v3.26.1
Schedule H, Line 4(i) – Schedule of Assets (Held at End of Year) (Details) - Trustmark 401(k) Plan [Member]
12 Months Ended
Dec. 31, 2025
Schedule H, Line 4(i) – Schedule of Assets (Held at End of Year) [Abstract]  
Plan Name TRUSTMARK 401(k) PLAN
EIN 64-0471500
Plan Number 002