Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income—basic	$ 146,087	$ 201,193	$ 303,844	$ 382,324
Net income—diluted	$ 146,087	$ 201,193	$ 303,844	$ 382,324
Average common shares outstanding—basic (in shares)	159,010	173,705	159,250	175,491
Dilutive effect of share-based compensation arrangements (in shares)	1,734	1,714	1,879	1,858
Adjusted average common shares outstanding—diluted (in shares)	160,744	175,419	161,129	177,349
Net income per share
Basic (in usd per share)	$ 0.92	$ 1.16	$ 1.91	$ 2.18
Diluted (in usd per share)	$ 0.91	$ 1.15	$ 1.89	$ 2.16
Shares of common stock equivalents	112	189	86	0