Fair Value of Financial Instruments - Summary (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets:
Cash and due from banks	$ 17,793	$ 18,661
Certificates of deposit in other banks	735	2,955
Available-for-sale securities	233,516	250,747
Loans held for sale	3,006	591
Accrued interest receivable	8,533	7,953
Deposits:
Non-interest bearing demand	425,105	453,443
Savings, interest checking and money market	802,591	923,602
Accrued interest payable	1,851	902
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Cash and due from banks	17,793	18,661
Federal funds sold and overnight interest-bearing deposits	10,061	65,059
Certificates of deposit in other banks	735	2,955
Available-for-sale securities	4,868	2,152
Other investment securities	64	46
Loans, net	0	0
Loans held for sale	0	0
Cash surrender value - life insurance	0	0
Interest rate lock commitments	0	0
Forward sale commitments	0	0
Accrued interest receivable	8,533	7,953
Total	42,054	96,826
Deposits:
Non-interest bearing demand	425,105	453,443
Savings, interest checking and money market	802,591	923,602
Time deposits	0	0
Federal funds purchased and securities sold under agreements to repurchase	6,196	5,187
Federal Home Loan Bank advances and other borrowings	0	0
Subordinated notes	0	0
Interest rate lock commitments	0	0
Forward sale commitments		0
Accrued interest payable	1,851	902
Total	1,235,743	1,383,134
Other Observable Inputs (Level 2)
Assets:
Cash and due from banks	0	0
Federal funds sold and overnight interest-bearing deposits	0	0
Certificates of deposit in other banks	0	0
Available-for-sale securities	228,648	248,595
Other investment securities	6,941	6,307
Loans, net	0	0
Loans held for sale	3,006	591
Cash surrender value - life insurance	2,610	2,567
Interest rate lock commitments	0	0
Forward sale commitments	18	3
Accrued interest receivable	0	0
Total	241,223	258,063
Deposits:
Non-interest bearing demand	0	0
Savings, interest checking and money market	0	0
Time deposits	0	0
Federal funds purchased and securities sold under agreements to repurchase	0	0
Federal Home Loan Bank advances and other borrowings	112,000	98,000
Subordinated notes	38,444	39,197
Interest rate lock commitments	0	0
Forward sale commitments		3
Accrued interest payable	0	0
Total	150,444	137,200
Significant Unobservable Inputs (Level 3)
Assets:
Cash and due from banks	0	0
Federal funds sold and overnight interest-bearing deposits	0	0
Certificates of deposit in other banks	0	0
Available-for-sale securities	0	0
Other investment securities	0	0
Loans, net	1,369,455	1,389,018
Loans held for sale	0	0
Cash surrender value - life insurance	0	0
Interest rate lock commitments	45	20
Forward sale commitments	0	0
Accrued interest receivable	0	0
Total	1,369,500	1,389,038
Deposits:
Non-interest bearing demand	0	0
Savings, interest checking and money market	0	0
Time deposits	349,641	250,433
Federal funds purchased and securities sold under agreements to repurchase	0	0
Federal Home Loan Bank advances and other borrowings	0	0
Subordinated notes	0	0
Interest rate lock commitments	2	18
Forward sale commitments		0
Accrued interest payable	0	0
Total	349,643	250,451
Carrying amount
Assets:
Cash and due from banks	17,793	18,661
Federal funds sold and overnight interest-bearing deposits	10,061	65,059
Certificates of deposit in other banks	735	2,955
Available-for-sale securities	233,516	250,747
Other investment securities	7,005	6,353
Loans, net	1,534,507	1,505,664
Loans held for sale	3,006	591
Cash surrender value - life insurance	2,610	2,567
Interest rate lock commitments	45	20
Forward sale commitments	18	3
Accrued interest receivable	8,533	7,953
Total	1,817,829	1,860,573
Deposits:
Non-interest bearing demand	425,105	453,443
Savings, interest checking and money market	802,591	923,602
Time deposits	352,669	255,034
Federal funds purchased and securities sold under agreements to repurchase	6,196	5,187
Federal Home Loan Bank advances and other borrowings	112,000	98,000
Subordinated notes	49,486	49,486
Interest rate lock commitments	2	18
Forward sale commitments		3
Accrued interest payable	1,851	902
Total	1,749,900	1,785,675
Fair value
Assets:
Cash and due from banks	17,793	18,661
Federal funds sold and overnight interest-bearing deposits	10,061	65,059
Certificates of deposit in other banks	735	2,955
Available-for-sale securities	233,516	250,747
Other investment securities	7,005	6,353
Loans, net	1,369,455	1,389,018
Loans held for sale	3,006	591
Cash surrender value - life insurance	2,610	2,567
Interest rate lock commitments	45	20
Forward sale commitments	18	3
Accrued interest receivable	8,533	7,953
Total	1,652,777	1,743,927
Deposits:
Non-interest bearing demand	425,105	453,443
Savings, interest checking and money market	802,591	923,602
Time deposits	349,641	250,433
Federal funds purchased and securities sold under agreements to repurchase	6,196	5,187
Federal Home Loan Bank advances and other borrowings	112,000	98,000
Subordinated notes	38,444	39,197
Interest rate lock commitments	2	18
Forward sale commitments		3
Accrued interest payable	1,851	902
Total	$ 1,735,830	$ 1,770,785