Borrowed Funds - Repurchase Agreements (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Investment Securities
Borrowed funds
Investment securities held as collateral	$ 10,400	$ 15,800
Repurchase Agreements
Borrowed funds
Balance at end of year	10,037	11,385
Average balance during the year	10,987	10,821
Maximum month-end balance	$ 12,680	$ 11,398
Weighted-average rate during the year	0.05%	0.12%
Weighted-average rate at December 31	0.06%	0.05%

The average effective interest rate during the reporting period.

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