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Leases - Schedule of Lease Costs (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Operating Leases    
Operating lease cost $ 17,861 $ 26,230
Finance Leases    
Amortization of right-of-use assets 7,806 6,167
Interest on lease liabilities 294 440
Short-term lease cost 1,855 1,014
Variable lease cost 1,961 3,740
Total lease cost $ 29,777 $ 37,591