Income Taxes (Tables)

9 Months Ended

Sep. 30, 2015

Income Tax Disclosure Abstract

Income Taxes

		Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2015			2014			2015			2014
Income tax benefit (expense)	$	2,205		$	(40,688)		$	12,350		$	(30,709)
Effective tax rate		(32.6)	%		30.9	%		20.1	%		29.7	%