FAIR VALUE DISCLOSURES - Summary of Financial Assets and Liabilities Measure at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Assets
Investment securities available-for-sale	$ 3,260,981		$ 3,183,776
Loans Held-for-sale, Fair Value Disclosure	17,900		13,200
Derivative Asset	302,229		397,104
Liabilities
Derivative liabilities	300,661		397,385
Fair Value, Option, Changes in Fair Value, Gain (Loss)	500	$ 500
Financing Receivable, Held-for-Sale	16,600		12,400
Fair Value, Option, Aggregate Differences, Loans and Long-term Receivables	1,300		800
Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	3,260,981		3,183,776
Derivative Asset			102,152
Total	3,580,495		3,594,072
Liabilities
Total	300,316		397,460
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 | Fair value
Assets
Loans Held-for-sale, Fair Value Disclosure	0		0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1
Assets
Investment securities available-for-sale	93		91
Derivative Asset			0
Total	93		91
Liabilities
Total	0		0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 | Fair value
Assets
Loans Held-for-sale, Fair Value Disclosure	17,927		13,181
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2
Assets
Investment securities available-for-sale	3,217,550		3,139,503
Derivative Asset			102,152
Total	3,537,064		3,549,799
Liabilities
Total	300,316		397,460
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 | Fair value
Assets
Loans Held-for-sale, Fair Value Disclosure	0		0
Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3
Assets
Investment securities available-for-sale	43,338		44,182
Derivative Asset			0
Total	43,338		44,182
Liabilities
Total	0		0
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1, 2 and 3
Assets
Loans Held-for-sale, Fair Value Disclosure	17,927		13,181
Interest Rate Contract [Member] | Fair Value, Measurements, Recurring
Assets
Derivative Asset	83,805
Liabilities
Derivative liabilities	84,147		102,265
Interest Rate Contract [Member] | Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1
Assets
Derivative Asset	0
Liabilities
Derivative liabilities	0		0
Interest Rate Contract [Member] | Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2
Assets
Derivative Asset	83,805
Liabilities
Derivative liabilities	84,147		102,265
Interest Rate Contract [Member] | Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3
Assets
Derivative Asset	0
Liabilities
Derivative liabilities	0		0
Foreign Exchange | Fair Value, Measurements, Recurring
Assets
Derivative Asset	216,113		294,418
Liabilities
Derivative liabilities	216,113		294,418
Foreign Exchange | Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1
Assets
Derivative Asset	0		0
Liabilities
Derivative liabilities	0		0
Foreign Exchange | Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2
Assets
Derivative Asset	216,113		294,418
Liabilities
Derivative liabilities	216,113		294,418
Foreign Exchange | Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3
Assets
Derivative Asset	0		0
Liabilities
Derivative liabilities	0		0
Cash Flow Hedging | Fair Value, Measurements, Recurring
Assets
Derivative Asset	1,613		387
Liabilities
Derivative liabilities			619
Cash Flow Hedging | Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1
Assets
Derivative Asset	0		0
Liabilities
Derivative liabilities			0
Cash Flow Hedging | Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2
Assets
Derivative Asset	1,613		387
Liabilities
Derivative liabilities			619
Cash Flow Hedging | Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3
Assets
Derivative Asset	0		0
Liabilities
Derivative liabilities			0
Commodity | Fair Value, Measurements, Recurring
Assets
Derivative Asset	56		158
Liabilities
Derivative liabilities	56		158
Commodity | Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1
Assets
Derivative Asset	0		0
Liabilities
Derivative liabilities	0		0
Commodity | Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2
Assets
Derivative Asset	56		158
Liabilities
Derivative liabilities	56		158
Commodity | Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3
Assets
Derivative Asset	0		0
Liabilities
Derivative liabilities	$ 0		$ 0