Income Taxes (Tables)

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The provision for income taxes is shown in the tables below:

	Three Months Ended June 30
	2018		2017
Income tax expense	$	3,527	$	10,852

	Six Months Ended June 30
	2018		2017
Income tax expense	$	2,540	$	10,857