Loans (Details 6) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Breakdown of impaired loans
Unpaid Principal Balance	$ 24,344	$ 24,927
Recorded Investment	18,386	19,369
Average Recorded Investment	18,878	20,668
Interest Income Recognized	153	137
Commercial
Breakdown of impaired loans
Unpaid Principal Balance	1,805	2,007
Recorded Investment	449	676
Average Recorded Investment	563	816
Interest Income Recognized	37	6
Real estate construction
Breakdown of impaired loans
Average Recorded Investment		1,935
Interest Income Recognized		30
Land loans
Breakdown of impaired loans
Unpaid Principal Balance	36	37
Recorded Investment	9	11
Average Recorded Investment	10	620
Interest Income Recognized	1
Real estate other
Breakdown of impaired loans
Unpaid Principal Balance	15,891	16,491
Recorded Investment	13,990	14,685
Average Recorded Investment	14,338	13,550
Interest Income Recognized	62	93
Factoring and asset based
Breakdown of impaired loans
Unpaid Principal Balance	3,281	2,965
Recorded Investment	1,518	1,450
Average Recorded Investment	1,484	1,633
Interest Income Recognized	31
SBA
Breakdown of impaired loans
Unpaid Principal Balance	3,331	3,427
Recorded Investment	2,420	2,547
Average Recorded Investment	2,484	2,114
Interest Income Recognized	$ 22	$ 8