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Loans and Allowance for Credit Losses - Summary of Allowance for Loan and Lease Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance | $ 95,739 |  |
Credit loss expense (benefit) | (8,830) | $ 38,329 | $ 7,942
Ending Balance | 42,213 | 95,739 |
Loans Held for Investment |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance | 95,739 | 29,092 | 27,571
Credit loss expense (benefit) | (7,964) | 33,981 | 7,942
Charge-offs | (46,946) | (6,488) | (7,484)
Recoveries | 1,384 | 1,919 | 1,063
Initial ACL on Loans Purchased with Credit Deterioration |  | 37,415 |
Reclassification To Held For Sale |  | (449) |
Ending Balance | 42,213 | 95,739 | 29,092
Cumulative Effect, Period of Adoption, Adjustment |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance |  | 269 |
Ending Balance |  |  | 269
Cumulative Effect, Period of Adoption, Adjustment | Loans Held for Investment | ASU 2016-13 |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Impact of Adopting ASC 326 |  | 269 |
Commercial real estate | Loans Held for Investment |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance | 10,182 | 5,353 | 4,493
Credit loss expense (benefit) | (6,214) | 3,607 | 1,163
Charge-offs | (17) | (320) | (304)
Recoveries | 10 | 170 | 1
Initial ACL on Loans Purchased with Credit Deterioration |  | 0 |
Reclassification To Held For Sale |  | 0 |
Ending Balance | 3,961 | 10,182 | 5,353
Commercial real estate | Cumulative Effect, Period of Adoption, Adjustment | Loans Held for Investment | ASU 2016-13 |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Impact of Adopting ASC 326 |  | 1,372 |
Construction, land development, land | Loans Held for Investment |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance | 3,418 | 1,382 | 1,134
Credit loss expense (benefit) | (2,584) | 2,005 | 234
Charge-offs | (12) | (23) | (78)
Recoveries | 5 | 241 | 92
Initial ACL on Loans Purchased with Credit Deterioration |  | 0 |
Reclassification To Held For Sale |  | 0 |
Ending Balance | 827 | 3,418 | 1,382
Construction, land development, land | Cumulative Effect, Period of Adoption, Adjustment | Loans Held for Investment | ASU 2016-13 |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Impact of Adopting ASC 326 |  | (187) |
1-4 family residential properties | Loans Held for Investment |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance | 1,225 | 308 | 317
Credit loss expense (benefit) | (849) | 378 | 71
Charge-offs | (34) | (27) | (141)
Recoveries | 126 | 53 | 61
Initial ACL on Loans Purchased with Credit Deterioration |  | 0 |
Reclassification To Held For Sale |  | 0 |
Ending Balance | 468 | 1,225 | 308
1-4 family residential properties | Cumulative Effect, Period of Adoption, Adjustment | Loans Held for Investment | ASU 2016-13 |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Impact of Adopting ASC 326 |  | 513 |
Farmland | Loans Held for Investment |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance | 832 | 670 | 535
Credit loss expense (benefit) | (270) | (355) | 400
Charge-offs | 0 | 0 | (265)
Recoveries | 0 | 80 | 0
Initial ACL on Loans Purchased with Credit Deterioration |  | 0 |
Reclassification To Held For Sale |  | 0 |
Ending Balance | 562 | 832 | 670
Farmland | Cumulative Effect, Period of Adoption, Adjustment | Loans Held for Investment | ASU 2016-13 |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Impact of Adopting ASC 326 |  | 437 |
Commercial | Loans Held for Investment |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance | 22,040 | 12,566 | 12,865
Credit loss expense (benefit) | (7,725) | 11,336 | 2,580
Charge-offs | (481) | (2,344) | (3,326)
Recoveries | 651 | 1,115 | 447
Initial ACL on Loans Purchased with Credit Deterioration |  | 0 |
Reclassification To Held For Sale |  | (449) |
Ending Balance | 14,485 | 22,040 | 12,566
Commercial | Cumulative Effect, Period of Adoption, Adjustment | Loans Held for Investment | ASU 2016-13 |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Impact of Adopting ASC 326 |  | (184) |
Factored receivables | Loans Held for Investment |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance | 56,463 | 7,657 | 7,299
Credit loss expense (benefit) | 10,038 | 16,079 | 2,556
Charge-offs | (46,043) | (3,201) | (2,494)
Recoveries | 457 | 143 | 296
Initial ACL on Loans Purchased with Credit Deterioration |  | 37,415 |
Reclassification To Held For Sale |  | 0 |
Ending Balance | 20,915 | 56,463 | 7,657
Factored receivables | Cumulative Effect, Period of Adoption, Adjustment | Loans Held for Investment | ASU 2016-13 |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Impact of Adopting ASC 326 |  | (1,630) |
Consumer | Loans Held for Investment |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance | 542 | 488 | 615
Credit loss expense (benefit) | (92) | 562 | 583
Charge-offs | (359) | (573) | (876)
Recoveries | 135 | 117 | 166
Initial ACL on Loans Purchased with Credit Deterioration |  | 0 |
Reclassification To Held For Sale |  | 0 |
Ending Balance | 226 | 542 | 488
Consumer | Cumulative Effect, Period of Adoption, Adjustment | Loans Held for Investment | ASU 2016-13 |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Impact of Adopting ASC 326 |  | (52) |
Mortgage warehouse | Loans Held for Investment |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning Balance | 1,037 | 668 | 313
Credit loss expense (benefit) | (268) | 369 | 355
Charge-offs | 0 | 0 | 0
Recoveries | 0 | 0 | 0
Initial ACL on Loans Purchased with Credit Deterioration |  | 0 |
Reclassification To Held For Sale |  | 0 |
Ending Balance | $ 769 | 1,037 | $ 668
Mortgage warehouse | Cumulative Effect, Period of Adoption, Adjustment | Loans Held for Investment | ASU 2016-13 |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Impact of Adopting ASC 326 |  | $ 0 |

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