v3.25.1
Revenue - Schedule of Revenue by Region based on the Shipping Address of Customers (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Disaggregation Of Revenue [Line Items]      
Revenue $ 189,896 $ 219,638 $ 299,489
Revenue | Geographic Concentration Risk      
Disaggregation Of Revenue [Line Items]      
Concentration risk, percentage 100.00% 100.00% 100.00%
United States      
Disaggregation Of Revenue [Line Items]      
Revenue $ 149,159 $ 180,153 $ 217,242
United States | Revenue | Geographic Concentration Risk      
Disaggregation Of Revenue [Line Items]      
Concentration risk, percentage 79.00% 82.00% 73.00%
UK      
Disaggregation Of Revenue [Line Items]      
Revenue $ 28,139 $ 24,280 $ 63,023
UK | Revenue | Geographic Concentration Risk      
Disaggregation Of Revenue [Line Items]      
Concentration risk, percentage 15.00% 11.00% 21.00%
Canada      
Disaggregation Of Revenue [Line Items]      
Revenue $ 8,644 $ 10,565 $ 13,581
Canada | Revenue | Geographic Concentration Risk      
Disaggregation Of Revenue [Line Items]      
Concentration risk, percentage 5.00% 5.00% 4.00%
Other regions      
Disaggregation Of Revenue [Line Items]      
Revenue $ 3,954 $ 4,640 $ 5,643
Other regions | Revenue | Geographic Concentration Risk      
Disaggregation Of Revenue [Line Items]      
Concentration risk, percentage 1.00% 2.00% 2.00%