Income Taxes (Tables)

9 Months Ended

Sep. 30, 2018

Income Tax Disclosure [Abstract]

Provision for income taxes

Provision for income taxes is based on the following:

	For Three Months Ended						For Nine Months Ended
	September 30,						September 30,
	2018			2017			2018			2017
Taxes calculated using the estimated annual effective tax rate	$	367		$	542		$	1,027		$	1,382
Discrete tax items		(13	)		(38	)		(185	)		(190	)
Provision for income taxes	$	354		$	504		$	842		$	1,192
Actual effective tax rate		18	%		28	%		16	%		26	%