Consolidated Statements of Stockholders' Equity (USD $) In Thousands, unless otherwise specified	Total		Common Stock [Member]	Preferred Stock Including Additional Paid in Capital [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Dec. 31, 2010	$ 518,878		$ 76,307	$ 58,089	$ 652,288	$ (269,154)	$ 1,348
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income/ (loss) attributable to the Company	14,396	[1]	0	0	0	14,396	0
Other comprehensive income/ (loss), net of tax	2,052		0	0	0	0	2,052
Dividends paid to common shareholders	(1,540)		0	0	(1,540)	0	0
Dividends paid to preferred shareholders	(145)		0	0	(145)	0	0
Net proceeds from issuance of:
Shares of common stock	4,881		711	0	4,170	0	0
Shares through incentive stock grants, net of cancellations and forfeitures	0		893	0	(893)	0	0
Amortization of stock compensation and employee stock purchase plan	3,249		0	0	3,249	0	0
Stock options exercised	161		31	0	130	0	0
Tax deficiency from certain stock compensation awards	(1,484)		0	0	(1,484)	0	0
Other equity adjustments	(1,478)		0	0	(1,478)	0	0
Ending Balance at Jun. 30, 2011	538,970		77,942	58,089	654,297	(254,758)	3,400
Beginning Balance at Dec. 31, 2011	566,125		78,023	58,089	656,436	(230,017)	3,594
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income/ (loss) attributable to the Company	23,666	[1]	0	0	0	23,666	0
Other comprehensive income/ (loss), net of tax	(524)		0	0	0	0	(524)
Dividends paid to common shareholders	(1,562)		0	0	(1,562)	0	0
Dividends paid to preferred shareholders	(145)		0	0	(145)	0	0
Repurchase of Carlyle warrants and Director's warrants	(15,000)		0	0	(15,000)	0	0
Net proceeds from issuance of:
Shares of common stock	557		99	0	458	0	0
Shares through incentive stock grants, net of cancellations and forfeitures	0		638	0	(638)	0	0
Amortization of stock compensation and employee stock purchase plan	3,950		0	0	3,950	0	0
Stock options exercised	452		62	0	390	0	0
Tax deficiency from certain stock compensation awards	(948)		0	0	(948)	0	0
Other equity adjustments	(949)		0	0	(949)	0	0
Ending Balance at Jun. 30, 2012	$ 575,622		$ 78,822	$ 58,089	$ 641,992	$ (206,351)	$ 3,070

[1] Net income/ (loss) from discontinued operations for the three months ended June 30, 2012, and 2011 of $2.6 million, and $1.6 million, respectively, and for the six months ended June 30, 2012, and 2011, of $4.1 million and $3.2 million, respectively, are included in Holding Company and Eliminations in the calculation of net loss attributable to the Company.