XML 65 R47.htm IDEA: XBRL DOCUMENT v3.20.4
Property and Equipment - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Property, Plant and Equipment [Abstract]      
Interest capitalized in conjunction with construction projects and software development $ 0.8 $ 1.6 $ 1.5
Commitments for facility construction projects $ 56.9