Income Taxes - Components (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Components of income tax expense (benefit)
Income Tax Expense (Benefit)	$ (4,831)	$ 2,528	$ (1,757)	$ 7,576
Effective tax rate (as a percent)	35.00%	38.30%	33.30%	37.10%
Deferred Tax Assets, Net	$ 20,086		$ 20,086		$ 19,510