OTHER (LOSS) INCOME (Tables)

9 Months Ended

Sep. 30, 2020

Other Income And Expenses [Abstract]

Summary of Other (Loss) Income

The following table summarizes other (loss) income for the periods indicated:

		For the Three Months Ended September 30,						For the Nine Months Ended September 30,
		2020			2019			2020			2019
	(in thousands)
Interest expense		$	(13,889	)	$	(7,518	)	$	(41,217	)	$	(22,279	)
Interest income			122			1,293			2,899			5,758
Amortization of investment discount			313			4,089			4,276			13,002
Gain from sale of Priority Review    Voucher			—			—			108,069			—
Loss on contingent consideration*			(45,000	)		—			(45,000	)		—
Other expense, net			(881	)		(374	)		(160	)		(25	)
Total other (loss) income		$	(59,335	)	$	(2,510	)	$	28,867		$	(3,544	)

* The loss on contingent consideration is related to the fair value adjustment of the regulatory-related contingent payments that are accounted for as derivatives. Please see Note 5. Fair Value Measurements for further details.