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Dividends and Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands						3 Months Ended
	Feb. 24, 2022	Nov. 03, 2021	Aug. 03, 2021	May 04, 2021	Feb. 19, 2021	Mar. 31, 2022	Mar. 31, 2021
Cash dividend declared (in dollars per share)	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06
Numerator:
Net (loss) income						$ (1,674)	$ 5,848
Denominator:
Weighted average shares for computation of basic earnings per share						53,240	49,503
Dilutive effect of shares issued to independent directors							5
Dilutive effect of RSUs							518
Weighted average shares for computation of diluted earnings per share						53,240	50,026
(Loss) earnings per share:
Basic earnings per share (in dollars per share)						$ (0.03)	$ 0.12
Diluted earnings per share (in dollars per share)						$ (0.03)	$ 0.12
Restricted stock units
Denominator:
Dilutive effect of RSUs						546
Independent directors.
Denominator:
Dilutive effect of RSUs						6

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