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FHLB Advances, Other Borrowings and Junior Subordinated Notes Payable (Composition of Borrowed Funds) (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Composition of Borrowed Funds
Borrowed funds	$ 414,487,000	$ 413,527,000
Borrowed funds, average balance	$ 435,241,000	$ 418,783,000
Borrowed funds, interest rate during period	1.88%	1.86%
FHLB advances
Composition of Borrowed Funds
Borrowed funds	$ 361,400,000	$ 368,800,000
Borrowed funds, average balance	$ 385,080,000	$ 376,781,000
Borrowed funds, interest rate during period	1.08%	1.30%
Line of Credit
Composition of Borrowed Funds
Borrowed funds	$ 0	$ 500,000
Borrowed funds, average balance	$ 345,000	$ 78,000
Borrowed funds, interest rate during period	2.74%	2.90%
Other borrowings
Composition of Borrowed Funds
Borrowed funds	$ 9,763,000	$ 10,363,000
Borrowed funds, average balance	$ 10,063,000	$ 8,090,000
Borrowed funds, interest rate during period	3.64%	4.11%
Subordinated notes payable
Composition of Borrowed Funds
Borrowed funds	$ 43,324,000	$ 23,788,000
Borrowed funds, average balance	$ 29,903,000	$ 23,766,000
Borrowed funds, interest rate during period	5.42%	5.94%
Junior subordinated notes(1)
Composition of Borrowed Funds
Borrowed funds	$ 0	$ 10,076,000
Borrowed funds, average balance	$ 9,850,000	$ 10,068,000
Borrowed funds, interest rate during period	20.46%	11.05%

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