v3.26.1
Statements of Net Assets Available for Benefits - EBP 002 - USD ($)
Dec. 31, 2025
Dec. 31, 2024
EBP, Statement of Net Asset Available for Benefit [Line Items]    
Cash $ 3,526 $ 26,631
Investments, at fair value: 585,743,136 520,560,705
Receivables:    
Employer contributions - cash 6,191,939 0
Notes receivable from participants 11,218,173 10,869,107
Total receivables 17,410,112 10,869,107
Net assets available for benefits 603,156,774 531,456,443
Mutual fund investments    
EBP, Statement of Net Asset Available for Benefit [Line Items]    
Investments, at fair value: 468,567,203 401,205,491
F.N.B. Corporation Common Stock Fund    
EBP, Statement of Net Asset Available for Benefit [Line Items]    
Investments, at fair value: $ 117,175,933 $ 119,355,214