Other Noncurrent Assets, Net (Tables)

3 Months Ended

Mar. 31, 2016

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Summary of Other Noncurrent Assets

	December 31,		March 31,
	2015		2016
	(In thousands)
Pension asset	$	1,303	$	1,411
Restricted cash		1,273		1,320
Other		755		812
Total	$	3,331	$	3,543