Leases - Other lease disclosures (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Lessee Disclosure [Abstract]
Operating cash flows from finance leases	$ 6,551	$ 7,408
Operating cash flows from operating leases	1,410	1,009
Financing cash flows from finance leases	8,398	7,541
Right-of-use assets obtained in exchange for new operating lease liabilities	4,503	1,954
Finance Leases
2024	14,949
2025	14,949
2026	14,949
2027	14,949
2028	3,052
Thereafter	7,633
Total lease payments	70,481
Less: imputed interest	(17,544)
Total finance lease liabilities	52,937	61,335
Operating Leases
2024	1,913
2025	1,703
2026	1,412
2027	1,134
2028	1,026
Thereafter	795
Total lease payments	7,983
Less: imputed interest	(1,302)
Total operating lease liabilities	6,681	3,420
Total
2024	16,862
2025	16,652
2026	16,361
2027	16,083
2028	4,078
Thereafter	8,428
Total lease payments	78,464
Less: imputed interest	(18,846)
Present value of lease liabilities	59,618
Lessor Disclosure [Abstract]
Lease income	$ 6,776	$ 6,539
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.

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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 for finance lease and operating lease, due in fourth fiscal year following latest fiscal year.

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

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Amount of lessee's undiscounted obligation for lease payments for finance lease and operating lease, due in second 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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Present value of lessee's discounted obligation for lease payments from finance lease.

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Amount of lessee's undiscounted obligation for lease payments for finance lease.

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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 next 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 lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

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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.

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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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Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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