LOANS AND ALLOWANCE FOR CREDIT LOSSES, Risk Category of Commercial Loans by Class of Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Total ending loans balance	$ 1,130,534		$ 1,130,534		$ 1,061,825
Current Period gross charge-offs	550	$ 723	1,863	$ 1,872
Commercial Real Estate [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
Current Period gross charge-offs	0	0	0	0
Commercial Real Estate [Member] \| Owner-occupied [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	26,575		26,575		13,841
2024/2023	14,020		14,020		17,199
2023/2022	18,828		18,828		7,441
2022/2021	6,522		6,522		22,990
2021/2020	21,979		21,979		4,923
Prior	17,818		17,818		18,595
Revolving Loans Amortized Cost Basis	3,438		3,438		1,482
Total ending loans balance	109,180		109,180		86,471
2025/2024			0		0
2024/2023			0		0
2023/2022			0		0
2022/2021			0		0
2021/2020			0		0
Prior			0		0
Revolving Loans Amortized Cost Basis			0		0
Current Period gross charge-offs			0		0
Commercial Real Estate [Member] \| Nonowner-occupied [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	34,803		34,803		35,436
2024/2023	37,986		37,986		13,013
2023/2022	29,791		29,791		31,769
2022/2021	38,909		38,909		31,465
2021/2020	29,572		29,572		22,680
Prior	79,258		79,258		66,312
Revolving Loans Amortized Cost Basis	6,795		6,795		6,172
Total ending loans balance	257,114		257,114		206,847
2025/2024			0		0
2024/2023			0		0
2023/2022			0		0
2022/2021			0		0
2021/2020			0		0
Prior			0		0
Revolving Loans Amortized Cost Basis			0		0
Current Period gross charge-offs			0		0
Commercial Real Estate [Member] \| Construction [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	23,347		23,347		13,865
2024/2023	11,554		11,554		33,800
2023/2022	14,194		14,194		27,678
2022/2021	20,130		20,130		1,111
2021/2020	1,073		1,073		266
Prior	2,458		2,458		2,856
Revolving Loans Amortized Cost Basis	3,457		3,457		93
Total ending loans balance	76,213		76,213		79,669
2025/2024			0		0
2024/2023			0		0
2023/2022			0		0
2022/2021			0		0
2021/2020			0		0
Prior			0		0
Revolving Loans Amortized Cost Basis			0		0
Current Period gross charge-offs			0		0
Commercial Real Estate [Member] \| Pass [Member] \| Owner-occupied [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	26,575		26,575		13,762
2024/2023	13,950		13,950		17,199
2023/2022	18,828		18,828		7,441
2022/2021	6,522		6,522		10,094
2021/2020	5,374		5,374		4,787
Prior	15,758		15,758		16,336
Revolving Loans Amortized Cost Basis	1,639		1,639		583
Total ending loans balance	88,646		88,646		70,202
Commercial Real Estate [Member] \| Pass [Member] \| Nonowner-occupied [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	34,803		34,803		35,216
2024/2023	37,770		37,770		11,377
2023/2022	28,178		28,178		30,773
2022/2021	37,938		37,938		31,465
2021/2020	29,572		29,572		19,351
Prior	76,018		76,018		66,312
Revolving Loans Amortized Cost Basis	6,795		6,795		6,172
Total ending loans balance	251,074		251,074		200,666
Commercial Real Estate [Member] \| Pass [Member] \| Construction [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	23,347		23,347		13,865
2024/2023	11,554		11,554		33,162
2023/2022	13,575		13,575		27,678
2022/2021	14,196		14,196		1,111
2021/2020	1,073		1,073		266
Prior	2,434		2,434		2,647
Revolving Loans Amortized Cost Basis	3,045		3,045		93
Total ending loans balance	69,224		69,224		78,822
Commercial Real Estate [Member] \| Special Mention [Member] \| Owner-occupied [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	0		0		0
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		12,896
2021/2020	12,413		12,413		0
Prior	0		0		1,415
Revolving Loans Amortized Cost Basis	0		0		299
Total ending loans balance	12,413		12,413		14,610
Commercial Real Estate [Member] \| Special Mention [Member] \| Nonowner-occupied [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	0		0		0
2024/2023	0		0		1,636
2023/2022	1,613		1,613		0
2022/2021	0		0		0
2021/2020	0		0		0
Prior	0		0		0
Revolving Loans Amortized Cost Basis	0		0		0
Total ending loans balance	1,613		1,613		1,636
Commercial Real Estate [Member] \| Special Mention [Member] \| Construction [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	0		0		0
