v3.26.3
Related Party Transactions - Schedule of Related Parties and their Relationships (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Related Party Transaction [Line Items]      
Transportation services to related parties $ 8,314 $ 4,126  
Transportation services from related parties $ 1,198 1,526  
Fujian Bafang Shengfeng Logistics Co., Ltd (“Fujian Bafang”) [Member]      
Related Party Transaction [Line Items]      
Relationship with the Company An equity investee of the Company    
Fuzhou Tianyu Shengfeng Industrial Co., Ltd (“Fuzhou Tianyu”) [Member]      
Related Party Transaction [Line Items]      
Relationship with the Company A company controlled by Yongxu Liu, CEO and Chairman of the Company    
Fuzhou Tianyu Shengfeng Property Management Co., Ltd (“Fuzhou Tianyu Management”) [Member]      
Related Party Transaction [Line Items]      
Relationship with the Company A company under the control of a shareholder    
Fujian Desheng Logistics Co., Ltd (“Fujian Desheng”) [Member]      
Related Party Transaction [Line Items]      
Relationship with the Company A company under the control of a shareholder    
Yongxu Liu [Member]      
Related Party Transaction [Line Items]      
Relationship with the Company The Company’s CEO and Chairman    
Xiying Yang [Member]      
Related Party Transaction [Line Items]      
Relationship with the Company CEO’s spouse    
Yongteng Liu [Member]      
Related Party Transaction [Line Items]      
Relationship with the Company CEO’s brother    
Total due to related parties $ 110  
Fujian Yunlian Shengfeng Industry Co., Ltd., (“Fujian Yunlian”) [Member]      
Related Party Transaction [Line Items]      
Relationship with the Company Shengfeng VIE’s shareholder    
Fuzhou Puhui Technology Co., Ltd [Member]      
Related Party Transaction [Line Items]      
Relationship with the Company Non-controlling shareholder of Ningde Shengfeng Logistics Co. Ltd.    
Chongqing Changjiang River Moulding Material (Group) Co., Ltd. (“Chongqing Changjiang”) [Member]      
Related Party Transaction [Line Items]      
Relationship with the Company Non-controlling shareholder of Liaoning Tianyu Changsheng Supply Chain Management Co., Ltd.    
Pingtan SF [Member]      
Related Party Transaction [Line Items]      
Relationship with the Company An equity method investee of the Company    
Total due from related parties $ 7,410   6,971
Mid-Castle Development Ltd. (“Mid-Castle”) [Member]      
Related Party Transaction [Line Items]      
Relationship with the Company The Company’s shareholder    
Transportation services to Fujian Bafang [Member]      
Related Party Transaction [Line Items]      
Transportation services to related parties $ 62 4  
Transportation services to Fujian Desheng [Member]      
Related Party Transaction [Line Items]      
Transportation services to related parties 0 28  
Transportation services to Chongqing Changjiang and its subsidiaries [Member]      
Related Party Transaction [Line Items]      
Transportation services to related parties 8,240 4,094  
Transportation services from Fujian Bafang [Member]      
Related Party Transaction [Line Items]      
Transportation services from related parties 857 1,394  
Lease services from Fuzhou Tianyu [Member]      
Related Party Transaction [Line Items]      
Transportation services from related parties 93 124  
Lease services from Fuzhou Tianyu Management [Member]      
Related Party Transaction [Line Items]      
Transportation services from related parties 9 8  
Fuzhou Tianyu [Member]      
Related Party Transaction [Line Items]      
Total due from related parties 43   42
Total due to related parties 7   21
Fujian Bafang [Member]      
Related Party Transaction [Line Items]      
Total due from related parties 59   31
Total due to related parties [1] 1,420   1,699
Mid-Castle [Member]      
Related Party Transaction [Line Items]      
Total due from related parties 317   472
Chongqing Changjiang and its subsidiaries [Member]      
Related Party Transaction [Line Items]      
Transportation services to related parties 12  
Total due from related parties 3,598   4,642
Related Party [Member]      
Related Party Transaction [Line Items]      
Total due from related parties 11,636   12,158
Total due to related parties $ 1,537   1,830
Hebei Tianyu Shengfeng Supply Chain Management Co., Ltd. (“Hebei Tianyu”) [Member]      
Related Party Transaction [Line Items]      
Relationship with the Company An equity method investee of the Company    
Transportation services to Hebei Tianyu [Member]      
Related Party Transaction [Line Items]      
Transportation services to related parties $ 239  
Hebei Tianyu [Member]      
Related Party Transaction [Line Items]      
Total due from related parties $ 209  
[1] On December 10, 2007, the Company entered into an interest-free loan agreement with Fujian Bafang for a principal amount of approximately $1.4 million (RMB 9.6 million). Such loan is due on demand.