Quarterly report pursuant to Section 13 or 15(d)

Net Periodic Pension Expense Benefit (Details)

v3.22.2.2
Net Periodic Pension Expense Benefit (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Defined Benefit Pension Plans        
Defined Benefit Plan, Net Periodic Expense (Benefit)        
Interest cost $ 681 $ 551 $ 1,888 $ 1,652
Expected return on plan assets (380) (1,093) (2,599) (3,280)
Settlement loss (gain) recognized (38) 26 (38) 26
Net periodic expense (benefit) 339 (568) (673) (1,654)
Other Postretirement Benefits Plan        
Defined Benefit Plan, Net Periodic Expense (Benefit)        
Interest cost 5 4 13 13
Amortization of prior service credit (53) (58) (158) (174)
Amortization of net loss 1 2 3 4
Net periodic expense (benefit) $ (47) $ (52) $ (142) $ (157)