XML 53 R40.htm IDEA: XBRL DOCUMENT v3.20.2
Commitments and Contingencies (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Related Party Transaction [Line Items]          
Total rent expense $ 1.3 $ 1.1 $ 2.7 $ 2.0  
Contractual Obligation, Fiscal Year Maturity [Abstract]          
2020 4.3   4.3    
2021 9.3   9.3    
2022 12.0   12.0    
2023 3.2   3.2    
Liabilities for contingencies 0.0   0.0   $ 0.0
Minority Owner Of Property Under Operating Lease [Member]          
Related Party Transaction [Line Items]          
Total rent expense $ 0.3 $ 0.2 $ 0.5 $ 0.4