Summary of Principal Accounting Policies (Details)
12 Months Ended
Dec. 31, 2014
Foreign Owned Subsidiaries  
Term of loan agreement among shareholders of VIEs 20 years
Shareholder voting right proxy agreement term 20 years
Shareholder voting right proxy agreement extension period 1 year
Shanghai Yifang  
Foreign Owned Subsidiaries  
Ownership percentage 100.00%
Shanghai SINA Leju  
Foreign Owned Subsidiaries  
Ownership percentage 100.00%
Shanghai Yi Yue  
Foreign Owned Subsidiaries  
Ownership percentage 100.00%
Beijing Maiteng  
Foreign Owned Subsidiaries  
Ownership percentage 100.00%
Shanghai Baoyi  
Foreign Owned Subsidiaries  
Ownership percentage 100.00%
Shanghai CRIC  
Foreign Owned Subsidiaries  
Ownership percentage 100.00%
Shanghai Weidian Information Technology Co Ltd  
Foreign Owned Subsidiaries  
Ownership percentage 100.00%