Income Taxes (Tables)

9 Months Ended

Sep. 30, 2017

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The provision for income taxes consists of the following:

	Three Months Ended September 30
	2017		2016
Income tax provision	$	18,189	$	13,595

	Nine Months Ended September 30
	2017		2016
Income tax provision	$	29,046	$	20,105