LONG-TERM INVESTMENTS, NET - Schedule of equity investments without readily determinable fair values (Details) $ in Thousands, $ in Thousands |
12 Months Ended | |||||
|---|---|---|---|---|---|---|
|
Dec. 31, 2022
USD ($)
|
Dec. 31, 2022
HKD ($)
|
Dec. 31, 2021
USD ($)
|
Dec. 31, 2021
HKD ($)
|
Dec. 31, 2022
HKD ($)
|
Jan. 31, 2016 |
|
| Cost method investments, fair value disclosure | $ 29,000 | $ 31,384 | ||||
| Less: impairment on cost method investments | $ (48,732) | $ (52,739) | ||||
| Zhangshangtong Air Service (Beijing) Co., Ltd. ("Zhangshangtong") | ||||||
| Ownership percentage | 13.00% | 13.00% | 13.00% | |||
| Cost method investments, fair value disclosure | $ 545 | |||||
| Less: impairment on cost method investments | $ 589 | |||||
| Beijing Zhongjiao Huineng Information Technology Co., Ltd ("Zhongjiao Huineng") | ||||||
| Ownership percentage | 13.30% | |||||
| Less: impairment on cost method investments | $ (545) | $ (589) | ||||
| AM Advertising | ||||||
| Ownership percentage | 20.00% | 20.00% | 20.00% | |||
| Cost method investments, fair value disclosure | $ 83,534 | $ 77,187 | ||||
| Less: impairment on cost method investments | $ (48,187) | $ (52,150) | ||||