STOCK AWARD PLANS (Tables)

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of Stock-based Compensation

A summary of our total compensation expense recognized in our condensed consolidated statements of operations and comprehensive income for stock-based compensation is as follows (in thousands):

	Three Months Ended March 31,
	2021		2020
Stock options	$	3,967	$	5,013
Stock awards	18,948		5,403
Company expense on ESPP discount	1,074		981
Total stock-based compensation expense	$	23,989	$	11,397

Schedule Employee Stock Purchase Plan Activity

The following is a summary of the employee stock purchase plan activity (dollars in thousands): 

Three Months Ended March 31, 2021
Shares purchased by employees	Aggregate cost to employees		Expense recognized by the company
75,029	$	6,086	$	1,074