Acquisitions RARE Acquisition (Details) AUD in Thousands, $ in Thousands		3 Months Ended
		Dec. 31, 2015 AUD	Dec. 31, 2015 USD ($)	[2]	Jun. 30, 2016 AUD	Jun. 30, 2016 USD ($)		Mar. 31, 2016 USD ($)	Oct. 21, 2015 USD ($)
Business Acquisition [Line Items]
Line of Credit Facility, Fair Value of Amount Outstanding						$ 500,000		$ 40,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	[1]					568,220
RARE Infrastructure, Ltd [Member]
Business Acquisition [Line Items]
Assets Under Management									$ 6,800,000
Noncontrolling Interest, Ownership Percentage by Parent									75.00%
Payments to Acquire Businesses, Gross		AUD 296,000	$ 213,739
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High					AUD 106,000	$ 78,911	[1]
RARE Management Team [Member]
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners									15.00%
Outside Investors
Business Acquisition [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners									10.00%

[1] Using the applicable exchange rate as of June 30, 2016, for amounts denominated in currencies other than the U.S. dollar.

[2] (1)Post combination EnTrustPermal noncontrolling interest of $403,200 also includes a fair value reclassification of $15,500 from retained earnings