XML 52 R42.htm IDEA: XBRL DOCUMENT v3.22.2.2
Employee Benefit Plans (Schedule of Benefits Plans) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Pension Benefit Plan [Member]        
Periodic costs for employee retirement benefit plans        
Service Cost $ 591 $ 674 $ 1,772 $ 2,022
Interest Cost 761 677 2,282 2,030
Expected Return on Assets (1,760) (1,556) (5,281) (4,669)
Amortization of Unrecognized Losses 418 717 1,255 2,151
Net Periodic Benefit Cost (Benefit) [1] 10 512 28 1,534
Other Benefits Plan [Member]        
Periodic costs for employee retirement benefit plans        
Service Cost 200 229 599 687
Interest Cost 331 309 994 927
Expected Return on Assets (887) (786) (2,660) (2,357)
Amortization of Unrecognized Losses 132 396
Net Periodic Benefit Cost (Benefit) [1] $ (356) $ (116) $ (1,067) $ (347)
[1] Service cost is included in Operations and Maintenance expense on the Condensed Consolidated Statements of Income; all other amounts are included in Other Income/Expense, net.