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Deferred Compensation Plans - Additional Information (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance 124,392 116,766
Other Liabilities [Member]    
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Deferred Compensation Liability, Current and Noncurrent, Total $ 3.2 $ 3.4