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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Jan. 01, 2023
Business Acquisition [Line Items] |  |  |  |
Intangibles amortization | $ 8,003 | $ 3,684 | $ 3,531 |
SBA servicing asset | $ 349,300 | $ 392,400 |  |
Contractually specified servicing fee income, statement of income or comprehensive income [Extensible Enumeration] | Interest and fees on loans | Interest and fees on loans | Interest and fees on loans |
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration] | Other gains, net | Other gains, net |  |
Goodwill impairment | $ 0 |  |  |
Grand South |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Core deposit intangible |  |  |  | $ 28,840
Minimum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets, useful life | 5 years |  |  |
Customer Lists | Minimum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets, useful life | 5 years |  |  |
Core Deposits | Minimum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Identifiable intangible assets, useful life | 10 years |  |  |
SBA servicing assets |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Servicing fee income | $ 3,500 | $ 3,400 | $ 3,900 |
Impairment of finite-lived intangible assets, | $ 0 | $ 352 |  |

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- Definition All amounts that, per contract, are due to the servicer in exchange for servicing the financial asset and would no longer be received by a servicer if the beneficial owners of the serviced assets (or their trustees or agents) were to exercise their actual or potential authority under the contract to shift the servicing to another servicer. Depending on the servicing contract, those fees may include some or all of the difference between the interest rate collected on the asset being serviced and the rate to be paid to the beneficial owners of the asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 860 -SubTopic 50 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481229/860-50-50-2 + Details
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