CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net loss	$ (31,805)	$ (2,539)	$ (23,419)
Foreign currency translation gain	0	0	17,079
Post-retirement benefit obligations	73	(133)	1,061
Comprehensive loss	$ (31,732)	$ (2,672)	$ (5,279)