BORROWINGS (Short-Term Borrowings) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Borrowings [Abstract]
Securities sold under agreements to repurchase	$ 130,461	$ 142,837
Federal Funds Purchased	0	160,000
FHLB Advances	799,400	1,016,000
Total short-term borrowings	929,861	1,318,837
Average outstanding balance during the period	$ 698,391	$ 302,060
Average interest rate (during the period)	4.51%	1.79%
Average interest rate at end of period	4.96%	3.89%