Stock Based Compensation

3 Months Ended

Mar. 31, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

13. Stock-Based Compensation — The following tables illustrate the Company’s stock-based compensation, unamortized stock-based compensation, and remaining weighted average amortization period.

	Stock-Based Compensation for the Three months Period		Unamortized Stock-Based Compensation as of March 31		Remaining Weighted Average Period (years)
March 31, 2021
Time-Based Restricted Stock	$	1,057	$	5,703		1.8
Unrestricted Stock		110		73		0.2
Performance-Based Restricted Stock		625		2,698		1.8
Total	$	1,792	$	8,474

March 31, 2020
Time-Based Restricted Stock	$	776	$	4,555		1.5
Unrestricted Stock		123		82		0.2
Performance-Based Restricted Stock		458		2,288		1.7
Total	$	1,357	$	6,925

The Company also granted stock options in past periods. All outstanding stock options are fully vested and exercisable and no expense was recorded during the three months ended March 31, 2021 and 2020.

Restricted and Unrestricted Stock — A summary of nonvested time based restricted and unrestricted stock is presented below:

	Three Months Ended March 31, 2021					Three Months Ended March 31, 2020
	Number of Shares			Weighted Average Grant Date Fair Value		Number of Shares			Weighted Average Grant Date Fair Value
Nonvested shares at December 31^st		820,624		$	16.64		719,845		$	17.67
Granted		—			—		4,185			18.63
Vested		(197,615	)		19.91		(213,781	)		16.18
Forfeited		(11,580	)		16.95		(14,715	)		18.08
Nonvested shares at March 31^st		611,429		$	15.57		495,534		$	18.31

Performance-Based Restricted Stock — A summary of nonvested performance-based stock is presented below:

	Three Months Ended March 31, 2021					Three Months Ended March 31, 2020
	Number of Shares			Weighted Average Grant Date Fair Value		Number of Shares			Weighted Average Grant Date Fair Value
Nonvested shares at December 31^st		391,771		$	16.26		345,432		$	16.92
Granted		—			—		—			—
Additional granted based on performance achievement		71,180			20.53		76,445			16.56
Vested		(175,087	)		19.78		(184,785	)		15.87
Forfeited		(505	)		19.26		(3,759	)		17.23
Nonvested shares at March 31^st		287,359		$	15.16		233,333		$	17.63

Stock Options — The Company has stock options outstanding under its incentive stock option plans and performance incentive stock option plan. All outstanding stock options are vested and exercisable. The following tables present details for each type of plan:

Incentive Stock Option Plans

Activity of the incentive stock option plans:

	Number of Shares			Weighted Average Price Per Share
Balance outstanding, December 31, 2020		123,087		$	11.48
Options exercised		(5,838	)		11.49
Balance outstanding, March 31, 2021		117,249		$	11.48

Outstanding at March 31, 2021, summarized by exercise price:

	Outstanding Weighted Average
Exercise Price Per Share	Shares		Remaining Life (Months)		Exercise Price
Incentive Stock Option Plan:
$11.32		7,200		3	$	7.5
$14.49		110,049		45	$	11.49
		117,249			$	11.48

Performance Incentive Stock Option Plan

Activity of the performance incentive stock option plan:

	Number of Shares		Weighted Average Price Per Share
Balance outstanding, December 31, 2020		114,658	$	11.49
Options exercised		—		—
Balance outstanding, March 31, 2021		114,658	$	11.49

All the performance incentive stock options outstanding as of March 31, 2021 have an exercise price per share of $11.49 and a remaining life of 45 months.