Borrowed Funds - Short-term Borrowings, Long-term borrowings and Repurchase Agreements (Details) - USD ($)	9 Months Ended	12 Months Ended
Sep. 30, 2022	Dec. 31, 2021
Borrowed funds
FHLB maximum borrowing capacity	$ 576,700,000
FHLB, remaining borrowing capacity	239,800,000
Short-term Borrowings and Repurchase Agreements
Long-term notes from the FHLB	0	$ 0
Short-term Borrowings from FHLB
Short-term Borrowings and Repurchase Agreements
Balance at end of period	73,328,000	0
Average balance during the period	16,966,000	25,275,000
Maximum month-end balance	$ 73,328,000	$ 130,047,000
Weighted-average rate during the period	2.54%	0.05%
Weighted-average rate at end of period	3.11%	0.00%
Federal Funds Purchased
Short-term Borrowings and Repurchase Agreements
Balance at end of period	$ 0	$ 0
Investment Securities
Short-term Borrowings and Repurchase Agreements
Investment securities held as collateral	10,200,000	15,800,000
Repurchase Agreements
Short-term Borrowings and Repurchase Agreements
Balance at end of period	9,910,000	11,385,000
Average balance during the period	11,334,000	10,821,000
Maximum month-end balance	$ 12,680,000	$ 11,398,000
Weighted-average rate during the period	0.05%	0.12%
Weighted-average rate at end of period	0.05%	0.05%

The average effective interest rate during the reporting period.

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Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

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