Income Taxes (Tables)

6 Months Ended

Jun. 30, 2015

Income Tax Disclosure [Abstract]

Income tax expense (benefit)

The Company's income tax expense consisted of the following:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2015			2014			2015			2014
Income before provision for income taxes	$	31,069		$	19,132		$	64,964		$	25,603
Income tax expense using estimated annual effective income tax rate	11,533			6,279			24,143			8,404
Changes in effective tax rates	(78		)	(178		)	—			—
Impact of discrete items, net	(91		)	—			(100		)	639
Income tax expense	$	11,364		$	6,101		$	24,043		$	9,043