XML 68 R58.htm IDEA: XBRL DOCUMENT v3.22.2.2
Employee Benefit Plans - Components of Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]        
Net periodic benefit cost $ 2,575 $ 3,461 $ 9,574 $ 11,127
Defined contribution plan        
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]        
Net periodic benefit cost 3,258 3,197 11,582 10,877
Defined benefit plans        
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]        
Interest cost 4,333 4,143 12,999 12,349
Expected return on plan assets, net of expenses (6,227) (5,786) (18,675) (17,426)
Amortization of actuarial loss and prior service cost 997 1,684 3,026 4,657
Total for defined benefit pension plan (897) 41 (2,650) (420)
SERPs        
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]        
Net periodic benefit cost $ 214 $ 223 $ 642 $ 670