BORROWINGS - Short-term Borrowings - Narrative (Details) - note	3 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Short-Term Debt [Line Items]
Debt, weighted average interest rate (as a percent)	2.40%	2.22%
FHLB advances maturing in less than one year from date of origination, and the current portion of long-term FHLB advances due within 12 months
Short-Term Debt [Line Items]
Number of notes	2
Debt, weighted average interest rate (as a percent)	3.80%
Debt, weighted average maturity period	1 day
Minimum
Short-Term Debt [Line Items]
Short-term borrowings, mature period	1 day
Maximum
Short-Term Debt [Line Items]
Short-term borrowings, mature period	90 days