XML 50 R37.htm IDEA: XBRL DOCUMENT v3.20.2
Revenue Recognition (Details 2) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Revenue from Contract with Customer [Abstract]    
Contract balances, revenue recognized $ 3.6 $ 9.7