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v3.25.4

Parent Company Only Financial Information - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Condensed Financial Statements Captions [Line Items] |  |  |
Income taxes paid | $ 52,165 | $ 21,472 | $ 38,803
Trustmark Corp (Parent Company Only) [Member] |  |  |
Condensed Financial Statements Captions [Line Items] |  |  |
Income taxes paid | 52,200 | 21,500 | 38,800
Interest paid | $ 4,500 | $ 4,500 | $ 4,500

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