Other Noncurrent Assets, Net (Tables)

9 Months Ended

Sep. 30, 2016

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Summary of Other Noncurrent Assets

	December 31,		September 30,
	2015		2016
	(In thousands)
Pension asset	$	1,303		1,434
Restricted cash		1,273	$	1,279
Other		755		945
Total	$	3,331	$	3,658