CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Total	Preferred stock	Common stock	Additional paid-in capital	Accumulated deficit	Accumulated other comprehensive income	Treasury stock	Comprehensive income (loss)
Balance at Dec. 31, 2009	$ 128,758	$ 1,179	$ 7	$ 460,787	$ (332,600)	$ 113	$ (728)
Balance (in shares) at Dec. 31, 2009		98,000	70,651,000
Increase (Decrease) in Stockholders' Equity
Shares issued from exercise of options	128			128
Shares issued from exercise of options (in shares)			250,000
Shares issued from vesting of restricted stock (in shares)			437,000
Repurchase of preferred stock	(1,051)	(1,051)
Repurchase of preferred stock (in shares)		(87,000)
Dividends declared on preferred stock	(18)			(18)
Stock based compensation	2,429			2,429
Net income	20,383				20,383			20,383
Net change in unrealized gain on investment securities available for sale, net of applicable income taxes	45					45		45
Comprehensive income	20,428							20,428
Balance at Dec. 31, 2010	150,674	128	7	463,326	(312,217)	158	(728)
Balance (in shares) at Dec. 31, 2010		11,000	71,338,000
Increase (Decrease) in Stockholders' Equity
Shares issued from exercise of options	123			123
Shares issued from exercise of options (in shares)			156,000
Shares issued from vesting of restricted stock (in shares)			25,000
Dividends declared on preferred stock	(10)			(10)
Stock based compensation	1,546			1,546
Net income	21,639				21,639			21,639
Net change in unrealized gain on investment securities available for sale, net of applicable income taxes	119					119		119
Comprehensive income	21,758							21,758
Balance at Dec. 31, 2011	174,091	128	7	464,985	(290,578)	277	(728)
Balance (in shares) at Dec. 31, 2011		11,000	71,519,000
Increase (Decrease) in Stockholders' Equity
Shares issued from exercise of options	839			839
Shares issued from exercise of options (in shares)			658,000
Shares issued from vesting of restricted stock (in shares)			264,000
Dividends declared on preferred stock	(10)			(10)
Stock based compensation	2,592			2,592
Net income	15,520				15,520			15,520
Net change in unrealized gain on investment securities available for sale, net of applicable income taxes	10					10		10
Comprehensive income	15,530							15,530
Balance at Dec. 31, 2012	$ 193,042	$ 128	$ 7	$ 468,406	$ (275,058)	$ 287	$ (728)
Balance (in shares) at Dec. 31, 2012		11,000	72,441,000