Earnings Per Share Level 4 (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net Income (Loss) Attributable to Parent [Abstract]
Net income attributable to common stockholders	$ 219,513	$ 228,879
Weighted average shares (denominator):
Weighted average shares — basic	161,328	169,918
Weighted average shares — diluted	163,807	172,367
Net income attributable to common stockholders, basic	$ 1.36	$ 1.35
Net income attributable to common stockholders, diluted	$ 1.34	$ 1.33
Revenues	$ 1,112,403	$ 1,077,981
Stock Options [Member]
Weighted average shares (denominator):
Share based compensation	2,402	2,390
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	274,000	1,276,000
Restricted Stock Units (RSUs) [Member]
Weighted average shares (denominator):
Share based compensation	77	59