Stockholders' Equity and Equity Compensation Plans (Tables)

9 Months Ended

Sep. 30, 2022

Stockholders' Equity Note [Abstract]

Summary of Unvested Restricted Common Stock Activity

A summary of our unvested restricted common stock activity during the quarter and nine months ended September 30, 2022 is as follows (shares in thousands):

	Quarter Ended					Nine Months Ended
	September 30, 2022					September 30, 2022
	Shares			Weighted- Average Grant Date Fair Value		Shares			Weighted- Average Grant Date Fair Value
Unvested awards, beginning		1,265		$	53.27		1,206		$	45.22
Awards granted		17			57.02		553			63.41
Awards forfeited/cancelled		(67	)		56.07		(162	)		51.90
Awards vested		(24	)		54.72		(406	)		44.50
Unvested awards, ending		1,191		$	53.22		1,191		$	53.22