Other Non-current Assets - Additional Information (Details) ¥ in Thousands, $ in Thousands	1 Months Ended	12 Months Ended
Sep. 30, 2024	Dec. 31, 2024 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023 CNY (¥)
Other Non-current Assets
Provision for credit losses		$ 93		¥ 676	¥ 0
Repayment schedule	26 months
Long-term receivables were measured at amortized cost		$ 18,445		¥ 134,634
Discount rate		4.00%	4.00%
Provision for credit losses		$ 669	¥ 4,880

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(11))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration