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Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Net income (loss)	$ 18,334	$ (40,471)	$ (85,964)
Denominator:
Weighted-average common shares outstanding, basic (in shares)	110,538	113,254	110,948
Effect of potential dilutive common shares	4,327	0	0
Denominator:
Weighted-average common shares outstanding, diluted (in shares)	114,865	113,254	110,948
Earnings per share, basic	$ 0.17	$ (0.36)	$ (0.77)
Earnings per share, diluted	$ 0.16	$ (0.36)	$ (0.77)

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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