FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured and Carried at Fair Value

The tables below present information about the Company’s financial assets and liabilities that are measured and carried at fair value and indicate the level within the fair value hierarchy of the valuation techniques it utilizes to determine such fair value:

	Fair Value Measurement as of December 31, 2022
	Total		Level 1		Level 2		Level 3
	(in thousands)
Assets
Money market funds	$	467,553	$	467,553	$	—	$	—
Commercial paper		211,369		—		211,369		—
Government and government agency bonds		807,540		—		807,540		—
Corporate bonds		125,741		—		125,741		—
Strategic investments		31,321		321		—		31,000
Certificates of deposit		42,745		—		42,745		—
Total assets	$	1,686,269	$	467,874	$	1,187,395	$	31,000
Liabilities
Contingent consideration	$	36,900	$	—	$	—	$	36,900
Total liabilities	$	36,900	$	—	$	—	$	36,900
	Fair Value Measurement as of December 31, 2021
	Total		Level 1		Level 2		Level 3
	(in thousands)
Assets
Money market funds	$	1,562,358	$	1,562,358	$	—	$	—
Strategic investments		34,892		2,480		—		32,412
Certificates of deposit		250		250		—		—
Total assets	$	1,597,500	$	1,565,088	$	—	$	32,412
Liabilities
Contingent consideration	$	43,600	$	—	$	—	$	43,600
Total liabilities	$	43,600	$	—	$	—	$	43,600

Summary of Fair Value of Level 3 Financial Assets

The following table represents a roll-forward of the fair value of Level 3 financial assets for each of the periods indicated:

	As of December 31,
	2022			2021
	(in thousands)
Fair value, beginning of year	$	32,412		$	35,100
Additions		1,163			1,800
Changes in estimated fair value		(2,575	)		(4,488	)
Fair value, end of year	$	31,000		$	32,412

Summary of Fair Value of Level 3 Financial Liabilities

The following table represents a roll-forward of the fair value of Level 3 financial liabilities for each of the periods indicated:

	As of December 31,
	2022			2021
	(in thousands)
Fair value, beginning of year	$	43,600		$	50,800
Additions		—			—
Changes in estimated fair value, net		(6,700	)		(7,200	)
Fair value, end of year	$	36,900		$	43,600

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