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Leases, Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Lease Cost [Abstract]
Operating lease cost	$ 10,361	$ 11,553	$ 31,433	$ 32,467
Variable lease cost	467	485	1,382	1,081
Short-term lease cost	3,534	4,645	10,602	17,998
Sublease income	(217)	(418)	(797)	(792)
Total lease cost	$ 14,145	$ 16,265	$ 42,620	$ 50,754

X

- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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X

- References

No definition available.

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X

- Definition

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.

+ References

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-Publisher FASB
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X

- Definition

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

+ References

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X

- Definition

Amount of sublease income excluding finance and operating lease expense.

+ References

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-Publisher FASB
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X

- Definition

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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