Acquisitions (Schedule of Net Liabilities Acquired) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Assets:
Cash and cash equivalents	$ 1,280,077
Loans receivable, net	8,278
Property and equipment, net	17,476
Intangible Assets	35,522
Other assets	4,255
Total Assets	1,345,608
Liabilities:
Customer accounts	1,314,478
Other liabilities	31,130
Total Liabilities	1,345,608
Net assets acquired	$ 0