Leases - Schedule of Depreciation Expense for Underlying Assets under Operating Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Depreciation expense for underlying assets under operating leases	$ 44,107	$ 53,303	$ 90,020	$ 109,437