Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Goodwill for Reportable Segments

The table below presents goodwill for the Company’s reportable segments as of March 31, 2020 (in thousands):

	Orphan		Inflammation		Total
Goodwill	$	357,498	$	56,171	$	413,669

Amortizable Intangible Assets

Intangible assets as of March 31, 2020 and December 31, 2019 consisted of the following (in thousands):

	March 31, 2020							December 31, 2019
	Cost Basis		Accumulated Amortization			Net Book Value		Cost Basis		Accumulated Amortization			Net Book Value
Developed technology	$	2,863,593	$	(1,117,968	)	$	1,745,625	$	2,758,403	$	(1,059,595	)	$	1,698,808
Customer relationships		8,100		(4,481	)		3,619		8,100		(4,280	)		3,820
Total intangible assets	$	2,871,693	$	(1,122,449	)	$	1,749,244	$	2,766,503	$	(1,063,875	)	$	1,702,628

Estimated Future Amortization Expense

As of March 31, 2020, estimated future amortization expense was as follows (in thousands):

2020 (April to December)	$	178,217
2021		230,012
2022		228,839
2023		228,222
2024		226,790
Thereafter		657,164
Total	$	1,749,244