Consolidated Statements of Operations (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Direct operating expenses	$ 103,686	$ 92,256	$ 88,590
Non-cash stock-based compensation	4,771	2,651	2,343
Depreciation and amortization	14,953	16,426	18,653
Interest expense	24,631	35,407	37,650
Direct Operating Expenses [Member]
Non-cash stock-based compensation	1,070	146	229
Depreciation and amortization	11,176	12,332	13,258
Selling, General and Administrative Expenses [Member]
Non-cash stock-based compensation	0	767	812
Depreciation and amortization	2,923	2,858	3,141
Corporate Expenses [Member]
Non-cash stock-based compensation	3,701	1,738	1,302
Depreciation and amortization	854	1,236	2,254
Related Parties [Member]
Direct operating expenses	10,322	10,599	8,373
Depreciation and amortization	2,320	2,633	3,617
Interest expense	$ 0	$ 0	$ 30