Revenue Recognition - Narrative (Details) $ in Thousands	3 Months Ended				6 Months Ended
	Sep. 30, 2025 USD ($) performanceObligation model	Jun. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) performanceObligation model	Sep. 30, 2024 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)
Disaggregation of Revenue [Line Items]
Number of performance obligations | performanceObligation	1				1
Revenue recognition period membership | model	2				2
Deferred revenue	$ 995	$ 1,100	$ 1,600	$ 2,100	$ 995	$ 1,600	$ 2,085	$ 2,600
Deferred memberships fees revenue and others recognized	700	$ 1,800	1,200	$ 1,500
Membership fees earned	$ 44,364		58,044		$ 95,544	124,251
Autoship Products
Disaggregation of Revenue [Line Items]
Deferred revenue							$ 1,100
Membership Customers
Disaggregation of Revenue [Line Items]
Annual membership fees renewal period	1 year				1 year
Revenue recognition period	1 year				1 year
Deferred memberships fees revenue and others recognized					$ 2,400
Membership Customers | Partner Program
Disaggregation of Revenue [Line Items]
Membership fees earned	$ 1,100		$ 900		$ 2,100	$ 1,800
Minimum
Disaggregation of Revenue [Line Items]
Cash settlement period					2 days
Maximum
Disaggregation of Revenue [Line Items]
Cash settlement period					3 days