Related Party Transactions and Arrangements - Fees Paid in Connection with the Operations of the Company (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
Advisor
Related Party Transaction [Line Items]
Fees incurred with the offering	54,225	2,413
Due to affiliates	1,190	0
Property Manager
Related Party Transaction [Line Items]
Fees incurred with the offering	16,714	2,841
Due to affiliates	4,659	248
Dealer manager
Related Party Transaction [Line Items]
Fees incurred with the offering	460	5,730
Due to affiliates	0	4,645
Asset management fees | Advisor
Related Party Transaction [Line Items]
Fees incurred with the offering	4,097	0
Due to affiliates	1,190	0
Acquisition fees | Advisor
Related Party Transaction [Line Items]
Fees incurred with the offering	31,068	1,598
Due to affiliates	0	0
Acquisition cost reimbursements | Advisor
Related Party Transaction [Line Items]
Fees incurred with the offering	2,066	0
Due to affiliates	0	0
Financing coordination fees | Advisor
Related Party Transaction [Line Items]
Fees incurred with the offering	16,994	815
Due to affiliates	0	0
Total management fees and reimbursable expenses incurred from Crestline | Property Manager
Related Party Transaction [Line Items]
Fees incurred with the offering	9,898	2,579
Due to affiliates	1,106	228
Total management fees incurred from Property Manager | Property Manager
Related Party Transaction [Line Items]
Fees incurred with the offering	6,816	262
Due to affiliates	3,553	20
Interest related to the Property improvement plan promissory note | Property Manager
Related Party Transaction [Line Items]
Fees incurred with the offering	21	63
Due to affiliates	0	20
Transaction fees and expenses | Dealer manager
Related Party Transaction [Line Items]
Fees incurred with the offering	0	5,270
Due to affiliates	0	4,645
Advisory and investment banking fee | Dealer manager
Related Party Transaction [Line Items]
Fees incurred with the offering	460	460
Due to affiliates	$ 0	$ 0