Investments Cost Method Investment (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2012 E-Commerce [Member]	Jun. 30, 2012 Life Media Limited (F-Tuan) [Member]	Jun. 25, 2012 Life Media Limited (F-Tuan) [Member]	Jun. 30, 2013 Cost Method Investment, payment processor [Member]	Jun. 30, 2013 Life Media Limited (F-Tuan) [Member]	Dec. 31, 2012 Life Media Limited (F-Tuan) [Member]
Schedule of Cost-method Investments [Line Items]
Cost Method Investment, Ownership Percentage						19.10%		10.30%	19.00%	19.00%
Payments to Acquire Cost Method Investments						$ 25,000,000	$ 5,000,000	$ 13,100,000
Gain on E-Commerce transaction	$ 0	$ 56,032,000	$ 0	$ 56,032,000
Equity Method Investment, Ownership Percentage					49.80%