NET INCOME PER SHARE Weighted Average Shares Outstanding (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share [Abstract]
Weighted-average common shares outstanding – basic	45,564	44,019	45,115	43,665
Net effect of common stock equivalents	864	739	1,334	833
Weighted-average common shares outstanding – diluted	46,428	44,758	46,449	44,498