Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2022

Goodwill And Intangible Assets Disclosure [Abstract]

Amortizable Intangible Assets

Intangible assets as of March 31, 2022 and December 31, 2021 consisted of the following (in thousands):

	March 31, 2022							December 31, 2021
	Cost Basis		Accumulated Amortization			Net Book Value		Cost Basis		Accumulated Amortization			Net Book Value
Developed technology	$	4,580,293	$	(1,731,152	)	$	2,849,141	$	4,579,171	$	(1,642,427	)	$	2,936,744
In-process research and development		880,000		—			880,000		880,000		—			880,000
Other intangibles		29,894		(7,056	)		22,838		29,894		(6,520	)		23,374
Total intangible assets	$	5,490,187	$	(1,738,208	)	$	3,751,979	$	5,489,065	$	(1,648,947	)	$	3,840,118

Estimated Future Amortization Expense

As of March 31, 2022, estimated future amortization expense was as follows (in thousands):

2022 (April to December)	$	271,129
2023		353,187
2024		353,005
2025		352,377
2026		297,114
Thereafter		1,245,167
Total	$	2,871,979