Leases - Additional Information (Details) $ in Millions |
6 Months Ended |
|---|---|
|
Jun. 30, 2019
USD ($)
| |
| Leases [Line Items] | |
| Lessee, operating lease, existence of option to extend | true |
| Lease renewal term, operating lease | 7 years |
| Lessee, operating lease, existence of option to terminate | true |
| Operating leases, options to terminate leases term | 3 years 6 months |
| Sub lease expiration year | 2020 |
| Additional leases, primarily for corporate offices, that have not yet commenced | $ 153.8 |
| Minimum | |
| Leases [Line Items] | |
| Remaining lease term, operating lease | 1 year |
| Additional operating leases that have not yet commenced, lease terms | 6 years |
| Maximum | |
| Leases [Line Items] | |
| Remaining lease term, operating lease | 11 years |
| Additional operating leases that have not yet commenced, lease terms | 11 years |