SECURITIES - Equity Securities (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023 USD ($) security	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) security	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) security
Equity Securities
Equity Securities, FV-NI, Unrealized Gain (Loss)	$ (27,000)	$ (38,000)	$ (27,000)	$ (114,000)
Mutual Fund
Equity Securities
Number of mutual funds | security	1		1		1
Net gains recognized during the period on equity securities			$ 168,000		$ (141,000)
Other assets
Equity Securities
Federal Home Loan Bank Stock	$ 6,243,000		6,243,000
Marketable equity security	832,000		832,000		859,000
Other assets | Federal Home Loan Bank of Pittsburgh
Equity Securities
Federal Home Loan Bank Stock	$ 14,570,000		$ 14,570,000		$ 14,168,000