Income Taxes - Schedule of Components of Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax [Line Items]
Current tax provision	$ 3,840	$ 1,459	$ 1,060
Deferred tax provision (benefit):	1,824	10,963	(5,427)
Income tax provision (benefit)	5,664	12,422	(4,367)
United States Federal
Income Tax [Line Items]
Current tax provision	0	0	0
Deferred tax provision (benefit):	6,944	13,402	7,505
United States And Local
Income Tax [Line Items]
Current tax provision	1,375	907	213
Deferred tax provision (benefit):	3,195	1,971	1,027
Foreign
Income Tax [Line Items]
Current tax provision	2,465	552	847
Deferred tax provision (benefit):	$ (8,315)	$ (4,410)	$ (13,959)