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Leases - Operating and Finance Lease Right-of-use-assets and Related Lease Obligations (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Leases |  |
Operating lease assets | $ 11,893 | $ 9,242
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Operating lease assets | Operating lease assets
Finance lease assets | $ 18,265 | $ 19,238
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Finance lease assets | Finance lease assets
Total leased assets | $ 30,158 | $ 28,480
Operating liabilities current | $ 5,071 | $ 4,716
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Other Liabilities, Current | Other Liabilities, Current
Finance liabilities current | $ 1,164 | $ 979
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | Finance liabilities current | Finance liabilities current
Operating liabilities noncurrent | $ 6,810 | $ 4,357
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Other Liabilities, Noncurrent | Other Liabilities, Noncurrent
Finance liabilities noncurrent | $ 45,508 | $ 46,415
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Finance liabilities noncurrent | Finance liabilities noncurrent
Total lease liabilities | $ 58,553 | $ 56,467
Operating Lease, Liability, Statement of Financial Position [Extensible List] | Other Liabilities, Current, Other Liabilities, Noncurrent | Other Liabilities, Current, Other Liabilities, Noncurrent
Finance lease, accumulated depreciation | $ 49,400 | $ 48,600
Prepaid financing costs | $ 600 | $ 700

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