Lines of Credit (Details)	2 Months Ended	10 Months Ended	12 Months Ended
	Mar. 13, 2024	Dec. 31, 2024 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Feb. 18, 2025 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 16, 2024 USD ($)	Aug. 29, 2024 USD ($)	Aug. 29, 2024 CNY (¥)
Line of Credit Facility [Line Items]
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]			SOFR	SOFR
Amount outstanding under line of credit		$ 36,960,000	$ 36,960,000		$ 55,000,000
Interest expense on borrowings			$ 4,200,000		$ 6,000,000.0	$ 3,300,000
Line of credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity										$ 11,000,000	¥ 80,000,000.0
Line of credit | SOFR | Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate (in percent)	2.00%
Line of credit | SOFR | Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate (in percent)	2.75%
Line of credit | US Bank
Line of Credit Facility [Line Items]
Basis spread on variable rate (in percent)		3.00%
Facility fee (in percent)		0.25%
Effective interest rate		7.31%	7.31%		8.06%			7.31%
Line of credit | US Bank | Prime Rate | Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate (in percent)	0.00%
Line of credit | US Bank | Prime Rate | Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate (in percent)	0.75%
Line of credit | National Interbank
Line of Credit Facility [Line Items]
Basis spread on variable rate (in percent)			0.10%	0.10%
Line of credit, interest rate		3.07%	3.07%					3.07%
Line of credit | Second Amended Credit Agreement
Line of Credit Facility [Line Items]
Maximum borrowing capacity									$ 75,000,000.0
Remaining borrowing capacity		$ 58,300,000	$ 58,300,000
Line of credit | Second Amended Credit Agreement | Subsequent event
Line of Credit Facility [Line Items]
Remaining borrowing capacity							$ 60,500,000
Line of credit | U.S. Line of Credit
Line of Credit Facility [Line Items]
Remaining borrowing capacity		32,300,000	32,300,000
Amount outstanding under line of credit		26,000,000.0	26,000,000.0
Facility fee expense			200,000
Line of credit | China Line of Credit
Line of Credit Facility [Line Items]
Amount outstanding under line of credit		11,000,000	11,000,000					¥ 80,000,000.0
Interest expense on borrowings			100,000	¥ 500,000
Letter of credit
Line of Credit Facility [Line Items]
Letter of credit outstanding amount		$ 0	$ 0