Loans (Details) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
Loans (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Mar. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	$ 685,195,000		$ 685,195,000		$ 759,678,000
Allowance for loan losses	(18,110,000)	(22,854,000)	(18,110,000)	(22,854,000)	(21,917,000)
Net loans	667,085,000	765,696,000	667,085,000	765,696,000	737,761,000
Percent of total (in hundredths)	100.00%		100.00%		100.00%
Number of loan portfolio segments			4
Number of classes of commercial real estate			3
Allowance for loan losses [Abstract]
Beginning balance	22,776,000	23,523,000	21,917,000	20,350,000	20,350,000
Charge-offs	(8,619,000)	(3,825,000)	(15,513,000)	(11,447,000)
Recoveries	153,000	291,000	626,000	426,000
Provision	3,800,000	2,865,000	11,080,000	13,525,000
Ending balance	18,110,000	22,854,000	18,110,000	22,854,000	21,917,000
Ending balance: individually evaluated for impairment	3,864,000		3,864,000		7,066,000
Ending balance: collectively evaluated for impairment	14,246,000		14,246,000		14,851,000
Loans [Abstract]
Ending balance	685,195,000		685,195,000		759,678,000
Ending balance: individually evaluated for impairment	32,872,000		32,872,000		36,399,000
Ending balance: collectively evaluated for impairment	652,323,000		652,323,000		723,279,000
Recorded Investment [Abstract]
Impaired loans without a valuation allowance	20,494,000		20,494,000		19,492,000
Impaired loans with a valuation allowance	23,501,000		23,501,000		32,219,000
Total impaired loans	43,995,000		43,995,000		51,711,000
Unpaid Principal Balance [Abstract]
Impaired loans without a valuation allowance	38,361,000		38,361,000		27,172,000
Impaired loans with a valuation allowance	24,623,000		24,623,000		35,940,000
Total impaired loans	62,984,000		62,984,000		63,112,000
Related Allowance [Abstract]
Impaired loans without a valuation allowance	0		0		0
Impaired loans with a valuation allowance	4,851,000		4,851,000		8,661,000
Total impaired loans	4,851,000		4,851,000		8,661,000
Average investment in impaired loans for the quarter and year	43,246,000	60,717,000	45,041,000	58,123,000	55,324,000
Income recognized on impaired loans for the quarter and year	175,000	191,000	461,000	648,000	818,000
Summary of recorded investment in past due loans [Abstract]
30-59 days past due	7,069,000		7,069,000		11,659,000
60-89 days past due	4,991,000		4,991,000		3,473,000
Accruing greater than 90 days past due	368,000		368,000		213,000
Nonaccrual	27,982,000		27,982,000		34,668,000
Total past due and nonaccrual	40,410,000		40,410,000		50,013,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	685,195,000		685,195,000		759,678,000
Financing Receivable, Modifications [Line Items]
Specific reserve established	131,000
Summary of terms of certain loans were modified as TDRs [Abstract]
Number of Contracts	3		7
Pre-Modification Outstanding Recorded Investment	970,000		1,208,000
Post-Modification Outstanding Recorded Investment	739,000		989,000
Number of subsequent modification contracts	1		1			1
Number of loan restructured during the period			1
Period within which loan is restructured			12 months
Loan restructured					337,000
Proceed from TDR loans			250,000
TDR loans charged-off			87,000
Commercial real estate, Construction and development [Member]
Summary of terms of certain loans were modified as TDRs [Abstract]
Number of Contracts	0		0
Pre-Modification Outstanding Recorded Investment	0		0
Post-Modification Outstanding Recorded Investment	0		0
Residential real estate - mortgage [Member]
Summary of terms of certain loans were modified as TDRs [Abstract]
Number of Contracts	2		5
Pre-Modification Outstanding Recorded Investment	951,000		1,178,000
Post-Modification Outstanding Recorded Investment	720,000		959,000
Commercial [Member]
Summary of terms of certain loans were modified as TDRs [Abstract]
Number of Contracts	0		1
Pre-Modification Outstanding Recorded Investment	0		11,000
Post-Modification Outstanding Recorded Investment	0		11,000
Installment and other consumer [Member]
Summary of terms of certain loans were modified as TDRs [Abstract]
Number of Contracts	1		1
Pre-Modification Outstanding Recorded Investment	19,000		19,000
Post-Modification Outstanding Recorded Investment	19,000		19,000
Performing [Member]
Financing Receivable, Modifications [Line Items]
Outstanding TDR loans	9,600,000		9,600,000		16,100,000
Outstanding specific reserve for TDR loan	790,000		790,000		2,000,000
Defaulted [Member]
Financing Receivable, Modifications [Line Items]
Outstanding TDR loans	6,600,000		6,600,000		11,200,000
Outstanding specific reserve for TDR loan	662,000		662,000		4,200,000
Committed to Lend [Member]
Financing Receivable, Modifications [Line Items]
Outstanding TDR loans	79,000		79,000
Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	600,702,000		600,702,000		659,180,000
