SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Geographic information of Revenue by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Revenues	$ 411,643	$ 322,606	$ 771,131	$ 594,512
Revenues	411,643	322,606	771,131	594,512
Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	411,643	322,606	771,131	594,512
Service revenues
Disaggregation of Revenue [Line Items]
Revenues	120,826	96,924	237,366	190,992
Service revenues \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	120,826	96,924	237,366	190,992
Platform commission
Disaggregation of Revenue [Line Items]
Revenues	6,245	4,806	11,750	9,141
Platform commission \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	6,245	4,806	11,750	9,141
Platform commission \| Hong Kong \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	6,245	4,806	11,750	9,141
Ocean transportation service
Disaggregation of Revenue [Line Items]
Revenues	10,679	8,312	18,528	19,670
Ocean transportation service \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	10,679	8,312	18,528	19,670
Ocean transportation service \| United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	9,379	8,099	16,064	18,896
Ocean transportation service \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	157	16	230	16
Ocean transportation service \| Germany \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	1,143	197	2,234	758
Drayage service
Disaggregation of Revenue [Line Items]
Revenues	3,138	3,242	6,288	6,014
Drayage service \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	3,138	3,242	6,288	6,014
Drayage service \| United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	2,361	3,180	4,861	5,891
Drayage service \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	27	2	47	2
Drayage service \| Germany \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	750	60	1,380	121
Warehousing service
Disaggregation of Revenue [Line Items]
Revenues	16,043	13,480	32,110	27,558
Warehousing service \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	16,043	13,480	32,110	27,558
Warehousing service \| United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	13,929	12,966	28,697	26,626
Warehousing service \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	238	146	459	265
Warehousing service \| Germany \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	1,876	368	2,954	667
Packaging service
Disaggregation of Revenue [Line Items]
Revenues	9,282	8,267	18,808	15,517
Packaging service \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	9,282	8,267	18,808	15,517
Packaging service \| United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	8,712	8,171	17,834	15,349
Packaging service \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	75	27	122	54
Packaging service \| Germany \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	495	69	852	114
Last-mile delivery service
Disaggregation of Revenue [Line Items]
Revenues	70,039	53,949	139,032	103,193
Last-mile delivery service \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	70,039	53,949	139,032	103,193
Last-mile delivery service \| United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	53,509	45,607	107,694	88,115
Last-mile delivery service \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	2,034	1,290	3,609	2,239
Last-mile delivery service \| Germany \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	14,496	7,052	27,729	12,839
Others
Disaggregation of Revenue [Line Items]
Revenues	5,400	4,868	10,850	9,899
Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	5,400	4,868	10,850	9,899
Others \| United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	4,853	4,588	9,696	8,792
Others \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	211	199	557	989
Others \| Germany \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	336	81	597	118
Product revenues
Disaggregation of Revenue [Line Items]
Revenues	290,817	225,682	533,765	403,520
Product revenues \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	290,817	225,682	533,765	403,520
Product revenues \| United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	164,978	141,452	291,256	251,046
Product revenues \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	17,800	8,705	30,228	14,619
Product revenues \| Germany \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	94,808	62,703	187,519	114,254
Product revenues \| Japan \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	$ 13,231	$ 12,822	$ 24,762	$ 23,601