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Leases - Narrative (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Mar. 31, 2019
Lessee, Lease, Description [Line Items]    
Total finance lease liabilities $ 1,131 $ 2,417
Option to extend term 5 years  
Minimum | Cisco Systems Capital Corporation [Member]    
Lessee, Lease, Description [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 2.89%  
Maximum [Member] | Cisco Systems Capital Corporation [Member]    
Lessee, Lease, Description [Line Items]    
Debt Instrument, Interest Rate, Stated Percentage 3.50%