Net Income Per Share - Calculation of Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net income	$ 411,146	$ 657,919	$ 598,626
Basic:
Weighted average shares (in shares)	105,530	108,214	110,482
Diluted:
Weighted average shares (in shares)	105,530	108,214	110,482
Dilutive effect of potential common shares (in shares)	544	957	1,236
Diluted weighted average shares (in shares)	106,074	109,171	111,718
Net income per share:
Basic (usd per share)	$ 3.90	$ 6.08	$ 5.42
Diluted (usd per share)	$ 3.88	$ 6.03	$ 5.36