Income Taxes (Tables)

6 Months Ended

Jun. 30, 2019

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2019			2018			2019			2018
Income (loss) before Income Taxes	$	3,401		$	(156)		$	10,321		$	1,819
Income tax provision (benefit)		415			(1,191)			2,316			(598)
Effective tax rate		12.2	%		763.5	%		22.4	%		(32.9)	%