Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Foreign Exchange Contracts (Details)

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Fair Value Measurements - Foreign Exchange Contracts (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Maximum term of forward contracts 30 days    
Gain (loss) on realized on foreign currency related to forward contracts $ 811 $ 437 $ 125
Net foreign currency loss 283 580 228
Foreign Exchange Forward Contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Foreign exchange contract forwards, assets 61 140  
Foreign exchange contract forwards, liabilities 32 49  
Gain (loss) on realized on foreign currency related to forward contracts $ (811) $ 437 $ 125