LOANS - Summary of Changes in the ACL on Loans (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Changes in allowance for credit losses on loans
Balance, beginning of period	$ 67,875	$ 105,176	$ 69,219	$ 111,204
Provision for credit losses on loans	7,109	17,369	12,512	28,219
Charge-offs	(13,276)	(33,384)	(20,909)	(51,380)
Recoveries	811	3,529	1,697	4,647
Balance, end of period	62,519	92,690	62,519	92,690
Commercial Loan Portfolio
Changes in allowance for credit losses on loans
Charge-offs	(12,393)	(28,614)	(18,328)	(42,637)
Commercial Loan Portfolio \| Commercial
Changes in allowance for credit losses on loans
Balance, beginning of period	24,577	33,554	23,676	42,776
Provision for credit losses on loans	1,976	5,773	4,465	9,355
Charge-offs	(3,564)	(6,161)	(5,626)	(19,461)
Recoveries	153	1,013	627	1,509
Balance, end of period	23,142	34,179	23,142	34,179
Commercial Loan Portfolio \| Commercial real estate
Changes in allowance for credit losses on loans
Balance, beginning of period	27,653	39,069	28,284	36,837
Provision for credit losses on loans	6,120	10,186	9,326	13,139
Charge-offs	(8,829)	(22,453)	(12,667)	(23,176)
Recoveries	382	637	383	639
Balance, end of period	25,326	27,439	25,326	27,439
Commercial Loan Portfolio \| Construction and land development
Changes in allowance for credit losses on loans
Balance, beginning of period	2,568	3,021	2,619	3,550
Provision for credit losses on loans	(558)	(1,181)	(574)	(1,711)
Charge-offs	0	0	(35)	0
Recoveries	0	1,029	0	1,030
Balance, end of period	2,010	2,869	2,010	2,869
Residential loans held for sale \| Residential real estate
Changes in allowance for credit losses on loans
Balance, beginning of period	6,203	7,874	6,652	8,002
Provision for credit losses on loans	(669)	(860)	(1,128)	(934)
Charge-offs	0	0	(65)	(72)
Recoveries	70	90	145	108
Balance, end of period	5,604	7,104	5,604	7,104
Consumer \| Consumer
Changes in allowance for credit losses on loans
Balance, beginning of period	4,203	5,935	4,804	5,400
Provision for credit losses on loans	100	296	237	1,236
Charge-offs	(549)	(884)	(1,445)	(1,337)
Recoveries	139	357	297	405
Balance, end of period	3,893	5,704	3,893	5,704
Lease financing
Changes in allowance for credit losses on loans
Balance, beginning of period	2,671	15,723	3,184	14,639
Provision for credit losses on loans	140	3,155	186	7,134
Charge-offs	(334)	(3,886)	(1,071)	(7,334)
Recoveries	67	403	245	956
Balance, end of period	$ 2,544	$ 15,395	$ 2,544	$ 15,395

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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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 (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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