Severance and Other Charges (Tables)

12 Months Ended

Dec. 31, 2016

Restructuring and Related Activities [Abstract]

Summary of Activity Related to Accrued Severance Charges

A summary of the activity related to the accrued severance charges, is as follows (in thousands):

Balance as of December 31, 2014	$	1,904
Payments		(1,709	)
Balance as of December 31, 2015		195
Payments		(195	)
Balance as of December 31, 2016	$	—