Quarterly report pursuant to Section 13 or 15(d)

Leases - Supplemental Statement of Operations Information (Details)

v3.20.2
Leases - Supplemental Statement of Operations Information (Details) - USD ($)
$ in Thousands
 3 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Finance lease expense:    
Net lease expense $ 1,250 $ 1,343
Marketing, general and administrative and engineering    
Lessee, Lease, Description [Line Items]    
Operating lease expense 1,141 808
Finance lease expense:    
Amortization of ROU assets 77 59
Short-term lease expense 21 463
Interest expense    
Finance lease expense:    
Interest expense on finance lease liabilities $ 11 $ 13