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Leases - Operating and Finance Lease Right-of-use-assets and Related Lease Obligations (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Leases |  |
Operating lease assets | $ 31,082 | $ 12,146
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Operating lease assets | Operating lease assets
Finance lease assets | $ 16,981 | $ 17,942
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Finance lease assets | Finance lease assets
Total leased assets | $ 48,063 | $ 30,088
Operating liabilities current | $ 5,001 | $ 5,367
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Other Liabilities, Current | Other Liabilities, Current
Finance liabilities current | $ 1,438 | $ 1,229
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | Finance liabilities current | Finance liabilities current
Operating liabilities noncurrent | $ 25,850 | $ 6,931
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Other Liabilities, Noncurrent | Other Liabilities, Noncurrent
Finance liabilities noncurrent | $ 44,070 | $ 45,185
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Finance liabilities noncurrent | Finance liabilities noncurrent
Total lease liabilities | $ 76,359 | $ 58,712
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 | $ 46,700 | $ 45,900
Prepaid financing costs | $ 600 | $ 600

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