Shareholders' Equity

3 Months Ended

Mar. 31, 2022

Equity [Abstract]

Shareholders' Equity

Shareholders’ Equity

The following table details activity in our common stock ($ in thousands):

	Three Months Ended March 31,
	2022			2021
	Shares	Amount		Shares	Amount
Purchases of treasury shares	—	$	—	—	$	—
Stock option exercises	50	8,045		120	18,102
Employee stock plan purchases	8	3,678		8	3,038
Restricted stock units vested, net of withheld shares upon award settlement	78	(12,587)		56	(8,958)

As of March 31, 2022, we have authorization from our board of directors to repurchase up to 2.4 million additional shares of our common stock.