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Stock Incentive Plan (Tables)

6 Months Ended

Jun. 30, 2021

Share-based Payment Arrangement [Abstract]

Summary of Stock Option Activity

A summary of the stock option activity is as follows:

			Options						Weighted Average Exercise Price						Weighted Average Remaining Contractual Life						Aggregate Intrinsic Value (in thousands)
Outstanding, December 31, 2020			3,516,484						$12.79						5.93						$	25,718
Granted			556,160						$20.23
Exercised			(545,912)						$5.86
Cancelled			(126,171)						$16.81
Outstanding, June 30, 2021			3,400,561						$14.97						6.59						$	27,868
Exercisable, June 30, 2021			1,978,225						$13.57						4.97						$	19,749

Schedule of Weighted-Average Assumptions for Options Granted

The Company used the following weighted-average assumptions for options granted during the periods indicated:

						June 30, 2021
Expected term (in years)						5.93
Expected volatility						58.91		%
Risk free rate						1.03		%
Expected dividends						—		%

Summary of Stock Unit Activity

A summary of the status of non-vested RSUs/PSUs as of June 30, 2021 and the changes during the six months then ended are presented below:

			Outstanding Stock Units
			Stock Units						Weighted-Average Fair Value at Date of Grant per Share						Weighted Average Remaining Vesting Life						Aggregate Intrinsic Value (in thousands)
Unvested December 31, 2020			1,782,905						$	15.23					1.83						$	31,825
Granted			810,316						$	20.68
Released			(139,145)						$	17.81
Forfeited			(181,673)						$	16.33
Unvested June 30, 2021			2,272,403						$	16.92					1.87						$	49,107

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Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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