Related Party Transactions and Arrangements (Fees Paid in Connection With the Operations of the Company, Incurred, Forgiven and Payable) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Related Party Transaction [Line Items]
Payable (Receivable)		$ 92	$ 575
Acquisition fees and related cost reimbursements
Related Party Transaction [Line Items]
Payable (Receivable)		0	0
Financing coordination fees
Related Party Transaction [Line Items]
Payable (Receivable)		0	0
Asset Management Fees | Ongoing fees:
Related Party Transaction [Line Items]
Payable (Receivable)	[1]	(7)	15
Transfer agent and other professional fees | Ongoing fees:
Related Party Transaction [Line Items]
Payable (Receivable)		99	560
Property management and leasing fees | Ongoing fees:
Related Party Transaction [Line Items]
Payable (Receivable)		0	0
Strategic advisory fees | Ongoing fees:
Related Party Transaction [Line Items]
Payable (Receivable)		0	0
Distributions on Class B units | Ongoing fees:
Related Party Transaction [Line Items]
Payable (Receivable)		0	0
Incurred
Related Party Transaction [Line Items]
Fees paid to related parties		14,178	16,188	$ 23,479
Incurred | Acquisition fees and related cost reimbursements
Related Party Transaction [Line Items]
Fees paid to related parties		0	3,350	15,836
Incurred | Financing coordination fees
Related Party Transaction [Line Items]
Fees paid to related parties		0	2,363	6,584
Incurred | Asset Management Fees | Ongoing fees:
Related Party Transaction [Line Items]
Fees paid to related parties	[1]	12,465	8,397	0
Incurred | Transfer agent and other professional fees | Ongoing fees:
Related Party Transaction [Line Items]
Fees paid to related parties		1,713	1,971	0
Incurred | Property management and leasing fees | Ongoing fees:
Related Party Transaction [Line Items]
Fees paid to related parties		0	0	0
Incurred | Strategic advisory fees | Ongoing fees:
Related Party Transaction [Line Items]
Fees paid to related parties		0	0	920
Incurred | Distributions on Class B units | Ongoing fees:
Related Party Transaction [Line Items]
Fees paid to related parties		0	107	139
Forgiven
Related Party Transaction [Line Items]
Fees paid to related parties		2,603	1,731	840
Forgiven | Acquisition fees and related cost reimbursements
Related Party Transaction [Line Items]
Fees paid to related parties		0	0	0
Forgiven | Financing coordination fees
Related Party Transaction [Line Items]
Fees paid to related parties		0	0	0
Forgiven | Asset Management Fees | Ongoing fees:
Related Party Transaction [Line Items]
Fees paid to related parties	[1]	0	0	0
Forgiven | Transfer agent and other professional fees | Ongoing fees:
Related Party Transaction [Line Items]
Fees paid to related parties		0	0	0
Forgiven | Property management and leasing fees | Ongoing fees:
Related Party Transaction [Line Items]
Fees paid to related parties		2,603	1,731	840
Forgiven | Strategic advisory fees | Ongoing fees:
Related Party Transaction [Line Items]
Fees paid to related parties		0	0	0
Forgiven | Distributions on Class B units | Ongoing fees:
Related Party Transaction [Line Items]
Fees paid to related parties		$ 0	$ 0	$ 0

[1] Prior to the Listing, the Company caused the OP to issue to the Advisor restricted performance based Class B units for asset management services, which vested as of the Listing.