Servicing Assets - SBA Loans (Details) (USD $) In Thousands, unless otherwise specified				3 Months Ended		6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Jun. 30, 2012 Servicing Assets - SBA Loans	Jun. 30, 2011 Servicing Assets - SBA Loans	Jun. 30, 2012 Servicing Assets - SBA Loans	Jun. 30, 2011 Servicing Assets - SBA Loans	Jun. 30, 2012 Servicing Assets - SBA Loans Minimum	Jun. 30, 2012 Servicing Assets - SBA Loans Maximum
Changes in amortized servicing assets
Beginning Balance				$ 1,268	$ 1,082	$ 1,193	$ 954
Servicing Assets capitalized				65	124	201	301
Servicing Assets amortized				(62)	(54)	(123)	(103)
Ending Balance				1,271	1,152	1,271	1,152
Reserve for impairment of servicing assets
Beginning Balance				(115)	(143)	(103)	(118)
Impairments				(12)	(44)	(26)	(75)
Recoveries				1	2	3	8
Ending Balance				(126)	(185)	(126)	(185)
Amortized servicing assets
Ending Balance (net of reserve)	1,145	1,090	967	1,145	967	1,145	967
Fair value of amortized servicing assets
Beginning Balance				1,376	1,019	1,326	921
Ending Balance				$ 1,389	$ 1,019	$ 1,389	$ 1,019
Significant assumptions for estimated fair value of servicing assets
Discount rate (as a percent)						13.70%
Prepayment speed (as a percent)								14.00%	15.00%