GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Finite-lived intangible assets    
Gross Amount $ 1,324 $ 2,674
Accumulated Amortization (942) (1,792)
Net Amount 382 882
Indefinite-lived intangible assets    
Total intangible assets, Gross Amount 1,451 2,802
Total intangible assets, Net Amount 509 1,010
License to operate in China    
Indefinite-lived intangible assets    
Indefinite lived intangible assets 127 128
Domain names    
Finite-lived intangible assets    
Gross Amount 1,256 1,256
Accumulated Amortization (874) (801)
Net Amount 382 455
Media content and broadcast rights    
Finite-lived intangible assets    
Gross Amount 0 1,350
Accumulated Amortization 0 (923)
Net Amount 0 427
Other intangible assets    
Finite-lived intangible assets    
Gross Amount 68 68
Accumulated Amortization (68) (68)
Net Amount $ 0 $ 0