CONSOLIDATED STATEMENT OF EQUITY (DEFICIT) (USD $) In Thousands, except Share data, unless otherwise specified	Class A Common Stock Common Stock USD ($)	Class A Common Stock	Class B Common Stock Common Stock USD ($)	Class B Common Stock	Additional Paid-In Capital USD ($)	Accumulated Deficit USD ($)	Accumulated Other Comprehensive Income USD ($)	Noncontrolling Interest USD ($)	Total USD ($)
BALANCE at Dec. 31, 2013	$ 741		$ 260		$ 1,094,918	$ (696,996)	$ (2,553)	$ 9,334	$ 405,704
BALANCE (in shares) at Dec. 31, 2013	74,145,569		26,028,357
Increase (Decrease) in Stockholders' Equity
Dividends declared and paid on Class A and Class B Common Stock						(14,696)			(14,696)
Repurchases of Class A Common Stock	(29)				(82,342)				(82,371)
Repurchases of Class A Common Stock (in shares)	(2,910,106)
Class A Common Stock issued pursuant to employee benefit plans	1				4,951				4,952
Class A Common Stock issued pursuant to employee benefit plans (in shares)	106,453
Tax benefit on share based awards					1,342				1,342
Distributions to noncontrolling interests								(260)	(260)
Other Comprehensive Income							39		39
Net income						27,158		499	27,657
BALANCE at Mar. 31, 2014	713		260		1,018,869	(684,534)	(2,514)	9,573	342,367
BALANCE (in shares) at Mar. 31, 2014	71,341,916		26,028,357
BALANCE at Dec. 31, 2014	696		259		979,202	(545,820)	(6,455)	(22,539)	405,343
BALANCE (in shares) at Dec. 31, 2014	69,578,899	69,578,899	25,928,357	25,928,357
Increase (Decrease) in Stockholders' Equity
Dividends declared and paid on Class A and Class B Common Stock						(15,715)			(15,715)
Repurchases of Class A Common Stock	(3)				(7,800)				(7,803)
Repurchases of Class A Common Stock (in shares)	(304,787)								300,000
Class A Common Stock issued pursuant to employee benefit plans	2				7,824				7,826
Class A Common Stock issued pursuant to employee benefit plans (in shares)	217,803
Tax benefit on share based awards					688				688
Distributions to noncontrolling interests								(2,819)	(2,819)
Other Comprehensive Income							84		84
Net income						24,282		554	24,836
BALANCE at Mar. 31, 2015	$ 695		$ 259		$ 979,914	$ (537,253)	$ (6,371)	$ (24,804)	$ 412,440
BALANCE (in shares) at Mar. 31, 2015	69,491,915	69,491,915	25,928,357	25,928,357