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RELATED PARTY TRANSACTIONS - Summary of transactions with and amounts due from and due to related parties (Parenthetical) (Detail) $ in Thousands | Dec. 31, 2019 CNY (¥) | Dec. 31, 2019 USD ($)
--- | --- | ---
Related Party Transaction [Line Items] |  |
Loans to related party | ¥ 130,722,000 | $ 18,777
China Smartpay |  |
Related Party Transaction [Line Items] |  |
Loans | 119,924,000 | $ 17,225
Loans to related party | ¥ 124,862,000 |
Interest Rate On Loan Receivable | 8.00% | 8.00%
Interest receivable | ¥ 4,938,000 |
Principal Amount Due From Related Parties | 119,924,000 |
SG Fintech |  |
Related Party Transaction [Line Items] |  |
Loans | ¥ 598,000 | $ 86
Interest Rate On Loan Receivable | 0.50% | 0.50%
Loan pricipal amount | ¥ 598 |
Interest receivable | ¥ 1 |

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