Leases (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Leases (Textual)
Right-of-use assets	$ 35,226
Current operating lease liabilities	26,757
Non-current operating lease liabilities	8,504
Operating lease payment	6,500
Leases recognized cost of revenues	5,900
General administrative expenses	$ 600
Lease, description	(i) the terms of Shanghai LAGOGO land use right and buildings are 34 years; (ii) the terms of Kunshan logistics center and Chuzhou logistics center are 5 years; (iii) the terms of flagship stores are 3 years. The lease term of shopping mall stores is commonly one year with options to extend or renew, and the rent is predetermined with a percentage of sales. The Company estimates the next 12 months rent for the shopping mall stores by annualizing current period rent calculated by the percentage of sales. Thus, the ROU assets and lease liabilities may vary significantly at different period ends.