Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income attributable to the Company	$ 26,672	$ 39,201	$ 53,561	$ 66,938
Weighted average number of shares:
Weighted average number of shares used in calculating basic net income per share (in shares)	31,174	31,268	31,152	31,571
Effect of dilutive stock-based compensation plans:
Weighted average number of shares used in calculating diluted net income per share (in shares)	31,269	31,378	31,243	31,668
Net income attributable to the Company per share:
Basic (in dollars per share)	$ 0.86	$ 1.25	$ 1.72	$ 2.12
Diluted (in dollars per share)	$ 0.85	$ 1.25	$ 1.71	$ 2.11
RSU and MPP
Effect of dilutive stock-based compensation plans:
Weighted average number diluted shares outstanding adjustment (in shares)	95	110	91	97