Income Taxes

6 Months Ended

Jun. 30, 2022

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes (in thousands, except percentages)

	Three Months Ended June 30,						Six Months Ended June 30,
	2022			2021			2022			2021
Income before income taxes	$	362,320		$	221,084		$	671,787		$	428,951
Provision for income taxes	63,221			24,196			100,429			51,697
Effective tax rate	17.4		%	10.9		%	14.9		%	12.1		%

    The increase in the effective tax rates in the three and six months ended June 30, 2022, as compared to the same periods in 2021, was primarily due to a decrease in the proportion of tax benefits attributable to stock-based compensation versus total pre-tax income.