Related Party Transactions and Arrangements - Fees Paid in Connection with the Offering (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Related Party Transaction [Line Items]
Due to affiliates	$ 6,546	$ 7,011
Dealer manager
Related Party Transaction [Line Items]
Fees incurred with the offering	460	5,730
Due to affiliates	0	4,645
Commissions and Fees | Dealer manager
Related Party Transaction [Line Items]
Fees incurred with the offering	61,079	24,099
Due to affiliates	1	153
Offering Services | Advisor and Affiliates
Related Party Transaction [Line Items]
Fees incurred with the offering	15,007	3,915
Due to affiliates	787	$ 1,885
General and Administrative Expense | Offering Services | Advisor and Affiliates
Related Party Transaction [Line Items]
Fees incurred with the offering	$ 800