GOODWILL AND OTHER INTANGIBLE ASSETS (Amortization Schedule for Intangible Assets) (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	May 12, 2023	Apr. 30, 2018	Nov. 30, 2015
Finite-Lived Intangible Assets
Amortization of intangible assets	$ 22,000	$ 11,000
Path Valley Branch office Acquisition
Finite-Lived Intangible Assets
Beginning Balance at Acquisition Date					$ 303,000
Amortization of intangible assets	13,000	0
Path Valley Branch office Acquisition | Core Deposits
Finite-Lived Intangible Assets
Beginning Balance at Acquisition Date					$ 303,000
Amortization of intangible assets	13,000		$ 37,000
Unamortized balance	253,000		266,000
Scheduled remaining amortization expense for years ended:
December 31, 2024	38,000
December 31, 2025	46,000
December 31, 2026	40,000
December 31, 2027	35,000
December 31, 2028	29,000
Thereafter	65,000
FNBPA Bancorp, Inc
Finite-Lived Intangible Assets
Beginning Balance at Acquisition Date							$ 303,000
Amortization of intangible assets	3,000	4,000
FNBPA Bancorp, Inc | Core Deposits
Finite-Lived Intangible Assets
Beginning Balance at Acquisition Date							$ 303,000
Amortization of intangible assets	3,000		37,000	$ 250,000
Unamortized balance	13,000		16,000
Scheduled remaining amortization expense for years ended:
December 31, 2024	8,000
December 31, 2025	5,000
Liverpool Community Bank
Finite-Lived Intangible Assets
Beginning Balance at Acquisition Date						$ 289,000
Amortization of intangible assets	6,000	$ 7,000
Liverpool Community Bank | Core Deposits
Finite-Lived Intangible Assets
Beginning Balance at Acquisition Date						$ 289,000
Amortization of intangible assets	6,000		61,000	$ 167,000
Unamortized balance	55,000		$ 61,000
Scheduled remaining amortization expense for years ended:
December 31, 2024	17,000
December 31, 2025	17,000
December 31, 2026	12,000
December 31, 2027	7,000
December 31, 2028	$ 2,000