Schedule III - Real Estate and Accumulated Depreciation (Detail) (USD $)	12 Months Ended
	Dec. 31, 2014 Property	Dec. 31, 2013
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	16
Encumbrances	$ 146,430,000
Initial Cost, Land	38,117,000
Initial Cost , Buildings and Improvements	176,139,000
Cost Capitalized Subsequent to Acquisition, Improvement	0
Cost Capitalized Subsequent to Acquisition, Capitalized Costs	0
Gross Amounts, Land	38,117,000
Gross Amounts, Buildings and Improvements	176,139,000
Total	214,256,000
Accumulated Depreciation	(4,224,000)	(877,000)
Industrial Property [Member] | ARIZONA
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	2
Encumbrances	16,600,000
Initial Cost, Land	6,011,000
Initial Cost , Buildings and Improvements	27,046,000
Gross Amounts, Land	6,011,000
Gross Amounts, Buildings and Improvements	27,046,000
Total	33,057,000
Accumulated Depreciation	(1,836,000)
Year of Construction	1997-1999
Date Acquired	Apr. 18, 2013
Life (in years)	32 years
Industrial Property [Member] | NEVADA
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	2,505,000
Initial Cost, Land	628,000
Initial Cost , Buildings and Improvements	4,053,000
Gross Amounts, Land	628,000
Gross Amounts, Buildings and Improvements	4,053,000
Total	4,681,000
Accumulated Depreciation	(210,000)
Year of Construction	1988
Date Acquired	Apr. 18, 2013
Life (in years)	39 years
Retail Site [Member] | TENNESSEE
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	12,350,000
Initial Cost, Land	3,503,000
Initial Cost , Buildings and Improvements	13,309,000
Gross Amounts, Land	3,503,000
Gross Amounts, Buildings and Improvements	13,309,000
Total	16,812,000
Accumulated Depreciation	(331,000)
Year of Construction	2002
Date Acquired	Apr. 01, 2014
Life (in years)	36 years
Retail Site [Member] | VIRGINIA
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	11,025,000
Initial Cost, Land	6,394,000
Initial Cost , Buildings and Improvements	12,046,000
Gross Amounts, Land	6,394,000
Gross Amounts, Buildings and Improvements	12,046,000
Total	18,440,000
Accumulated Depreciation	(245,000)
Year of Construction	1994
Date Acquired	Jun. 02, 2014
Life (in years)	37 years
Retail Site [Member] | NEW YORK | Retail - Amherst - NY
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	8,270,000
Initial Cost, Land	2,131,000
Initial Cost , Buildings and Improvements	9,740,000
Gross Amounts, Land	2,131,000
Gross Amounts, Buildings and Improvements	9,740,000
Total	11,871,000
Accumulated Depreciation	(127,000)
Year of Construction	1986
Date Acquired	Nov. 10, 2014
Life (in years)	30 years
Retail Site [Member] | NEW YORK | Retail - Cheektowaga - NY
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	9,447,000
Initial Cost, Land	1,961,000
Initial Cost , Buildings and Improvements	12,259,000
Gross Amounts, Land	1,961,000
Gross Amounts, Buildings and Improvements	12,259,000
Total	14,220,000
Accumulated Depreciation	(180,000)
Year of Construction	1978
Date Acquired	Nov. 10, 2014
Life (in years)	27 years
Retail Site [Member] | NEW YORK | Retail - Jamestown - NY
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	7,356,000
Initial Cost, Land	820,000
Initial Cost , Buildings and Improvements	4,915,000
Gross Amounts, Land	820,000
Gross Amounts, Buildings and Improvements	4,915,000
Total	5,735,000
Accumulated Depreciation	(123,000)
Year of Construction	1997
Date Acquired	Nov. 10, 2014
Life (in years)	31 years
Retail Site [Member] | NEW YORK | Retail - Penfield - NY
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	23,558,000
Initial Cost, Land	4,121,000
Initial Cost , Buildings and Improvements	22,413,000
Gross Amounts, Land	4,121,000
Gross Amounts, Buildings and Improvements	22,413,000
Total	26,534,000
Accumulated Depreciation	(341,000)
Year of Construction	1978
Date Acquired	Nov. 10, 2014
Life (in years)	26 years
Retail Site [Member] | NEW YORK | Retail - Irondequoit - NY
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	15,000,000
Initial Cost, Land	2,438,000
Initial Cost , Buildings and Improvements	14,684,000
Gross Amounts, Land	2,438,000
Gross Amounts, Buildings and Improvements	14,684,000
Total	17,122,000
Accumulated Depreciation	(193,000)
Year of Construction	1972
Date Acquired	Nov. 10, 2014
Life (in years)	29 years
Retail Site [Member] | NEW YORK | Retail - Orchard Park - NY
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	12,888,000
Initial Cost, Land	4,204,000
Initial Cost , Buildings and Improvements	20,617,000
Gross Amounts, Land	4,204,000
Gross Amounts, Buildings and Improvements	20,617,000
Total	24,821,000
Accumulated Depreciation	(264,000)
Year of Construction	1997, 2000
Date Acquired	Nov. 10, 2014
Life (in years)	34 years
Retail Site [Member] | NEW YORK | Retail - LeRoy - NY
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	3,492,000
Initial Cost, Land	374,000
Initial Cost , Buildings and Improvements	4,922,000
Gross Amounts, Land	374,000
Gross Amounts, Buildings and Improvements	4,922,000
Total	5,296,000
Accumulated Depreciation	(62,000)
Year of Construction	1997
Date Acquired	Nov. 10, 2014
Life (in years)	30 years
Retail Site [Member] | NEW YORK | Retail - Ontario - NY
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	5,406,000
Initial Cost, Land	575,000
Initial Cost , Buildings and Improvements	6,813,000
Gross Amounts, Land	575,000
Gross Amounts, Buildings and Improvements	6,813,000
Total	7,388,000
Accumulated Depreciation	(72,000)
Year of Construction	1998
Date Acquired	Nov. 10, 2014
Life (in years)	33 years
Retail Site [Member] | NEW YORK | Retail - Warsaw - NY
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	3,416,000
Initial Cost, Land	478,000
Initial Cost , Buildings and Improvements	4,117,000
Gross Amounts, Land	478,000
Gross Amounts, Buildings and Improvements	4,117,000
Total	4,595,000
Accumulated Depreciation	(46,000)
Year of Construction	1998
Date Acquired	Nov. 10, 2014
Life (in years)	31 years
Retail Site [Member] | GEORGIA
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	7,230,000
Initial Cost, Land	3,217,000
Initial Cost , Buildings and Improvements	8,386,000
Gross Amounts, Land	3,217,000
Gross Amounts, Buildings and Improvements	8,386,000
Total	11,603,000
Accumulated Depreciation	(92,000)
Year of Construction	1996
Date Acquired	Nov. 10, 2014
Life (in years)	31 years
Retail Site [Member] | OHIO
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]
Number of Properties	1
Encumbrances	7,887,000
Initial Cost, Land	1,262,000
Initial Cost , Buildings and Improvements	10,819,000
Gross Amounts, Land	1,262,000
Gross Amounts, Buildings and Improvements	10,819,000
Total	12,081,000
Accumulated Depreciation	$ (102,000)
Year of Construction	1981
Date Acquired	Nov. 10, 2014
Life (in years)	28 years