STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2022

STOCK-BASED COMPENSATION

Summary of information related to stock-based incentive compensation plans

	June 30, 2022
Shares available for future issuance under the 2017 Omnibus Incentive Plan	1,533
Shares available for future issuance under the Employee Stock Purchase Plan	642

Schedule of stock-based compensation

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Stock-based compensation expense	$	5,058	$	3,444	$	8,986	$	9,145

Summary of changes in RSUs

	Six Months Ended June 30, 2022
		Weighted-
		Average
	Number of	Grant Date
	RSUs	Fair Value
RSUs outstanding at beginning of period	627	$	76.37
RSUs granted	518	$	72.86
RSUs vested	(132)	$	85.71
RSUs forfeited	(238)	$	59.78
RSUs outstanding at end of period	775	$	77.54

Summary of changes in stock options

	Six Months Ended June 30, 2022
		Weighted-
		Average
	Number of	Exercise Price
	Options	per Share
Options outstanding at beginning of period	112	$	24.41
Options granted	76	$	85.97
Options outstanding at end of period	188	$	49.12