Related Party Balances and Transactions (Details)
0 Months Ended 12 Months Ended 0 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended 12 Months Ended
Mar. 25, 2013
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
Mar. 25, 2013
Ordinary Shares
Dec. 31, 2013
Ordinary Shares
USD ($)
Dec. 31, 2014
Wuling Center
USD ($)
Dec. 31, 2014
Wuling Center
CNY
Dec. 31, 2013
Wuling Center
USD ($)
Dec. 31, 2013
Wuling Center
CNY
Dec. 31, 2012
Wuling Center
USD ($)
Dec. 31, 2012
Wuling Center
CNY
Dec. 31, 2014
Management
USD ($)
Dec. 31, 2013
Management
USD ($)
Dec. 31, 2014
Customer and supplier
USD ($)
Dec. 31, 2013
Customer and supplier
USD ($)
Dec. 31, 2014
Other
USD ($)
Dec. 31, 2013
Other
USD ($)
Dec. 31, 2014
Shanghai Yueshun Real Estate Development Co., Ltd
USD ($)
Dec. 31, 2013
Shanghai Yueshun Real Estate Development Co., Ltd
USD ($)
Dec. 31, 2014
CRERAT
USD ($)
Dec. 31, 2013
CRERAT
USD ($)
Dec. 31, 2012
CRERAT
USD ($)
Dec. 31, 2012
CRERAT
Selling, general and administrative expenses
USD ($)
Dec. 31, 2014
SINA
USD ($)
Dec. 31, 2012
SINA
USD ($)
Dec. 31, 2013
SINA
USD ($)
Dec. 31, 2014
SINA
Selling, general and administrative expenses
USD ($)
Dec. 31, 2014
SINA
Cost of revenue
USD ($)
Dec. 31, 2013
SINA
Cost of revenue
USD ($)
Dec. 31, 2012
SINA
Cost of revenue
USD ($)
Dec. 31, 2014
E-House China Real Estate Investment Fund I, L.P.
USD ($)
Dec. 31, 2013
E-House China Real Estate Investment Fund I, L.P.
USD ($)
Dec. 31, 2012
E-House China Real Estate Investment Fund I, L.P.
USD ($)
Jan. 31, 2008
E-House China Real Estate Investment Fund I, L.P.
USD ($)
Dec. 31, 2014
Shanghai Guanfu Treasure-house Assets Management Co., Ltd
USD ($)
Dec. 31, 2014
Shanghai Guanfu Treasure-house Assets Management Co., Ltd
Selling, general and administrative expenses
USD ($)
Dec. 31, 2014
Shanghai Jin Yue Real Estate Development Co., Ltd
USD ($)
Dec. 31, 2013
Shanghai Jin Yue Real Estate Development Co., Ltd
USD ($)
Dec. 31, 2014
Shouxin Center
USD ($)
Jan. 31, 2008
E-House Real Estate Asset Management Co., Ltd.
Jan. 31, 2010
Shanghai Yidezeng Equity Investment Center
Dec. 31, 2014
Shengyuan Center
USD ($)
Dec. 31, 2013
Shengyuan Center
USD ($)
Dec. 31, 2012
Shengyuan Center
USD ($)
Jan. 31, 2010
Shengyuan Center
Xin Zhou
Apr. 30, 2010
Shanghai Yidexin Equity Investment Center
Jan. 31, 2010
Shengquan Center
USD ($)
Jan. 31, 2010
Shengquan Center
CNY
Dec. 31, 2014
Shengquan Center
USD ($)
Dec. 31, 2014
Shengquan Center
CNY
Dec. 31, 2013
Shengquan Center
USD ($)
Dec. 31, 2013
Shengquan Center
CNY
Dec. 31, 2012
Shengquan Center
USD ($)
Apr. 30, 2010
Shengquan Center
Xin Zhou
Dec. 31, 2014
Xuyuechang Center
USD ($)
Dec. 31, 2013
Xuyuechang Center
USD ($)
Dec. 31, 2014
Xuyuerong Center
USD ($)
Dec. 31, 2013
Xuyuerong Center
USD ($)
Dec. 31, 2014
Xuyuezhen Center
USD ($)
Dec. 31, 2013
Xuyuezhen Center
USD ($)
Dec. 31, 2014
Hangzhou Kuyue
USD ($)
Dec. 31, 2014
Muxin Center
USD ($)
Amounts due from related parties                                                                                                                              
Total amounts due from related parties   $ 6,094,260 $ 1,263,416                       $ 684 $ 981,648 $ 6,093,576 $ 281,768                                                                                          
Amounts due to related parties   7,356,186 5,535,512                   2,024,000 2,760,000 4,831,288 1,745,263 500,898 1,030,249                                                                                          
Customer and supplier                                                                                                                              
Revenue                                         136,708 1,084,047 52,120   445,733 1,855                                                                          
Selling, general and administrative expenses recorded by the group                                               476,706       4,911,660                 409,305                                                    
Cost of revenue recorded by the group                                                         6,643,317 6,033,036 5,145,039                                                                
Intangible assets purchased                                                 1,473,498                                                                         1,778,188  
Balances with customers, suppliers and affiliates who are related parties                                                                                                                              
Amount due from related parties                                     280,750 281,768 684 981,648                   5,388,646                                                              
Amount due to related parties                                           (3,892)     (3,616,957)   (1,741,371)                 (326,850)   (390,801) (392,219)                                 285,272 (103,331) 23,461 (480,081) 115,447 (54,618) (887,481) (110,097)
Percentage of ownership interest in subsidiary                                                                                 51.00% 51.00%         51.00%                                
Amount invested by Mr. Xin Zhou, the Company's co-chairman and CEO, and Mr. Neil Nanpeng Shen, director of the company                                                                     28,000,000                                                        
Cash contribution made   8,890,449 5,766,873 2,161,001     2,946,996 18,000,000 4,428,486 27,000,000 2,386,440 15,000,000                                                                       10,065,348 65,000,000                            
Equity interest (as a percent)             6.50% 6.50% 6.50% 6.50% 6.50% 6.50%                 51.00%                                                 8.00%   13.00% 13.00%           2.40% 0.60%   0.50%   0.50%   21.00% 23.40%
Amount received as a return of capital                                                                                                   1,781,581 10,881,747 461,463 2,813,487                    
Ordinary shares issued to Kanrich         17,790,125 17,790,125                                                                                                                  
Aggregate price of shares issued to Kanrich 62,621,240   62,621,240     17,790                                                                                                                  
Management fees   $ 11,743,244 $ 6,334,198 $ 2,402,415     $ 3,012,485   $ 3,804,667               $ 1,061,829 $ 305,343                           $ 5,386,412 $ 63,567 $ 202,198           $ 120,858     $ 1,410,790 $ 1,549,416 $ 1,580,360         $ 559,100   $ 611,205   $ 619,857                 $ 191,770