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Loans and Allowance for Loan and Lease Losses - Summary of Information Pertaining to Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2016
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | $ 17,739 |  | $ 17,739 |  | $ 19,525
Unpaid Principal, With Valuation Allowance | 18,662 |  | 18,662 |  | 19,525
Related Allowance, With Valuation Allowance | 4,348 |  | 4,348 |  | 4,128
Recorded Investment, Without Valuation Allowance | 15,023 |  | 15,023 |  | 21,528
Unpaid Principal, Without Valuation Allowance | 15,357 |  | 15,357 |  | 21,845
Average Impaired Loans | 34,907 | $ 19,929 | 36,904 | $ 16,520 |
Interest Recognized | 125 | 73 | 258 | 253 |
Purchased Credit Impaired Loans |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | 285 |  | 285 |  | 525
Unpaid Principal, With Valuation Allowance | 1,114 |  | 1,114 |  | 525
Related Allowance, With Valuation Allowance | 285 |  | 285 |  | 355
Average Impaired Loans | 1,494 | 1,432 | 405 | 983 |
Commercial real estate |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | 169 |  | 169 |  | 517
Unpaid Principal, With Valuation Allowance | 170 |  | 170 |  | 517
Related Allowance, With Valuation Allowance | 126 |  | 126 |  | 100
Recorded Investment, Without Valuation Allowance | 693 |  | 693 |  | 939
Unpaid Principal, Without Valuation Allowance | 726 |  | 726 |  | 1,011
Average Impaired Loans | 793 | 702 | 1,159 | 706 |
Interest Recognized | 1 |  | 1 |  |
Construction, land development, land |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance |  |  |  |  | 277
Unpaid Principal, With Valuation Allowance |  |  |  |  | 275
Related Allowance, With Valuation Allowance |  |  |  |  | 25
Recorded Investment, Without Valuation Allowance | 134 |  | 134 |  | 85
Unpaid Principal, Without Valuation Allowance | 134 |  | 134 |  | 86
Average Impaired Loans | 275 | 138 | 248 | 138 |
Interest Recognized |  |  |  | 2 |
1-4 family residential properties |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance |  |  |  |  | 8
Unpaid Principal, With Valuation Allowance |  |  |  |  | 14
Related Allowance, With Valuation Allowance |  |  |  |  | 1
Recorded Investment, Without Valuation Allowance | 1,710 |  | 1,710 |  | 1,087
Unpaid Principal, Without Valuation Allowance | 1,834 |  | 1,834 |  | 1,215
Average Impaired Loans | 1,488 | 779 | 1,402 | 775 |
Interest Recognized | 6 |  | 7 | 4 |
Farmland |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, Without Valuation Allowance | 3,480 |  | 3,480 |  | 1,333
Unpaid Principal, Without Valuation Allowance | 3,563 |  | 3,563 |  | 1,364
Average Impaired Loans | 3,200 |  | 2,406 |  |
Interest Recognized | 9 |  | 18 |  |
Commercial Loans |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | 13,990 |  | 13,990 |  | 15,022
Unpaid Principal, With Valuation Allowance | 14,083 |  | 14,083 |  | 15,018
Related Allowance, With Valuation Allowance | 2,387 |  | 2,387 |  | 2,101
Recorded Investment, Without Valuation Allowance | 8,896 |  | 8,896 |  | 18,011
Unpaid Principal, Without Valuation Allowance | 8,991 |  | 8,991 |  | 18,096
Average Impaired Loans | 24,023 | 12,769 | 27,960 | 10,593 |
Interest Recognized | 109 | 73 | 232 | 247 |
Factored receivables |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, With Valuation Allowance | 3,295 |  | 3,295 |  | 3,176
Unpaid Principal, With Valuation Allowance | 3,295 |  | 3,295 |  | 3,176
Related Allowance, With Valuation Allowance | 1,550 |  | 1,550 |  | 1,546
Average Impaired Loans | 3,512 | 4,074 | 3,235 | 3,309 |
Consumer |  |  |  |  |
Financing Receivable Impaired [Line Items] |  |  |  |  |
Recorded Investment, Without Valuation Allowance | 110 |  | 110 |  | 73
Unpaid Principal, Without Valuation Allowance | 109 |  | 109 |  | $ 73
Average Impaired Loans | $ 122 | $ 35 | $ 89 | $ 16 |

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