GOODWILL AND INTANGIBLE ASSETS (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Balance of goodwill and intangible assets, net
Goodwill	$ 3,632	$ 3,632	$ 3,632
Intangible assets with indefinite lives	10,142	10,142
Intangible assets with definite lives, net	689	1,047
Total intangible assets, net	$ 10,831	$ 11,189