Summary of Significant Accounting Policies - Disaggregation of Revenue by Type (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Sales	$ 256,858	$ 273,417	$ 309,215
Revenues, percentage	100.00%	100.00%	100.00%
Revenues, variance	$ (16,559)	$ (35,798)
Revenues, variance, percentage	(6.10%)	(11.60%)
Internet
Disaggregation of Revenue [Line Items]
Sales	$ 221,894	$ 230,263	$ 259,404
Revenues, percentage	86.40%	84.20%	83.90%
Revenues, variance	$ (8,369)	$ (29,141)
Revenues, variance, percentage	(3.60%)	(11.20%)
Call center
Disaggregation of Revenue [Line Items]
Sales	$ 34,964	$ 43,154	$ 49,811
Revenues, percentage	13.60%	15.80%	16.10%
Revenues, variance	$ (8,190)	$ (6,657)
Revenues, variance, percentage	(19.00%)	(13.40%)
Reorder Customer
Disaggregation of Revenue [Line Items]
Sales	$ 232,633	$ 244,505	$ 263,152
Revenues, percentage	90.60%	89.40%	85.10%
Revenues, variance	$ (11,872)	$ (18,647)
Revenues, variance, percentage	(4.90%)	(7.10%)
New Order Customer
Disaggregation of Revenue [Line Items]
Sales	$ 24,225	$ 28,912	$ 46,063
Revenues, percentage	9.40%	10.60%	14.90%
Revenues, variance	$ (4,687)	$ (17,151)
Revenues, variance, percentage	(16.20%)	(37.20%)