Restructuring (Tables)

12 Months Ended

Dec. 31, 2016

Restructuring And Related Activities [Abstract]

Summary of Major Types of Costs, Cumulative Costs Incurred and Total Cost Expected Associated With Restructuring Activities

The following table summarizes the major types of costs associated with the 2014 Restructuring Plan (in thousands) for the years ended December 31, 2016, 2015 and 2014, total costs incurred through December 31, 2016, and total costs expected:

	Years Ended December 31,						Cumulative Costs		Total Expected
	2016		2015		2014		Incurred To Date		Plan Costs
Severance and related employee benefits	$	0	$	0	$	13,162	$	13,162	$	13,162
Contract termination costs		0		0		1,159		1,159		1,159
Other costs		45		279		411		735		735
Total restructuring costs	$	45	$	279	$	14,732	$	15,056	$	15,056

Summary of Changes in Restructuring-Related Liabilities

The following table presents a summary of changes in the restructuring-related liabilities (in thousands) for the years ended December 31, 2016 and 2015, respectively:

	Balance as of		Costs		Cash			Non-cash		Adjustments		Balance as of
	January 1, 2016		Incurred		Payments			Settlements		and Other		December 31, 2016
Current:
Severance and related employee benefits	$	32	$	0	$	(32	)	$	0	$	0	$	0
Contract termination costs		0		0		0			0		0		0
Other costs		24		45		(71	)		0		2		0
Total current accrued restructuring costs	$	56	$	45	$	(103	)	$	0	$	2	$	0

	Balance as of		Costs		Cash			Non-cash		Adjustments			Balance as of
	January 1, 2015		Incurred		Payments			Settlements		and Other			December 31, 2015
Current:
Severance and related employee benefits	$	2,215	$	0	$	(1,885	)	$	0	$	(298	)	$	32
Contract termination costs		0		0		0			0		0			0
Other costs		69		279		(316	)		0		(8	)		24
Totalcurrent accrued restructuring costs	$	2,284	$	279	$	(2,201	)	$	0	$	(306	)	$	56