LOANS AND ALLOWANCE - Amortized Cost Basis of Collateral Dependent Loans (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	$ 65,702		$ 60,666
Allowance on Collateral Dependent Loans	189,537	$ 204,681	204,934	$ 221,147	$ 223,052	$ 223,277
Commercial and industrial loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	28,665		32,029
Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	5		7
Commercial real estate, non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	25,606		17,516
Commercial real estate, owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	9,951		9,452
Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	1,263		1,439
Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	212		223
Allowance on Collateral Dependent Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Increase (decrease) in individually evaluated for impairment	5,000
Increase (decrease) allowance for credit loss, recovery	(612)
Allowance on Collateral Dependent Loans	11,157		11,769
Allowance on Collateral Dependent Loans | Commercial and industrial loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Increase (decrease) in individually evaluated for impairment	(3,400)
Increase (decrease) allowance for credit loss, recovery	(3,000)
Allowance on Collateral Dependent Loans	8,442		11,474
Allowance on Collateral Dependent Loans | Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance on Collateral Dependent Loans	0		0
Allowance on Collateral Dependent Loans | Commercial real estate, non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Increase (decrease) in individually evaluated for impairment	8,100
Increase (decrease) allowance for credit loss, recovery	2,400
Allowance on Collateral Dependent Loans	2,483		35
Allowance on Collateral Dependent Loans | Commercial real estate, owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance on Collateral Dependent Loans	0		0
Allowance on Collateral Dependent Loans | Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance on Collateral Dependent Loans	204		230
Allowance on Collateral Dependent Loans | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance on Collateral Dependent Loans	28		30
Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	35,557		26,968
Commercial Real Estate | Commercial and industrial loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Commercial Real Estate | Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Commercial Real Estate | Commercial real estate, non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	25,606		17,516
Commercial Real Estate | Commercial real estate, owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	9,951		9,452
Commercial Real Estate | Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Commercial Real Estate | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Residential Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	1,480		1,669
Residential Real Estate | Commercial and industrial loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Residential Real Estate | Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	5		7
Residential Real Estate | Commercial real estate, non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Residential Real Estate | Commercial real estate, owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Residential Real Estate | Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	1,263		1,439
Residential Real Estate | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	212		223
Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	28,665		32,029
Other | Commercial and industrial loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	28,665		32,029
Other | Construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Other | Commercial real estate, non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Other | Commercial real estate, owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Other | Residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	0		0
Other | Home equity
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually evaluated for impairment	$ 0		$ 0