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THE COMPANY AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Jun. 30, 2022 USD ($) segment | Jun. 30, 2021 USD ($) | Mar. 31, 2022 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Number of reportable segments | segment | 1 |  |
Revenue | $ 187,620 | $ 148,327 |
Allowance for credit losses | 695 | 383 |
Accumulated deficit | (745,809) |  | $ (766,438)
Additional paid-in capital | 895,602 |  | 956,599
Service |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Revenue | 179,161 | $ 137,796 |
Revision of Prior Period, Error Correction, Adjustment |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Out of period adjustments amount | 3,300 |  |
Allowance for credit losses | 1,200 |  |
Decrease in contract assets | 2,100 |  |
Reduction in reserves | 1,200 |  |
Revision of Prior Period, Error Correction, Adjustment | Service |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Revenue | $ 2,100 |  |
Revision of Prior Period, Accounting Standards Update, Adjustment |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Accumulated deficit |  |  | 46,700
Additional paid-in capital |  |  | 92,800
Senior notes |  |  | $ 46,200

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