XML 120 R98.htm IDEA: XBRL DOCUMENT v3.20.4
Fair Value Measurements (Details Textuals) - USD ($)
$ in Millions
Sep. 18, 2020
Dec. 31, 2020
Dec. 31, 2019
Fair Value Disclosures [Abstract]      
Fair value of debt   $ 70.0 $ 1,833.1
Principal amount of debt cancelled $ 2,100.0