Income Taxes (Tables)

6 Months Ended

Jun. 30, 2014

Income Tax Disclosure [Abstract]

Summary of Income Tax Expense and Effective Tax Rate

Income tax expense and the effective tax rate for the three and six months ended June 30, 2014 and 2013 were as follows (in thousands, except the effective tax rate):

	Three Months Ended June 30,						Six-Months Ended June 30,
	2014			2013			2014			2013
Income tax expense.	$	12,232		$	4,632		$	23,669		$	6,910
Effective tax rate		24.2	%		34.4	%		24.9	%		29.6	%