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Loans and Allowance for Credit Losses - Summary of Amortized Cost of Loans Currently in Deferral (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	$ 4,867,572	$ 4,120,291
Balance of Loans Currently in Deferral	$ 31,896
Percentage of Portfolio	0.70%
Accrued Interest Receivable	$ 124
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	632,775	678,144
Balance of Loans Currently in Deferral	$ 30,212
Percentage of Portfolio	4.80%
Accrued Interest Receivable	$ 116
Construction, land development, land
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	123,464	90,976
Balance of Loans Currently in Deferral	$ 1,340
Percentage of Portfolio	1.10%
Accrued Interest Receivable	$ 5
1-4 family residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	123,115	125,981
Balance of Loans Currently in Deferral	$ 0
Percentage of Portfolio	0.00%
Accrued Interest Receivable	$ 0
Farmland
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	77,394	68,934
Balance of Loans Currently in Deferral	$ 338
Percentage of Portfolio	0.40%
Accrued Interest Receivable	$ 3
Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	1,430,429	1,251,110
Balance of Loans Currently in Deferral	$ 0
Percentage of Portfolio	0.00%
Accrued Interest Receivable	$ 0
Factored receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	1,699,537	1,237,449
Balance of Loans Currently in Deferral	$ 0
Percentage of Portfolio	0.00%
Accrued Interest Receivable	$ 0
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	10,885	8,868
Balance of Loans Currently in Deferral	$ 6
Percentage of Portfolio	0.10%
Accrued Interest Receivable	$ 0
Mortgage warehouse
Financing Receivable, Allowance for Credit Loss [Line Items]
Total	769,973	$ 658,829
Balance of Loans Currently in Deferral	$ 0
Percentage of Portfolio	0.00%
Accrued Interest Receivable	$ 0

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
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-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-Section 45
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-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-Section 50
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-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

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