ORGANIZATION AND BASIS OF PRESENTATION (Details)	12 Months Ended
	Dec. 31, 2023
BEST BVI
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in subsidiary attributable to the Company	100.00%
BEST HK
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in subsidiary attributable to the Company	100.00%
BEST Capital
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in subsidiary attributable to the Company	100.00%
BEST Capital BVI
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in subsidiary attributable to the Company	100.00%
Store Cayman
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in subsidiary attributable to the Company	100.00%
Store BVI
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in subsidiary attributable to the Company	100.00%
Store HK
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in subsidiary attributable to the Company	100.00%
BEST Capital HK
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in subsidiary attributable to the Company	100.00%
BEST China
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in subsidiary attributable to the Company	100.00%
BEST Store
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in subsidiary attributable to the Company	100.00%
Zhejiang Best Technology Co. LTD [Member]
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in subsidiary attributable to the Company	100.00%
BEST Finance
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in subsidiary attributable to the Company	100.00%
BEST Ningbo
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in subsidiary attributable to the Company	100.00%
Yunnan Trust Plan
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in VIE attributable to the Company	0.00%
BEST Information Technology
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in VIE attributable to the Company	0.00%
Hangzhou Baijia
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in VIE attributable to the Company	0.00%
BEST Ucargo
ORGANIZATION AND BASIS OF PRESENTATION
Percentage of equity interest in VIE attributable to the Company	0.00%