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Employee Benefit Plans - Narrative (Details) - USD ($)
Jan. 01, 2020
Jan. 01, 2019
Mar. 31, 2020
Defined Benefit Plan Disclosure [Line Items]      
Expected contributions to the Company's qualified pension plans     $ 0
Other Post-retirement Benefits Plan      
Defined Benefit Plan Disclosure [Line Items]      
Life insurance and contributions to the medical program for eligible retirees will be eliminated (younger than)   65 years  
Life insurance and contributions to the medical program for eligible retirees will be eliminated (older than) 65 years