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Employee Benefits (Weighted-Average Assumptions Used) (Details)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Qualified Pension Plan [Member]      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Discount rate 5.54% 3.00%  
Rate of compensation increase 5.00% 3.75%  
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]      
Equivalent single discount rate for benefit obligations 3.00% 2.71% 3.42%
Equivalent single discount rate for service cost 3.11% 2.86% 3.54%
Equivalent single discount rate for interest cost 2.67% 2.16% 3.07%
Expected long-term return on plan assets 5.25% 5.75% 5.75%
Rate of compensation increase 3.75% 3.75% 3.75%
Non-Qualified Retirement Plans [Member]      
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]      
Discount rate 5.50% 2.90%  
Rate of compensation increase 5.00% 3.75%  
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]      
Equivalent single discount rate for benefit obligations 2.89% 2.51% 3.30%
Equivalent single discount rate for service cost 3.16% 2.94% 3.62%
Equivalent single discount rate for interest cost 2.48% 1.97% 2.93%
Rate of compensation increase 3.75% 3.75% 3.75%