Derivative and Hedging Activities (Details Textuals) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Dec. 31, 2019
Balance Sheet Recording of Fair Value Hedge [Line Items]
Additional Collateral, Aggregate Fair Value	$ 76,000	$ 71,000
Derivative collateral right to reclaim cash	6,000	11,000
Fair Value, Inputs, Level 3
Balance Sheet Recording of Fair Value Hedge [Line Items]
Notional Amount	5,000
Derivatives (trading liabilities)	234	0
Derivative Asset	4,796	30
Fair Value, Inputs, Level 3 | Mortgage banking(a)(b) | Fair Value, Measurements, Recurring
Balance Sheet Recording of Fair Value Hedge [Line Items]
Derivatives (trading liabilities)	224	0
Derivative Asset	0	$ 2,617
Designated as Hedging Instrument
Balance Sheet Recording of Fair Value Hedge [Line Items]
Derivative Liability Notional Amount, Terminated			$ 500,000
Underlying Hedged Asset, Amortized Cost Basis	390,000
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge	$ 2,000