LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES (Amortized Cost Basis by Risk Category) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Commercial, financial and agricultural \| Commercial Portfolio Segment
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	$ 21,155	$ 8,882
Originated two years prior to current fiscal year	6,038	9,524
Originated three years prior to current fiscal year	8,017	4,090
Originated four years prior to current fiscal year	3,035	9,050
Originated five years prior to current fiscal year	7,438	1,866
Originated more than five years prior to current fiscal year	1,501	1,266
Revolving Loans Amortized Cost Basis	29,586	33,083
Revolving Loans Converted to Term	69	473
Total	76,839	68,234
Commercial, financial and agricultural \| Commercial Portfolio Segment \| Pass
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	21,155	8,837
Originated two years prior to current fiscal year	6,000	8,827
Originated three years prior to current fiscal year	7,402	3,243
Originated four years prior to current fiscal year	2,633	6,045
Originated five years prior to current fiscal year	4,933	1,866
Originated more than five years prior to current fiscal year	1,401	1,181
Revolving Loans Amortized Cost Basis	28,470	31,662
Revolving Loans Converted to Term	69	473
Total	72,063	62,134
Commercial, financial and agricultural \| Commercial Portfolio Segment \| Special Mention
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year		45
Originated two years prior to current fiscal year	38	697
Originated three years prior to current fiscal year	554	847
Originated four years prior to current fiscal year	402	3,005
Originated five years prior to current fiscal year	2,505
Revolving Loans Amortized Cost Basis	1,116	1,401
Total	4,615	5,995
Commercial, financial and agricultural \| Commercial Portfolio Segment \| Substandard
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated more than five years prior to current fiscal year	28	13
Revolving Loans Amortized Cost Basis		20
Total	28	33
Commercial, financial and agricultural \| Commercial Portfolio Segment \| Doubtful
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated three years prior to current fiscal year	61
Originated more than five years prior to current fiscal year	72	72
Total	133	72
Commercial Loan \| Commercial Portfolio Segment
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	23,015	35,515
Originated two years prior to current fiscal year	29,298	42,566
Originated three years prior to current fiscal year	41,593	45,170
Originated four years prior to current fiscal year	55,012	30,571
Originated five years prior to current fiscal year	32,058	20,521
Originated more than five years prior to current fiscal year	78,394	63,647
Revolving Loans Amortized Cost Basis	5,914	8,788
Revolving Loans Converted to Term	811	804
Total	266,095	247,582
Commercial Loan \| Commercial Portfolio Segment \| Pass
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	23,015	35,515
Originated two years prior to current fiscal year	29,298	42,566
Originated three years prior to current fiscal year	41,593	45,170
Originated four years prior to current fiscal year	55,012	30,571
Originated five years prior to current fiscal year	32,058	12,222
Originated more than five years prior to current fiscal year	70,129	59,135
Revolving Loans Amortized Cost Basis	5,715	8,589
Revolving Loans Converted to Term	811	804
Total	257,631	234,572
Commercial Loan \| Commercial Portfolio Segment \| Special Mention
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated five years prior to current fiscal year		8,165
Originated more than five years prior to current fiscal year	7,265	3,620
Revolving Loans Amortized Cost Basis	199	199
Total	7,464	11,984
Commercial Loan \| Commercial Portfolio Segment \| Substandard
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated five years prior to current fiscal year		134
Originated more than five years prior to current fiscal year	1,000	892
Total	1,000	1,026
1-4 family residential construction \| Consumer Portfolio Segment
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	160	1,172
Total	160	1,172
1-4 family residential construction \| Consumer Portfolio Segment \| Pass
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	160	1,172
Total	160	1,172
Other construction loans \| Commercial Portfolio Segment
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	11,664	10,405
Originated two years prior to current fiscal year	12,640	9,241
Originated three years prior to current fiscal year	2,300	103
Originated four years prior to current fiscal year	70	3,392
Originated five years prior to current fiscal year	368	4,723
Originated more than five years prior to current fiscal year	3,184	3,036
Revolving Loans Amortized Cost Basis	11,155	4,963
Revolving Loans Converted to Term	6,153	792
Total	47,534	36,655
Other construction loans \| Commercial Portfolio Segment \| Pass
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	11,664	10,405
