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Disclosures about Fair Value Measurements and Financial Instruments - Schedule of estimated fair value and recorded carrying value (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
FINANCIAL ASSETS: Carrying Value
Investment securities - HTM, Carrying Value	$ 60,283	$ 61,878
Loans held for sale, Carrying Value		59
Loans, net of allowance for loan loss and unearned income, Carrying Value	989,993	980,023
Investment securities - HTM, Fair Value	52,391	55,192
Loans held for sale, Fair Value		57
Loans, net of allowance for loan loss and unearned income, Fair Value	915,084	938,188
FINANCIAL LIABILITIES: Carrying Value
Deposits with stated maturities, Carrying Value	314,843	286,004
All other borrowings, Carrying Value	48,792	46,409
Deposits with stated maturities, Fair Value	313,143	281,297
All other borrowings, Fair Value	$ 46,525	44,759
Assets and liabilities considered financial instruments, percentage	90.00%
Level 1
FINANCIAL ASSETS: Carrying Value
Loans held for sale, Fair Value		57
Level 2
FINANCIAL ASSETS: Carrying Value
Investment securities - HTM, Fair Value	$ 50,584	52,323
Level 3
FINANCIAL ASSETS: Carrying Value
Investment securities - HTM, Fair Value	1,807	2,869
Loans, net of allowance for loan loss and unearned income, Fair Value	915,084	938,188
FINANCIAL LIABILITIES: Carrying Value
Deposits with stated maturities, Fair Value	313,143	281,297
All other borrowings, Fair Value	$ 46,525	$ 44,759

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