ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share
Net income (loss) attributable to common stockholders	$ 4,213	$ 13,876	$ 35,616	$ 31,749
Denominator:
Denominator for basic net income (loss) per share - weighted average outstanding shares	46,625,484	51,190,105	49,504,238	49,816,663
Effect of dilutive securities:
Stock options and restricted stock	3,581,124	3,890,289	3,667,555	4,015,472
Denominator for diluted net income (loss) per share - weighted-average outstanding shares	50,206,608	55,080,394	53,171,793	53,832,135
Net income (loss) attributable to common stockholders per share - basic	$ 0.09	$ 0.27	$ 0.72	$ 0.64
Net income (loss) attributable to common stockholders per share -diluted	$ 0.08	$ 0.25	$ 0.67	$ 0.59