Fair Value, by Balance Sheet Grouping (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Investment securities:
Available for sale	$ 15,154	$ 15,686
Loans secured by real estate:
Less allowance for loan losses	37,204	56,616
Carrying Value [Member]
Financial assets:
Cash	27,034	48,280
Cash equivalents	232,316	241,454
Loans held for sale
Investment securities:
Available for sale	15,154	15,686
Federal Home Loan Bank and Federal Reserve Bank stock	8,369	9,847
Loans secured by real estate:
Commercial	589,873	704,129
Residential (including multi-family)	182,626	229,855
Construction, land development and other land	38,297	47,133
Total loans secured by real estate	810,796	981,117
Commercial and other business-purpose loans	84,900	118,574
Consumer	6,104	7,936
Other	3,928	2,041
Total portfolio loans	905,728	1,109,668
Less allowance for loan losses	(37,204)	(56,616)
Net portfolio loans	868,524	1,053,052
Deposits:
Noninterest-bearing	242,193	302,528
Interest-bearing:
Demand accounts	372,124	438,797
Time certificates of less than $100,000	227,308	280,549
Time Deposits 100000 Or More Fair Value Disclosure	319,386	381,978
Total interest-bearing	918,818	1,101,324
Total deposits	1,161,011	1,403,852
Notes payable and other borrowings	4,926	5,426
Estimate Fair Value [Member]
Loans secured by real estate:
Total loans secured by real estate	806,092	978,224
Total portfolio loans	900,661	1,106,617
Net portfolio loans	863,457	1,050,001
Interest-bearing:
Total interest-bearing	921,665	1,106,502
Total deposits	1,163,858	1,409,030
Estimate Fair Value [Member] \| Fair Value, Level 1 [Member]
Financial assets:
Cash	27,034	48,280
Deposits:
Noninterest-bearing	242,193	302,528
Estimate Fair Value [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Financial assets:
Cash equivalents	232,316	241,454
Loans held for sale
Investment securities:
Available for sale	15,154	15,686
Federal Home Loan Bank and Federal Reserve Bank stock	8,369	9,847
Interest-bearing:
Demand accounts	372,124	438,797
Estimate Fair Value [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Loans secured by real estate:
Commercial	585,264	700,865
Residential (including multi-family)	182,493	230,105
Construction, land development and other land	38,335	47,254
Commercial and other business-purpose loans	84,511	118,347
Consumer	6,279	8,134
Other	3,779	1,912
Less allowance for loan losses	(37,204)	(56,616)
Interest-bearing:
Time certificates of less than $100,000	228,603	283,101
Time Deposits 100000 Or More Fair Value Disclosure	320,938	384,604
Notes payable and other borrowings	$ 6,182	$ 6,667

CAPITOL BANCORP LTD 10-Q