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Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
ROU Assets |  |
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | ROU Assets | ROU Assets
Operating leases | $ 24,464 | $ 25,321
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] | ROU Assets | ROU Assets
Finance leases | $ 66,052 | $ 60,318
ROU Assets | $ 90,516 | $ 85,639
Operating leases |  |
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Other current liabilities | Other current liabilities
Current | $ 8,605 | $ 7,215
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other liabilities | Other liabilities
Long-term | $ 16,096 | $ 18,999
Operating leases | $ 24,701 | $ 26,214
Finance leases |  |
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] | Other current liabilities | Other current liabilities
Current | $ 3,733 | $ 4,862
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other liabilities | Other liabilities
Long-term | $ 62,912 | $ 55,527
Finance leases | 66,645 | 60,389
Operating and finance lease, liability | $ 91,346 | $ 86,603

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