v3.26.1
STOCKHOLDERS' EQUITY - AOCI Changes (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Changes in accumulated other comprehensive income (loss), net of tax, by component        
Balances $ 1,286,526 $ 1,294,744 $ 1,295,721 $ 1,314,362
OTHER COMPREHENSIVE INCOME (LOSS), net of tax (335) 523 (510) 180
Balances 1,267,593 1,300,426 1,267,593 1,300,426
Accumulated Other Comprehensive Income        
Changes in accumulated other comprehensive income (loss), net of tax, by component        
Balances (614) (71) (439) 272
Other comprehensive loss before reclassifications     (284) 492
Amounts reclassified from accumulated other comprehensive income (loss)     (226) (312)
OTHER COMPREHENSIVE INCOME (LOSS), net of tax (335) 523 (510) 180
Balances (949) 452 (949) 452
Unrecognized Net Periodic Benefit Credit        
Changes in accumulated other comprehensive income (loss), net of tax, by component        
Balances     3,064 4,203
Amounts reclassified from accumulated other comprehensive income (loss)     (226) (312)
OTHER COMPREHENSIVE INCOME (LOSS), net of tax     (226) (312)
Balances 2,838 3,891 2,838 3,891
Foreign Currency Translation        
Changes in accumulated other comprehensive income (loss), net of tax, by component        
Balances     (3,503) (3,931)
Other comprehensive loss before reclassifications     (284) 492
OTHER COMPREHENSIVE INCOME (LOSS), net of tax     (284) 492
Balances $ (3,787) $ (3,439) $ (3,787) $ (3,439)