Restricted Stock and Stock Options (Tables)

12 Months Ended

Dec. 31, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock Option Activity

The following table summarizes information about the stock option activity under the 2005 Incentive Plan:

	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in years)
Outstanding at January 1, 2018		20,000			5.21		2.1
Granted		—			—		—
Exercised		(15,000	)		4.46		0.9
Canceled, forfeited, or expired		—			—		—
Outstanding at December 31, 2018		5,000			3.95		1.9
Exercisable at December 31, 2018		5,000			3.95		1.9
Outstanding at January 1, 2019		5,000			3.95		1.9
Granted		—			—		—
Exercised		(5,000	)		3.95		0.9
Canceled, forfeited, or expired		—			—		—
Outstanding at December 31, 2019		—			—		—
Exercisable at December 31, 2019		—			—		—
Outstanding at January 1, 2020		—			—		—
Granted		—			—		—
Exercised		—			—		—
Canceled, forfeited, or expired		—			—		—
Outstanding at December 31, 2020		—			—		—
Exercisable at December 31, 2020		—			—		—

Weighted Average Grant Date Fair Values of Options Granted

	2020		2019		2018
	(in thousands)
Cash received from option exercises	$	—	$	20	$	67
Total intrinsic value of options exercised		—		287		766
Aggregate intrinsic value of vested options outstanding		—		—		264

Restricted Stock Activity

The following table summarizes information about the common and restricted stock activity under the 2012 Incentive Plan:

	Shares			Weighted Average Grant Date Fair Value per Share
Nonvested balance at January 1, 2018		60,879			45.71
Granted		3,304			59.16
Vested		(24,608	)		44.31
Forfeited		—			—
Nonvested balance at December 31, 2018		39,575			48.93
Granted		22,713			61.08
Vested		(29,760	)		51.86
Forfeited		—			—
Nonvested balance at December 31, 2019		32,528			54.02
Granted		23,207			58.62
Vested		(40,421	)		54.31
Forfeited		—			—
Nonvested balance at December 31, 2020		15,314			60.23

The following table summarizes information about the restricted stock activity under the Non-Employee Director Restricted Stock Plan:

	Shares			Weighted Average Grant Date Fair Value per Share
Nonvested balance at January 1, 2018		6,454			54.20
Granted		5,761			60.75
Vested		(6,454	)		54.20
Forfeited		—			—
Nonvested balance at December 31, 2018		5,761			60.75
Granted		4,890			61.34
Vested		(5,761	)		60.75
Forfeited		—			—
Nonvested balance at December 31, 2019		4,890			61.34
Granted		5,269			68.88
Vested		(5,091	)		61.49
Forfeited		—			—
Nonvested balance at December 31, 2020		5,068			69.03