STOCKHOLDERS' EQUITY AND REGULATORY MATTERS (Schedule of Compliance with Regulatory Capital Requirements) (Details) - The Juniata Valley Bank $ in Thousands	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations
Total Capital, Amount	$ 76,389	$ 73,726
Total Capital, Ratio	0.1278	0.125
Total Capital, Minimum Capital Adequacy With Capital Buffer, Amount	$ 47,822	$ 47,196
Total Capital, Minimum Capital Adequacy With Capital Buffer, Ratio	0.08	0.08
Total Capital, Minimum Regulatory Requirements to be "Well Capitalized", Amount	$ 59,778	$ 58,995
Total Capital, Minimum Regulatory Requirements to be "Well Capitalized", Ratio	0.10	0.10
Tier 1 Capital, Amount	$ 70,206	$ 68,049
Tier 1 Capital, Ratio	0.1174	0.1153
Tier One Risk Based Capital Minimum Capital Adequacy With Capital Buffer, Amount	$ 35,867	$ 35,397
Tier One Risk Based Capital Minimum Capital Adequacy With Capital Buffer, Ratio	0.06	0.06
Tier 1 Capital, Minimum Regulatory Requirements to be "Well Capitalized", Amount	$ 47,822	$ 47,196
Tier 1 Capital, Minimum Regulatory Requirements to be "Well Capitalized", Ratio	0.08	0.08
Common Equity Tier 1 Capital, Amount	$ 70,206	$ 68,049
Common Equity Tier 1 Capital, Ratio	0.1174	0.1153
Common Equity Tier 1 Capital, Minimum Capital Adequacy With Capital Buffer, Amount	$ 26,900	$ 26,548
Common Equity Tier 1 Capital, Minimum Capital Adequacy With Capital Buffer, Ratio	0.045	0.045
Common Equity Tier 1 Capital, Minimum Regulatory Requirements to be "Well Capitalized", Amount	$ 38,856	$ 38,347
Common Equity Tier 1 Capital, Minimum Regulatory Requirements to be "Well Capitalized", Ratio	0.065	0.065
Tier 1, Leverage Capital to Average Assets, Amount	$ 70,206	$ 68,049
Tier 1, Leverage Capital to Average Assets, Ratio	0.0826	0.0804
Tier 1, Leverage Capital to Average Assets, Minimum Requirement for Capital Adequacy Purposes, Amount	$ 33,987	$ 33,876
Tier 1, Leverage Capital to Average Assets, Minimum Requirement for Capital Adequacy Purposes, Ratio	0.04	0.04
Tier 1, Leverage Capital to Average Assets, Minimum Regulatory Requirements to be "Well Capitalized", Amount	$ 42,483	$ 42,345
Tier 1, Leverage Capital to Average Assets, Minimum Regulatory Requirements to be "Well Capitalized", Ratio	0.05	0.05

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