LOANS - Summary of Changes in the ACL on Loans (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Changes in allowance for credit losses on loans
Balance, beginning of period	$ 105,176	$ 160,844	$ 111,204	$ 159,319
Provision for credit losses on loans	17,369	8,482	28,219	28,424
Charge-offs	(33,384)	(16,265)	(51,380)	(35,273)
Recoveries	3,529	2,382	4,647	2,973
Balance, end of period	92,690	155,443	92,690	155,443
Commercial Loan Portfolio
Changes in allowance for credit losses on loans
Charge-offs	(28,614)	(3,843)	(42,637)	(9,394)
Commercial Loan Portfolio \| Commercial
Changes in allowance for credit losses on loans
Balance, beginning of period	33,554	26,704	42,776	29,672
Provision for credit losses on loans	5,773	9,217	9,355	10,993
Charge-offs	(6,161)	(3,838)	(19,461)	(8,698)
Recoveries	1,013	153	1,509	269
Balance, end of period	34,179	32,236	34,179	32,236
Commercial Loan Portfolio \| Commercial real estate
Changes in allowance for credit losses on loans
Balance, beginning of period	39,069	21,367	36,837	20,229
Provision for credit losses on loans	10,186	(1,253)	13,139	424
Charge-offs	(22,453)	(5)	(23,176)	(696)
Recoveries	637	2,088	639	2,240
Balance, end of period	27,439	22,197	27,439	22,197
Commercial Loan Portfolio \| Construction and land development
Changes in allowance for credit losses on loans
Balance, beginning of period	3,021	12,629	3,550	4,163
Provision for credit losses on loans	(1,181)	336	(1,711)	8,802
Charge-offs	0	0	0	0
Recoveries	1,029	1	1,030	1
Balance, end of period	2,869	12,966	2,869	12,966
Residential real estate: \| Residential real estate
Changes in allowance for credit losses on loans
Balance, beginning of period	7,874	5,655	8,002	5,553
Provision for credit losses on loans	(860)	(475)	(934)	(393)
Charge-offs	0	0	(72)	(35)
Recoveries	90	13	108	68
Balance, end of period	7,104	5,193	7,104	5,193
Consumer: \| Consumer
Changes in allowance for credit losses on loans
Balance, beginning of period	5,935	81,023	5,400	86,762
Provision for credit losses on loans	296	(1,185)	1,236	4,746
Charge-offs	(884)	(10,338)	(1,337)	(22,095)
Recoveries	357	63	405	150
Balance, end of period	5,704	69,563	5,704	69,563
Lease financing
Changes in allowance for credit losses on loans
Balance, beginning of period	15,723	13,466	14,639	12,940
Provision for credit losses on loans	3,155	1,842	7,134	3,852
Charge-offs	(3,886)	(2,084)	(7,334)	(3,749)
Recoveries	403	64	956	245
Balance, end of period	$ 15,395	$ 13,288	$ 15,395	$ 13,288

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-22

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