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Borrowing Arrangements (Tables)
 6 Months Ended
Jun. 30, 2020
Debt Disclosure [Abstract]  
Schedule of Future Principal Payments
The following table sets forth future principal payments:
(in thousands)
YearPrincipal payments
2020$1,000  
20212,019  
20222,109  
20232,226  
20242,302  
Thereafter87,445