Restructuring Charges (Narrative) (Details) $ in Thousands		1 Months Ended	3 Months Ended		12 Months Ended
	Jul. 17, 2020 Branch	Oct. 31, 2020 Branch	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Restructuring Cost And Reserve [Line Items]
Number of bank branch closure | Branch	6
Percentage of branch network	10.00%
Percentage of branch network impact	6.00%
Number of additional branches planned to close | Branch		1
Pre tax expense related branch closures						$ 1,700
Restructuring charges					$ 111
Total costs result in future cash expenditures						400
Anticipates annual expense savings branch closures						2,700
Restructuring charges			$ 0	$ 0
Long lived assets held for sale			$ 2,600		$ 2,600
Employee Severance [Member]
Restructuring Cost And Reserve [Line Items]
Pre tax expense related branch closures						200
Lease Termination Costs [Member]
Restructuring Cost And Reserve [Line Items]
Pre tax expense related branch closures						500
Valuation Adjustments On Branch Facilities [Member]
Restructuring Cost And Reserve [Line Items]
Pre tax expense related branch closures						$ 1,000