XML 75 R65.htm IDEA: XBRL DOCUMENT v3.20.2
Deferred Compensation Plans - Additional Information (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Deferred Compensation Arrangement with Individual, Common Stock Reserved for Future Issuance 108,473 124,392
Other Liabilities [Member]    
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Deferred Compensation Liability, Current and Noncurrent, Total $ 3.2 $ 3.2