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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 | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | $ 78,789 | $ 52,388 | $ 21,398
Allowance for Select PCD loans |  | 4,895 |
Charge-offs | (4,465) | (7,602) | (8,502)
Recoveries | 4,043 | 4,922 | 4,453
Provisions/(Reversals) | 12,600 | 9,611 | 35,039
Ending balance | 90,967 | 78,789 | 52,388
Ending balances: Allowance for loan losses |  |  |
Individually evaluated for impairment |  |  | 6,551
Collectively evaluated for impairment |  |  | 45,699
Purchased credit impaired |  |  | 138
Loans receivable: |  |  |
Loans | 6,666,548 | 6,083,419 | 4,735,013
Unamortized net deferred loan fees | (1,403) | (1,704) | 3,698
Total loans | 6,665,145 | 6,081,715 | 4,731,315
Ending balances: Loans |  |  |
Individually evaluated for impairment |  |  | 36,281
Collectively evaluated for impairment |  |  | 4,690,141
Purchased credit impaired |  |  | 8,591
Cumulative Effect, Period of Adoption, Adjustment |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance |  | 14,575 |
Ending balance |  |  | 14,575
Commercial, financial, and agricultural |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | 16,249 | 11,316 | 4,553
Allowance for Select PCD loans |  | 2,917 |
Charge-offs | (2,519) | (3,722) | (5,608)
Recoveries | 756 | 1,744 | 745
Provisions/(Reversals) | 3,232 | 927 | 11,626
Ending balance | 17,718 | 16,249 | 11,316
Ending balances: Allowance for loan losses |  |  |
Individually evaluated for impairment |  |  | 3,546
Collectively evaluated for impairment |  |  | 7,742
Purchased credit impaired |  |  | 28
Loans receivable: |  |  |
Loans | 641,941 | 648,997 | 782,549
Ending balances: Loans |  |  |
Individually evaluated for impairment |  |  | 7,700
Collectively evaluated for impairment |  |  | 774,712
Purchased credit impaired |  |  | 137
Commercial, financial, and agricultural | Cumulative Effect, Period of Adoption, Adjustment |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance |  | 3,067 |
Ending balance |  |  | 3,067
Real estate, commercial | Real estate – construction, land development & other land loans |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | 16,519 | 5,355 | 1,976
Allowance for Select PCD loans |  | 165 |
Charge-offs | 0 | (245) | (51)
Recoveries | 480 | 948 | 1,552
Provisions/(Reversals) | (1,871) | 4,156 | 1,878
Ending balance | 15,128 | 16,519 | 5,355
Ending balances: Allowance for loan losses |  |  |
Individually evaluated for impairment |  |  | 30
Collectively evaluated for impairment |  |  | 5,325
Purchased credit impaired |  |  | 0
Loans receivable: |  |  |
Loans | 934,176 | 828,549 | 570,672
Ending balances: Loans |  |  |
Individually evaluated for impairment |  |  | 677
Collectively evaluated for impairment |  |  | 569,845
Purchased credit impaired |  |  | 150
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 |
Ending balance |  |  | 6,140
Real estate, commercial | Real estate mortgage – commercial and other |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | 30,342 | 23,603 | 8,938
Allowance for Select PCD loans |  | 1,489 |
Charge-offs | (1,063) | (2,295) | (968)
Recoveries | 1,983 | 533 | 621
Provisions/(Reversals) | 9,447 | 7,269 | 15,012
Ending balance | 40,709 | 30,342 | 23,603
Ending balances: Allowance for loan losses |  |  |
Individually evaluated for impairment |  |  | 2,175
Collectively evaluated for impairment |  |  | 21,428
Purchased credit impaired |  |  | 0
Loans receivable: |  |  |
Loans | 3,510,261 | 3,194,737 | 2,049,203
Ending balances: Loans |  |  |
Individually evaluated for impairment |  |  | 18,582
