LOANS AND ALLOWANCE FOR CREDIT LOSSES - Carrying Amounts of Loans Purchased and Sold (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Carrying Amounts of Loans Purchased and Sold
Purchases	$ 437,019
Sales	5,309
Business Lending
Carrying Amounts of Loans Purchased and Sold
Purchases	125,288
Sales	0
Consumer Mortgage
Carrying Amounts of Loans Purchased and Sold
Purchases	271,408
Sales	5,309
Consumer Indirect
Carrying Amounts of Loans Purchased and Sold
Purchases	9,383
Sales	0
Consumer Direct
Carrying Amounts of Loans Purchased and Sold
Purchases	12,511
Sales	0
Home Equity
Carrying Amounts of Loans Purchased and Sold
Purchases	18,429
Sales	$ 0