SHAREHOLDERS’ EQUITY AND SHARE-BASED COMPENSATION (Tables)

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Summary of the weighted average fair value of stock options granted, the total intrinsic value of stock options exercised and the fair value of options vested

The following table summarizes the grant date fair value of stock options that vested during the periods presented:

	Three months ended March 31,
(in thousands, except per share amounts)	2021	2020
Grant date fair value of stock options that vested	1,186	1,650

Summary of the activity of the entity's stock options

The following table summarizes the activity related to our stock options:

	Number of options	Weighted average exercise price		Weighted average contractual term (in years)	Aggregate intrinsic value (in thousands)
Outstanding as of December 31, 2020	899,914	$	32.47	5.63	$	—
Forfeited/expired	(6,762)	29.10
Outstanding as of March 31, 2021	893,152	32.49		5.40	—
Exercisable as of March 31, 2021	627,389	28.23		5.41	—

Restricted stock and restricted stock units activity

The following table summarizes the activity related to our restricted shares and restricted share units:

	Number of restricted shares and restricted share units
Outstanding as of December 31, 2020	878,521
Granted	337,971
Issued	(131,054)
Forfeited/canceled	(128,470)
Outstanding as of March 31, 2021	956,968