Leases - Other lease disclosures (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Lessee Disclosure [Abstract]
Operating cash flows from finance leases	$ 7,408	$ 8,177
Operating cash flows from operating leases	1,009	1,129
Financing cash flows from finance leases	7,541	6,772
Right-of-use assets obtained in exchange for new operating lease liabilities	1,954
Finance Leases
2023	14,949
2024	14,949
2025	14,949
2026	14,949
2027	14,949
Thereafter	10,683
Total lease payments	85,428
Less: imputed interest	(24,093)
Total finance lease liabilities	61,335	68,876
Operating Leases
2023	1,324
2024	850
2025	641
2026	350
2027	72
Thereafter	868
Total lease payments	4,105
Less: imputed interest	(685)
Total operating lease liabilities	3,420	2,388
Total
2023	16,273
2024	15,799
2025	15,590
2026	15,299
2027	15,021
Thereafter	11,551
Total lease payments	89,533
Less: imputed interest	(24,778)
Present value of lease liabilities	64,755
Lessor Disclosure [Abstract]
Lease income	$ 6,539	$ 6,312
Operating Lease Income Comprehensive Income Extensible List Not Disclosed Flag	Lease income	Lease income

Present value of lessee's discounted obligation for lease payments from finance lease and operating lease.

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Amount of lessee's undiscounted obligation for lease payments for finance lease and operating lease, due after fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Amount of interest paid on finance lease liability.

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of cash outflow for principal payment on finance lease.

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Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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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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