Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 279	$ 258
Operating lease right-of-use assets	7,220	653	$ 7,419
Operating lease liabilities	$ 7,220	$ 653
Weighted average remaining lease term	8 years 1 month 6 days	1 year
Weighted average discount rate	2.00%	3.10%
2022 (rest of year)	$ 1,037
2023	627
2024	421
2025	422
2026	401
Thereafter	$ 4,312
Lessor, Operating Lease, Existence of Option to Extend [true false]	true
Property, Plant and Equipment, Gross	$ 626,972	$ 587,139	$ 621,402
Lease income	$ 1,213	1,230
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	20 years
Commercial real estate leased to third parties
Lessee, Lease, Description [Line Items]
Property, Plant and Equipment, Gross	$ 51,370	51,402
Depreciation	$ 16,108	$ 15,001
Commercial real estate leased to third parties | Maximum
Lessee, Lease, Description [Line Items]
Lessor, renewal term	58 years