Composition of Certain Financial Statement Captions - Summary of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents [Abstract]
Cash and cash equivalents	$ 63,002	$ 73,295
Restricted cash and cash equivalents	7,048	5,280
Cash, cash equivalents, and restricted cash	$ 70,050	$ 78,575	$ 200,355	$ 140,319