Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of the Company's Stock Option Activity

A summary of the Company’s stock option activity is as follows:

	Shares			Weighted Average Exercise Price Per Share		Aggregate Intrinsic Value
Options outstanding as of December 31, 2020		1,067,880		$	20.91
Granted		—			—
Exercised		(306,015	)		19.50
Forfeited		(1,327	)		18.40
Cancelled		(135,221	)		24.79
Options outstanding as of December 31, 2021		625,317		$	20.76	$	1.0
Options exercisable as of December 31, 2021		509,911		$	22.22	$	0.5

Schedule of the Assumptions Used to Estimate the Fair Value of Each Option Grant

The fair value of each option grant was estimated at the date of grant using the following assumptions:

	2020			2019
Expected life (years)		6.5			6.5
Risk-free interest rate		1.2	%		2.6	%
Expected volatility		42.3	%		39.8	%
Expected dividend yield		—	%		—	%

Restricted Stock Units

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Nonvested Share Activity

A summary of activity for restricted stock units is as follows:

	Shares			Weighted Average Grant Date Fair Value Per Share
Unvested as of December 31, 2020		362,293		$	14.87
Granted		358,255			17.59
Vested		(154,099	)		17.36
Forfeited		(14,793	)		16.98
Unvested as of December 31, 2021		551,656		$	15.89

Performance Shares

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of the Assumptions Used to Estimate the Fair Value of Each Option Grant

The fair value of each total shareholder return performance share unit was estimated at the date of grant using the following assumptions:

	2021			2020			2019
Correlation		27.9	%		32.2	%		32.5	%
Risk-free interest rate		0.2	%		1.1	%		2.5	%
Expected volatility		59.0	%		47.5	%		47.0	%
Expected dividend yield		—	%		—	%		—	%

Schedule of Nonvested Share Activity

A summary of activity for performance share units is as follows:

	Shares			Weighted Average Grant Date Fair Value Per Share
Unvested as of December 31, 2020		358,335		$	18.64
Granted		159,247			18.92
Vested		(5,825	)		17.50
Forfeited		(11,073	)		17.25
Unvested as of December 31, 2021		500,684		$	17.45