LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Amortized Cost and Unpaid Principal for Loans Held for Investment (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized Cost	$ 4,986,922	$ 4,546,960
Unpaid Principal	5,000,927	4,552,777
Difference	(14,005)	(5,817)
Allowance for credit losses	(33,549)	(40,714)
Loans, net	4,953,373	4,506,246
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized Cost	769,314	777,689
Unpaid Principal	769,589	777,980
Difference	(275)	(291)
Construction, land development, land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized Cost	204,247	203,804
Unpaid Principal	204,483	204,268
Difference	(236)	(464)
1-4 family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized Cost	180,970	154,020
Unpaid Principal	180,211	153,711
Difference	759	309
Farmland
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized Cost	43,208	56,366
Unpaid Principal	43,278	56,450
Difference	(70)	(84)
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized Cost	1,144,872	1,119,245
Unpaid Principal	1,155,281	1,120,551
Difference	(10,409)	(1,306)
Factored receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized Cost	1,424,631	1,204,510
Unpaid Principal	1,428,388	1,208,486
Difference	(3,757)	(3,976)
Loans, net		19,361
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized Cost	17,235	8,000
Unpaid Principal	17,252	8,005
Difference	(17)	(5)
Mortgage warehouse
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized Cost	1,202,445	1,023,326
Unpaid Principal	1,202,445	1,023,326
Difference	$ 0	$ 0

Financing Receivable, Investment Net Of Unpaid Principal, Excluding Accrued Interest

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- Definition

Financing Receivable, Unpaid Principal, Excluding Accrued Interest

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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

+ References

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- Definition

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+ References

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

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