Debt (Tables)
 12 Months Ended
Mar. 31, 2020
Debt Disclosure [Abstract]  
Schedule of Outstanding Debt
The Company’s outstanding debt as of March 31, 2020, March 31, 2019 and December 31, 2018 consists of the following (in thousands):
 
March 31, 2020
 
March 31, 2019
 
December 31, 2018
Debt:
 
 
 
 
 
Term loan
$
135,853

 
$
144,810

 
$
146,737

Finance lease obligations
3,012

 
3,783

 
3,982

Total debt
138,865

 
148,593

 
150,719

Less: debt issuance costs
(209
)
 
(309
)
 
(335
)
Total debt, net of issuance costs
138,656

 
148,284

 
150,384

Less: current portion
(12,568
)
 
(10,259
)
 
(9,861
)
Long-term portion of debt
$
126,088

 
$
138,025

 
$
140,523
Schedule of Aggregate Future Minimum Principal Payments on the Term Loan
Aggregate future minimum principal payments are as follows (in thousands):
Year ending March 31,
Term Loan
2021
$
11,756

2022
15,469

2023
109,725

Total
$
136,950
Schedule of Components of Interest Expense
The components of interest expense, net are as follows (in thousands):
 
Year ended
March 31,
 
Three months ended March 31,
(transition period)
 
Year ended
December 31,
 
2020
 
2019
 
2018
 
2017
Interest on term loan debt
$
6,096

 
$
1,774

 
$
6,774

 
$
7,271

Amortization of debt issuance costs
747

 
190

 
792

 
810

Interest on revolving line of credit
149

 
40

 
132

 
526

Interest on finance leases
179

 
50

 
155

 
168

Interest income
(863
)
 
(205
)
 
(37
)
 
—

Interest expense, net
$
6,308

 
$
1,849

 
$
7,816

 
$
8,775