Computation of Net Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Computation of Net Earnings per Share
Net income available to common stockholders	$ 31,376	$ 50,866	$ 59,955	$ 102,460
Weighted average shares of common stock outstanding used in computing basic income per share	31,847	32,598	32,051	32,618
Incremental options and RSUs	35	173	52	230
Weighted average shares of common stock used in computing diluted net income per share	31,882	32,771	32,103	32,848
Net income per share
Basic	$ 0.99	$ 1.56	$ 1.87	$ 3.14
Diluted	$ 0.98	$ 1.55	$ 1.87	$ 3.12
Anti-dilutive common equivalent shares excluded from calculation	509,998	22,983	411,238	20,639