Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income attributable to the Company	$ 27,109	$ 10,694	$ 80,670	$ 77,632
Weighted average number of shares:
Weighted average number of shares used in calculating basic net income per share (in shares)	31,185	31,111	31,163	31,416
Effect of dilutive stock-based compensation plans:
Weighted average number of shares used in calculating diluted net income per share (in shares)	31,283	31,223	31,256	31,518
Net income attributable to the Company per share:
Basic (in dollars per share)	$ 0.87	$ 0.34	$ 2.59	$ 2.47
Diluted (in dollars per share)	$ 0.87	$ 0.34	$ 2.58	$ 2.46
RSU and MPP
Effect of dilutive stock-based compensation plans:
Restricted stock units and multi-year awards (in shares)	98	112	93	102