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Leases - Lease Expenses (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Finance lease cost    
Amortization of right-of-use assets $ 36,128 $ 25,166
Interest on lease liabilities 30,193 27,825
Total finance lease cost 66,321 52,991
Operating lease cost 56,454 53,791
Variable Lease, Cost 8,040 2,582
Total lease cost $ 130,815 $ 109,364