Income Taxes (Tables)

9 Months Ended

Sep. 30, 2020

Income Taxes [Abstract]

Provision for Income Taxes

	Three months ended				Nine months ended
	September 30,				September 30,
	2020		2019		2020		2019
Provision for income taxes	$	(23)	$	(71)	$	(33)	$	(271)
Effective tax rate		5.1%		17.4%		11.3%		22.6%