Fixed Assets, Net (Details Textual) (USD $)	12 Months Ended			3 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2013 Software Development [Member]	Dec. 31, 2013 Software Development [Member]	Dec. 31, 2011 Software Development [Member]	Dec. 31, 2013 Real Estate [Member]	Dec. 31, 2011 Real Estate [Member]
Property, Plant and Equipment [Line Items]
Depreciation	$ 15,300,000	$ 16,600,000	$ 17,200,000
Deferred software development cost	1,500,000	2,000,000
Asset impairment charges	$ 610,436,000	$ 19,132,000	$ 643,305,000	$ 1,600,000	$ 1,600,000	$ 40,300,000	$ 1,900,000	$ 900,000