Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ (3,237)	$ 32,600	$ 11,812
State and local	(762)	5,677	225
Foreign	1,224	1,409	1,400
Total current income tax provision	(2,775)	39,686	13,437
Deferred:
Federal	1,756	19,741	35,147
State and local	519	1,830	4,321
Foreign	258	244	906
Total deferred income tax provision	2,533	21,815	40,374
Federal	(1,481)	52,341	46,959
State and local	(243)	7,507	4,546
Foreign	1,482	1,653	2,306
Total income tax expense	$ (242)	$ 61,501	$ 53,811