Stock Options (Tables)

3 Months Ended

Mar. 31, 2021

Stock Options

Summary of option activity under stock option plans

				Weighted
		Weighted		average
		average		remaining	Aggregate
	Number of	exercise		contractual	intrinsic
	options	price		term (years)	value ($)
					(in Thousands)
Options outstanding at December 31, 2020	651,127	$	27.24
Plus: Options granted	—		—
Less:
Options exercised	71,413		21.70
Options expired	—		—
Options forfeited	5,375		27.85
Options outstanding at March 31, 2021	574,339		27.92	5.00	$	10,624
Options fully vested and exercisable at March 31, 2021	342,257	$	23.26	3.47	$	7,928