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Loans and Allowance for Loan and Lease Losses - Summary of Contractually Past Due and Nonaccrual Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Accounts Notes And Loans Receivable [Line Items] |  |
30-89 Days Past Due | $ 34,214 | $ 19,063
Past Due 90 Days or More Still Accruing | 3,204 | 1,940
Nonaccrual | 38,210 | 10,094
Total Past Due | 75,628 | 31,097
Purchased Credit Impaired Loans |  |
Accounts Notes And Loans Receivable [Line Items] |  |
30-89 Days Past Due | 2,127 | 1,092
Past Due 90 Days or More Still Accruing | 150 |
Nonaccrual | 11,101 | 6,867
Total Past Due | 13,378 | 7,959
Commercial real estate |  |
Accounts Notes And Loans Receivable [Line Items] |  |
30-89 Days Past Due | 625 | 693
Past Due 90 Days or More Still Accruing | 210 |
Nonaccrual | 676 | 673
Total Past Due | 1,511 | 1,366
Construction, land development, land |  |
Accounts Notes And Loans Receivable [Line Items] |  |
30-89 Days Past Due | 199 |
Past Due 90 Days or More Still Accruing | 156 |
Nonaccrual | 276 |
Total Past Due | 631 |
1-4 family residential properties |  |
Accounts Notes And Loans Receivable [Line Items] |  |
30-89 Days Past Due | 1,043 | 909
Past Due 90 Days or More Still Accruing | 24 | 9
Nonaccrual | 1,083 | 533
Total Past Due | 2,150 | 1,451
Farmland |  |
Accounts Notes And Loans Receivable [Line Items] |  |
30-89 Days Past Due | 996 |
Total Past Due | 996 |
Commercial Loans |  |
Accounts Notes And Loans Receivable [Line Items] |  |
30-89 Days Past Due | 18,411 | 3,704
Past Due 90 Days or More Still Accruing | 556 |
Nonaccrual | 25,019 | 2,021
Total Past Due | 43,986 | 5,725
Factored receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
30-89 Days Past Due | 10,185 | 12,379
Past Due 90 Days or More Still Accruing | 2,063 | 1,931
Total Past Due | 12,248 | 14,310
Consumer |  |
Accounts Notes And Loans Receivable [Line Items] |  |
30-89 Days Past Due | 628 | 286
Past Due 90 Days or More Still Accruing | 45 |
Nonaccrual | 55 |
Total Past Due | $ 728 | $ 286

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