v3.26.3
ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
BALANCE $ 1,683,965 $ 1,714,612 $ 1,761,019 $ 1,616,525
Reclassification to net income     13 13
Change during period (1,769) 766 (7,750) 1,974
BALANCE 1,665,501 1,744,806 1,665,501 1,744,806
Unrealized gain (loss) on available-for-sale securities [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
BALANCE     3,255 1,269
Other comprehensive income (loss) before reclassification     (7,757) 1,789
Reclassification to net income [1]     0 0
Change during period     (7,757) 1,789
BALANCE (4,502) 3,058 (4,502) 3,058
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
BALANCE [2]     (2,408) (2,106)
Other comprehensive income (loss) before reclassification [2]     0 0
Reclassification to net income [1],[2]     13 13
Change during period [2]     13 13
BALANCE [2] (2,395) (2,093) (2,395) (2,093)
Change in cumulative foreign currency translation adjustment [Member]        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
BALANCE     (66) (218)
Other comprehensive income (loss) before reclassification     (6) 172
Reclassification to net income [1]     0 0
Change during period     (6) 172
BALANCE (72) (46) (72) (46)
Accumulated Other Comprehensive (Loss) Income        
Accumulated Other Comprehensive Income (Loss) [Roll Forward]        
BALANCE (5,200) 153 781 (1,055)
Other comprehensive income (loss) before reclassification     (7,763) 1,961
Reclassification to net income [1]     13 13
Change during period (1,769) 766 (7,750) 1,974
BALANCE $ (6,969) $ 919 $ (6,969) $ 919
[1] The Company reclassified amortization of prior service cost for its retirement plan from accumulated other comprehensive (loss) income to net income of $13,000 for both nine months ended September 30, 2026 and 2025.
[2] Refer to Note 17: Retirement Plan Benefit Liability.