Selected Quarterly Financial Data (Unaudited) (Details) - USD ($)		1 Months Ended	3 Months Ended								12 Months Ended
	May. 31, 2015	Dec. 31, 2015	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]
Net revenue			$ 100,839,000	$ 103,764,000	$ 108,296,000	$ 111,424,000	$ 109,721,000	$ 112,521,000	$ 115,697,000	$ 115,903,000	$ 424,323,000	$ 453,842,000	$ 470,225,000
Operating (loss) income			76,217,000	(19,711,000)	(41,451,000)	(7,941,000)	(1,624,000)	2,412,000	2,068,000	(2,104,000)	7,114,000	752,000	40,598,000
Net income (loss)			$ 86,996,000	$ (22,006,000)	$ (31,068,000)	$ (12,764,000)	$ (63,688,000)	$ (867,000)	$ (919,000)	$ (3,515,000)	$ 21,158,000	$ (68,989,000)	$ 12,324,000
Earnings (loss) per share:
Basic (in dollars per share)			$ 3.50	$ (0.89)	$ (1.26)	$ (0.52)	$ (2.62)	$ (0.04)	$ (0.04)	$ (0.15)	$ 0.86	$ (2.84)	$ 0.51
Diluted (in dollars per share)			$ 3.47	$ (0.89)	$ (1.26)	$ (0.52)	$ (2.62)	$ (0.04)	$ (0.04)	$ (0.15)	$ 0.84	$ (2.84)	$ 0.50
Change to net income, total			$ 90,024,000	$ 12,420,000	$ 32,572,000		$ 60,368,000	$ 833,000
Earnings per share, basic, change (in dollars per share)			$ 2.24	$ 0.50	$ 0.84		$ 2.48	$ 0.03
Impairment of goodwill	$ 31,558,000				$ 31,558,000						$ 31,558,000	$ 137,000	$ 0
Fixed asset impairment charge					$ 1,014,000						14,571,000	4,569,000	714,000
Gain on sale of building											77,146,000	0	0
Gain (loss) on extinguishment of debt		$ 17,911,000	$ 17,911,000								17,911,000	(493,000)	(750,000)
Gain (Loss) on lease termination											2,967,000	0	$ 0
Occupancy gain (loss), net of tax								$ 928,000
Rental income adjustment, net of tax								60,000
Building financing arrangement, rent expense, net of tax								24,000
Legal damages								123,000
Legal fees and other, net of tax								$ 56,000
Valuation allowance, net of the elimination of federal effect of state deferred taxes							$ 60,368,000				$ 43,681,000	$ 60,368,000