LOANS AND ALLOWANCE FOR CREDIT LOSSES - Changes in Allowance for Loan Losses by Loan Segment (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 192,757	$ 204,934
Provision for credit losses - loans	4,200	2,000
Recoveries on loans	1,256	900
Loans charged off	(6,182)	(3,153)
Ending balance	192,031	204,681
Commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	94,757	97,348
Provision for credit losses - loans	9,154	3,145
Recoveries on loans	938	551
Loans charged off	(4,867)	(1,831)
Ending balance	99,982	99,213
Commercial Real Estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	51,099	44,048
Provision for credit losses - loans	(4,367)	1,528
Recoveries on loans	5	53
Loans charged off	(401)	(351)
Ending balance	46,336	45,278
Construction
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	9,784	24,823
Provision for credit losses - loans	1,757	(4,454)
Recoveries on loans	0	0
Loans charged off	0	0
Ending balance	11,541	20,369
Consumer & Residential
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	37,117	38,715
Provision for credit losses - loans	(2,344)	1,781
Recoveries on loans	313	296
Loans charged off	(914)	(971)
Ending balance	$ 34,172	$ 39,821

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount of credit loss expense (reversal of expense) for financing receivable.

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