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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets and Goodwill | The following is a summary of the gross carrying amount and accumulated amortization of amortizable intangible assets and the carrying amount of unamortizable intangible assets as of the periods presented.
|  | December 31, 2023 |  | December 31, 2022
($ in thousands) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Amount
Amortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Customer lists |  | $ | 2,700 |  |  | 2,167 |  |  | 533 |  |  | 2,700 |  |  | 1,847 |  |  | 853 |
Core deposit intangibles |  | 57,890 |  |  | 28,932 |  |  | 28,958 |  |  | 29,050 |  |  | 21,274 |  |  | 7,776 |
Other |  | 100 |  |  | 83 |  |  | 17 |  |  | 100 |  |  | 58 |  |  | 42 |
Intangibles before servicing assets |  | 60,690 |  |  | 31,182 |  |  | 29,508 |  |  | 31,850 |  |  | 23,179 |  |  | 8,671 |
SBA servicing assets |  | 13,966 |  |  | 10,616 |  |  | 3,350 |  |  | 13,264 |  |  | 9,260 |  |  | 4,004 |
Total amortizable intangible assets |  | $ | 74,656 |  |  | 41,798 |  |  | 32,858 |  |  | 45,114 |  |  | 32,439 |  |  | 12,675 |
Unamortizable intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | $ | 478,750 |  |  |  |  |  |  | 364,263 |  |  |  |  |
Schedule of Servicing Assets at Fair Value | A summary of the key assumptions used in the discounted cash flow method utilized to estimate the fair value of the SBA servicing asset were as follows:
|  | December 31, 2023 |  | December 31, 2022
Prepayment rate assumption: |  |  |  |
Weighted average |  | 19.05% |  | 15.58%
Range |  | 9.27% - 33.14% |  | 7.29% - 32.38%
Discount rate: |  |  |  |
Weighted average |  | 16.36% |  | 22.14%
Range |  | 11.19% - 22.51% |  | 14.44% - 31.29%
Servicing cost |  | 0.40% |  | 0.40%
SBA Servicing Assets | The following table presents the changes in the SBA servicing assets for each period indicated.
($ in thousands) |  | December 31, 2023 |  | December 31, 2022
Beginning balance, net |  | $ | 4,004 |  |  | 5,472 |
Add: New servicing assets |  | 702 |  |  | 1,332 |
Less: Amortization expense and impairment charges |  | (1,356) |  |  | (2,800) |
Ending balance, net |  | $ | 3,350 |  |  | 4,004 |
Changes in Carrying Amount of Goodwill | The following table presents the changes in carrying amounts of goodwill:
($ in thousands) |  | Total Goodwill
Balance at December 31, 2021 |  | $ | 364,263 |
Net activity during 2022 |  | — |
Balance at December 31, 2022 |  | 364,263 |
Additions from acquisition of GrandSouth |  | 114,487 |
Balance at December 31, 2023 |  | $ | 478,750 |
Schedule of the Estimated Amortization Expense |
($ in thousands) |  | Estimated Amortization Expense
2024 |  | $ | 6,604 |
2025 |  | 5,672 |
2026 |  | 4,704 |
2027 |  | 3,951 |
2028 |  | 3,197 |
Thereafter |  | 5,380 |
Total |  | $ | 29,508 |

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- Definition Tabular disclosure of the activity in the balance of servicing assets (including a description of where changes in fair value are reported in the statement of income for each period for which results of operations are presented), including but not limited to, the following: beginning and ending balances, additions (for instance, through purchases of servicing assets), disposals, changes in fair value during the period resulting from changes in inputs or assumptions used in the valuation model, other changes in fair value along with a description of those changes, and other changes that affect the balance along with a description of those changes. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481229/860-50-50-3 + Details
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