LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Allowance for Loan and Lease Losses (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance			$ 36,511
Credit Loss Expense	$ 5,220	$ 4,284	7,349	$ 4,912
Charge-offs			(7,079)		$ (32,925)
Ending Balance	38,595		38,595		36,511
Loans Held for Investment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	34,783	38,691	36,511	40,714	40,714
Credit Loss Expense	5,028	4,249	6,895	5,047
Charge-offs	(1,539)	(9,690)	(7,079)	(27,953)
Recoveries	323	299	2,268	4,961
Initial ACL on Loans Purchased with Credit Deterioration	0	0	0	10,780
Ending Balance	38,595	33,549	38,595	33,549	36,511
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge-offs			(668)		(203)
Commercial real estate \| Loans Held for Investment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	4,244	4,198	4,713	3,825	3,825
Credit Loss Expense	3,749	306	3,900	733
Charge-offs	0	(36)	(668)	(157)
Recoveries	9	4	57	71
Initial ACL on Loans Purchased with Credit Deterioration	0	0	0	0
Ending Balance	8,002	4,472	8,002	4,472	4,713
Construction, land development, land
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge-offs			0		(250)
Construction, land development, land \| Loans Held for Investment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,919	2,589	2,970	2,873	2,873
Credit Loss Expense	(231)	(415)	(283)	(450)
Charge-offs	0	0	0	(250)
Recoveries	0	46	1	47
Initial ACL on Loans Purchased with Credit Deterioration	0	0	0	0
Ending Balance	2,688	2,220	2,688	2,220	2,970
1-4 family residential
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge-offs			(86)		(104)
1-4 family residential \| Loans Held for Investment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,086	1,560	1,927	1,404	1,404
Credit Loss Expense	828	243	1,033	442
Charge-offs	(12)	(58)	(86)	(104)
Recoveries	1	23	29	26
Initial ACL on Loans Purchased with Credit Deterioration	0	0	0	0
Ending Balance	2,903	1,768	2,903	1,768	1,927
Farmland
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge-offs			0		0
Farmland \| Loans Held for Investment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	301	302	298	386	386
Credit Loss Expense	89	(7)	92	(91)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Initial ACL on Loans Purchased with Credit Deterioration	0	0	0	0
Ending Balance	390	295	390	295	298
Commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge-offs			(2,562)		(25,146)
Commercial \| Loans Held for Investment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	11,450	17,813	14,947	21,419	21,419
Credit Loss Expense	(828)	1,724	(3,453)	2,486
Charge-offs	(329)	(5,424)	(2,562)	(20,927)
Recoveries	59	18	1,420	373
Initial ACL on Loans Purchased with Credit Deterioration	0	0	0	10,780
Ending Balance	10,352	14,131	10,352	14,131	14,947
Factored receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge-offs			(3,466)		(6,637)
Factored receivables \| Loans Held for Investment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	12,308	10,553	10,069	9,600	9,600
Credit Loss Expense	1,597	2,310	5,723	1,181
Charge-offs	(1,122)	(4,014)	(3,466)	(6,087)
Recoveries	237	183	694	4,338
Initial ACL on Loans Purchased with Credit Deterioration	0	0	0	0
Ending Balance	13,020	9,032	13,020	9,032	10,069
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge-offs			(297)		(585)
Consumer \| Loans Held for Investment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	413	466	429	185	185
Credit Loss Expense	(197)	114	(42)	584
Charge-offs	(76)	(158)	(297)	(428)
Recoveries	17	25	67	106
Initial ACL on Loans Purchased with Credit Deterioration	0	0	0	0
Ending Balance	157	447	157	447	429
Mortgage warehouse
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Charge-offs			0		0
Mortgage warehouse \| Loans Held for Investment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,062	1,210	1,158	1,022	1,022
Credit Loss Expense	21	(26)	(75)	162
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Initial ACL on Loans Purchased with Credit Deterioration	0	0	0	0
Ending Balance	$ 1,083	$ 1,184	$ 1,083	$ 1,184	$ 1,158

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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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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