Loans [Abstract]
Ending balance	600,702,000		600,702,000		659,180,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	600,702,000		600,702,000		659,180,000
Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	31,485,000		31,485,000		28,303,000
Loans [Abstract]
Ending balance	31,485,000		31,485,000		28,303,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	31,485,000		31,485,000		28,303,000
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	53,008,000		53,008,000		72,195,000
Loans [Abstract]
Ending balance	53,008,000		53,008,000		72,195,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	53,008,000		53,008,000		72,195,000
Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Commercial real estate, Construction and development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	15,918,000		15,918,000		22,675,000
Loans [Abstract]
Ending balance	15,918,000		15,918,000		22,675,000
Recorded Investment [Abstract]
Impaired loans without a valuation allowance	458,000		458,000		0
Impaired loans with a valuation allowance	35,000		35,000		2,325,000
Unpaid Principal Balance [Abstract]
Impaired loans without a valuation allowance	2,929,000		2,929,000		0
Impaired loans with a valuation allowance	35,000		35,000		3,325,000
Related Allowance [Abstract]
Impaired loans without a valuation allowance	0		0		0
Impaired loans with a valuation allowance	35,000		35,000		751,000
Summary of recorded investment in past due loans [Abstract]
30-59 days past due	0		0		0
60-89 days past due	35,000		35,000		0
Accruing greater than 90 days past due	0		0		0
Nonaccrual	458,000		458,000		2,325,000
Total past due and nonaccrual	493,000		493,000		2,325,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	15,918,000		15,918,000		22,675,000
Commercial real estate, Construction and development [Member] \| Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	15,348,000		15,348,000		19,749,000
Loans [Abstract]
Ending balance	15,348,000		15,348,000		19,749,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	15,348,000		15,348,000		19,749,000
Commercial real estate, Construction and development [Member] \| Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		147,000
Loans [Abstract]
Ending balance	0		0		147,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		147,000
Commercial real estate, Construction and development [Member] \| Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	570,000		570,000		2,779,000
Loans [Abstract]
Ending balance	570,000		570,000		2,779,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	570,000		570,000		2,779,000
Commercial real estate, Construction and development [Member] \| Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Commercial real estate, Construction and development [Member] \| Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Commercial real estate, Owner-occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	105,103,000		105,103,000		110,900,000
Loans [Abstract]
Ending balance	105,103,000		105,103,000		110,900,000
Recorded Investment [Abstract]
Impaired loans without a valuation allowance	1,371,000		1,371,000		710,000
Impaired loans with a valuation allowance	1,269,000		1,269,000		2,946,000
Unpaid Principal Balance [Abstract]
Impaired loans without a valuation allowance	1,667,000		1,667,000		758,000
Impaired loans with a valuation allowance	1,300,000		1,300,000		3,034,000
Related Allowance [Abstract]
Impaired loans without a valuation allowance	0		0		0
Impaired loans with a valuation allowance	301,000		301,000		425,000
Summary of recorded investment in past due loans [Abstract]
30-59 days past due	238,000		238,000		77,000
60-89 days past due	0		0		931,000
Accruing greater than 90 days past due	0		0		0
Nonaccrual	1,988,000		1,988,000		1,232,000
Total past due and nonaccrual	2,226,000		2,226,000		2,240,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	105,103,000		105,103,000		110,900,000
Commercial real estate, Owner-occupied [Member] \| Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	97,038,000		97,038,000		101,004,000
Loans [Abstract]
Ending balance	97,038,000		97,038,000		101,004,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	97,038,000		97,038,000		101,004,000
Commercial real estate, Owner-occupied [Member] \| Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	4,063,000		4,063,000		3,444,000
Loans [Abstract]
Ending balance	4,063,000		4,063,000		3,444,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	4,063,000		4,063,000		3,444,000
Commercial real estate, Owner-occupied [Member] \| Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	4,002,000		4,002,000		6,452,000
Loans [Abstract]
Ending balance	4,002,000		4,002,000		6,452,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	4,002,000		4,002,000		6,452,000
