CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income	Treasury Stock
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	6,433				6,433
Other comprehensive income (loss)	(871)					(871)
Issuance of treasury stock for employee stock purchase plan	33			(96)			129
Net issuance of treasury stock for restricted stock unit vesting and related tax benefit	(30)			(253)			223
Stock based employee compensation	251			251
Preferred stock dividends	(908)				(908)
Balance at Mar. 31, 2013	413,705	72,664	88	594,313	(234,796)	12,671	(31,235)
Balance at Dec. 31, 2013	415,364	72,664	88	593,144	(225,722)	4,456	(29,266)
Increase (decrease) in shareholders' equity
Net income	7,887				7,887
Other comprehensive income (loss)	479					479
Issuance of treasury stock for employee stock purchase plan	44			(104)			148
Net issuance of treasury stock for restricted stock unit vesting and related tax benefit	(10)			(135)			125
Cash dividends common stock at $0.04 per share	(3,472)				(3,472)
Stock dividend equivalents restricted stock units at $0.04 per share				35	(35)
Stock based employee compensation	224			224
Preferred stock dividends	(182)				(182)
Balance at Mar. 31, 2014	$ 420,334	$ 72,664	$ 88	$ 593,164	$ (221,524)	$ 4,935	$ (28,993)