Income Taxes (Tables)

9 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Income tax expense (benefit)

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

	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2015		2014			2015		2014
Income before provision for income taxes	$	29,357	$	31,669		$	94,321	$	57,272
Income tax expense using estimated annual effective income tax rate	11,557		9,932			37,238		17,962
Changes in effective tax rates	1,539		(374		)	—		—
Impact of discrete items, net	412		1,305			313		1,944
Inclusion of tax liabilities from unincorporated entities	—		1,101			—		1,101
Income tax expense	$	13,508	$	11,964		$	37,551	$	21,007