Segment Reporting - Schedule of Economic Net Income (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013 Private Equity Funds	Mar. 31, 2013 Capital Segment Markets	Mar. 31, 2013 Real Estate
Segment Reporting Information [Line Items]
Impact Of Modification On ENI	$ 0	$ (19,711)	$ 19,711
Impact Modification of ENI to Management Business		5,037	(4,518)	(519)
Impact Modification of ENI to Incentive Business		$ (3,564)	$ 3,220	$ 344