Collectively evaluated for impairment |  |  | 2,026,682
Purchased credit impaired |  |  | 3,939
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) |
Ending balance |  |  | (257)
Real estate, mortgage | Real estate mortgage – residential (1-4 family) first mortgages |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | 8,686 | 8,048 | 3,832
Allowance for Select PCD loans |  | 222 |
Charge-offs | 0 | (273) | (478)
Recoveries | 17 | 761 | 754
Provisions/(Reversals) | 2,651 | (2,656) | 3,940
Ending balance | 11,354 | 8,686 | 8,048
Ending balances: Allowance for loan losses |  |  |
Individually evaluated for impairment |  |  | 800
Collectively evaluated for impairment |  |  | 7,141
Purchased credit impaired |  |  | 107
Loans receivable: |  |  |
Loans | 1,195,785 | 1,021,966 | 972,378
Ending balances: Loans |  |  |
Individually evaluated for impairment |  |  | 9,303
Collectively evaluated for impairment |  |  | 958,848
Purchased credit impaired |  |  | 4,227
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 |
Ending balance |  |  | 2,584
Real estate, mortgage | Real estate mortgage – home equity loans/lines of credit |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | 4,337 | 2,375 | 1,127
Allowance for Select PCD loans |  | 92 |
Charge-offs | (43) | (400) | (524)
Recoveries | 600 | 578 | 487
Provisions/(Reversals) | (1,736) | (888) | 1,285
Ending balance | 3,158 | 4,337 | 2,375
Ending balances: Allowance for loan losses |  |  |
Individually evaluated for impairment |  |  | 0
Collectively evaluated for impairment |  |  | 2,375
Purchased credit impaired |  |  | 0
Loans receivable: |  |  |
Loans | 323,726 | 331,932 | 306,256
Ending balances: Loans |  |  |
Individually evaluated for impairment |  |  | 15
Collectively evaluated for impairment |  |  | 306,141
Purchased credit impaired |  |  | 100
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 |
Ending balance |  |  | 2,580
Consumer loans |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | 2,656 | 1,478 | 972
Allowance for Select PCD loans |  | 10 |
Charge-offs | (840) | (667) | (873)
Recoveries | 207 | 358 | 294
Provisions/(Reversals) | 877 | 803 | 1,085
Ending balance | 2,900 | 2,656 | 1,478
Ending balances: Allowance for loan losses |  |  |
Individually evaluated for impairment |  |  | 0
Collectively evaluated for impairment |  |  | 1,475
Purchased credit impaired |  |  | 3
Loans receivable: |  |  |
Loans | 60,659 | 57,238 | 53,955
Ending balances: Loans |  |  |
Individually evaluated for impairment |  |  | 4
Collectively evaluated for impairment |  |  | 53,913
Purchased credit impaired |  |  | 38
Consumer loans | Cumulative Effect, Period of Adoption, Adjustment |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance |  | 674 |
Ending balance |  |  | 674
Unallocated |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance | $ 0 | 213 | 0
Allowance for Select PCD loans |  | 0 |
Charge-offs |  | 0 | 0
Recoveries |  | 0 | 0
Provisions/(Reversals) |  | 0 | 213
Ending balance |  | 0 | 213
Ending balances: Allowance for loan losses |  |  |
Individually evaluated for impairment |  |  | 0
Collectively evaluated for impairment |  |  | 213
Purchased credit impaired |  |  | 0
Loans receivable: |  |  |
Loans |  |  | 0
Ending balances: Loans |  |  |
Individually evaluated for impairment |  |  | 0
Collectively evaluated for impairment |  |  | 0
Purchased credit impaired |  |  | 0
Unallocated | Cumulative Effect, Period of Adoption, Adjustment |  |  |
Accounts Receivable, Allowance for Credit Loss [Roll Forward] |  |  |
Beginning balance |  | $ (213) |
Ending balance |  |  | $ (213)

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