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Loans and Allowance for Credit Losses - Individual and Collective Allowance for Credit Losses on Financing Receivables and Loan Balances (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
ACL Allocation | $ 42,213 | $ 95,739
Collateral dependent loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 59,001 | 129,356
ACL Allocation | 14,716 | 58,210
Commercial real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 2,298 | 12,616
ACL Allocation | 283 | 1,334
Construction, land development, land |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 987 | 2,317
ACL Allocation | 0 | 271
1-4 family residential |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 1,699 | 2,196
ACL Allocation | 39 | 34
Farmland |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 2,045 | 2,530
ACL Allocation | 0 | 0
Commercial |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 8,869 | 17,007
ACL Allocation | 1,733 | 5,163
Factored receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 42,863 | 92,437
ACL Allocation | 12,640 | 51,371
Consumer |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 240 | 253
ACL Allocation | 21 | 37
Mortgage warehouse |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
ACL Allocation | 0 | 0
Real Estate | Collateral dependent loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 6,770 | 20,721
Real Estate | Commercial real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 2,143 | 12,454
Real Estate | Construction, land development, land |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 987 | 2,317
Real Estate | 1-4 family residential |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 1,583 | 1,948
Real Estate | Farmland |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 1,803 | 2,189
Real Estate | Commercial |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 254 | 1,813
Real Estate | Factored receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Real Estate | Consumer |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Real Estate | Mortgage warehouse |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Accounts Receivable | Collateral dependent loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 42,863 | 92,437
Accounts Receivable | Commercial real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Accounts Receivable | Construction, land development, land |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Accounts Receivable | 1-4 family residential |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Accounts Receivable | Farmland |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Accounts Receivable | Commercial |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Accounts Receivable | Factored receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 42,863 | 92,437
Accounts Receivable | Consumer |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Accounts Receivable | Mortgage warehouse |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Equipment | Collateral dependent loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 5,724 | 5,985
Equipment | Commercial real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Equipment | Construction, land development, land |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Equipment | 1-4 family residential |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Equipment | Farmland |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 126 | 143
Equipment | Commercial |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 5,598 | 5,842
Equipment | Factored receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Equipment | Consumer |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Equipment | Mortgage warehouse |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Other | Collateral dependent loans |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 3,644 | 10,213
Other | Commercial real estate |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 155 | 162
Other | Construction, land development, land |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Other | 1-4 family residential |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 116 | 248
Other | Farmland |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 116 | 198
Other | Commercial |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 3,017 | 9,352
Other | Factored receivables |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 0 | 0
Other | Consumer |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | 240 | 253
Other | Mortgage warehouse |  |
Financing Receivable, Allowance for Credit Loss [Line Items] |  |
Financing receivable collateral dependent amortized cost | $ 0 | $ 0

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