Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Income tax benefit	$ 2,774	$ 1,923	$ 5,506	$ 1,976
Effective income tax rate (as a percent)	28.60%	22.30%	28.40%	21.80%
Effective income tax rate before the sale of discrete items (as a percent)		46.40%		47.80%
Statutory income tax rate (as a percent)			35.00%
Income tax interest or penalties accrued	$ 0		$ 0