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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 31, 2024
Deferred tax assets:
Net operating loss carryforwards	$ 268,818	$ 296,036
Research and development and other credit carryforwards	27,565	28,118
Stock-based compensation	6,600	7,540
Reserves and allowances	14,441	17,463
Operating lease liability	15,997	15,456
Capitalized IRC 174 costs	74,610	51,317
Fixed assets and intangibles	6,282	6,435
Gross deferred tax assets	414,313	422,365
Valuation allowance	(368,773)	(368,408)
Total deferred tax assets	45,540	53,957
Deferred tax liabilities:
Intangibles	(15,172)	(19,045)
Deferred contract acquisition costs	(21,004)	(26,303)
Operating lease, right-of-use asset	(9,478)	(8,724)
Net deferred taxes	$ (114)	$ (115)

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