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Fair Value (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended			6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Jun. 30, 2011 Pooled SBA [Member] Securities	Dec. 31, 2010 Pooled SBA [Member]	Jun. 30, 2012 Collateral Dependent Loans [Member]	Jun. 30, 2011 Collateral Dependent Loans [Member]	Jun. 30, 2012 Collateral Dependent Loans [Member]	Dec. 31, 2011 Collateral Dependent Loans [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Securities transferred to the Level 1 Fair value							$ 3,437
Impaired loans, principal balance	32,744		32,744					14,476	22,384	14,476
Impaired loans allowance	2,456		2,456		1,493			2,146		2,146	1,493
Impaired loans, additional provisions				263				1,196	345	1,597
Number of Pooled SBA securities, transferred from level 2 to level 1						2
Fair Value Measurement (Textual) [Abstract]
Fair value changes attributed to unrealized gains (losses)	(164)	(16)	24	87
Realized gains (losses) on sale of securities	24	0	156	10
Dividend Income, Operating	$ 18	$ 8	$ 31	$ 15

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Earned dividend income on equity securities that are part of the trading and investment portfolios owned by the entity.

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Amount of allowance for credit losses related to recorded investment.

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