Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2016

Commitments and Contingencies Disclosure [Abstract]

Summary of Future Minimum Lease Payments under Non-Cancellable Operating Leases

As of December 31, 2016, the Group has future minimum lease payments under non-cancellable operating leases, with initial terms in excess of one year, for office premises consisting of the following:

	RMB		US$
2017		108,202		15,584
2018		87,711		12,633
2019		51,928		7,479
2020 and thereafter		—		—
		247,841		35,696