CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Preferred Stock	Common Stock	Surplus	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income	Treasury Stock	Unearned ESOP Shares
Balance at Dec. 31, 2011	$ 409,267	$ 72,664	$ 88	$ 594,009	$ (238,085)	$ 13,124	$ (32,116)	$ (417)
Increase (decrease) in shareholders' equity
Net income	17,440				17,440
Other comprehensive income (loss)	2,929					2,929
Issuance of treasury stock for employee stock purchase plan	80			(219)			299
Net Issuance of treasury stock for restricted stock unit vesting and related tax benefit	3			(115)			118
Cash dividends common stock at $0.08 and $0.12 per share for the nine months ended September 30, 2013 and 2012, respectively	(10,395)				(10,395)
Stock dividend equivalents restricted stock units at $0.08 and $0.12 per share for the nine months ended September 30, 2013 and 2012, respectively				73	(73)
Stock based employee compensation	722			722
Preferred stock dividends	(2,725)				(2,725)
Balance at Sep. 30, 2012	417,321	72,664	88	594,470	(233,838)	16,053	(31,699)	(417)
Balance at Dec. 31, 2012	408,797	72,664	88	594,411	(240,321)	13,542	(31,587)
Increase (decrease) in shareholders' equity
Net income	21,806				21,806
Other comprehensive income (loss)	(7,181)					(7,181)
Issuance of treasury stock for employee stock purchase plan	82			(234)			316
Net Issuance of treasury stock for restricted stock unit vesting and related tax benefit	(113)			(1,414)			1,301
Cash dividends common stock at $0.08 and $0.12 per share for the nine months ended September 30, 2013 and 2012, respectively	(6,937)				(6,937)
Stock dividend equivalents restricted stock units at $0.08 and $0.12 per share for the nine months ended September 30, 2013 and 2012, respectively				45	(45)
Stock based employee compensation	650			650
Preferred stock dividends	(2,725)				(2,725)
Balance at Sep. 30, 2013	$ 414,379	$ 72,664	$ 88	$ 593,458	$ (228,222)	$ 6,361	$ (29,970)