Income Taxes (Tables)

3 Months Ended

Mar. 31, 2019

Income Tax Disclosure [Abstract]

Summary of Tax Expense and Effective Tax Rates

Income tax expense and effective tax rates were:

	Three Months Ended March 31,
	2019			2018
	(in thousands, except effective tax rate)
Income before income taxes	$	30,329		$	27,212
Income tax expense	5,619			10,758
Effective tax rate	18.5		%	39.5		%