Other noncurrent assets (Tables)

3 Months Ended

Mar. 31, 2013

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Schedule of Other Noncurrent Assets

	December 31, 2012		March 31, 2013
	(In thousands)
Assets held for sale	$	1,965	$	430
Other		154		84
Total other noncurrent assets	$	2,119	$	514