Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Summary of Placement in the Fair Value Hierarchy of Financial Assets that are Measured at Fair Value on a Recurring Basis

The following table presents the placement in the fair value hierarchy of financial assets that are measured at fair value on a recurring basis, including the items for which the fair value option has been elected, as of September 30, 2020:

	Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		September 30, 2020
Assets
U.S. government debt securities	$	—	$	85,094	$	—	$	85,094
Other	—		264		—		264
Total	$	—	$	85,358	$	—	$	85,358

The following table presents the placement in the fair value hierarchy of financial assets that are measured at fair value on a recurring basis, including the items for which the fair value option has been elected, as of December 31, 2019:

	Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		December 31, 2019
Assets
U.S. government debt securities	$	—	$	8,996	$	—	$	8,996
Other	—		264		—		264
Total	$	—	$	9,260	$	—	$	9,260

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

The changes in the fair value of the Level 3 liability during the nine months ended September 30, 2020 were as follows:

Balance at December 31, 2019	$	585
Change in fair value of contingent consideration recognized in selling, general and administrative expenses	(585)
Balance at September 30, 2020	$	—