Receivables to be collected from (obligations owed to) related parties, net as of the balance sheet date where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k)(1))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Related Party Transactions and Arrangements (Schedule of Amount Contractually Due and Forgiven in Connection With Operation Related Services) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Total related party operation fees and reimbursements [Member]
Related Party Transaction [Line Items]
Expenses incurred	$ 4,484	$ 6,473	$ 9,091	$ 8,683
Payable (Receivable)	735		735		$ 828
One-time fees and reimbursements [Member] \| Acquisition fees and related cost reimbursements [Member]
Related Party Transaction [Line Items]
Expenses incurred	0	2,644	0	3,038
Payable (Receivable)	0		0		0
Ongoing fees [Member] \| Asset management fees [Member]
Related Party Transaction [Line Items]
Expenses incurred	2,248	1,457	4,495	1,457
Payable (Receivable)	0		0		0
Ongoing fees [Member] \| Property Management and Leasing Fees [Member]
Related Party Transaction [Line Items]
Expenses incurred	1,519	1,243	3,066	2,178
Payable (Receivable)	350		350		452
Ongoing fees [Member] \| Other Expense Reimbursements [Member]
Related Party Transaction [Line Items]
Expenses incurred	643	1,061	1,383	1,915
Payable (Receivable)	385		385		376
Ongoing fees [Member] \| Distributions on Class B Units [Member]
Related Party Transaction [Line Items]
Expenses incurred	74	$ 68	147	$ 95
Payable (Receivable)	$ 0		$ 0		$ 0