Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Leases
Operating lease cost	$ 359	$ 375
Operating lease payments	346	268
Operating lease right-of-use assets	5,791	6,896	$ 6,043
Operating lease liabilities	$ 6,127	$ 7,163
Weighted average remaining lease term	11 years	10 years 10 months 24 days
Weighted average discount rate	3.60%	3.70%
2025 (rest of year)	$ 947
2026	774
2027	709
2028	315
2029	119
Thereafter	$ 3,263
Lessor, Operating Lease, Existence of Option to Extend [true false]	true
Property, plant and equipment, gross	$ 687,634	$ 672,920	$ 682,561
Lease income	$ 1,787	1,587
Maximum
Leases
Remaining lease term	16 years
Commercial real estate leased to third parties
Leases
Property, plant and equipment, gross	$ 51,228	51,370
Depreciation	$ 19,530	$ 18,227
Commercial real estate leased to third parties | Maximum
Leases
Lessor, renewal term	55 years