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Goodwill and Intangible Assets - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Jun. 01, 2018
Acquired Finite-Lived Intangible Assets [Line Items]          
Amortization expense related to intangible assets $ 1,294 $ 1,130 $ 3,861 $ 2,811  
Fitlosophy, Inc.          
Acquired Finite-Lived Intangible Assets [Line Items]          
Intangible assets         $ 2,032
Weighted average useful life     7 years