FAIR VALUES OF FINANCIAL INSTRUMENTS - Reconciliation of Beginning and Ending Balances of Recurring Fair Value Measurements using Significant Unobservable Level 3 Inputs (Details) - Recurring - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Available for Sale Securities
Balance at beginning of the period	$ 3,348	$ 8,630	$ 3,439	$ 5,491
Included in other comprehensive income	(30)	29	(28)	(597)
Purchases, issuances and settlements	0	0	0	5,111
Principal payments	(90)	(3,152)	(183)	(4,498)
Ending balance	$ 3,228	$ 5,507	$ 3,228	$ 5,507