XML 64 R51.htm IDEA: XBRL DOCUMENT v3.22.0.1
Revenue Recognition (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Revenue from Contract with Customer [Abstract]    
Revenue recognized $ 18.9 $ 24.7
Pandemic credit $ 3.2 $ 17.5