Earnings Per Share Level 4 (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Net Income (Loss) Attributable to Parent [Abstract]
Net income attributable to common stockholders	$ 802,939	$ 515,907	$ 369,596
Weighted average shares (denominator):
Weighted average shares — basic	167,542	176,709	182,246
Weighted average shares — diluted	170,114	178,990	185,523
Net income attributable to common stockholders, basic	$ 4.79	$ 2.92	$ 2.03
Net income attributable to common stockholders, diluted	$ 4.72	$ 2.88	$ 1.99
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	0	1,614,000	678,000
Stock Options [Member]
Weighted average shares (denominator):
Share based compensation	2,501	2,234	3,223
Restricted Stock Units (RSUs) [Member]
Weighted average shares (denominator):
Share based compensation	71	47	54