Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax [Line Items]      
Income tax expense at the federal statutory rate $ (4,646) $ (57,157) $ (39,720)
State income tax expense - net of federal income tax benefits (401) (3,075) (2,788)
Change in Federal tax rate (net of state benefit) 0 0 4,425
Noncontrolling interest in partnership 129 2,696 2,795
Equity based compensation (780) (1,825) 241
Nondeductible expenses (99) (79) (31)
Change in valuation allowance 0 0 5,148
Income tax benefit (expense) $ (5,797) $ (59,440) $ (29,930)