Commercial real estate, Owner-occupied [Member] \| Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Commercial real estate, Owner-occupied [Member] \| Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Commercial real estate, Non owner-occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	212,853,000		212,853,000		221,128,000
Loans [Abstract]
Ending balance	212,853,000		212,853,000		221,128,000
Recorded Investment [Abstract]
Impaired loans without a valuation allowance	3,267,000		3,267,000		5,998,000
Impaired loans with a valuation allowance	8,738,000		8,738,000		3,239,000
Unpaid Principal Balance [Abstract]
Impaired loans without a valuation allowance	3,689,000		3,689,000		6,507,000
Impaired loans with a valuation allowance	8,823,000		8,823,000		3,742,000
Related Allowance [Abstract]
Impaired loans without a valuation allowance	0		0		0
Impaired loans with a valuation allowance	1,597,000		1,597,000		481,000
Summary of recorded investment in past due loans [Abstract]
30-59 days past due	1,366,000		1,366,000		1,217,000
60-89 days past due	2,707,000		2,707,000		260,000
Accruing greater than 90 days past due	145,000		145,000		0
Nonaccrual	7,649,000		7,649,000		7,054,000
Total past due and nonaccrual	11,867,000		11,867,000		8,531,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	212,853,000		212,853,000		221,128,000
Commercial real estate, Non owner-occupied [Member] \| Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	192,943,000		192,943,000		201,960,000
Loans [Abstract]
Ending balance	192,943,000		192,943,000		201,960,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	192,943,000		192,943,000		201,960,000
Commercial real estate, Non owner-occupied [Member] \| Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	7,358,000		7,358,000		4,833,000
Loans [Abstract]
Ending balance	7,358,000		7,358,000		4,833,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	7,358,000		7,358,000		4,833,000
Commercial real estate, Non owner-occupied [Member] \| Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	12,552,000		12,552,000		14,335,000
Loans [Abstract]
Ending balance	12,552,000		12,552,000		14,335,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	12,552,000		12,552,000		14,335,000
Commercial real estate, Non owner-occupied [Member] \| Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Commercial real estate, Non owner-occupied [Member] \| Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Residential real estate - mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	282,621,000		282,621,000		324,365,000
Loans [Abstract]
Ending balance	282,621,000		282,621,000		324,365,000
Recorded Investment [Abstract]
Impaired loans without a valuation allowance	15,398,000		15,398,000		12,940,000
Impaired loans with a valuation allowance	12,950,000		12,950,000		22,889,000
Unpaid Principal Balance [Abstract]
Impaired loans without a valuation allowance	30,076,000		30,076,000		19,556,000
Impaired loans with a valuation allowance	13,890,000		13,890,000		24,958,000
Related Allowance [Abstract]
Impaired loans without a valuation allowance	0		0		0
Impaired loans with a valuation allowance	2,602,000		2,602,000		6,776,000
Summary of recorded investment in past due loans [Abstract]
30-59 days past due	5,317,000		5,317,000		10,322,000
60-89 days past due	2,220,000		2,220,000		2,107,000
Accruing greater than 90 days past due	217,000		217,000		213,000
Nonaccrual	17,510,000		17,510,000		23,376,000
Total past due and nonaccrual	25,264,000		25,264,000		36,018,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	282,621,000		282,621,000		324,365,000
Residential real estate - mortgage [Member] \| Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	229,048,000		229,048,000		260,301,000
Loans [Abstract]
Ending balance	229,048,000		229,048,000		260,301,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	229,048,000		229,048,000		260,301,000
Residential real estate - mortgage [Member] \| Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	19,473,000		19,473,000		19,190,000
Loans [Abstract]
Ending balance	19,473,000		19,473,000		19,190,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	19,473,000		19,473,000		19,190,000
Residential real estate - mortgage [Member] \| Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	34,100,000		34,100,000		44,874,000
Loans [Abstract]
Ending balance	34,100,000		34,100,000		44,874,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	34,100,000		34,100,000		44,874,000
Residential real estate - mortgage [Member] \| Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Residential real estate - mortgage [Member] \| Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	58,834,000		58,834,000		68,304,000
Loans [Abstract]
Ending balance	58,834,000		58,834,000		68,304,000
Recorded Investment [Abstract]
Impaired loans without a valuation allowance	0		0		294,000
Impaired loans with a valuation allowance	389,000		389,000		721,000
