Summary of Significant Accounting Policies - Valuation Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Change in Valuation Allowance [Roll Forward]
Balance at beginning of the year	$ 90,278	$ 89,742
Charged to costs and expenses	(283)	325
Changes in net loss carryforward and other	(18,859)	211
Balance at end of the year	$ 71,136	$ 90,278

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant