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v3.25.1

Summary of Significant Accounting Policies - Additional Information (Detail) | 12 Months Ended
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Mar. 31, 2025 USD ($) Customer Segment PerformanceObligation | Mar. 31, 2024 USD ($) Customer | Mar. 31, 2023 Customer
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Maturities of short term investment interest-bearing securities | 90 days |  |
Accounts receivable due period | 30 days |  |
Revenue recognition, number of performance obligation | PerformanceObligation | 1 |  |
Unbilled account receivables | $ 46,493,000 | $ 42,417,000 |
Number of operating segments | Segment | 1 |  |
Capitalized software development costs | $ 42,756,000 | 37,166,000 |
Accumulated amortization of software development costs | 170,041,000 | 155,998,000 |
Impairment of goodwill, intangible assets or other long-lived assets | 0 | 0 |
Goodwill | $ 36,814,000 | $ 36,814,000 |
Computer Software Property and Equipment [Member] |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Amortization period of computer software | 5 years |  |
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of customer | Customer | 0 | 0 | 0
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | No Customer [Member] |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Maximum customer risk percentage | 10.00% | 10.00% | 10.00%
Credit Concentration Risk [Member] | Accounts Receivable [Member] |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Number of customer | Customer | 2 | 1 |
Credit Concentration Risk [Member] | Accounts Receivable [Member] | One Customer [Member] |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Maximum customer risk percentage |  | 10.00% |
Credit Concentration Risk [Member] | Accounts Receivable [Member] | Two Customer [Member] |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Maximum customer risk percentage | 10.00% |  |

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