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Benefit Plans - Projected Benefit Obligation, Accumulated Benefit Obligation, and Fair Value of Plan Assets for Non-Qualified Plans (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]    
Projected benefit obligation $ 14,571 $ 14,899
Accumulated benefit obligation 14,571 14,899
Fair value of plan assets $ 302,034 $ 274,696
Defined Benefit Plan, Tax Status [Extensible Enumeration] Nonqualified Plan Nonqualified Plan
Nonqualified Plan    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of plan assets $ 0 $ 0