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Other Balance Sheets Components - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Prepaid expenses and other current assets: |  |
Rental and other deposits | $ 1,544 | $ 1,604
Deductible value-added taxes | 5,307 | 8,575
Investment prepayment | 0 | 37,269
Advertising prepayment | 3,011 | 5,266
Prepayment to outsourced service providers | 3,438 | 3,294
Amounts deposited by users | 52,139 | 49,459
Content fees | 16,663 | 18,070
Others | 9,046 | 8,754
Prepaid expenses and other current assets | 330,356 | 348,774
Related Parties [Member] | Other related parties |  |
Prepaid expenses and other current assets: |  |
Loans to and interest receivable | 105,658 | 88,500
Other related parties |  |
Prepaid expenses and other current assets: |  |
Loans to and interest receivable | 105,658 | 88,500
Third parties |  |
Prepaid expenses and other current assets: |  |
Loans to and interest receivable | $ 133,550 | $ 127,983

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