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Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]        
Net income attributable to the Company $ 24,624 $ 26,672 $ 51,915 $ 53,561
Weighted average number of shares:        
Weighted average number of shares used in calculating basic net income per share (in shares) 31,242 31,174 31,225 31,152
Effect of dilutive stock-based compensation plans:        
Weighted average number of shares used in calculating diluted net income per share (in shares) 31,342 31,269 31,316 31,243
Net income attributable to the Company per share:        
Basic (in dollars per share) $ 0.79 $ 0.86 $ 1.66 $ 1.72
Diluted (in dollars per share) $ 0.79 $ 0.85 $ 1.66 $ 1.71
RSU and MPP        
Effect of dilutive stock-based compensation plans:        
Restricted stock units and multi-year awards (in shares) 100 95 91 91