v3.26.3
SHARE-BASED COMPENSATION PLANS - Summary of Restricted Shares Compensation Expense (Details) - Orrstown 2011 Incentive Stock Plan - Restricted Stock - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted share award expense $ 1,091 $ 1,323 $ 4,400 $ 3,964
Restricted share award tax benefit 229 278 924 832
Fair value of shares vested $ 268 $ 4,273 $ 5,934 $ 5,778