Borrowings and Line of Credit - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Securities sold under agreements to repurchase	$ 5,100,000	$ 4,800,000
Securities sold under agreements to repurchase, average balance	5,100,000	5,400,000
Securities sold under agreements to repurchase, maximum month-end balance	6,100,000	5,900,000
Carrying value of securities pledged as collateral	7,600,000	9,200,000
Carrying value of securities pledged to Federal Home Loan Bank	0	0
Federal funds purchased	0	0
Revolving line of credit	10,000,000	25,000,000
Loan participation agreements	0	24,600,000
Loan and Security Agreement and Revolving Line of Credit [Member]
Principal amount	$ 35,000,000.0
Maximum [Member]
Securities sold under agreements to repurchase, maturity period	4 days
Minimum [Member]
Securities sold under agreements to repurchase, maturity period	1 day
Revolving Credit Facility [Member]
Outstanding borrowings	$ 8,000,000.0	$ 12,500,000