Borrowings - Short-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	2.55%	2.88%
Total short-term debt	$ 204,530	$ 131,711
Loans Payable \| Bank of China Working Capital Loans
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	2.36%	2.77%
Total short-term debt	$ 69,427	$ 69,138
Loans Payable \| SPD Bank Working Capital Loans
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	2.80%	3.13%
Total short-term debt	$ 28,454	$ 27,823
Loans Payable \| China Merchants Bank Working Capital Loans
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	2.65%	2.91%
Total short-term debt	$ 42,683	$ 34,750
Loans Payable \| Bank of Communications Working Capital Loans
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	2.75%
Total short-term debt	$ 42,682	0
Loans Payable \| Ningbo Bank Discounted Bills
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	1.60%
Total short-term debt	$ 7,057	0
Loans Payable \| Industrial Bank Working Capital Loans
Short-Term Debt [Line Items]
Weighted-average interest rate per annum	2.60%
Total short-term debt	$ 14,227	$ 0