Income Taxes - Income Tax Benefit Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Expected provision (benefit) at federal statutory rate	$ 9,503	$ (1,753)
Noncontrolling interest	(7,356)	1,451
Corporate costs	0	(607)
State income taxes, net of federal income tax effect	(222)	69
Other	49	(51)
Provision (benefit) for income taxes	$ 1,974	$ (891)	$ 56