Leases - Lease Portfolio (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2019 |
Jan. 01, 2019 |
Dec. 31, 2018 |
|
| Lease Cost | ||||
| Operating lease cost | $ 1,593 | $ 2,633 | ||
| Short-term lease cost | 20 | 96 | ||
| Variable lease cost | 795 | 930 | ||
| Sublease income | (299) | (369) | ||
| Total lease cost | 2,109 | 3,290 | ||
| Operating Leases | ||||
| Operating lease, right-of-use-asset | 27,643 | 27,643 | $ 1,751 | |
| Operating lease liabilities | 5,076 | 5,076 | 616 | $ 4,502 |
| Operating lease liabilities, net of current portion | $ 23,137 | $ 23,137 | $ 1,226 | $ 41,441 |
| Weighted average remaining lease term - operating leases | 6 years 10 months 6 days | 6 years 10 months 6 days | ||
| Weighted-average discount rate - operating leases | 7.92% | 7.92% |