Borrowed Funds (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Repurchase agreements secured by available for sale securities	$ 50,500,000	$ 49,700,000
Loans	$ 1,406,667,000	1,279,494,000
Borrowing capacity to assets, percentage	30.00%
FHLB, available funds	$ 571,400,000	544,100,000
FHLB available credit	145,438,000
Aggregated liquidation amount	$ 66,000	67,000
Maximum Allowable Period Of Interest Deferment	20
Short-term borrowings	$ 45,418,000	64,565,000
FHLB advances	80,000,000
Bank Term Funding Program [Member]
Debt Instrument [Line Items]
Line of credit facility, available funding	69,500,000
Securities Sold under Agreements to Repurchase [Member]
Debt Instrument [Line Items]
Repurchase agreements secured by available for sale securities	61,600,000	74,600,000
Various Financial Institutions [Member]
Debt Instrument [Line Items]
Line of credit facility, available funding	140,000,000.0
Outstanding borrowings	0	$ 0
Federal Reserve Bank [Member]
Debt Instrument [Line Items]
Line of credit facility, available funding	12,200,000
First United Statutory Trust I And II [Member]
Debt Instrument [Line Items]
Aggregated liquidation amount	$ 900,000
Debenture issue date	March 2004
Trust preferred securities	$ 30,000,000.0
First United Statutory Trust I [Member] | Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
Variable interest rate	three-month Secured Overnight Financing Rate (“SOFR”) plus 275 basis points
Reporting date interest rate	8.39%
Debenture issued to unconsolidated subsidiary	$ 20,600,000
Earliest availability for redemption	5 years
Maturity date	2034
First United Statutory Trust II [Member] | Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
Variable interest rate	three-month SOFR plus 275 basis points
Reporting date interest rate	8.39%
Debenture issued to unconsolidated subsidiary	$ 10,300,000
Earliest availability for redemption	5 years
Maturity date	2034