Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 277	$ 255	$ 556	$ 513
Operating lease right-of-use assets	7,019	6,892	7,019	6,892	$ 7,419
Operating lease liabilities	$ 7,019	$ 6,892	$ 7,019	$ 6,892
Weighted average remaining lease term	7 years 1 month 6 days	8 years 1 month 6 days	7 years 1 month 6 days	8 years 1 month 6 days
Weighted average discount rate	2.00%	2.10%	2.00%	2.10%
2022 (rest of year)	$ 442		$ 442
2023	711		711
2024	312		312
2025	319		319
2026	313		313
Thereafter	4,922		$ 4,922
Lessor, Operating Lease, Existence of Option to Extend [true false]			true
Property, Plant and Equipment, Gross	632,128	$ 602,204	$ 632,128	$ 602,204	$ 621,402
Lease income	$ 1,245	845	$ 2,458	2,075
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	19 years		19 years
Commercial real estate leased to third parties
Lessee, Lease, Description [Line Items]
Property, Plant and Equipment, Gross	$ 51,370	$ 51,402	$ 51,370	51,402
Depreciation			$ 16,373	$ 15,314
Commercial real estate leased to third parties | Maximum
Lessee, Lease, Description [Line Items]
Lessor, renewal term	58 years		58 years