Leases, as lessee, Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Supplemental cash flow information related to leases [Abstract]
Operating cash outflows for operating lease liabilities	$ 26,905	$ 32,230
Financing cash outflows for finance lease liabilities	1,092	0
Right-of-use assets obtained in exchange for new operating lease liabilities	7,377	172,053
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 19,805	$ 0