XML 66 R54.htm IDEA: XBRL DOCUMENT v3.22.0.1
Summary of Significant Accounting Policies - Foreign Currency Translation and Transactions (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Gain (loss) from foreign currency transactions     $ (1.5)
Maximum [Member]      
Gain (loss) from foreign currency transactions $ 0.1 $ 0.1