Summary of Significant Accounting Policies - Summary of Geographic information of Revenue by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Revenues	$ 271,906	$ 251,077
Reportable segment
Disaggregation of Revenue [Line Items]
Revenues	$ 271,906	$ 251,077
No region \| Minimum \| Revenue benchmark \| Customer concentration risk
Disaggregation of Revenue [Line Items]
Concentration risk percentage	10.00%	10.00%
Platform commission
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 4,335	$ 3,598
Platform commission \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	4,335	3,598
Platform commission \| Hong Kong \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	4,335	3,598
Ocean transportation service
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	11,358	9,801
Ocean transportation service \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	11,358	9,801
Ocean transportation service \| The United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	10,797	9,741
Ocean transportation service \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	561	60
Drayage service
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	2,772	3,550
Drayage service \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	2,772	3,550
Drayage service \| The United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	2,711	3,543
Drayage service \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	61	7
Warehousing service
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	14,078	9,327
Warehousing service \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	14,078	9,327
Warehousing service \| The United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	13,660	9,090
Warehousing service \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	418	237
Last-mile delivery service
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	49,244	39,963
Last-mile delivery service \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	49,244	39,963
Last-mile delivery service \| The United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	42,508	37,377
Last-mile delivery service \| Germany \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	5,787	2,010
Last-mile delivery service \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	949	576
Packaging service
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	7,250	6,279
Packaging service \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	7,250	6,279
Packaging service \| The United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	7,178	5,753
Packaging service \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	72	526
Others
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	5,031	4,105
Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	5,031	4,105
Others \| The United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	4,204	4,025
Others \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	827	80
Total service revenues
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	94,068	76,623
Revenues	94,068	76,623
Total service revenues \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	94,068	76,623
Products
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	177,838	174,454
Revenues	177,838	174,454
Products \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	177,838	174,454
Products \| The United States \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	109,594	131,433
Products \| Japan \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	10,779	9,621
Products \| Germany \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	51,551	29,273
Products \| Others \| Reportable segment
Disaggregation of Revenue [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 5,914	$ 4,127