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, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Net income	$ 657,919	$ 598,626	$ 306,276
Basic:
Weighted average shares (in shares)	108,214	110,482	112,729
Diluted:
Weighted average shares (in shares)	108,214	110,482	112,729
Dilutive effect of potential common shares (in shares)	957	1,236	589
Diluted weighted average shares (in shares)	109,171	111,718	113,318
Net income per share:
Basic (usd per share)	$ 6.08	$ 5.42	$ 2.72
Diluted (usd per share)	$ 6.03	$ 5.36	$ 2.70