Leases (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) branchOffice	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) branchOffice	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Weighted average remaining lease term	19 years 7 months 6 days		19 years 7 months 6 days
Weighted average discount rate	2.94%		2.94%
Total operating lease expense	$ 700	$ 500	$ 2,300	$ 1,800
Operating right-of-use lease assets	19,230		19,230		$ 20,719
Operating lease liabilities	$ 19,847		$ 19,847		$ 21,192
Minimum
Lessee, Lease, Description [Line Items]
Option extension period	5 years		5 years
Maximum
Lessee, Lease, Description [Line Items]
Option extension period	10 years		10 years
Land and Building
Lessee, Lease, Description [Line Items]
Number of branch locations | branchOffice	16		16
Land
Lessee, Lease, Description [Line Items]
Number of branch locations | branchOffice	9		9