Stock Based Compensation

9 Months Ended

Sep. 30, 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 ended		Stock-Based Compensation for the Nine months ended		Unamortized Stock-Based Compensation		Remaining Weighted Average Period (years)
September 30, 2021
Restricted Stock	$	1,246	$	3,469	$	8,277		2.0
Unrestricted Stock		100		317		267		0.7
Performance-Based Restricted Stock		365		1,523		3,522		2.0
Total	$	1,711	$	5,309	$	12,066

September 30, 2020
Restricted Stock	$	695	$	2,173	$	3,030		1.3
Unrestricted Stock		110		351		293		0.7
Performance-Based Restricted Stock		426		1,252		1,494		1.3
Total	$	1,231	$	3,776	$	4,817

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- and nine-months ended September 30, 2021 and 2020.

Restricted and Unrestricted Stock — A summary of non-vested shares as of, and for, the three- and nine-months ended September 30, 2021 and 2020, is presented below:

	Nine Months Ended September 30, 2021					Nine Months Ended September 30, 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
Granted		289,757			20.10		43,168			13.45
Vested		(30,112	)		16.72		(37,958	)		13.88
Forfeited		(11,231	)		16.60		(8,221	)		18.64
Nonvested shares at June 30^th		859,843			17.04		492,523			18.22
Granted		3,400			15.17		—			—
Vested		(5,962	)		15.36		—			—
Forfeited		(13,841	)		17.21		(8,430	)		18.54
Nonvested shares at September 30^th		843,440		$	17.04		484,093		$	18.22

Performance-Based Restricted Stock — A summary of non-vested performance-based shares as of, and for, the three- and nine-months ended September 30, 2021 and 2020, respectively is presented below:

	Nine Months Ended September 30, 2021					Nine Months Ended September 30, 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
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
Granted		102,043			20.03		—			—
Forfeited		—			—		(2,268	)		18.00
Nonvested shares at June 30^th		389,402			16.44		231,065			17.63
Forfeited		(3,733	)		17.04		—			—
Nonvested shares at September 30^th		385,669		$	16.43		231,065		$	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 for the three- and nine-months ended September 30, 2021:

	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
Options exercised		(8,826	)		11.35
Balance outstanding, June 30, 2021		108,423			11.49
Options exercised		(387	)		11.49
Balance outstanding, September 30, 2021		108,036		$	11.49

All the incentive stock options outstanding as of September 30, 2021 have an exercise price per share of $11.49 and a remaining life of 39 months.

Activity for the three- and nine-months ended September 30, 2020:

	Number of Shares			Weighted Average Price Per Share
Balance outstanding, December 31, 2019		332,823		$	9.14
Options exercised		(15,836	)		8.83
Balance outstanding, March 31, 2020		316,987			9.16
Options exercised		(9,291	)		8.27
Balance outstanding, June 30, 2020		307,696			9.16
Options exercised		(86,446	)		7.58
Balance outstanding, September 30, 2020		221,250		$	9.81

Performance Incentive Stock Option Plan

Activity for the three- and nine-months ended September 30, 2021:

	Number of Shares		Weighted Average Price Per Share
Balance outstanding, December 31, 2020		114,658	$	11.49
Options exercised		—		—
Balance outstanding, March 31, June 30, and September 30, 2021		114,658	$	11.49

Activity for the three- and nine-months ended September 30, 2020:

	Number of Shares			Weighted Average Price Per Share
Balance outstanding, December 31, 2019		120,782		$	11.49
Options exercised		(3,035	)		11.49
Balance outstanding, March 31, 2020 and June 30, 2020		117,747			11.49
Options exercised		(3,089	)		11.49
Balance outstanding, September 30, 2020		114,658		$	11.49

All the performance incentive stock options outstanding as of September 30, 2021 have an exercise price per share of $11.49 and a remaining life of 39 months.