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INCENTIVE STOCK PLANS - Performance Shares (Details) - Performance Shares - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Common shares reserved for performance shares granted during year (in shares) 294,574 320,640 285,863
Granted (in dollars per share) $ 33.00 $ 34.51 $ 37.77
Intrinsic value of outstanding performance share units $ 10,551 $ 11,463 $ 12,730
Fair value of performance shares vested 3,696 6,388 5,863
Cash used to purchase common shares from current and former employees to pay withholding tax requirements on restricted shares vested $ 732 $ 1,975 $ 2,342