Net Income per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Earnings Per Share [Abstract]
Net income	$ 124,608	$ 96,564	$ 217,838	$ 201,592
Weighted average common shares outstanding, basic (in shares)	72,565,000	75,184,000	73,061,000	75,180,000
Dilutive effect of potential common stock (in shares)	28,000	39,000	37,000	135,000
Total shares, diluted (in shares)	72,593,000	75,223,000	73,098,000	75,315,000
Net income per share, basic (in usd per share)	$ 1.72	$ 1.28	$ 2.98	$ 2.68
Net income per share, diluted (in usd per share)	$ 1.72	$ 1.28	$ 2.98	$ 2.68
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive potential common shares (in shares)	1,505,000	1,149,000	1,377,000	648,000
RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive potential common shares (in shares)	1,501,700	1,148,700	1,374,600	647,800
Employee stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive potential common shares (in shares)	3,300	300	2,200	100