Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Leases
Operating lease cost	$ 375	$ 235
Operating lease payments	268	218
Operating lease right-of-use assets	6,896	4,631	$ 7,145
Operating lease liabilities	$ 7,163	$ 4,688
Weighted average remaining lease term	10 years 10 months 24 days	15 years 9 months 18 days
Weighted average discount rate	3.70%	3.40%
2023 (rest of year)	$ 912
2024	1,054
2025	791
2026	709
2027	316
Thereafter	$ 3,381
Lessor, Operating Lease, Existence of Option to Extend [true false]	true
Property, plant and equipment, gross	$ 672,920	$ 645,662	$ 670,498
Lease income	$ 1,587	1,221
Maximum
Leases
Remaining lease term	17 years
Commercial real estate leased to third parties
Leases
Property, plant and equipment, gross	$ 51,370	51,370
Depreciation	$ 18,227	$ 17,168
Commercial real estate leased to third parties | Maximum
Leases
Lessor, renewal term	56 years
Industrial building in Canada leased to new tenant
Leases
Amended lease term	15 years
Industrial building in Canada leased to new tenant | Maximum
Leases
Lessor, renewal term	10 years