Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Assets Measured at Fair Value on Recurring Basis

The Company held certain assets that are required to be measured at fair value on a recurring basis as of March 31, 2022, as follows:

			Fair Value Measurement as of March 31, 2022 Using
	Total Fair Value		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
(in thousands)			(Level 1)		(Level 2)		(Level 3)
U.S. Treasury and government agencies	$	204,835	$	204,835	$	—	$	—
Corporate debt	181,397		—		181,397		—
Total assets measured at fair value	$	386,232	$	204,835	$	181,397	$	—

The Company held certain assets that are required to be measured at fair value on a recurring basis as of December 31, 2021, as follows:

			Fair Value Measurement as of December 31, 2021 Using
	Total Fair Value		Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
(in thousands)			(Level 1)		(Level 2)		(Level 3)
U.S. Treasury and government agencies	$	194,719	$	194,719	$	—	$	—
Corporate debt	186,023		—		186,023		—
Total assets measured at fair value	$	380,742	$	194,719	$	186,023	$	—