Income Taxes (Tables)

6 Months Ended

Jun. 30, 2017

Income Tax Disclosure [Abstract]

Information about the Company's Income Tax Provision

The following table sets forth information about the Company’s income tax provision for the periods indicated (dollar amounts in thousands):

	Three Months Ended June 30,						Six Months Ended June 30,
	2017			2016			2017			2016
Income before income taxes	$	6,750		$	80,275		$	72,076		$	146,847
Income tax provision	4,213			18,282			28,512			42,968
Net income	$	2,537		$	61,993		$	43,564		$	103,879
Income tax provision as a percentage of income before income taxes	62.4		%	22.8		%	39.6		%	29.3		%