Leases - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Leases [Line Items] | |||
| Lessee, operating lease, existence of option to extend | true | ||
| Lessee, operating lease, existence of option to terminate | true | ||
| Sub lease expiration year | 2020 | ||
| Additional leases, primarily for corporate offices, that have not yet commenced | $ 6.6 | ||
| Rent expense | $ 9.7 | $ 6.9 | |
| Minimum | |||
| Leases [Line Items] | |||
| Remaining lease term, operating lease | 1 year | ||
| Additional operating leases that have not yet commenced, lease terms | 5 years | ||
| Maximum | |||
| Leases [Line Items] | |||
| Remaining lease term, operating lease | 11 years | ||
| Additional operating leases that have not yet commenced, lease terms | 11 years | ||