Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis

The following tables summarize the Company’s assets that are measured at fair value on a recurring basis (in thousands):

			Fair Value Measurement at Reporting Date Using
	December 31, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Investment in convertible notes	$	30,129	$	—	$	—	$	30,129

			Fair Value Measurement at Reporting Date Using
	December 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Investment in convertible notes	$	30,000	$	—	$	—	$	30,000

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

The following table provides a roll-forward of the fair value of recurring Level 3 fair value measurements for assets for the years ended December 31 (in thousands):

	2020		2019
Assets:
Beginning of year balance	$	30,000	$	—
Purchase of investment in convertible notes	—		30,000
Fair value adjustments	129		—
Ending balance	$	30,129	$	30,000

Schedule of Liabilities Measured on a Recurring Basis

The following tables summarizes the Company’s liabilities that are measured at fair value on a recurring basis (in thousands):

			Fair Value Measurement at Reporting Date Using
	December 31, 2020		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Liabilities:
Contingent consideration	$	17,260	$	—	$	—	$	17,260
Contingent earnout shares	33,069		—		33,069		—
Total	$	50,329	$	—	$	33,069	$	17,260

			Fair Value Measurement at Reporting Date Using
	December 31, 2019		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Liabilities:
Contingent consideration	$	17,327	$	—	$	—	$	17,327
Contingent earnout shares	61,478		—		61,478		—
Total	$	78,805	$	—	$	61,478	$	17,327

Schedule of Changes in Level 3 Instruments

The following table provides a roll-forward of the fair value of recurring Level 3 fair value measurements for liabilities for the years ended December 31 (in thousands):

	2020		2019		2018
Liabilities:
Beginning of year balance	$	17,327	$	6,782	$	785
Issuance of contingent consideration in connection with acquisitions	3,245		7,216		5,350
Payment of contingent consideration	(4,420)		(1,658)		(387)
Fair value adjustments	1,108		4,987		1,034
Ending balance	$	17,260	$	17,327	$	6,782