Income Taxes (Tables)

6 Months Ended

Jun. 30, 2019

Income Taxes [Abstract]

Provision for Income Taxes

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2019		2018		2019		2018
Provision for income taxes	$	(124)	$	(126)	$	(200)	$	(250)
Effective tax rate		57.4%		14.6%		25.3%		62.7%