JUNIATA VALLEY FINANCIAL CORP. (PARENT COMPANY ONLY) FINANCIAL INFORMATION (Schedule of Condensed Statements of Cash Flows) (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Net Income (Loss)	$ 1,791	$ 1,398	$ 1,733	$ 6,596	$ 7,064
Net cash provided by operating activities				7,865	9,936
Proceeds from the maturity of available for sale investment securities				5,470	27,918
Net cash received in acquisition				17,384	0
Net cash provided by investing activities				(1,186)	(62,676)
Cash dividends				(4,406)	(4,401)
Purchase of treasury stock				(324)	(3)
Treasury stock issued for stock plans				62	69
Net cash used in financing activities				11,252	50,213
Net increase (decrease) in cash and cash equivalents				17,931	(2,527)
Cash and cash equivalents at beginning of year			10,999	10,999	13,526
Cash and cash equivalents at end of period				28,930	10,999
Parent Company
Net Income (Loss)				6,596	7,064
Undistributed net income of subsidiary				(1,891)	(2,766)
Change in value of equity securities				(7)	42
Decrease (increase) in other assets				46	(47)
Increase in other liabilities				15	16
Net cash provided by operating activities				4,759	4,309
Proceeds from the maturity of available for sale investment securities					0
Net cash provided by investing activities					0
Cash dividends				(4,406)	(4,401)
Purchase of treasury stock				(324)	(3)
Treasury stock issued for stock plans				62	69
Net cash used in financing activities				(4,668)	(4,335)
Net increase (decrease) in cash and cash equivalents				91	(26)
Cash and cash equivalents at beginning of year			$ 59	59	85
Cash and cash equivalents at end of period				$ 150	$ 59