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Leases - Schedule of Components of Lease Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Leases [Abstract]        
Operating lease costs [1] $ 1,285 $ 1,414 $ 2,613 $ 2,839
Finance lease costs:        
Amortization of leased assets 633 260 1,222 473
Interest on lease liabilities 51 32 102 59
Net lease costs $ 1,969 $ 1,706 $ 3,937 $ 3,371
[1] Excludes short-term leases and variable lease costs, which are immaterial.