Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis

The Company's assets and liabilities that are measured at fair value on a recurring basis, by level, within the fair value hierarchy as of December 31, 2020 and December 31, 2019, are summarized as follows (amounts in thousands).

	December 31, 2020								December 31, 2019
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents:
Money market funds	$	328,195	$	—	$	—	$	328,195	$	2,899	$	—	$	—	$	2,899
Total assets	$	328,195	$	—	$	—	$	328,195	$	2,899	$	—	$	—	$	2,899
Liabilities:
Contingent earn-out	$	—	$	—	$	—	$	—	$	—	$	—	$	557	$	557
Total liabilities	$	—	$	—	$	—	$	—	$	—	$	—	$	557	$	557

Schedule of Changes in Fair Value of Level 3 Liabilities

The changes in fair value of the Level 3 liabilities are as follows (amounts in thousands):

	Contingent Earn-Out
	December 31,
	2020		2019
Balance, Beginning of year	$	557	$	2,372
Conversable, Inc. fair value adjustment (see Note 8)	—		(496)
AdvantageTec, Inc. fair value adjustment (see Note 8)	(263)		168
Payments	(294)		(1,487)
Balance, End of year	$	—	$	557