Borrowings - Schedule of Short-Term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	2.35%	2.55%
Total short-term debt	$ 252,365	$ 204,530
Loans Payable | Bank of China Working Capital Loans
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	2.17%	2.36%
Total short-term debt	$ 74,832	$ 69,427
Loans Payable | SPD Bank Working Capital Loans
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	2.43%	2.80%
Total short-term debt	$ 22,271	$ 28,454
Loans Payable | China Merchants Bank Working Capital Loans
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	2.42%	2.65%
Total short-term debt	$ 59,242	$ 42,683
Loans Payable | Bank of Communications Working Capital Loans
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	2.50%	2.75%
Total short-term debt	$ 44,543	$ 42,682
Loans Payable | Ningbo Bank Discounted Bills
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	1.60%	1.60%
Total short-term debt	$ 6,934	$ 7,057
Loans Payable | Industrial Bank Working Capital Loans
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	2.47%	2.60%
Total short-term debt	$ 44,543	$ 14,227