Development Liability and Development Derivative Liability (Tables)

6 Months Ended

Jun. 30, 2022

Research and Development [Abstract]

Summary of Development Liability

The following table summarizes the development liability (in thousands):

	June 30, 2022			December 31, 2021			Effective  Interest Rate
Development liability	$	439,500		$	456,000			7.91	%
Less: Unamortized discount to development liability		(89,929	)		(103,265	)
Less: Current portion of development liability, net of discount		(15,842	)		(7,584	)
Total long term development liability	$	333,729		$	345,151

Schedule of Development Derivative Liability

The following table presents a rollforward of the development derivative liability for the six months ended June 30, 2021 (in thousands):

Balance at fair market value, January 1, 2021	$	257,868
Loss from remeasurement of development     derivative liability		17,084
Balance at fair market value, March 31, 2021	$	274,952
Amount repaid under the SFJ agreement and SFJ amendment		(4,000	)
Loss from remeasurement of development     derivative liability		21,180
Balance at fair market value, June 30, 2021	$	292,132