Loan Portfolio Segmented by Risk Factors (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Financing Receivable, Recorded Investment [Line Items]
Commercial Real Estate	$ 165,000
Total loans	349,920	183,375
Originated Loan
Financing Receivable, Recorded Investment [Line Items]
Residential Single & Multifamily	105,009	45,743
Commercial Real Estate	120,489	65,751
Construction Loans	25,870	16,333
Commercial and Industrial	16,934	16,391
Consumer and Other	11,845	15,624
Total loans	280,147	159,842
Originated Loan \| 1- Risk Free
Financing Receivable, Recorded Investment [Line Items]
Commercial and Industrial	319	359
Consumer and Other	202	621
Total loans	521	980
Originated Loan \| 2- Excellent
Financing Receivable, Recorded Investment [Line Items]
Commercial Real Estate	726	764
Commercial and Industrial	675	675
Consumer and Other	1,404	400
Total loans	2,805	1,839
Originated Loan \| 3- Good
Financing Receivable, Recorded Investment [Line Items]
Residential Single & Multifamily	4,920	974
Commercial Real Estate	23,097	15,539
Construction Loans	3,536	4,047
Commercial and Industrial	2,906	2,726
Consumer and Other	118	579
Total loans	34,577	23,865
Originated Loan \| 4- Satisfactory
Financing Receivable, Recorded Investment [Line Items]
Residential Single & Multifamily	100,089	44,769
Commercial Real Estate	91,701	49,448
Construction Loans	22,334	12,286
Commercial and Industrial	11,771	12,631
Consumer and Other	10,092	13,956
Total loans	235,987	133,090
Originated Loan \| 5- Watch
Financing Receivable, Recorded Investment [Line Items]
Consumer and Other		53
Total loans		53
Originated Loan \| 6- OLEM
Financing Receivable, Recorded Investment [Line Items]
Commercial Real Estate	4,965
Commercial and Industrial	1,263
Consumer and Other	11
Total loans	6,239
Originated Loan \| 7- Substandard
Financing Receivable, Recorded Investment [Line Items]
Consumer and Other	18	15
Total loans	18	15
Acquired Loans
Financing Receivable, Recorded Investment [Line Items]
Residential Single & Multifamily	28,891	5,449
Commercial Real Estate	37,885	16,621
Construction Loans	1,616	750
Commercial and Industrial	1,111	396
Consumer and Other	270	317
Total loans	69,773	23,533
Acquired Loans \| 2- Excellent
Financing Receivable, Recorded Investment [Line Items]
Commercial and Industrial	319
Consumer and Other		62
Total loans	319	62
Acquired Loans \| 3- Good
Financing Receivable, Recorded Investment [Line Items]
Residential Single & Multifamily	14,293
Commercial Real Estate	23,962
Construction Loans	1,175
Commercial and Industrial	619
Consumer and Other	114
Total loans	40,163
Acquired Loans \| 4- Satisfactory
Financing Receivable, Recorded Investment [Line Items]
Residential Single & Multifamily	14,292	5,392
Commercial Real Estate	9,130	13,039
Construction Loans		750
Commercial and Industrial	83	396
Consumer and Other	122	255
Total loans	23,627	19,832
Acquired Loans \| 5- Watch
Financing Receivable, Recorded Investment [Line Items]
Commercial Real Estate		2,743
Total loans		2,743
Acquired Loans \| 6- OLEM
Financing Receivable, Recorded Investment [Line Items]
Residential Single & Multifamily	306
Commercial Real Estate	3,241
Construction Loans	441
Commercial and Industrial	39
Consumer and Other	34
Total loans	4,061
Acquired Loans \| 7- Substandard
Financing Receivable, Recorded Investment [Line Items]
Commercial Real Estate	1,552	364
Commercial and Industrial	51
Total loans	1,603	364
Acquired Loans \| 8- Doubtful
Financing Receivable, Recorded Investment [Line Items]
Residential Single & Multifamily		57
Commercial Real Estate		475
Total loans		532
Total Financing Receivables
Financing Receivable, Recorded Investment [Line Items]
Residential Single & Multifamily	133,900	51,192
Commercial Real Estate	158,374	82,372
Construction Loans	27,486	17,083
Commercial and Industrial	18,045	16,787
Consumer and Other	12,115	15,941
Total loans	$ 349,920	$ 183,375

Amount before allowance of consumer real estate loans. Includes, but not limited to, construction financing, residential mortgage loans, and home equity lines of credit. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References+ Details

- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements.

+ References+ Details

- Definition

Amount before allowance of loans issued to commercial and industrial institutions. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes real estate loans and loans covered under loss sharing agreements.

+ References+ Details

- Definition

Amount before allowance of commercial construction loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements.

+ References+ Details

- Definition

Amount before allowance of commercial loans issued to businesses to acquire, develop, construct, improve, or refinance land or building. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph a

-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(a))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5066-111524

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(c))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 01-6

-Paragraph 13

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 60

-Paragraph 47

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Audit and Accounting Guide (AAG)

-Number AAG-DEP

-Paragraph 51, 52, 53

-IssueDate 2006-05-01

-Chapter 8

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

TGR Financial, Inc. 10-K