Loans And Allowance For Credit Losses (Summary Of Loans, Net) (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 655,397		$ 643,596
Less allowance for credit losses	6,308	$ 7,021	7,044	$ 6,951	$ 6,920	$ 7,412
Net loans	649,089		636,552	636,552
Net deferred costs	598		817
Commercial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	70,510		66,418
Less allowance for credit losses	747	532	686	606	644	514
Commercial Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Less allowance for credit losses	3,047	3,915	3,719	3,748	3,642	3,985
Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Less allowance for credit losses	799	837	842	897	884	1,093
Residential [Member]
Loans and Leases Receivable Disclosure [Line Items]
Less allowance for credit losses	1,715	$ 1,737	1,797	$ 1,700	$ 1,750	$ 1,820
Commercial Mortgages-Owner Occupied [Member] \| Commercial Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	153,526		140,443
Commercial Mortgages-Non-Owner Occupied [Member] \| Commercial Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	202,147		195,089
Commercial Construction/Land [Member] \| Commercial Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	10,678		23,883
Consumer Open-End [Member] \| Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	54,337		50,041
Consumer Closed-End [Member] \| Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	26,280		28,269
Residential Mortgages [Member] \| Residential [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	108,875		113,303
Residential Consumer Construction/Land [Member] \| Residential [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total loans	$ 29,044		$ 26,150

BANK OF THE JAMES FINANCIAL GROUP INC 10-Q