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Leases - Supplemental cash flow information and other related information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Operating cash flows from operating leases	$ 22,542	$ 15,769
Operating cash flows from finance leases	538	601
Financing cash flows from finance leases	1,692	1,047
ROU assets obtained in exchange for new lease obligations - Operating leases	$ 2,801	$ 11,457
Weighted average remaining term - Operating leases	8 years 1 month 6 days	8 years 3 months 18 days
Weighted average remaining lease term - Finance leases	8 years 8 months 12 days	7 years
Weighted average discount rate - Operating leases	3.00%	3.20%
Weighted average discount rate - Finance leases	5.10%	5.70%

X

- Definition

Amount of interest paid on finance lease liability.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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- Definition

Amount of cash outflow for principal payment on finance lease.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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