Real Estate Fund Investments - Schedule of Realized and Unrealized Gains from Real Estate Fund Investment (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Investment Holdings [Line Items]
Realized and unrealized gains, net		$ 15,363
Predecessor [Member]
Investment Holdings [Line Items]
Realized and unrealized gains, net	$ 43,233		$ 123,150
Realized Gains on Real Estate Fund Investments [Member] | Predecessor [Member]
Investment Holdings [Line Items]
Realized and unrealized gains, net	33,432		33,432
Unrealized Gain on Real Estate Fund Investments [Member] | Predecessor [Member]
Investment Holdings [Line Items]
Realized and unrealized gains, net	$ 9,801		$ 89,718