LONG-LIVED ASSETS (Details ) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2015	Dec. 31, 2014	Mar. 14, 2014
Impairment Testing
Undiscounted expected future cash flows exceeded the carrying value		$ 54,854	$ 57,723
Loss on disposal of fixed assets	(433)
Sale of land use rights
Impairment Testing
Proceeds from sale of China land use rights				1,924
Loss on disposal of fixed assets		$ 435