Parent Company Only Financial Information (Condensed Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
ASSETS
Prepaid expenses and other assets	$ 18,070	$ 21,292
Total assets	972,139	934,218
Liabilities and Equity [Abstract]
Other borrowings	16,527	16,527
Other liabilities	7,469	10,441
Total liabilities	857,705	872,602
Stockholders’ Equity	114,434	61,616	59,353	88,627
Total liabilities and stockholders’ equity	972,139	934,218
Parent Company
ASSETS
Restricted and unrestricted cash	15,480	1,515
Investment in subsidiaries	121,786	85,280
Prepaid expenses and other assets	230	303
Total assets	137,496	87,098
Liabilities and Equity [Abstract]
Other borrowings	16,527	16,527
Other liabilities	6,535	8,955
Total liabilities	23,062	25,482
Stockholders’ Equity	114,434	61,616
Total liabilities and stockholders’ equity	$ 137,496	$ 87,098