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Loans, Allowance for Credit Losses, and Asset Quality Information - Schedule of Activity in Allowance for Loan Losses for Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | $ 82,069 | $ 65,849 | $ 78,789 | $ 52,388 | $ 52,388
Allowance for acquired PCD loans |  |  |  |  | 4,895
Charge-offs | (1,760) | (2,131) | (2,803) | (4,448) | (7,602)
Recoveries | 1,872 | 1,304 | 2,695 | 2,507 | 4,922
Provisions/(Reversals) | 0 | 0 | 3,500 | 0 | 9,611
Ending balance | 82,181 | 65,022 | 82,181 | 65,022 | 78,789
Cumulative Effect, Period Of Adoption, Adjustment |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance |  |  |  | 14,575 | 14,575
Commercial, financial, and agricultural |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 16,013 | 13,606 | 16,249 | 11,316 | 11,316
Allowance for acquired PCD loans |  |  |  |  | 2,917
Charge-offs | (728) | (550) | (1,518) | (1,988) | (3,722)
Recoveries | 223 | 153 | 470 | 667 | 1,744
Provisions/(Reversals) | (58) | 1,600 | 249 | 1,747 | 927
Ending balance | 15,450 | 14,809 | 15,450 | 14,809 | 16,249
Commercial, financial, and agricultural | Cumulative Effect, Period Of Adoption, Adjustment |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance |  |  |  | 3,067 | 3,067
Real estate, commercial | Real estate – construction, land development & other land loans |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 16,057 | 10,134 | 16,519 | 5,355 | 5,355
Allowance for acquired PCD loans |  |  |  |  | 165
Charge-offs | 0 | 0 | 0 | (66) | (245)
Recoveries | 130 | 392 | 267 | 686 | 948
Provisions/(Reversals) | (16) | (422) | (615) | (2,011) | 4,156
Ending balance | 16,171 | 10,104 | 16,171 | 10,104 | 16,519
Real estate, commercial | Real estate – construction, land development & other land loans | Cumulative Effect, Period Of Adoption, Adjustment |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance |  |  |  | 6,140 | 6,140
Real estate, commercial | Real estate – mortgage – commercial and other |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 37,327 | 26,507 | 30,342 | 23,603 | 23,603
Allowance for acquired PCD loans |  |  |  |  | 1,489
Charge-offs | (818) | (1,324) | (863) | (1,834) | (2,295)
Recoveries | 1,300 | 78 | 1,455 | 340 | 533
Provisions/(Reversals) | (615) | 97 | 6,260 | 3,506 | 7,269
Ending balance | 37,194 | 25,358 | 37,194 | 25,358 | 30,342
Real estate, commercial | Real estate – mortgage – commercial and other | Cumulative Effect, Period Of Adoption, Adjustment |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance |  |  |  | (257) | (257)
Real estate, mortgage | Real estate – mortgage – residential (1-4 family) first mortgages |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 8,159 | 8,996 | 8,686 | 8,048 | 8,048
Allowance for acquired PCD loans |  |  |  |  | 222
Charge-offs | 0 | (76) | 0 | (114) | (273)
Recoveries | 11 | 236 | 15 | 323 | 761
Provisions/(Reversals) | 480 | (505) | (51) | (2,190) | (2,656)
Ending balance | 8,650 | 8,651 | 8,650 | 8,651 | 8,686
Real estate, mortgage | Real estate – mortgage – residential (1-4 family) first mortgages | Cumulative Effect, Period Of Adoption, Adjustment |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance |  |  |  | 2,584 | 2,584
Real estate, mortgage | Real estate – mortgage – home equity loans / lines of credit |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 2,074 | 4,309 | 4,337 | 2,375 | 2,375
Allowance for acquired PCD loans |  |  |  |  | 92
Charge-offs | 0 | (8) | (41) | (139) | (400)
Recoveries | 128 | 218 | 361 | 229 | 578
Provisions/(Reversals) | (116) | (782) | (2,571) | (1,308) | (888)
Ending balance | 2,086 | 3,737 | 2,086 | 3,737 | 4,337
Real estate, mortgage | Real estate – mortgage – home equity loans / lines of credit | Cumulative Effect, Period Of Adoption, Adjustment |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance |  |  |  | 2,580 | 2,580
Consumer loans |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 2,439 | 2,297 | 2,656 | 1,478 | 1,478
Allowance for acquired PCD loans |  |  |  |  | 10
Charge-offs | (214) | (173) | (381) | (307) | (667)
Recoveries | 80 | 227 | 127 | 262 | 358
Provisions/(Reversals) | 325 | 12 | 228 | 256 | 803
Ending balance | 2,630 | 2,363 | 2,630 | 2,363 | 2,656
Consumer loans | Cumulative Effect, Period Of Adoption, Adjustment |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance |  |  |  | 674 | 674
Unallocated |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance | 0 | 0 | 0 | 213 | 213
Allowance for acquired PCD loans |  |  |  |  | 0
Charge-offs | 0 | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0 | 0
Provisions/(Reversals) | 0 | 0 | 0 | 0 | 0
Ending balance | $ 0 | $ 0 | $ 0 | 0 | 0
Unallocated | Cumulative Effect, Period Of Adoption, Adjustment |  |  |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning balance |  |  |  | $ (213) | $ (213)

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