Leases - Schedule of Lease Expenses and Other Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
Jun. 30, 2021 |
Jun. 30, 2020 |
|
| Lessee, Lease, Description [Line Items] | ||||
| Weighted-average discount rate | 4.65% | 4.65% | ||
| Weighted-average remaining lease term (years) | 122 months | 122 months | ||
| Lease costs | ||||
| Operating lease cost | $ 842 | $ 1,527 | $ 1,715 | $ 5,832 |
| Variable lease cost | 13 | 3,278 | 22 | 4,485 |
| Short-term lease cost | 9,973 | 11,192 | 17,167 | 29,017 |
| Total lease cost | $ 10,828 | $ 15,997 | $ 18,904 | $ 39,334 |