Related Party Transactions - Schedule of Related Party Debt Rollforward by Transaction Type (Details) - Related Party - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Notes and Loans Payable [Roll Forward]
Beginning balance	$ 4,279	$ 8,064	$ 8,064
Repayment of debt, including periodic interest on debt carried at fair value	(145)	(124)
Other Adjustments	58	(47)
Ending balance	4,192	7,123	4,279
Notes Payable — China
Notes and Loans Payable [Roll Forward]
Beginning balance	3,775	4,382	4,382
Repayment of debt, including periodic interest on debt carried at fair value	(145)	(124)
Other Adjustments	52	(43)
Ending balance	3,682	4,215	3,775
Notes Payable on Demand — China
Notes and Loans Payable [Roll Forward]
Beginning balance	429	417	417
Repayment of debt, including periodic interest on debt carried at fair value	0	0
Other Adjustments	6	(4)
Ending balance	435	413	429
Other Notes
Notes and Loans Payable [Roll Forward]
Beginning balance	75	75	75
Repayment of debt, including periodic interest on debt carried at fair value	0	0
Other Adjustments	0	0
Ending balance	$ 75	$ 75	$ 75