v3.22.2.2
FAIR VALUE MEASUREMENTS - Cash, Cash Equivalents and Investments with Hierarchy (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents $ 100,512 $ 91,205 $ 102,989
Accumulated gross unrealized gain, before tax 0 0  
Accumulated gross unrealized loss, before tax (220) (204)  
Cash, cash equivalents and debt securities available-for-sale, amortized cost 132,472 148,434  
Cash, cash equivalents and debt securities available-for-sale 132,252 148,230  
Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Accumulated gross unrealized gain, before tax 0 0  
Accumulated gross unrealized loss, before tax 0 (7)  
Cash, cash equivalents and debt securities available-for-sale, amortized cost 90,472 87,533  
Cash, cash equivalents and debt securities available-for-sale 90,472 87,526  
Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Amortized Costs 42,000 60,901  
Accumulated gross unrealized gain, before tax 0 0  
Accumulated gross unrealized loss, before tax (220) (197)  
Debt securities, available-for-sale 41,780 60,704  
Cash      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 88,288 70,095  
Cash and cash equivalents, fair value disclosure 88,288 70,095  
Money market funds | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 2,184 12,865  
Cash and cash equivalents, fair value disclosure 2,184 12,865  
Treasury securities | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Amortized Costs 4,573  
Accumulated gross unrealized gain, before tax 0 0  
Accumulated gross unrealized loss, before tax (7)  
Debt securities, available-for-sale 4,566  
Certificate of deposit | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 1,329 9,509  
Cash and cash equivalents, fair value disclosure 1,329 9,509  
Accumulated gross unrealized gain, before tax 0 0  
Accumulated gross unrealized loss, before tax 0 0  
Commercial paper | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Amortized Costs 18,460 23,950  
Accumulated gross unrealized gain, before tax 0 0  
Accumulated gross unrealized loss, before tax (22) (34)  
Debt securities, available-for-sale 18,438 23,916  
Corporate debt | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Amortized Costs 22,211 27,442  
Accumulated gross unrealized gain, before tax 0  
Accumulated gross unrealized loss, before tax (198) (163)  
Debt securities, available-for-sale 22,013 27,279  
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 100,512 91,205  
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 90,472 82,960  
Cash and Cash Equivalents | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 10,040 8,245  
Cash and Cash Equivalents | Cash      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 88,288 70,095  
Cash and Cash Equivalents | Money market funds | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 2,184 12,865  
Cash and Cash Equivalents | Treasury securities | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 0 0  
Cash and Cash Equivalents | Certificate of deposit | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 0 0  
Cash and Cash Equivalents | Commercial paper | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 10,040 800  
Cash and Cash Equivalents | Corporate debt | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 7,445  
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 1,329 9,509  
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 0 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 1,329 9,509  
Restricted Cash (Current & Non-current) | Cash      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 0 0  
Restricted Cash (Current & Non-current) | Money market funds | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 0 0  
Restricted Cash (Current & Non-current) | Treasury securities | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 0 0  
Restricted Cash (Current & Non-current) | Certificate of deposit | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Cash and cash equivalents 1,329 9,509  
Restricted Cash (Current & Non-current) | Commercial paper | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 0  
Restricted Cash (Current & Non-current) | Corporate debt | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 0  
Short-Term Investments      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale   44,845  
Cash, cash equivalents and debt securities available-for-sale 30,411    
Short-Term Investments | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 0 4,566  
Short-Term Investments | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 30,411 40,279  
Short-Term Investments | Treasury securities | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 0 4,566  
Short-Term Investments | Certificate of deposit | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 0 0  
Short-Term Investments | Commercial paper | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 8,398 16,471  
Short-Term Investments | Corporate debt | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 22,013 23,808  
Long-Term Investments      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale   2,671  
Cash, cash equivalents and debt securities available-for-sale 0    
Long-Term Investments | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 0 0  
Long-Term Investments | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 0 2,671  
Long-Term Investments | Treasury securities | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 0 0  
Long-Term Investments | Certificate of deposit | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 0 0  
Long-Term Investments | Commercial paper | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale 0 0  
Long-Term Investments | Corporate debt | Level 2      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt securities, available-for-sale $ 0 $ 2,671