Share Based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Share-based Payment Arrangement [Abstract]

Share Award Transactions. The following transactions have occurred in connection with the Company’s share based compensation plans during the years ended December 31,:


	2020	2019	2018
Restricted stock awards granted	167,650	149,950	121,850
Restricted stock awards forfeited	—	(4,230)	—
Director stock awards granted	2,375	2,125	2,875
Stock Option Activities:
Outstanding as of the beginning of year	1,454,074	1,467,391	1,546,014
Granted	175,800	165,650	142,550
Exercised	(123,829)	(165,893)	(220,694)
Forfeited	—	(5,200)	—
Expired	(5,986)	(7,874)	(479)
Outstanding as of the end of year	1,500,059	1,454,074	1,467,391
Employee Stock Purchase Plans shares issued	62,161	44,383	45,251
Shares available for issuance under Share Incentive and Employee Stock Purchase Plans as of the end of year	1,037,414	539,414	884,218

Schedule of Share-based Compensation, Restricted Stock Activity

During the year ended December 31, 2020, the number of shares and the weighted average grant price of restricted stock transactions were as follows:


	Restricted Stock
	Number of Shares	Weighted Average Grant Price
Nonvested as of December 31, 2019	241,180	$	44.55
Granted	167,650	$	32.65
Vested	(55,940)	$	44.39

Nonvested as of December 31, 2020	352,890	$	38.92

Schedule of Share-based Compensation, Stock Options Activity

During the year ended December 31, 2020, the number of shares and the weighted average exercise price on stock option transactions were as follows:


	Total Options
	Number of Shares	Weighted Average Exercise Price
Outstanding, as of December 31, 2019	1,454,074	$	43.19
Granted	175,800	$	31.88
Exercised	(123,829)	$	35.79

Expired	(5,986)	$	49.71
Outstanding, as of December 31, 2020	1,500,059	$	42.45
Outstanding and Exercisable, as of December 31, 2020	1,070,779	$	44.08