Debt - Schedule of Debt Outstanding (Parenthetical) (Details) - USD ($) |
Sep. 30, 2021 |
Aug. 31, 2021 |
Dec. 31, 2020 |
Aug. 31, 2020 |
|---|---|---|---|---|
| Term Loan, Third Incremental | ||||
| Debt Instrument [Line Items] | ||||
| Unamortized debt issuance costs | $ 6,000,000 | |||
| $24m Revolving Credit Facility | ||||
| Debt Instrument [Line Items] | ||||
| Line of credit, maximum borrowing capacity | $ 24,000,000 | |||
| $226m Revolving Credit Facility, Amended | ||||
| Debt Instrument [Line Items] | ||||
| Line of credit, maximum borrowing capacity | $ 226,000,000 | |||
| $294m Revolving Credit Facility, Amended | ||||
| Debt Instrument [Line Items] | ||||
| Line of credit, maximum borrowing capacity | $ 294,000,000 | $ 294,000,000 | $ 226,000,000 |