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Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Paid for Amounts Included in the Measurement of Lease Liabilities:
Operating Cash Flows for Operating Leases	$ 56,966	$ 62,610	$ 66,827
Operating Cash Flows for Finance Leases	123	739	1,241
Financing Cash Flows for Finance Leases	2,785	7,155	7,149
Right-of-Use Assets Obtained in Exchange for Lease Obligations:
Operating Leases	4,010	4,027	15,347
Finance Leases	$ 772	$ 257	$ 1,846

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Amount of interest paid on finance lease liability.

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Amount of cash outflow for principal payment on finance lease.

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