Leases - Lease Cost (Income) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Finance lease cost
Amortization of finance lease ROU assets	$ 484	$ 460	$ 968	$ 950
Interest on lease liabilities	162	149	323	323
Operating lease cost	21,993	23,367	44,247	45,744
Variable lease cost	1,491	1,633	2,737	3,405
Short-term lease cost	1,359	174	2,345	203
Net lease cost	25,489	25,783	50,620	50,625
Operating lease income	$ (3,219)	$ (727)	$ (4,065)	$ (1,489)

Amount of interest expense on finance lease liability.

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Amount of amortization expense attributable to right-of-use asset from finance lease.

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- Definition

Amount of lease cost recognized by lessee for lease contract.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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