Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Net income—basic	$ 742,934	$ 600,671	$ 393,626
Net income—diluted	$ 742,934	$ 600,671	$ 393,626
Average common shares outstanding—basic	167,930	188,370	195,443
Dilutive effect of stock-based compensation arrangements (in shares)	2,734	1,893	1,199
Adjusted average common shares outstanding—diluted	170,664	190,263	196,642
Net income per share
Net income per share, basic (in usd per share)	$ 4.42	$ 3.19	$ 2.01
Net income per share, diluted (in usd per share)	$ 4.35	$ 3.16	$ 2.00
Stock Compensation Plan
Net income per share
Shares of common stock equivalents	0	28	865