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v3.23.1

Loans, Allowance for Credit Losses, and Asset Quality Information - Narrative (Details) $ in Thousands |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 01, 2023 USD ($) | Mar. 31, 2023 USD ($) loan | Mar. 31, 2022 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Unamortized discount on acquired loans |  | $ (32,400) |  | $ (11,600) |
Total loans, net of deferred loan fees |  | 7,798,963 |  | 6,665,145 |
Interest income on nonaccrual loans |  | 0 | $ 0 |  |
Allowance for credit losses on loans |  | 106,396 | 82,069 | 90,967 | $ 78,789
GrandSouth |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Allowance for loan losses | $ 5,610 |  |  |  |
Allowance for credit loss, increase from acquisition, non-PCD | $ 12,200 |  |  |  |
Asset Pledged as Collateral |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Total loans, net of deferred loan fees |  | 6,000,000 |  | 5,300,000 |
Consumer loans |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Allowance for credit losses on loans |  | 3,295 | 2,439 | 2,900 | 2,656
Commercial, financial, and agricultural |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Allowance for credit losses on loans |  | $ 23,073 | 16,013 | 17,718 | 16,249
Real Estate |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Threshold percentage to write-off nonaccrual loans |  | 90.00% |  |  |
Real Estate | Receivable Benchmark | Receivable Type Concentration Risk |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Concentration risk percentage |  | 90.00% |  |  |
Hotel | Minimum |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Threshold percentage to write-off nonaccrual loans |  | 10.00% |  |  |
Hotel | Maximum |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Threshold percentage to write-off nonaccrual loans |  | 25.00% |  |  |
Non Real Estate |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Threshold percentage to write-off nonaccrual loans |  | 75.00% |  |  |
Officers and Directors |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Total loans, net of deferred loan fees |  | $ 6,000 |  | 6,000 |
Number of new loans | loan |  | 4 |  |  |
Financing receivable, excluding accrued interest, advances |  | $ 100 |  |  |
Repayments received from related parties |  | 200 |  |  |
Officers and Directors | Unused lines of Credit |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Financing receivable, excluding accrued interest, available credit |  | 1,100 |  |  |
Total loans |  |  | 1,200 |  |
Residential Mortgage Loans |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Presold mortgages in process of settlement |  | 1,500 |  | 800 |
Unfunded Loan Commitment |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Allowance for credit losses on loans |  | 14,357 | $ 12,006 | 13,306 | $ 13,506
SBA Loans |  |  |  |  |
Loans and Leases Receivable Disclosure [Line Items] |  |  |  |  |
Unamortized discount on acquired loans |  | $ (4,000) |  | $ (4,300) |

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