BORROWINGS (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Short-term Debt [Line Items]
FHLB stock, required collateral	$ 25,800,000	$ 10,900,000
FHLB borrowing capacity	629,900,000
Borrowings	622,255,000	376,117,000
Retail Repurchase Agreements
Short-term Debt [Line Items]
Borrowings	$ 42,447,000	$ 95,303,000
Debt term	12 months	12 months
Advances from the federal discount window
Short-term Debt [Line Items]
Borrowing capacity	$ 1,920,000,000
Borrowings	0	$ 224,000,000
Remaining borrowing capacity	1,920,000,000
Advances from the federal discount window | Asset Pledged as Collateral without Right
Short-term Debt [Line Items]
Pledged securities	2,630,000,000
Revolving Credit Facility
Short-term Debt [Line Items]
Borrowing capacity	100,000,000
Borrowings	$ 0	$ 0