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Benefit Plans - Additional Disclosures (Details)
$ in Thousands
Dec. 31, 2022
USD ($)
Other Postretirement Benefit Plan  
Defined Benefit Plan Disclosure [Line Items]  
Expected Benefit Payments for the Year Ending: Current plus 1 $ 2,211
Expected Benefit Payments for the Year Ending: Current plus 2 2,476
Expected Benefit Payments for the Year Ending: Current plus 3 2,780
Expected Benefit Payments for the Year Ending: Current plus 4 2,886
Expected Benefit Payments for the Year Ending: Current plus 5 2,929
Expected Benefit Payments for the Year Ending: Current plus 6 - 10 $ 16,102
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]  
Expected Benefit Payments for the Year Ending: Current plus 1 $ 23,966
Expected Benefit Payments for the Year Ending: Current plus 2 23,309
Expected Benefit Payments for the Year Ending: Current plus 3 23,104
Expected Benefit Payments for the Year Ending: Current plus 4 23,363
Expected Benefit Payments for the Year Ending: Current plus 5 23,194
Expected Benefit Payments for the Year Ending: Current plus 6 - 10 $ 102,588
Pension Plan | Equity securities | Maximum  
Defined Benefit Plan Disclosure [Line Items]  
Target asset allocations (in hundredths) 40.00%