SECURITIES - Securities carrying amount (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($) security	Dec. 31, 2021 USD ($) security	Sep. 30, 2021 USD ($)
SECURITIES.
Carrying amount of securities sold in the period	$ 0		$ 0
Carrying value of securities pledged	25,400,000	$ 25,600,000
Securities, ACL recorded	0
Accrued interest receivable for securities	$ 1,700,000	$ 2,000,000.0
Securities held in a gross unrealized loss position | security	472	115