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Financing Arrangements (Tables)
9 Months Ended
Sep. 30, 2020
Debt Disclosure [Abstract]  
Summary of Carrying Amounts of Debt
A summary of the carrying amounts of our debt follows:
September 30,
2020
December 31,
2019
Senior secured credit facility$248,000 $205,000 
Promissory note due 20243,457 3,853 
Total long-term debt$251,457 $208,853 
Current maturities of long-term debt(540)(529)
Long-term debt, net of current portion$250,917 $208,324 
Schedule of Maturities of Long-term Debt
Below is a summary of the scheduled remaining principal payments of our debt as of September 30, 2020.
Principal Payments of Long-Term Debt
2020$133 
2021$544 
2022$559 
2023$575 
2024$249,646 
Summary of Interest Expense Recognized
The following table presents the amount of interest expense recognized related to the Convertible Notes for the periods presented.
Three Months Ended
September 30, 2019
Nine Months Ended
September 30, 2019
Contractual interest coupon$781 $2,344 
Amortization of debt discount2,171 6,436 
Amortization of debt issuance costs317 947 
Total interest expense$3,269 $9,727