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Dividends characterized as capital gain distribution percentage.

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Dividends characterized as ordinary income percentage.

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Dividends characterized as ordinary taxable income percentage.

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Dividends characterized as return of capital percentage.

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Fully amortized and written off intangible assets.

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Percentage of ordinary taxable income distributed to stockholders.

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Rental revenue percentage.

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Revenue recognized rent.

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Significant accounting policies.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

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No definition available.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Significant Accounting Policies [Line Items]
Federal Deposit Insurance Corporation deposit insurance limit per institution	$ 250,000
Restricted cash	5,518,000	$ 5,413,000
Amortization expense for intangible assets	3,735,000	7,206,000	$ 3,778,000
Fully amortized and written off intangible assets	7,471,000
Depreciation expense	31,089,000	20,888,000	8,742,000
Advertising expenses	1,749,000	1,399,000	675,000
Income tax expense	$ 0	$ 0	$ 0
Taxable income distributable to stockholders	90.00%
Dividends characterized as capital gain distribution	93.00%	17.00%
Dividends characterized as ordinary income percentage	7.00%
Dividends characterized as return of capital	0.00%	83.00%	65.00%
Dividends characterized as ordinary taxable income			35.00%
Natural Disasters and Other Insurable Events
Significant Accounting Policies [Line Items]
Rent revenue recognized	$ 189,000	$ 322,000
Georgia
Significant Accounting Policies [Line Items]
Percentage of rental revenue	9.22%
Kentucky
Significant Accounting Policies [Line Items]
Percentage of rental revenue	11.21%
North Carolina
Significant Accounting Policies [Line Items]
Percentage of rental revenue	13.38%
Oklahoma
Significant Accounting Policies [Line Items]
Percentage of rental revenue	7.91%
South Carolina
Significant Accounting Policies [Line Items]
Percentage of rental revenue	8.57%
Tennessee
Significant Accounting Policies [Line Items]
Percentage of rental revenue	13.33%
Texas
Significant Accounting Policies [Line Items]
Percentage of rental revenue	11.88%
Building and Building Improvements
Significant Accounting Policies [Line Items]
Depreciable Lives	40 years
Leases Acquired In Place
Significant Accounting Policies [Line Items]
Acquisition of above-market in-place leases	$ 0	$ 7,690,000
Maximum
Significant Accounting Policies [Line Items]
Cash and cash equivalents maturity period	3 months
Maximum \| Equipment and Fixtures
Significant Accounting Policies [Line Items]
Depreciable Lives	10 years
Minimum \| Equipment and Fixtures
Significant Accounting Policies [Line Items]
Depreciable Lives	5 years