Related Party Transactions and Arrangements - Fees Paid in Connection with the Offering - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($)
Related Party Transaction [Line Items]
Liability for initial public offering costs (percent)	2.00%
Offering and related costs in excess of gross proceeds form the offering limit	$ 5.9
Dealer manager
Related Party Transaction [Line Items]
Sales commissions earned by related party (percent)	7.00%
Gross proceeds from the sales of common stock, before allowances (percent)	3.00%
Brokerage fees earned by related party (percent)	2.50%
Participating broker dealers
Related Party Transaction [Line Items]
Sales commissions earned by related party (percent)	7.50%
Brokerage fees earned by related party (percent)	1.00%