Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Other Lease Information (Details)

v3.20.4
Commitments and Contingencies - Other Lease Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]      
Operating cash flows from operating leases $ 2,816 $ 3,279  
Operating cash flow from finance leases 1 10  
Financing cash flows from finance leases 60 242 $ 238
Operating Lease - Right-of-use assets obtained in exchange for lease liabilities 0 26,617  
Finance Lease - Right-of-use assets obtained in exchange for lease liabilities $ 0 $ 493  
Operating Lease, Weighted-average remaining lease term (in years) 5 years 6 months    
Finance Lease, Weighted-average remaining lease term (in years) 0 years    
Operating Leases, Weighted-average discount rate 6.60%    
Finance lease, Weighted-average discount rate 5.00%