XML 91 R71.htm IDEA: XBRL DOCUMENT v3.25.0.1
Note 9 - Pension and Other Postretirement Benefits - Components of Net Periodic Benefit Cost (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Settlement loss     $ (6,400)
Pension Plan [Member]      
Service cost $ 1,998 $ 2,180 2,400
Interest cost 2,737 2,652 2,326
Expected return on plan assets (3,450) (2,695) (2,892)
Recognized actuarial loss 1,455 1,461 1,724
Settlement loss 0 0 6,427
Net periodic benefit cost 2,740 3,598 9,985
Net (gain) loss (2,524) 822 (7,726)
Net periodic benefit cost 216 4,420 2,259
Postemployment Retirement Benefits [Member]      
Service cost 851 835 1,146
Interest cost 1,123 1,196 760
Recognized actuarial loss (31) (38) 368
Net periodic benefit cost 1,868 998 1,146
Net (gain) loss (279) 1,114 (4,317)
Net periodic benefit cost 1,589 2,112 (3,171)
Prior service cost recognition $ (75) $ (995) $ (1,128)