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Loans and Allowance for Credit Losses - Schedule of Amortized Cost and Unpaid Principal (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | $ 4,867,572 | $ 4,996,776
Unpaid Principal | 4,884,644 | 5,020,174
Difference | (17,072) | (23,398)
Allowance for credit losses | (42,213) | (95,739)
Loans, net | 4,825,359 | 4,901,037
Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 632,775 | 779,158
Unpaid Principal | 634,319 | 782,614
Difference | (1,544) | (3,456)
Construction, land development, land |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 123,464 | 219,647
Unpaid Principal | 123,643 | 220,021
Difference | (179) | (374)
1-4 family residential properties |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 123,115 | 157,147
Unpaid Principal | 123,443 | 157,731
Difference | (328) | (584)
Farmland |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 77,394 | 103,685
Unpaid Principal | 77,905 | 104,522
Difference | (511) | (837)
Commercial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 1,430,429 | 1,562,957
Unpaid Principal | 1,440,542 | 1,579,841
Difference | (10,113) | (16,884)
Factored receivables |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 1,699,537 | 1,120,770
Unpaid Principal | 1,703,936 | 1,122,008
Difference | (4,399) | (1,238)
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 10,885 | 15,838
Unpaid Principal | 10,883 | 15,863
Difference | 2 | (25)
Mortgage warehouse |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total | 769,973 | 1,037,574
Unpaid Principal | 769,973 | 1,037,574
Difference | $ 0 | $ 0

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