XML 99 R83.htm IDEA: XBRL DOCUMENT v3.22.4
Employee Benefit Plans - Pension plans with accumulated benefit obligation in excess of assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined benefit plans      
Defined Benefit Plan Disclosure [Line Items]      
Accumulated benefit obligation $ 450,022 $ 603,309  
Projected benefit obligation 450,022 603,309 $ 637,165
Fair value of plan assets 383,725 517,148 492,827
SERPs      
Defined Benefit Plan Disclosure [Line Items]      
Accumulated benefit obligation 13,393 18,023  
Projected benefit obligation 13,393 18,023 18,890
Fair value of plan assets $ 0 $ 0 $ 0