v2.4.0.8
Supplemental Consolidated Balance Sheet and Statement of Operations Information (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Interest and Other Income [Abstract]          
Interest income $ 418 $ 441 $ 796 $ 870  
Interest Expense (134) (101) (221) (158)  
Impairment of investment (191) 0 (588) 0  
Loss on equity method investments (420) (14) (368) (33)  
Foreign exchange and other (696) (5,905) (1,482) (11,341)  
Other expense, net (1,023) (5,579) (1,863) (10,662)  
Prepaid Expense and Other Assets, Current [Abstract]          
Current portion of unamortized tax effects on intercompany transactions 26,819   26,819   28,502
Finished goods inventories 55,452   55,452   57,097
Prepaid expenses 48,094   48,094   29,404
Restricted cash 21,702   21,702   14,579
VAT and income taxes receivable 60,757   60,757   52,960
Prepaid marketing 14,444   14,444   17,301
Other 9,824   9,824   10,572
Total prepaid expenses and other current assets 237,092   237,092   210,415
Merchant and Supplier Payables [Abstract]          
Accrued merchant payables 623,204   623,204   518,233
Accrued supplier payables 180,170 [1]   180,170 [1]   234,710 [1]
Total accrued merchant and supplier payables 803,374   803,374   752,943
Accrued Expenses [Abstract]          
Marketing 12,609   12,609   12,001
Refunds reserve 32,279   32,279   38,597
Payroll and benefits 67,526   67,526   64,966
Customer credits 48,666   48,666   44,728
Professional fees 22,204   22,204   24,670
Other 51,071   51,071   42,024
Total accrued expenses 234,355   234,355   226,986
Current liabilities [Abstract]:          
Income taxes payable 20,082   20,082   21,994
VAT payable 33,999   33,999   37,627
Sales taxes payable 5,535   5,535   10,412
Deferred revenue 49,534   49,534   47,259
Other 18,284   18,284   15,426
Total other current liabilities 127,434   127,434   132,718
Liabilities, Noncurrent [Abstract]          
Long-term tax liabilities 110,300   110,300   109,286
Deferred rent 12,532   12,532   9,148
Other 25,720   25,720   13,263
Total other non-current liabilities 148,552   148,552   131,697
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]          
Foreign currency translation adjustments 33,208   33,208   24,952
Unrealized loss on available-for-sale securities, net of tax (496)   (496)   (122)
Accumulated other comprehensive income $ 32,712   $ 32,712   $ 24,830
[1] (1)Amounts include payables to suppliers of inventories and providers of shipping and fulfillment services.