SHORT-TERM INVESTMENT - Additional Information (Detail) ¥ in Thousands, $ in Thousands	Dec. 31, 2019 CNY (¥)	Dec. 31, 2019 USD ($)	Jul. 15, 2019 USD ($)
Short-term investments	¥ 69,618	$ 10,000
Cornerstone Management, Inc
Short-term investments			$ 10,000
Interest rate on investments			8.00%

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant