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Business Combinations and Asset Acquisitions - nonPCD Loans (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Feb. 01, 2023 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | $ 10,700 | $ 0 | $ 0 | $ 10,653 | $ 0
Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 10,653 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (21,813) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 653,024 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 674,837 |  |  |  |
Commercial, financial, agricultural and other [Member] | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 3,482 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (5,451) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 162,155 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 167,606 |  |  |  |
Commercial, financial, agricultural and other [Member] | Time and Demand Loans | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 3,436 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (5,342) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 160,536 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 165,878 |  |  |  |
Commercial, financial, agricultural and other [Member] | Equipment Finance | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 0 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | 0 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 4 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 4 |  |  |  |
Commercial, financial, agricultural and other [Member] | Time and Demand Loans Other | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 46 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (109) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 1,615 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 1,724 |  |  |  |
Real estate construction [Member] | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 1,638 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (1,126) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 51,647 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 52,773 |  |  |  |
Real estate construction [Member] | Construction Other | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 1,146 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (971) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 33,830 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 34,801 |  |  |  |
Real estate construction [Member] | Construction Residential | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 492 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (155) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 17,817 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 17,972 |  |  |  |
Commercial Real Estate [Member] | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 4,911 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (12,607) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 366,170 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 378,777 |  |  |  |
Commercial Real Estate [Member] | Multifamily | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 514 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (1,203) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 44,272 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 45,475 |  |  |  |
Commercial Real Estate [Member] | Nonowner Occupied Commercial Real Estate | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 2,111 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (5,660) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 177,133 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 182,793 |  |  |  |
Commercial Real Estate [Member] | Owner Occupied Commercial Real Estate | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 2,286 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (5,744) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 144,765 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 150,509 |  |  |  |
Loans to individuals [Member] | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 8 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (36) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 604 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 640 |  |  |  |
Loans to individuals [Member] | Automobiles | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 4 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (25) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 424 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 449 |  |  |  |
Loans to individuals [Member] | Other Consumer Loans | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 4 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (11) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 180 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 191 |  |  |  |
Residential real estate [Member] | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 614 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (2,593) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 72,448 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 75,041 |  |  |  |
Residential real estate [Member] | Senior Lien | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 437 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (1,981) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 51,631 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | 53,612 |  |  |  |
Residential real estate [Member] | Junior Lien | Centric Bank |  |  |  |  |
Schedule of nonPCD Loans Purchased in Business Acquisition [Line Items] |  |  |  |  |
Provision for credit losses - acquisition day 1 non-PCD | 177 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium) | (612) |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price | 20,817 |  |  |  |
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value | $ 21,429 |  |  |  |

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