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Debt - Schedule of Components of Interest Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2018
Debt Instrument [Line Items]          
Amortization of debt issuance costs $ 190   $ 847 $ 747 $ 792
Interest income (205)   (5) (863) (37)
Interest expense, net 1,849 $ 1,963 4,090 6,307 7,816
Interest expense, net       6,308  
Finance leases          
Debt Instrument [Line Items]          
Interest 50   137 179 155
Term loan          
Debt Instrument [Line Items]          
Interest 1,774   2,912 6,096 6,774
Revolving credit facility          
Debt Instrument [Line Items]          
Interest $ 40   $ 199 $ 149 $ 132