Consolidated Statements of Operations (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Direct operating expenses	$ 24,876	$ 24,225
Non-cash stock-based compensation	708	872
Depreciation and amortization	3,515	3,955
Direct Operating Expenses
Non-cash stock-based compensation	90	184
Depreciation and amortization	2,471	3,032
Corporate Expenses
Non-cash stock-based compensation	618	688
Depreciation and amortization	182	210
Selling, General and Administrative Expenses
Depreciation and amortization	862	713
Related Parties
Direct operating expenses	2,292	2,293
Depreciation and amortization	$ 581	$ 581