Quarterly report pursuant to Section 13 or 15(d)

LEASES Lease Cost (Details)

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LEASES Lease Cost (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Lessee, Lease, Description [Line Items]    
Total lease cost $ 1,480 $ 2,819
Cost of revenue    
Lessee, Lease, Description [Line Items]    
Operating lease cost 1,304 2,576
Operating expenses    
Lessee, Lease, Description [Line Items]    
Variable lease cost 147 212
Variable lease cost $ 29 $ 31