Debt (Tables)

6 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Balances of OrbiMed Loan

The balances of the OrbiMed Loan as of June 30, 2021 and December 31, 2020 were as follows:

	June 30, 2021			December 31, 2020
Liability component - principal	$	200,000		$	200,000
Exit fee		14,000			14,000
Unamortized debt discount associated with the exit fee, debt financing costs and discount with warrant financing		(18,390	)		(19,750	)
Liability component - net carrying value	$	195,610		$	194,250

Interest Expense Related to OrbiMed Loan and CRG Loan

Interest expense related to the OrbiMed Loan and CRG Loan were included in interest expense, net in the condensed consolidated statements of operations and comprehensive income (loss) as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
		2021		2020		2021		2020
Interest on principal balance	$	6,582	$	6,681	$	13,092	$	12,894
Amortization of deferred financing costs		697		340		1,361		680
Total term loan interest expense	$	7,279	$	7,021	$	14,453	$	13,574