CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Operating activities:      
Net income (loss) $ 52,337,158 $ 51,086,289 $ (71,049,371)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:      
Depreciation and amortization 33,336,600 45,215,493 47,386,277
Unrealized loss on marketable securities     (804,621)
Realized gain on marketable securities (2,903,786) (234,338) (734,904)
Income from equity in affiliates (3,834,802) (2,813,849) (375,509)
Allowance for doubtful accounts 26,381,555 29,146,892 27,958,218
Share-based compensation 22,175,722 18,903,027 35,656,525
Amortization of discounts related to liability for exclusive rights 52,922 935,177 1,882,804
Amortization of debt discount and issuance cost 1,627,183 37,879  
Others (1,031,539) (172,944) 1,155,317
Changes in operating assets and liabilities:      
Restricted cash 198,730 438,860 (167,175)
Customer deposits (25,477,768) 14,848,744 (10,479,863)
Accounts receivable (91,288,124) (80,108,256) (88,257,121)
Marketable securities 2,897,049 3,916,706 5,826,280
Amounts due from related parties (4,830,844) (944,036) 1,181,561
Properties held for sale and advance payment for properties to be held for sale (3,499,706) (55,657,811) 980,571
Prepaid expenses and other current assets (5,190,461) (1,573,079) 4,908,018
Other non-current assets 550,250 (14,399,728) (4,889,458)
Accounts payable (3,007,370) 3,688,255 1,726,897
Accrued payroll and welfare expenses 13,930,717 34,489,244 18,570,558
Income tax payable 18,887,611 43,664,036 10,449,070
Other tax payable 9,379,946 15,485,548 5,612,517
Amounts due to related parties 1,669,193 (1,243,912) 2,769,138
Other current liabilities (5,695,764) 40,174,923 3,952,552
Other non-current liabilities (814,929) (245,919) 203,288
Deferred taxes (11,867,112) (30,745,061) (15,644,865)
Net cash provided by (used in) operating activities 23,982,431 113,892,140 (22,183,296)
Investing activities:      
Deposit for and purchase of property and equipment and intangible assets (45,244,388) (32,971,714) (31,847,330)
Purchase of subsidiaries, net of cash acquired   (5,259,451)  
Prepayment for investment (7,766,948) (15,745,728)  
Restricted cash for collateral of bank loans (38,290,478)    
Proceeds from disposal of subsidiaries     157,359
Investment in affiliates (8,890,449) (5,766,873) (2,161,001)
Capital return of investment in affiliates 6,525,361 6,202,093  
Proceeds from disposal of property and equipment 5,350,020 1,727,724 425,432
Investment in preferred shares of a private entity (25,719,808)    
Purchase of short-term investment   (1,279,340)  
Proceeds from short-term investment 1,277,032    
Net cash used in investing activities (112,759,658) (53,093,289) (33,425,540)
Financing activities:      
Purchases of non-controlling interest (14,613,056)    
Proceeds from issuance of ordinary shares of Leju upon initial public offering, net of paid issuance costs of $15,036,616 120,257,584    
Short-term borrowing 35,953,500    
Purchases of shares of CRIC from public     (113,124,632)
New shares issued to management   62,621,240  
Contribution from non-controlling interest 19,925,043 8,030,815 291,839
Proceeds from exercise of options 14,529,652 15,329,388 815,522
Advance from related parties 276,000 2,760,000  
Repayment of loans from non-controlling interests (253,400)    
Proceeds from issuance of convertible senior notes, net of discount of $3,375,000   131,625,000  
Proceeds from partially disposal of subsidiaries 176,704,417    
Debt issuance costs   (1,551,570)  
Payment of call option   (44,999,998)  
Repurchase of shares   (17,772,586) (1,569,815)
Dividends (43,111,414) (19,946,745) (11,866,670)
Dividends to non-controlling interests shareholders (2,508,620) (338,941) (319,675)
Net cash provided by (used in) financing activities 307,159,706 135,756,603 (125,773,431)
Effect of exchange rate changes on cash and cash equivalents (1,085,018) 5,922,352 218,282
Net increase (decrease) in cash and cash equivalents 217,297,461 202,477,806 (181,163,985)
Cash and cash equivalents at the beginning of the year 413,319,174 210,841,368 392,005,353
Cash and cash equivalents at the end of the year 630,616,635 413,319,174 210,841,368
Supplemental disclosure of cash flow information:      
Income taxes paid 7,175,015 4,986,562 6,568,082
Interest paid 3,691,875    
Non-cash investing and financing activities:      
Decrease in amount due to related party due to vesting of restricted shares (1,012,000) (263,106) (262,594)
Ordinary shares issued in connection with the merger of CRIC     38,786
Additional paid-in capital recognized in connection with the merger of CRIC     102,606,355
Non-controlling interest recognized in connection with business acquisition   48,518  
Non-controlling interest derecognized in connection with the merger of CRIC     254,656,627
Consideration payable for amount recognized in purchase of exclusive rights   8,967,972 22,892,042
Dividend payable to non-controlling interest 536,446 536,446 536,446
Dividends payable to E-House shareholders 12,902,488    
Non-controlling interest recognized in connection with the distribution of Leju ordinary shares to E-House shareholders as dividends 21,569,028    
Payable for acquisition of non-controlling interest 25,645,630    
Waive the payable to non-controlling interest in connection with the acquisition of non-controlling interest 746,600    
Unrealized gains for investment in preferred shares of a private entity $ 13,765,098