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	5,934		5,934		0
2021/2020	0		0		0
Prior	24		24		38
Revolving Loans Amortized Cost Basis	412		412		0
Total ending loans balance	6,370		6,370		38
Commercial Real Estate [Member] \| Substandard [Member] \| Owner-occupied [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	0		0		79
2024/2023	70		70		0
2023/2022	0		0		0
2022/2021	0		0		0
2021/2020	4,192		4,192		136
Prior	2,060		2,060		844
Revolving Loans Amortized Cost Basis	1,799		1,799		600
Total ending loans balance	8,121		8,121		1,659
Commercial Real Estate [Member] \| Substandard [Member] \| Nonowner-occupied [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	0		0		220
2024/2023	216		216		0
2023/2022	0		0		996
2022/2021	971		971		0
2021/2020	0		0		3,329
Prior	3,240		3,240		0
Revolving Loans Amortized Cost Basis	0		0		0
Total ending loans balance	4,427		4,427		4,545
Commercial Real Estate [Member] \| Substandard [Member] \| Construction [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	0		0		0
2024/2023	0		0		638
2023/2022	619		619		0
2022/2021	0		0		0
2021/2020	0		0		0
Prior	0		0		171
Revolving Loans Amortized Cost Basis	0		0		0
Total ending loans balance	619		619		809
Commercial Real Estate [Member] \| Doubtful [Member] \| Owner-occupied [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	0		0		0
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2021/2020	0		0		0
Prior	0		0		0
Revolving Loans Amortized Cost Basis	0		0		0
Total ending loans balance	0		0		0
Commercial Real Estate [Member] \| Doubtful [Member] \| Nonowner-occupied [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	0		0		0
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2021/2020	0		0		0
Prior	0		0		0
Revolving Loans Amortized Cost Basis	0		0		0
Total ending loans balance	0		0		0
Commercial Real Estate [Member] \| Doubtful [Member] \| Construction [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	0		0		0
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2021/2020	0		0		0
Prior	0		0		0
Revolving Loans Amortized Cost Basis	0		0		0
Total ending loans balance	0		0		0
Commercial and Industrial [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	18,884		18,884		19,745
2024/2023	15,652		15,652		8,101
2023/2022	6,602		6,602		24,903
2022/2021	21,648		21,648		26,374
2021/2020	23,994		23,994		20,853
Prior	50,374		50,374		25,771
Revolving Loans Amortized Cost Basis	35,215		35,215		32,693
Total ending loans balance	172,369		172,369		158,440
2025/2024			0		219
2024/2023			45		0
2023/2022			0		0
2022/2021			12		1
2021/2020			58		0
Prior			0		0
Revolving Loans Amortized Cost Basis			45		1
Current Period gross charge-offs	0	$ 112	160	$ 221	221
Commercial and Industrial [Member] \| Pass [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	18,884		18,884		17,260
2024/2023	14,313		14,313		7,875
2023/2022	6,467		6,467		24,843
2022/2021	21,614		21,614		25,894
2021/2020	23,831		23,831		20,648
Prior	44,074		44,074		25,593
Revolving Loans Amortized Cost Basis	28,281		28,281		21,785
Total ending loans balance	157,464		157,464		143,898
Commercial and Industrial [Member] \| Special Mention [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	0		0		446
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2021/2020	0		0		0
Prior	0		0		178
Revolving Loans Amortized Cost Basis	3,279		3,279		6,476
Total ending loans balance	3,279		3,279		7,100
Commercial and Industrial [Member] \| Substandard [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	0		0		2,039
2024/2023	1,339		1,339		226
2023/2022	135		135		60
2022/2021	34		34		480
2021/2020	163		163		205
Prior	6,300		6,300		0
Revolving Loans Amortized Cost Basis	3,655		3,655		4,432
Total ending loans balance	11,626		11,626		7,442
Commercial and Industrial [Member] \| Doubtful [Member]
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract]
2025/2024	0		0		0
2024/2023	0		0		0
2023/2022	0		0		0
2022/2021	0		0		0
2021/2020	0		0		0
Prior	0		0		0
Revolving Loans Amortized Cost Basis	0		0		0
Total ending loans balance	$ 0		$ 0		$ 0

OHIO VALLEY BANC CORP 10-Q