Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Financial Assets and Liabilities by Level within the Fair Value Hierarchy

The following table sets forth the fair value of our financial assets and liabilities by level within the fair value hierarchy:

	December 31, 2019
	Level 1		Level 2		Level 3		Fair Value
	(in thousands)
Assets
Cash equivalents:
Money market funds	$	130,640	$	—	$	—	$	130,640
Short-term investment:
Certificates of deposit	150,000		—		—		150,000
Total assets at fair value	$	280,640	$	—	$	—	$	280,640
Liabilities
Other current liabilities—contingent consideration	$	—	$	—	$	3,004	$	3,004
Other noncurrent liabilities—contingent consideration	—		—		2,411		2,411
Total liabilities at fair value	$	—	$	—	$	5,415	$	5,415

	December 31, 2018
	Level 1		Level 2		Level 3		Fair Value
	(in thousands)
Assets
Cash equivalents:
Money market funds	$	96,681	$	—	$	—	$	96,681
Total assets at fair value	$	96,681	$	—	$	—	$	96,681
Liabilities
Other current liabilities—contingent consideration	$	—	$	—	$	1,316	$	1,316
Other noncurrent liabilities—contingent consideration	—		—		3,688		3,688
Total liabilities at fair value	$	—	$	—	$	5,004	$	5,004

Schedule of Investments Reconciliation

Cash, cash equivalents and short-term investments were as follows (in thousands):

	December 31, 2019
	Adjusted Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	(in thousands)
Cash	$	111,098	$	—	$	—	$	111,098
Money market funds	130,640		—		—		130,640
Total cash, and cash equivalents	$	241,738	$	—	$	—	$	241,738
Certificates of deposit	$	150,000	$	—	$	—	$	150,000
Total short-term investments	$	150,000	$	—	$	—	$	150,000
Total cash, cash equivalents and short-term investments	$	391,738	$	—	$	—	$	391,738

	December 31, 2018
	Adjusted Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
	(in thousands)
Cash	$	12,247	$	—	$	—	$	12,247
Money market funds	96,681		—		—		96,681
Total cash and cash equivalents	$	108,928	$	—	$	—	$	108,928

Schedule of Changes in Level 3 Financial Liability

The following table sets forth the changes in our Level 3 financial liabilities during the periods presented:

	Year Ended December 31,
	2019			2018
	(in thousands)
Beginning balance	$	5,004		$	—
Contingent consideration recorded upon acquisition (Note 4)	3,300			6,204
Change in fair value of contingent consideration liabilities (Note 4)	843			(1,200		)
Payment related to Retrofit contingent consideration (Note 4)	(1,316		)	—
Payment related to myStrength contingent consideration (Note 4)	(2,416		)	—
Ending balance	$	5,415		$	5,004