Consolidated Statement of Stockholders' Equity (Deficit) (Unaudited) (USD $) In Thousands, except Share data	Total	Common Class A	Common Class B	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Beginning balance at Dec. 31, 2010	$ (83,171)	$ 733	$ 601	$ 822,140	$ (886,671)	$ (20,076)	$ 102
Beginning balance, shares at Dec. 31, 2010		73,300,000	60,116,713
Issuance of Class A common stock for cash, net of fees and expenses of issuance, shares		6,050,000
Issuance of Class A common stock for cash, net of fees and expenses of issuance	62,994	61		62,933
Grant of restricted Class A common stock, shares		9,334
Grant of restricted Class A common stock	140			140
Exercise of stock options and tax deficiency, shares		22,519
Exercise of stock options and tax deficiency	138			138
Other comprehensive income	6,666					6,666
Non-cash equity compensation	5,384			5,384
Sale of interest in captive insurance subsidiary	100						100
Net income	53,738				53,738
Ending balance at Sep. 30, 2011	$ 45,989	$ 794	$ 601	$ 890,735	$ (832,933)	$ (13,410)	$ 202
Ending balance, shares at Sep. 30, 2011		79,381,853	60,116,713