Income Taxes and Tax Receivable Agreement - Schedule of Gross Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Unrecognized tax benefits at beginning of year $ 1,403 $ 2,755
Additions for tax positions of prior years 60 136
Reductions for tax positions of prior year (398) (996)
Settlements (4) (492)
Unrecognized tax benefits at end of year $ 1,061 $ 1,403