Income Taxes (Tables)

3 Months Ended

Mar. 31, 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	70
Additions for tax positions of prior years	—
Reductions for tax positions of prior years	(415		)
Reductions due to lapse of applicable statute of limitations	(1,293		)
Settlements	(17		)
Balance at March 31, 2017	$	7,096