Variable Interest Entities and Consolidation of Investment Vehicles (Details 5) (Consolidated Investment Vehicles [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2011
Nature of Investments and Related Liquidation Restrictions or Other Factors [Line Items]
Fair Value Determined Using NAV	$ 71,750
Unfunded Commitments	10,449
Hedge funds
Nature of Investments and Related Liquidation Restrictions or Other Factors [Line Items]
Fair Value Determined Using NAV	48,237	[1]
Percentage of Daily Redemption	3.00%
Percentage of Monthly Redemption	5.00%
Percentage of Quarterly Redemption	27.00%
Percentage of investment subject to annual redemption (as a percent)	1.00%
Percentage subject to lock-up or side pocket provisions (as a percent)	64.00%
Investment lock up period or side pocket provisions period, low end of range (in years)	3
Investment lock up period or side pocket provisions period, high end of range (in years)	5
Private equity funds
Nature of Investments and Related Liquidation Restrictions or Other Factors [Line Items]
Fair Value Determined Using NAV	23,513	[2]
Unfunded Commitments	$ 10,449
Remaining term (in years)	8

[1] 3% daily redemption; 5% monthly redemption; 27% quarterly redemption; 1% annual redemption; and 64% subject to three to five year lock-up or side pocket provisions.

[2] Liquidations are expected over the remaining term.