Income Taxes (Tables)

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure Abstract

Income Taxes

		Three Months Ended						Six Months Ended
	June 30,						June 30,
	2015			2014			2015			2014
Income tax benefit (expense)	$	9,866		$	3,489		$	10,146		$	9,979
Effective tax rate		15.6	%		57.3	%		14.9	%		35.3	%