Geographical Information - Long-lived Assets By Geographic Region (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Mar. 31, 2021
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	$ 27,224	$ 10,650
United States
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	25,683	8,632
Foreign
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	1,541	2,018
Macau
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	1,430	1,896
Other
Revenues from External Customers and Long-Lived Assets
Total tangible long-lived assets, net	$ 111	$ 122