Originated two years prior to current fiscal year	12,640	9,241
Originated three years prior to current fiscal year	2,300	103
Originated four years prior to current fiscal year	70	3,392
Originated five years prior to current fiscal year	368	187
Originated more than five years prior to current fiscal year	3,184	3,036
Revolving Loans Amortized Cost Basis	11,155	4,963
Revolving Loans Converted to Term	6,153	792
Total	47,534	32,119
Other construction loans \| Commercial Portfolio Segment \| Special Mention
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated five years prior to current fiscal year		4,536
Total		4,536
Mortgage Loan \| Consumer Portfolio Segment
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	19,458	19,193
Originated two years prior to current fiscal year	19,277	23,800
Originated three years prior to current fiscal year	21,963	42,775
Originated four years prior to current fiscal year	39,604	16,802
Originated five years prior to current fiscal year	14,917	12,836
Originated more than five years prior to current fiscal year	45,133	39,877
Revolving Loans Amortized Cost Basis	7,063	6,967
Revolving Loans Converted to Term	630	521
Total	168,045	162,771
Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Write-off By Origination Year
Originated more than five years prior to current fiscal year	4
Total	4
Mortgage Loan \| Consumer Portfolio Segment \| Pass
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	19,458	19,193
Originated two years prior to current fiscal year	19,277	23,800
Originated three years prior to current fiscal year	21,963	42,675
Originated four years prior to current fiscal year	39,511	16,802
Originated five years prior to current fiscal year	14,917	12,836
Originated more than five years prior to current fiscal year	44,696	38,894
Revolving Loans Amortized Cost Basis	6,863	6,767
Revolving Loans Converted to Term	630	521
Total	167,315	161,488
Mortgage Loan \| Consumer Portfolio Segment \| Special Mention
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated three years prior to current fiscal year		100
Originated four years prior to current fiscal year	93
Originated more than five years prior to current fiscal year	173	196
Revolving Loans Amortized Cost Basis	200	200
Total	466	496
Mortgage Loan \| Consumer Portfolio Segment \| Substandard
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated more than five years prior to current fiscal year	264	787
Total	264	787
Obligations of states and political subdivisions \| Commercial Portfolio Segment
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	3,300	340
Originated two years prior to current fiscal year	312	283
Originated three years prior to current fiscal year	221	3,613
Originated four years prior to current fiscal year	3,348	2,000
Originated five years prior to current fiscal year	1,734	4,587
Originated more than five years prior to current fiscal year	6,858	2,928
Revolving Loans Amortized Cost Basis	100	99
Total	15,873	13,850
Obligations of states and political subdivisions \| Commercial Portfolio Segment \| Pass
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	3,300	340
Originated two years prior to current fiscal year	312	283
Originated three years prior to current fiscal year	221	3,613
Originated four years prior to current fiscal year	3,348	2,000
Originated five years prior to current fiscal year	1,734	4,587
Originated more than five years prior to current fiscal year	6,858	2,928
Revolving Loans Amortized Cost Basis	100	99
Total	15,873	13,850
Personal Loan \| Consumer Portfolio Segment
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	1,203	1,573
Originated two years prior to current fiscal year	954	1,227
Originated three years prior to current fiscal year	618	492
Originated four years prior to current fiscal year	263	149
Originated five years prior to current fiscal year	56	7
Originated more than five years prior to current fiscal year	38	79
Revolving Loans Amortized Cost Basis	32	56
Revolving Loans Converted to Term	12	22
Total	3,176	3,605
Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Write-off By Origination Year
Originated current fiscal year	5
Originated two years prior to current fiscal year	2
Originated three years prior to current fiscal year		(2)
Originated more than five years prior to current fiscal year	17	(35)
Revolving Loans Amortized Cost Basis		(3)
Total	24	(40)
Personal Loan \| Consumer Portfolio Segment \| Pass
LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES
Originated current fiscal year	1,203	1,573
Originated two years prior to current fiscal year	954	1,227
Originated three years prior to current fiscal year	618	492
Originated four years prior to current fiscal year	263	149
Originated five years prior to current fiscal year	56	7
Originated more than five years prior to current fiscal year	38	79
Revolving Loans Amortized Cost Basis	32	56
Revolving Loans Converted to Term	12	22
Total	$ 3,176	$ 3,605

JUNIATA VALLEY FINANCIAL CORP 10-Q