FAIR VALUE MEASUREMENTS - Cash, Cash Equivalents and Investments with Hierarchy (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2022 |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash and cash equivalents | $ 122,229 | $ 111,400 | $ 92,686 |
Accumulated gross unrealized gain, before tax | 0 | 59 | |
Accumulated gross unrealized loss, before tax | (6) | (28) | |
Cash, cash equivalents and debt securities available-for-sale, amortized cost | 139,164 | 138,926 | |
Cash, cash equivalents and debt securities available-for-sale | 139,158 | 138,957 | |
Level 1 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Accumulated gross unrealized gain, before tax | 0 | 4 | |
Accumulated gross unrealized loss, before tax | (2) | (1) | |
Cash, cash equivalents and debt securities available-for-sale, amortized cost | 117,294 | 106,362 | |
Cash, cash equivalents and debt securities available-for-sale | 117,292 | 106,365 | |
Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Amortized Costs | 21,870 | 32,564 | |
Accumulated gross unrealized gain, before tax | 0 | 55 | |
Accumulated gross unrealized loss, before tax | (4) | (27) | |
Debt securities, available-for-sale | 21,866 | 32,592 | |
Cash and Cash Equivalents | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash, cash equivalents and debt securities available-for-sale | 122,229 | 111,400 | |
Cash and Cash Equivalents | Level 1 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash, cash equivalents and debt securities available-for-sale | 112,721 | 104,763 | |
Cash and Cash Equivalents | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | 9,508 | 6,637 | |
Restricted Cash (Current & Non-current) | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash, cash equivalents and debt securities available-for-sale | 983 | 1,329 | |
Restricted Cash (Current & Non-current) | Level 1 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash, cash equivalents and debt securities available-for-sale | 983 | 0 | |
Restricted Cash (Current & Non-current) | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | 0 | 1,329 | |
Short-Term Investments | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | 15,946 | 26,228 | |
Short-Term Investments | Level 1 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | 3,588 | 1,602 | |
Short-Term Investments | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | 12,358 | 24,626 | |
Cash | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash and cash equivalents | 91,556 | 95,828 | |
Cash and cash equivalents, fair value disclosure | 91,556 | 95,828 | |
Cash | Cash and Cash Equivalents | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash and cash equivalents | 91,556 | 95,828 | |
Cash | Restricted Cash (Current & Non-current) | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash and cash equivalents | 0 | 0 | |
Money market funds | Level 1 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash and cash equivalents | 22,148 | 8,935 | |
Cash and cash equivalents, fair value disclosure | 22,148 | 8,935 | |
Accumulated gross unrealized gain, before tax | 0 | 0 | |
Accumulated gross unrealized loss, before tax | 0 | 0 | |
Money market funds | Cash and Cash Equivalents | Level 1 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash and cash equivalents | 21,165 | 8,935 | |
Money market funds | Restricted Cash (Current & Non-current) | Level 1 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash and cash equivalents | 983 | 0 | |
Money market funds | Short-Term Investments | Level 1 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | 0 | 0 | |
Treasury securities | Level 1 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Amortized Costs | 3,590 | 1,599 | |
Accumulated gross unrealized gain, before tax | 0 | 4 | |
Accumulated gross unrealized loss, before tax | (2) | (1) | |
Debt securities, available-for-sale | 3,588 | 1,602 | |
Treasury securities | Cash and Cash Equivalents | Level 1 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | 0 | 0 | |
Treasury securities | Restricted Cash (Current & Non-current) | Level 1 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | 0 | 0 | |
Treasury securities | Short-Term Investments | Level 1 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | 3,588 | 1,602 | |
Certificate of deposit | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash and cash equivalents | 4,290 | 1,329 | |
Cash and cash equivalents, fair value disclosure | 4,290 | 1,329 | |
Accumulated gross unrealized gain, before tax | 0 | 0 | |
Accumulated gross unrealized loss, before tax | 0 | 0 | |
Certificate of deposit | Cash and Cash Equivalents | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash and cash equivalents | 4,290 | 0 | |
Certificate of deposit | Restricted Cash (Current & Non-current) | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Cash and cash equivalents | 0 | 1,329 | |
Certificate of deposit | Short-Term Investments | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | 0 | 0 | |
Commercial paper | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Amortized Costs | 15,357 | 8,610 | |
Accumulated gross unrealized gain, before tax | 0 | 0 | |
Accumulated gross unrealized loss, before tax | (2) | (2) | |
Debt securities, available-for-sale | 15,355 | 8,608 | |
Commercial paper | Cash and Cash Equivalents | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | 5,218 | 6,637 | |
Commercial paper | Restricted Cash (Current & Non-current) | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | | 0 | |
Commercial paper | Short-Term Investments | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | 10,137 | 1,971 | |
Corporate debt | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Amortized Costs | 2,223 | 22,625 | |
Accumulated gross unrealized gain, before tax | | 55 | |
Accumulated gross unrealized loss, before tax | (2) | (25) | |
Debt securities, available-for-sale | 2,221 | 22,655 | |
Corporate debt | Cash and Cash Equivalents | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | 0 | 0 | |
Corporate debt | Restricted Cash (Current & Non-current) | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | | 0 | |
Corporate debt | Short-Term Investments | Level 2 | | | |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | | | |
Debt securities, available-for-sale | $ 2,221 | $ 22,655 | |