v3.26.1
Leases - Components of the Trustmark's Net Investment in its Sales-Type and Direct Financing Leases (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Capital Leases, Net Investment in Direct Financing Leases [Abstract]    
Leases receivable $ 470,944 $ 442,096
Unearned income (69,647) (68,283)
Initial direct costs 3,488 3,236
Unguaranteed lease residual 29,729 24,360
Total net investment $ 434,514 $ 401,409