Leases - Summary of Right of Use Assets Acquired Under Operating Leases (Details) $ in Thousands |
9 Months Ended |
---|---|
Sep. 30, 2019
USD ($)
| |
Lessee Lease Description [Line Items] | |
Total operating leases | $ 4,692 |
For operating leases | 1,296 |
Operating Leases, Excluding Seattle Office Lease | |
Lessee Lease Description [Line Items] | |
Total operating leases | 345 |
Seattle Office Lease, Including Amendment | |
Lessee Lease Description [Line Items] | |
Total operating leases | $ 4,347 |