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Business Combinations and Asset Acquisitions - PCD Loans (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Feb. 01, 2023 | Sep. 30, 2023 | Sep. 30, 2023
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | $ 304,700 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date |  | $ 0 | $ (27,205)
Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 304,670 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (27,205) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (6,934) |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 270,531 |  |
Commercial, financial, agricultural and other [Member] |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date |  | 0 | (19,417)
Commercial, financial, agricultural and other [Member] | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 84,095 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (19,417) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | 117 |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 64,795 |  |
Commercial, financial, agricultural and other [Member] | Time and Demand Loans |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date |  | 0 | (19,417)
Commercial, financial, agricultural and other [Member] | Time and Demand Loans | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 84,095 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (19,417) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | 117 |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 64,795 |  |
Construction | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 29,947 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (287) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (479) |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 29,181 |  |
Construction | Construction Other | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 16,978 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (227) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (179) |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 16,572 |  |
Construction | Construction Residential | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 12,969 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (60) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (300) |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 12,609 |  |
Residential real estate [Member] |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date |  | 0 | (527)
Residential real estate [Member] | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 16,564 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (527) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (496) |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 15,541 |  |
Residential real estate [Member] | Senior Lien |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date |  | 0 | (197)
Residential real estate [Member] | Senior Lien | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 13,740 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (197) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (264) |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 13,279 |  |
Residential real estate [Member] | Junior Lien |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date |  | 0 | (330)
Residential real estate [Member] | Junior Lien | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 2,824 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (330) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (232) |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 2,262 |  |
Commercial Real Estate [Member] |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date |  | 0 | (6,971)
Commercial Real Estate [Member] | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 174,002 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (6,971) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (6,073) |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 160,958 |  |
Commercial Real Estate [Member] | Multifamily |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date |  | 0 | (234)
Commercial Real Estate [Member] | Multifamily | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 13,169 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (234) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (1,413) |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 11,522 |  |
Commercial Real Estate [Member] | Nonowner Occupied Commercial Real Estate |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date |  | 0 | (2,739)
Commercial Real Estate [Member] | Nonowner Occupied Commercial Real Estate | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 97,324 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (2,739) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (1,902) |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 92,683 |  |
Commercial Real Estate [Member] | Owner Occupied Commercial Real Estate |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date |  | 0 | (3,998)
Commercial Real Estate [Member] | Owner Occupied Commercial Real Estate | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 63,509 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (3,998) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (2,758) |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 56,753 |  |
Loans to individuals [Member] |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date |  | 0 | (3)
Loans to individuals [Member] | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 62 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (3) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (3) |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 56 |  |
Loans to individuals [Member] | Automobiles |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date |  | $ 0 | $ (3)
Loans to individuals [Member] | Automobiles | Centric Bank |  |  |
Schedule of PCD Loans Purchased in Business Acquisition [Line Items] |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 62 |  |
Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date | (3) |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (3) |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | $ 56 |  |

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