PARENT COMPANY ONLY - Condensed Income Statement (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income before equity in undistributed income (excess distributions) of subsidiaries	$ 32,350	$ 37,687	$ 23,212
NET INCOME	26,618	30,554	19,222
Parent Company
Dividends from Citizens & Northern Bank	19,483	20,200	38,507
Expenses	(1,695)	(1,691)	(1,488)
Income before equity in undistributed income (excess distributions) of subsidiaries	17,788	18,509	37,019
Equity in undistributed income (excess distributions) of subsidiaries	8,830	12,045	(17,797)
NET INCOME	$ 26,618	$ 30,554	$ 19,222