Income Taxes (Tables)

6 Months Ended

Jun. 30, 2017

Income Tax Disclosure [Abstract]

Reconciliation of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:

	2017
	(in thousands)
Balance at January 1, 2017	$	8,751
Additions based on tax positions related to current year	145
Additions for tax positions of prior years	—
Reductions for tax positions of prior years	(415		)
Reductions due to lapse of applicable statute of limitations	(2,602		)
Settlements	(17		)
Balance at June 30, 2017	$	5,862