Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Consolidated Statements of Operations [Abstract]
Net revenue	$ 58,486	$ 50,115	$ 159,501	$ 144,424
Expenses:
Direct operating expenses (including related parties of $2,788, $2,366, $7493, and $5,885) (including non-cash stock-based compensation of $45, $51, $101 and $155)	23,293	22,582	67,803	65,890
Selling, general and administrative expenses (including non-cash stock-based compensation of $222, $157, $546, and $472)	9,593	8,621	28,600	27,150
Corporate expenses (including non-cash stock-based compensation of $498, $287, $1116, and $732)	4,465	3,885	12,527	11,402
Depreciation and amortization (includes direct operating of $3,061, $3,333, $9,278, and $10,011; selling, general and administrative of $718, $797, $155, and $2,416 ;and corporate of $234, $885, $1,003, and $1,745) (including related parties of $580, $1,205, $2053, and $2,725)	4,013	5,015	12,436	14,172
Total expenses	41,364	40,103	121,366	118,614
Operating income (loss)	17,122	10,012	38,135	25,810
Interest expense (including related parties of $0, $0, $0, and $30) (note 2)	(8,671)	(9,444)	(26,730)	(28,346)
Interest income	10		23	2
Other income (loss)				687
Gain (loss) on debt extinguishment			(1,230)
Income (loss) before income taxes	8,461	568	10,198	(1,847)
Income tax (expense) benefit	(1,228)	(1,952)	(4,294)	(4,321)
Net income (loss) applicable to common stockholders	$ 7,233	$ (1,384)	$ 5,904	$ (6,168)
Basic and diluted earnings per share:
Net income (loss) per share applicable to common stockholders, basic and diluted	$ 0.08	$ (0.02)	$ 0.07	$ (0.07)
Weighted average common shares outstanding, basic	85,940,225	85,055,659	85,861,671	85,049,518
Weighted average common shares outstanding, diluted	86,386,655	85,055,659	86,220,868	85,049,518