Unpaid Principal Balance [Abstract]
Impaired loans without a valuation allowance	0		0		351,000
Impaired loans with a valuation allowance	452,000		452,000		778,000
Related Allowance [Abstract]
Impaired loans without a valuation allowance	0		0		0
Impaired loans with a valuation allowance	287,000		287,000		215,000
Summary of recorded investment in past due loans [Abstract]
30-59 days past due	67,000		67,000		23,000
60-89 days past due	0		0		162,000
Accruing greater than 90 days past due	6,000		6,000		0
Nonaccrual	356,000		356,000		652,000
Total past due and nonaccrual	429,000		429,000		837,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	58,834,000		58,834,000		68,304,000
Commercial [Member] \| Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	56,794,000		56,794,000		64,406,000
Loans [Abstract]
Ending balance	56,794,000		56,794,000		64,406,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	56,794,000		56,794,000		64,406,000
Commercial [Member] \| Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	538,000		538,000		622,000
Loans [Abstract]
Ending balance	538,000		538,000		622,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	538,000		538,000		622,000
Commercial [Member] \| Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	1,502,000		1,502,000		3,276,000
Loans [Abstract]
Ending balance	1,502,000		1,502,000		3,276,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	1,502,000		1,502,000		3,276,000
Commercial [Member] \| Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Commercial [Member] \| Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Installment and other consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	9,866,000		9,866,000		12,306,000
Loans [Abstract]
Ending balance	9,866,000		9,866,000		12,306,000
Recorded Investment [Abstract]
Impaired loans without a valuation allowance	0		0
Impaired loans with a valuation allowance	120,000		120,000		99,000
Unpaid Principal Balance [Abstract]
Impaired loans without a valuation allowance	0		0
Impaired loans with a valuation allowance	123,000		123,000		103,000
Related Allowance [Abstract]
Impaired loans with a valuation allowance	29,000		29,000		13,000
Summary of recorded investment in past due loans [Abstract]
30-59 days past due	81,000		81,000		20,000
60-89 days past due	29,000		29,000		13,000
Accruing greater than 90 days past due	0		0		0
Nonaccrual	21,000		21,000		29,000
Total past due and nonaccrual	131,000		131,000		62,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	9,866,000		9,866,000		12,306,000
Installment and other consumer [Member] \| Pass [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	9,531,000		9,531,000		11,760,000
Loans [Abstract]
Ending balance	9,531,000		9,531,000		11,760,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	9,531,000		9,531,000		11,760,000
Installment and other consumer [Member] \| Special Mention [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	53,000		53,000		67,000
Loans [Abstract]
Ending balance	53,000		53,000		67,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	53,000		53,000		67,000
Installment and other consumer [Member] \| Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	282,000		282,000		479,000
Loans [Abstract]
Ending balance	282,000		282,000		479,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	282,000		282,000		479,000
Installment and other consumer [Member] \| Doubtful [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Installment and other consumer [Member] \| Loss [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Loans [Abstract]
Ending balance	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	0		0		0
Commercial real estate, Construction and development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	15,918,000		15,918,000		22,675,000
Percent of total (in hundredths)	2.30%		2.30%		3.00%
Loans [Abstract]
Ending balance	15,918,000		15,918,000		22,675,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	15,918,000		15,918,000		22,675,000
Commercial real estate, Owner-occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	105,103,000		105,103,000		110,900,000
Percent of total (in hundredths)	15.30%		15.30%		14.60%
Loans [Abstract]
Ending balance	105,103,000		105,103,000		110,900,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	105,103,000		105,103,000		110,900,000
Commercial real estate, Non owner-occupied [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	212,853,000		212,853,000		221,128,000
Percent of total (in hundredths)	31.10%		31.10%		29.10%
Loans [Abstract]
Ending balance	212,853,000		212,853,000		221,128,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	212,853,000		212,853,000		221,128,000
Residential real estate - mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	282,621,000		282,621,000		324,365,000
