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Borrowings (Tables)
3 Months Ended
Mar. 31, 2021
Debt Disclosure [Abstract]  
Schedule of Borrowings The following tables summarize the Company’s borrowings as of March 31, 2021, and December 31, 2020 (in thousands):
March 31, 2021
Principal repayment obligation
Unamortized DFC and discountsCarrying value
2018 Term Loan, due September 2021$17,000 $(152)$16,848 
2019 Term Loan— — — 
2020 Unsecured Note— — — 
Total borrowings$17,000 $(152)$16,848 
December 31, 2020
Principal repayment obligationUnamortized DFC and discountsCarrying value
2018 Term Loan, due September 2021$60,000 $(805)$59,195 
2019 Term Loan, due March 2022 (a)
43,217 (4,942)38,275 
2020 Unsecured Note16,000 (2,376)13,624 
Total borrowings$119,217 $(8,123)$111,094 
(a) Includes paid-in-kind interest on the 2019 Term Loan of $3.3 million.