Schedule of Remaining Intangible Amortization (Details 3) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2015	Mar. 31, 2015
Finite-Lived Intangible Assets Future Amortization Expense [Line Items]
Finite-Lived Intangible Asset, Useful Life	9 years
Asset Management Contracts
Finite-Lived Intangible Assets Future Amortization Expense [Line Items]
Remaining 2016	$ 1,842
2017	2,618
2018	2,618
2019	2,618
2020	2,134
Thereafter	8,827
Total	$ 20,657	$ 21,729
Permal funds-of-hedge fund management contracts [Member]
Finite-Lived Intangible Assets Future Amortization Expense [Line Items]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	13.00%
U.S. Domestic Mutual Fund Management Contracts
Finite-Lived Intangible Assets Future Amortization Expense [Line Items]
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	41.00%