XML 94 R75.htm IDEA: XBRL DOCUMENT v3.22.0.1
Benefit Plans - Additional Disclosures (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Other Postretirement Benefit Plan    
Defined Benefit Plan Disclosure [Line Items]    
Company Contributions $ 0 $ 0
Current plus 1 0  
Actual Benefit Payments for the Year Ending: Current 1,963  
Expected Benefit Payments for the Year Ending: Current plus 1 1,713  
Expected Benefit Payments for the Year Ending: Current plus 2 1,888  
Expected Benefit Payments for the Year Ending: Current plus 3 2,000  
Expected Benefit Payments for the Year Ending: Current plus 4 2,148  
Expected Benefit Payments for the Year Ending: Current plus 5 2,108  
Expected Benefit Payments for the Year Ending: Current plus 6 - 10 $ 9,854  
Other Postretirement Benefit Plan | Equity securities | Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Target asset allocations (in hundredths) 70.00%  
Other Postretirement Benefit Plan | Equity securities | Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Target asset allocations (in hundredths) 100.00%  
Other Postretirement Benefit Plan | Real Estate | Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Target asset allocations (in hundredths) 0.00%  
Other Postretirement Benefit Plan | Real Estate | Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Target asset allocations (in hundredths) 15.00%  
Other Postretirement Benefit Plan | Commodities | Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Target asset allocations (in hundredths) 0.00%  
Other Postretirement Benefit Plan | Commodities | Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Target asset allocations (in hundredths) 10.00%  
Other Postretirement Benefit Plan | Fixed Income/Cash | Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Target asset allocations (in hundredths) 0.00%  
Other Postretirement Benefit Plan | Fixed Income/Cash | Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Target asset allocations (in hundredths) 10.00%  
Pension and Supplemental Executive Retirement Plans    
Defined Benefit Plan Disclosure [Line Items]    
Company Contributions $ 7,162 $ 12,453
Current plus 1 6,500  
Actual Benefit Payments for the Year Ending: Current 40,844  
Expected Benefit Payments for the Year Ending: Current plus 1 28,806  
Expected Benefit Payments for the Year Ending: Current plus 2 29,023  
Expected Benefit Payments for the Year Ending: Current plus 3 28,247  
Expected Benefit Payments for the Year Ending: Current plus 4 28,320  
Expected Benefit Payments for the Year Ending: Current plus 5 28,815  
Expected Benefit Payments for the Year Ending: Current plus 6 - 10 $ 131,716