Guarantor Financial Information (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Condensed consolidating financial statements
Total revenue	$ 124,605	$ 106,867
Costs and expenses	90,026	157,750
Operating income (loss)	34,579	(50,883)
Other income (expense)	(16,722)	(15,157)
Equity in earnings of subsidiaries	0	0
Income tax (expense) benefit	(6,465)	24,831
NET INCOME (LOSS)	11,392	(41,209)
Issuer
Condensed consolidating financial statements
Total revenue	81,968	73,284
Costs and expenses	59,393	127,711
Operating income (loss)	22,575	(54,427)
Other income (expense)	(17,272)	(15,228)
Equity in earnings of subsidiaries	8,160	2,350
Income tax (expense) benefit	(2,071)	26,096
NET INCOME (LOSS)	11,392	(41,209)
Guarantor Subsidiaries
Condensed consolidating financial statements
Total revenue	41,814	33,583
Costs and expenses	30,126	30,039
Operating income (loss)	11,688	3,544
Other income (expense)	235	71
Equity in earnings of subsidiaries	0	0
Income tax (expense) benefit	(4,173)	(1,265)
NET INCOME (LOSS)	7,750	2,350
Non-Guarantor Subsidiaries
Condensed consolidating financial statements
Total revenue	823	0
Costs and expenses	507	0
Operating income (loss)	316	0
Other income (expense)	315	0
Equity in earnings of subsidiaries	0	0
Income tax (expense) benefit	(221)	0
NET INCOME (LOSS)	410	0
Adjustments/Eliminations
Condensed consolidating financial statements
Total revenue	0	0
Costs and expenses	0	0
Operating income (loss)	0	0
Other income (expense)	0	0
Equity in earnings of subsidiaries	(8,160)	(2,350)
Income tax (expense) benefit	0	0
NET INCOME (LOSS)	$ (8,160)	$ (2,350)