Shareholders' Equity (Tables)

3 Months Ended

6 Months Ended

Jun. 30, 2021

Jun. 30, 2020

Jun. 30, 2021

Jun. 30, 2020

Equity [Abstract]

Summary of Changes in Shareholders' Equity

A summary of changes in shareholders’ equity for the three months ended June 30, 2021 is presented below:

	Common Stock		Additional Paid-In Capital		Retained Earnings		Treasury Stock		Deferred Compensation Trust		Deferred Compensation Liability		Total
Balance, March 31, 2021	$	206	$	2,272,006	$	9,059,882	$	(8,285,587)	$	(16,710)	$	16,710	$	3,046,507
Net income	—		—		321,295		—		—		—		321,295
Purchase of common stock for treasury	—		—		—		(376,941)		—		—		(376,941)
Equity-based compensation	—		13,379		—		—		—		—		13,379
Proceeds from Options exercised	—		38,048		—		—		—		—		38,048
Treasury stock issued upon option exercise and restricted share vesting	—		(8,869)		—		8,869		—		—		—
Balance, June 30, 2021	$	206	$	2,314,564	$	9,381,177	$	(8,653,659)	$	(16,710)	$	16,710	$	3,042,288

A summary of changes in shareholders’ equity for the three months ended June 30, 2020 is presented below:

	Common Stock		Additional Paid-In Capital		Retained Earnings		Treasury Stock		Deferred Compensation Trust		Deferred Compensation Liability		Total
Balance, March 31, 2020	$	206	$	2,127,315	$	8,085,575	$	(7,796,177)	$	(16,912)	$	16,912	$	2,416,919
Net income	—		—		164,075		—		—		—		164,075
Deferred compensation activity, net	—		—		—		—		202		(202)		—
Equity-based compensation	—		14,434		—		—		—		—		14,434
Proceeds from Options exercised	—		16,984		—		—		—		—		16,984
Treasury stock issued upon option exercise and restricted share vesting	—		(7,110)		—		7,110		—		—		—
Balance, June 30, 2020	$	206	$	2,151,623	$	8,249,650	$	(7,789,067)	$	(16,710)	$	16,710	$	2,612,412

A summary of changes in shareholders’ equity for the six months ended June 30, 2021 is presented below:

	Common Stock		Additional Paid-In Capital		Retained Earnings		Treasury Stock		Deferred Compensation Trust		Deferred Compensation Liability		Total
Balance, December 31, 2020	$	206	$	2,214,426	$	8,811,120	$	(7,922,678)	$	(16,710)	$	16,710	$	3,103,074
Net income	—		—		570,057		—		—		—		570,057
Purchase of common stock for treasury	—		—		—		(754,366)		—		—		(754,366)
Equity-based compensation	—		27,850		—		—		—		—		27,850
Proceeds from Options exercised	—		95,673		—		—		—		—		95,673
Treasury stock issued upon option exercise and restricted share vesting	—		(23,385)		—		23,385		—		—		—
Balance, June 30, 2021	$	206	$	2,314,564	$	9,381,177	$	(8,653,659)	$	(16,710)	$	16,710	$	3,042,288

A summary of changes in shareholders’ equity for the six months ended June 30, 2020 is presented below:

	Common Stock		Additional Paid-In Capital		Retained Earnings		Treasury Stock		Deferred Compensation Trust		Deferred Compensation Liability		Total
Balance, December 31, 2019	$	206	$	2,055,407	$	7,909,872	$	(7,624,241)	$	(16,912)	$	16,912	$	2,341,244
Net income	—		—		339,778		—		—		—		339,778
Deferred compensation activity, net	—		—		—		—		202		(202)		—
Purchase of common stock for treasury	—		—		—		(216,582)		—		—		(216,582)
Equity-based compensation	—		21,926		—		—		—		—		21,926
Proceeds from Options exercised	—		126,046		—		—		—		—		126,046
Treasury stock issued upon option exercise and restricted share vesting	—		(51,756)		—		51,756		—		—		—
Balance, June 30, 2020	$	206	$	2,151,623	$	8,249,650	$	(7,789,067)	$	(16,710)	$	16,710	$	2,612,412