OTHER INCOME (LOSS) (Tables)

3 Months Ended

Mar. 31, 2020

Other Income And Expenses [Abstract]

Summary of Other Income (Loss)

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

		For the Three Months Ended March 31,
		2020			2019
	(in thousands)
Interest expense		$	(13,615	)	$	(7,335	)
Interest income			2,139			2,361
Amortization of investment discount			2,964			4,332
Gain from sale of Priority Review Voucher			108,069			—
Other income			1,092			470
Total other income (loss), net		$	100,649		$	(172	)