Percent of total (in hundredths)	41.30%		41.30%		42.70%
Loans [Abstract]
Ending balance	282,621,000		282,621,000		324,365,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	282,621,000		282,621,000		324,365,000
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	333,874,000		333,874,000		354,703,000
Allowance for loan losses [Abstract]
Beginning balance	7,599,000	7,053,000	6,162,000	4,722,000	4,722,000
Charge-offs	(1,646,000)	(1,038,000)	(2,298,000)	(2,127,000)
Recoveries	17,000	0	53,000	20,000
Provision	590,000	560,000	2,643,000	3,960,000
Ending balance	6,560,000	6,575,000	6,560,000	6,575,000
Ending balance: individually evaluated for impairment	1,597,000		1,597,000		1,108,000
Ending balance: collectively evaluated for impairment	4,963,000		4,963,000		5,054,000
Loans [Abstract]
Ending balance	333,874,000		333,874,000		354,703,000
Ending balance: individually evaluated for impairment	11,204,000		11,204,000		10,936,000
Ending balance: collectively evaluated for impairment	322,670,000		322,670,000		343,767,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	333,874,000		333,874,000		354,703,000
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	282,621,000		282,621,000		324,365,000
Allowance for loan losses [Abstract]
Beginning balance	13,872,000	14,592,000	14,195,000	13,582,000	13,582,000
Charge-offs	(6,539,000)	(2,752,000)	(11,977,000)	(8,579,000)
Recoveries	81,000	276,000	371,000	363,000
Provision	2,752,000	2,377,000	7,577,000	9,127,000
Ending balance	10,166,000	14,493,000	10,166,000	14,493,000
Ending balance: individually evaluated for impairment	1,975,000		1,975,000		5,813,000
Ending balance: collectively evaluated for impairment	8,191,000		8,191,000		8,382,000
Loans [Abstract]
Ending balance	282,621,000		282,621,000		324,365,000
Ending balance: individually evaluated for impairment	21,376,000		21,376,000		24,941,000
Ending balance: collectively evaluated for impairment	261,245,000		261,245,000		299,424,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	282,621,000		282,621,000		324,365,000
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	58,834,000		58,834,000		68,304,000
Percent of total (in hundredths)	8.60%		8.60%		9.00%
Allowance for loan losses [Abstract]
Beginning balance	1,045,000	1,382,000	1,271,000	1,528,000	1,528,000
Charge-offs	(416,000)	(24,000)	(1,017,000)	(670,000)
Recoveries	38,000	5,000	157,000	22,000
Provision	470,000	(51,000)	726,000	432,000
Ending balance	1,137,000	1,312,000	1,137,000	1,312,000
Ending balance: individually evaluated for impairment	276,000		276,000		145,000
Ending balance: collectively evaluated for impairment	861,000		861,000		1,126,000
Loans [Abstract]
Ending balance	58,834,000		58,834,000		68,304,000
Ending balance: individually evaluated for impairment	276,000		276,000		522,000
Ending balance: collectively evaluated for impairment	58,558,000		58,558,000		67,782,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	58,834,000		58,834,000		68,304,000
Installment and other consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	9,866,000		9,866,000		12,306,000
Percent of total (in hundredths)	1.40%		1.40%		1.60%
Loans [Abstract]
Ending balance	9,866,000		9,866,000		12,306,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	9,866,000		9,866,000		12,306,000
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	9,866,000		9,866,000		12,306,000
Allowance for loan losses [Abstract]
Beginning balance	214,000	209,000	193,000	518,000	518,000
Charge-offs	(18,000)	(11,000)	(221,000)	(71,000)
Recoveries	17,000	10,000	45,000	21,000
Provision	11,000	184,000	207,000	(76,000)
Ending balance	224,000	392,000	224,000	392,000
Ending balance: individually evaluated for impairment	16,000		16,000		0
Ending balance: collectively evaluated for impairment	208,000		208,000		193,000
Loans [Abstract]
Ending balance	9,866,000		9,866,000		12,306,000
Ending balance: individually evaluated for impairment	16,000		16,000		0
Ending balance: collectively evaluated for impairment	9,850,000		9,850,000		12,306,000
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	9,866,000		9,866,000		12,306,000
Unallocated [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Gross loans	0		0		0
Allowance for loan losses [Abstract]
Beginning balance	46,000	287,000	96,000	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision	(23,000)	(205,000)	(73,000)	82,000
Ending balance	23,000	82,000	23,000	82,000
Ending balance: individually evaluated for impairment	0		0		0
Ending balance: collectively evaluated for impairment	23,000		23,000		96,000
Loans [Abstract]
Ending balance	0		0		0
Ending balance: individually evaluated for impairment	0		0		0
Ending balance: collectively evaluated for impairment	0		0		0
Financing Receivable, Recorded Investment [Line Items]
Loan portfolio by risk-rating grades	$ 0		$ 0		$ 0

SAVANNAH BANCORP INC 10-Q