Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current:
Federal	$ (10,569)	$ 9,379	$ 1,217
State and local	3,100	3,134	3,551
Foreign	174	353	137
Total current	(7,295)	12,866	4,905
Deferred
Federal	63,577	33,842	32,458
State and local	8,804	5,725	4,643
Foreign	(12)	7	16
Total deferred	72,369	39,574	37,117
Total income tax expense	$ 65,074	$ 52,440	$ 42,022