Long-Term Debt	6 Months Ended
Jun. 30, 2021
Debt Disclosure [Abstract]
Long-Term Debt	8. Long-Term Debt On February 20, 2018, we entered into a $175.0 million term loan agreement (“Loan Agreement”) with CRG Servicing LLC. We borrowed $100.0 million under the Loan Agreement at closing and the remaining $75.0 million in March 2019 (collectively, “Term Loans”). Net proceeds under the Loan Agreement were $173.3 million. The Term Loans under the Loan Agreement bore interest at a rate equal to 9.5% per annum. The Term Loans had a maturity date of December 31, 2023. In May 2021, we repaid the Term Loans Principal, in full, using the net proceeds from the Convertible Notes issuance. In connection with the early repayment of the Term Loans Principal, during the three and six months ended June 30, 2021, we recorded $5.2 million loss on debt extinguishment related to the amount we paid to terminate the Term Loans Principal in excess of its carrying value at the time of the repayment. Our final payment of $190.2 million to CRG Servicing LLC satisfied all of our obligations under the Loan Agreement. With the full repayment of the Term Loans Principal, all security interests, covenants, liens and encumbrances under the Loan Agreement were permanently released. We recorded $2.3 million and $4.7 million of interest expense related to the Term Loans during the three months ended June 30, 2021 and 2020, respectively. We recorded $7.0. million and $9.4 million of interest expense related to the Term Loans during the six months ended June 30, 2021 and 2020, respectively.

Long-Term Debt

6 Months Ended

Jun. 30, 2021

8. Long-Term Debt

On February 20, 2018, we entered into a $175.0 million term loan agreement (“Loan Agreement”) with CRG Servicing LLC. We borrowed $100.0 million under the Loan Agreement at closing and the remaining $75.0 million in March 2019 (collectively, “Term Loans”). Net proceeds under the Loan Agreement were $173.3 million. The Term Loans under the Loan Agreement bore interest at a rate equal to 9.5% per annum. The Term Loans had a maturity date of December 31, 2023.

In May 2021, we repaid the Term Loans Principal, in full, using the net proceeds from the Convertible Notes issuance. In connection with the early repayment of the Term Loans Principal, during the three and six months ended June 30, 2021, we recorded $5.2 million loss on debt extinguishment related to the amount we paid to terminate the Term Loans Principal in excess of its carrying value at the time of the repayment. Our final payment of $190.2 million to CRG Servicing LLC satisfied all of our obligations under the Loan Agreement. With the full repayment of the Term Loans Principal, all security interests, covenants, liens and encumbrances under the Loan Agreement were permanently released.

We recorded $2.3 million and $4.7 million of interest expense related to the Term Loans during the three months ended June 30, 2021 and 2020, respectively. We recorded $7.0. million and $9.4 million of interest expense related to the Term Loans during the six months ended June 30, 2021 and 2020, respectively.