Debt - Summary of Senior Credit Facility (Details) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended | |
|---|---|---|---|
Sep. 30, 2016 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Debt Instrument [Line Items] | |||
| Debt and capital lease obligation | $ 49,751 | $ 112,834 | |
| Term Loan | |||
| Debt Instrument [Line Items] | |||
| Debt and capital lease obligation | $ 50,000 | $ 49,751 | 0 |
| Term Loan | LIBOR | |||
| Debt Instrument [Line Items] | |||
| Basis spread | 1.55% | 1.55% | |
| Revolver | USD | |||
| Debt Instrument [Line Items] | |||
| Debt and capital lease obligation | $ 0 | $ 112,834 |