Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Restricted Stock Unit, Restricted Performance Stock Unit and Option Activity

Restricted stock unit, restricted performance stock unit and option activity for the nine months ended September 30, 2021 is summarized in the following table:

	Equity Incentive Awards
	Restricted Stock Units			Weighted Average Grant Date Fair Value		Performance Shares			Weighted Average Grant Date Fair Value		Options			Weighted Average Exercise Price
Balance at December 31, 2020		1,213,667		$	3.59		2,176,290		$	4.88		24,000		$	20.39
Granted		411,291			5.94		653,438			8.41		—			—
Settled		(606,004	)		3.30		(193,778	)		5.45		—			—
Forfeited or expired		(32,525	)		8.13		(151,369	)		12.61		(15,000	)		22.57
Balance at September 30, 2021		986,429		$	4.60		2,484,581		$	6.67		9,000		$	16.76
Awards estimated to vest in the future		945,154		$	4.65		2,080,561		$	6.82		9,000		$	16.76