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Leases - Summary of Lease Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Leases [Abstract]        
Operating lease costs $ 3,701 $ 4,862 $ 7,639 $ 9,209
Finance lease costs:        
Amortization of ROU assets 476 467 951 932
Interest on lease liabilities 142 154 284 308
Total lease cost $ 4,319 $ 5,483 $ 8,874 $ 10,449