Annual report pursuant to Section 13 and 15(d)

Organization and Significant Accounting Policies Organization and Significant Accounting Policies - Advertising (Details)

v3.20.1
Organization and Significant Accounting Policies Organization and Significant Accounting Policies - Advertising (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Advertising [Abstract]      
Advertising Expense $ 3.1 $ 2.5 $ 2.4