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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, 2023	Dec. 31, 2022
Composition of Borrowed Funds
Borrowed funds	$ 341,859,000	$ 456,808,000
Borrowed funds, average balance	$ 434,903,000	$ 460,438,000
Borrowed funds, interest rate during period	2.69%	2.12%
Federal funds purchased
Composition of Borrowed Funds
Borrowed funds	$ 0	$ 0
Borrowed funds, average balance	$ 11,000	$ 14,000
Borrowed funds, interest rate during period	5.29%	7.42%
FHLB advances
Composition of Borrowed Funds
Borrowed funds	$ 307,500,000	$ 416,380,000
Borrowed funds, average balance	$ 398,109,000	$ 414,191,000
Borrowed funds, interest rate during period	2.47%	1.70%
Line of Credit
Composition of Borrowed Funds
Borrowed funds	$ 0	$ 0
Borrowed funds, average balance	$ 0	$ 85,000
Borrowed funds, interest rate during period	0.00%	2.78%
Other borrowings
Composition of Borrowed Funds
Borrowed funds	$ 0	$ 6,088,000
Borrowed funds, average balance	$ 2,433,000	$ 8,624,000
Borrowed funds, interest rate during period	8.22%	5.23%
Subordinated notes payable
Composition of Borrowed Funds
Borrowed funds	$ 34,359,000	$ 34,340,000
Borrowed funds, average balance	$ 34,350,000	$ 35,095,000
Borrowed funds, interest rate during period	4.83%	5.06%
Junior subordinated notes(1)
Composition of Borrowed Funds
Borrowed funds	$ 0	$ 0
Borrowed funds, average balance	$ 0	$ 2,429,000
Borrowed funds, interest rate during period	0.00%	20.75%

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