Dividends and Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands								3 Months Ended		9 Months Ended
	Aug. 03, 2022	May 04, 2022	Feb. 24, 2022	Nov. 03, 2021	Aug. 03, 2021	May 04, 2021	Feb. 19, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share
Cash dividend declared (in dollars per share)	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.06	$ 0.18	$ 0.18
Numerator:
Net income								$ 43,040	$ 44,056	$ 91,520	$ 86,199
Denominator:
Weighted average shares for computation of basic earnings per share								53,181	53,769	53,228	52,354
Dilutive effect of shares issued to independent directors								3	3	4	4
Dilutive effect of Restricted Stock Units ("RSUs")								564	595	546	529
Weighted average shares for computation of diluted earnings per share								53,748	54,367	53,778	52,887
Earnings per share:
Basic earnings per share (in dollars per share)								$ 0.81	$ 0.82	$ 1.72	$ 1.65
Diluted earnings per share (in dollars per share)								$ 0.80	$ 0.81	$ 1.70	$ 1.63