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Loans and Allowance for Credit Losses - Schedule of Amortized Cost and Unpaid Principal for Impaired Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized Cost | $ 4,371,528 | $ 4,120,291
Unpaid Principal | 4,383,979 | 4,136,981
Difference | (12,451) | (16,690)
Allowance for credit losses | (34,815) | (42,807)
Loans, net | 4,336,713 | 4,077,484
Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized Cost | 817,064 | 678,144
Unpaid Principal | 818,140 | 679,239
Difference | (1,076) | (1,095)
Construction, land development, land |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized Cost | 131,862 | 90,976
Unpaid Principal | 132,413 | 91,147
Difference | (551) | (171)
1-4 family residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized Cost | 129,588 | 125,981
Unpaid Principal | 129,768 | 126,185
Difference | (180) | (204)
Farmland |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized Cost | 62,698 | 68,934
Unpaid Principal | 62,871 | 69,185
Difference | (173) | (251)
Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized Cost | 1,251,939 | 1,251,110
Unpaid Principal | 1,258,981 | 1,262,493
Difference | (7,042) | (11,383)
Factored receivables |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized Cost | 1,213,702 | 1,237,449
Unpaid Principal | 1,217,129 | 1,241,032
Difference | (3,427) | (3,583)
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized Cost | 8,166 | 8,868
Unpaid Principal | 8,168 | 8,871
Difference | (2) | (3)
Mortgage warehouse |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized Cost | 756,509 | 658,829
Unpaid Principal | 756,509 | 658,829
Difference | $ 0 | $ 0

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