Investments - Schedule of Investments (Parenthetical) (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023 CNY (¥)
Investments.
Impairment charges for equity investments without readily determinable fair value	¥ 43,698		¥ 166,127	¥ 210,813
Credit impairment related to available-for-sale debt investments			66,339	14,987
Fair value changes	120,027		145,458	35,811
Due to investments amortized cost basis exceeded fair value			65,260
Credit loss related to available-for-sale debt investments	76,458		1,079
Non-credit losses	(43,569)		(79,119)	20,824
Cash consideration	24,000	$ 3,432	0	68,332
Share of loss in equity method investments, net of income taxes	¥ 2,695	$ 385	¥ 0	¥ 0

Amount of expense for credit fair value changes on available-for-sale debt investments.

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Amount of expense for credit impairment on available-for-sale debt investments.

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Amount of credit loss recognized on investment in debt security in net loss.

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Amount of impairment loss recorded in net loss due to that the investments' amortized cost basis exceeding fair values and the Group's current intention to sell the investments.

+ References

No definition available.

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Amount of non-credit losses on available-for-sale debt investments, which was reported in other comprehensive income (loss).

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Amount of impairment loss on investment in equity security without readily determinable fair value.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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