Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.20.1
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Effective income tax rates 2.90% 3.70%  
Unrecognized tax benefits $ 0.0   $ 0.0
Income tax benefit from tax holiday $ 0.3   $ 1.3