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 (provision)	$ 215	$ (380)	$ 776	$ 5,663
Discrete income tax benefit (provision)			(3,400)	9,700
Discrete income tax benefit, restructure of internal operations and creation of subsidiary				8,600
Uncertain tax benefits	3,400		3,400
Interest and penalties accrued	$ 100		100
Cash paid for income taxes			$ 300	$ 11,100