Net Income 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 [Abstract]
Net income	$ 3,625	$ 50,013	$ 19,746	$ 82,856
Shares used to compute basic net income per share (in shares)	35,697	36,047	35,644	35,952
Dilutive potential common shares
Stock options (in shares)	49	119	66	136
Unvested restricted stock awards (in shares)	236	240	313	402
Shares used to compute diluted net income per share (in shares)	35,982	36,406	36,023	36,490
Basic net income per share (in dollars per share)	$ 0.10	$ 1.39	$ 0.55	$ 2.31
Diluted net income per share (in dollars per share)	$ 0.10	$ 1.37	$ 0.55	$ 2.27
Dilutive securities included in the calculation (in shares)	1,051	1,112	1,204	1,400
Anti-dilutive securities excluded from the calculation (in shares)	1,992	1,041	1,329	611