v3.22.2.2
SEGMENT INFORMATION - Revenues and Long Lived, Geographical Areas (Details)
¥ in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
Jun. 30, 2022
CNY (¥)
Jun. 30, 2021
CNY (¥)
Jun. 30, 2022
USD ($)
Jun. 30, 2022
CNY (¥)
Jun. 30, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Segment Reporting Information [Line Items]              
Net Revenues $ 16,412 ¥ 109,928 ¥ 172,251 $ 30,463 ¥ 204,043 ¥ 301,856  
Long-lived Assets   364,314     364,314   ¥ 379,462
PRC              
Segment Reporting Information [Line Items]              
Net Revenues   77,803 141,066   141,000 234,927  
Long-lived Assets   211,379     211,379   222,396
U.S.              
Segment Reporting Information [Line Items]              
Net Revenues   32,125 ¥ 31,185   63,043 ¥ 66,929  
Long-lived Assets   ¥ 152,935     ¥ 152,935   ¥ 157,066