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Borrowing Arrangements (Tables)
 9 Months Ended
Sep. 30, 2020
Debt Disclosure [Abstract]  
Schedule of Future Principal Payments
The following table sets forth future principal payments:
(in thousands)
YearPrincipal payments
2020$520 
20212,020 
20222,110 
20232,226 
20242,303 
Thereafter87,431