INVESTMENTS IN GOLD - Additional Information (Detail) ¥ in Millions	12 Months Ended
	Dec. 31, 2016 USD ($) g	Dec. 31, 2016 CNY (¥)	Dec. 31, 2015 USD ($) g
Schedule of Investments [Line Items]
Gold Pledged For Bank Loan | g			3,977,490
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax | $	$ 54,800,000
Investment in Physical Commodities | $	1,493,938,551		$ 0
Investments in Gold Current | $	281,895,403		$ 0
Security Owned and Pledged as Collateral, Fair Value | $	$ 1,775,800,000
Wuhan Shuntianyi Investment Management Ltd [Member]
Schedule of Investments [Line Items]
Gold Lease Outstanding | g	16,000,000
Gold Pledged For Bank Loan | g	54,677,490
Proceeds From Secured Lines Of Credit	$ 538,600,000	¥ 3,740
Debt Instrument, Collateral Amount | $	$ 1,830,600,000
Long-term Debt [Member]
Schedule of Investments [Line Items]
Gold Pledged For Bank Loan | g	45,998,000
Short-term Debt [Member]
Schedule of Investments [Line Items]
Gold Pledged For Bank Loan | g	8,679,490