Leases (Narrative) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) branchOffice	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Weighted average remaining lease term	19 years 4 months 24 days
Weighted average discount rate	2.88%
Total operating lease expense	$ 900	$ 700
Operating right-of-use lease assets	20,380		$ 20,719
Operating lease liabilities	$ 20,903		$ 21,192
Minimum
Lessee, Lease, Description [Line Items]
Option extension period	5 years
Maximum
Lessee, Lease, Description [Line Items]
Option extension period	10 years
Land and Building
Lessee, Lease, Description [Line Items]
Number of branch locations | branchOffice	17
Land
Lessee, Lease, Description [Line Items]
Number of branch locations | branchOffice	9