Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation

The following table presents a reconciliation of the Company’s Level 3 indemnification asset measured and recorded at fair value on a recurring basis as of December 31, 2020 and 2019 (in thousands):

	2020		2019
Balance as of January 1	$	29,789	$	33,882
Change in fair value	(3,878)		(4,093)
Transfer out from Level 3 to Level 1 upon direct listing	(25,911)		—
Balance as of December 31	$	—	$	29,789

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation

The following table presents a reconciliation of the Company’s stock option liability measured and recorded at fair value on a recurring basis as of December 31, 2020 and 2019 (in thousands):

	2020		2019
Balance as of January 1	$	43,026	$	64,250
Settlement of stock options	(896)		(33,901)
Exercise of stock options	(235)		(1,442)
Change in fair value	(9,656)		8,356
Amortization of grant date fair value	5,422		5,763
Reclassification from liability to equity, as of October 1, 2020 (1)	(37,661)		—
Balance as of December 31	$	—	$	43,026

(1)     As of October 1, 2020, based on the Company’s intention and ability to equity settle upon exercise, these stock on the options are classified as equity awards, the $37.7 million liability associated with stock-based compensation award was reclassified to Additional paid-in capital.

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The following table sets forth the carrying amount and fair value of the Senior Term Loan (in thousands):

	December 31, 2020				December 31, 2019
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
Senior Term Loan, net	$	449,165	$	441,742	$	609,407	$	610,000