COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Contingent obligations	$ 17.2
Minimum
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments period to make fixed-rate commercial draw notes (months)	3 months
Minimum | Fixed Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Interest rate on fixed-rate commitments to make loans	5.00%
Maturity period of fixed-rate commitments to make loans (years)	3 years
Interest rate on fixed-rate commitments to make commercial draw notes (in hundredths)	2.79%
Maximum
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments period to make real estate and home equity loans (days)	60 days
Commitments period to make fixed-rate commercial draw notes (months)	24 months
Off-balance sheet financial instruments, standard term	12 months
Maximum | Fixed Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Interest rate on fixed-rate commitments to make loans	7.25%
Maturity period of fixed-rate commitments to make loans (years)	30 years
Interest rate on fixed-rate commitments to make commercial draw notes (in hundredths)	6.91%