JUNIATA VALLEY FINANCIAL CORP. (PARENT COMPANY ONLY) FINANCIAL INFORMATION (Schedule of Condensed Balance Sheets) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash and cash equivalents	$ 28,930	$ 27,767	$ 14,573	$ 11,903	$ 10,999
Equity securities	1,073	978	992	1,033	1,056
Total assets	870,555	861,412	844,205	830,381	829,619
STOCKHOLDERS' EQUITY	40,137	36,879	35,745	36,273	35,693	$ 71,290
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	870,555	$ 861,412	$ 844,205	$ 830,381	829,619
Parent Company
Cash and cash equivalents	150				59
Investment in bank subsidiary	39,112				34,705
Equity securities	879				872
Other assets	39				85
Total assets	40,180				35,721
Accounts payable and other liabilities	43				28
STOCKHOLDERS' EQUITY	40,137				35,693
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 40,180				$ 35,721