Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Summary of Intangible Assets (Detail)

v3.21.1
Intangible Assets - Summary of Intangible Assets (Detail) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Finite-lived Intangible Assets [Roll Forward]      
Intangible assets, beginning balance $ 43,882 $ 0 $ 1,231
Purchase of intangibles 12,200 44,100  
Amortization of intangibles (2,782) (218) (1,231)
Intangible assets, ending balance $ 53,300 $ 43,882 $ 0