Agreements and Transactions with Related Parties (Details 3) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Due from affiliates
Deferred acquisition fees receivable	$ 19,585	$ 19,684
Reimbursable costs	2,084	334
Accounts receivable	1,862	3,716
Organization and offering costs	1,785	2,700
Current acquisition fees receivable	759	4,149
Asset management fee receivable	0	1,451
Due from affiliates	$ 26,075	$ 32,034