Restructuring Charges (Tables)

3 Months Ended

Mar. 31, 2018

Restructuring And Related Activities [Abstract]

Reconciliation of Beginning and Ending Liability Balances for Restructuring Charges

A reconciliation of beginning and ending liability balances for the restructuring charges is as follows (in thousands):

	2015
Description	Restructuring
Accrual - January 1, 2018	$	362
Costs paid or settled		—
Accrual - March 31, 2018	$	362