Purchase Price Allocation for Acquisitions (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Business Acquisition [Line Items]
Real Estate Assets	$ 74,743,745		$ 85,722,709
Intangibles	7,050,000		7,260,000
Total	81,793,745		92,982,709
Debt Assumed or Issued	37,440,126	[1],[2]	35,399,289	[1],[2]
Revenue	1,696,915	[3]	2,431,180	[3]
Operating Income	1,072,668	[3],[4]	1,325,224	[3],[4]
Chantilly - VA
Business Acquisition [Line Items]
Acquisition Date			May 24, 2012
Real Estate Assets			6,400,000
Intangibles			900,000
Total			7,300,000
Debt Assumed or Issued			3,500,000	[1],[2]
Revenue			550,910	[3]
Operating Income			359,387	[3],[4]
Savannah I - GA
Business Acquisition [Line Items]
Acquisition Date			Aug. 16, 2012	[5]
Real Estate Assets			2,560,000	[5]
Intangibles			140,000	[5]
Total			2,700,000	[5]
Debt Assumed or Issued				[1],[2],[5]
Revenue			123,372	[3],[5]
Operating Income			57,061	[3],[4],[5]
Savannah II - GA
Business Acquisition [Line Items]
Acquisition Date			Aug. 16, 2012	[5]
Real Estate Assets			2,490,000	[5]
Intangibles			110,000	[5]
Total			2,600,000	[5]
Debt Assumed or Issued				[1],[2],[5]
Revenue			113,223	[3],[5]
Operating Income			46,759	[3],[4],[5]
Columbia - SC
Business Acquisition [Line Items]
Acquisition Date			Aug. 16, 2012	[5]
Real Estate Assets			2,630,000	[5]
Intangibles			70,000	[5]
Total			2,700,000	[5]
Debt Assumed or Issued				[1],[2],[5]
Revenue			99,115	[3],[5]
Operating Income			20,289	[3],[4],[5]
Lexington I - SC
Business Acquisition [Line Items]
Acquisition Date			Aug. 16, 2012	[5]
Real Estate Assets			1,810,000	[5]
Intangibles			190,000	[5]
Total			2,000,000	[5]
Debt Assumed or Issued				[1],[2],[5]
Revenue			81,112	[3],[5]
Operating Income			23,272	[3],[4],[5]
Stuart I - FL
Business Acquisition [Line Items]
Acquisition Date			Aug. 16, 2012	[5]
Real Estate Assets			2,890,000	[5]
Intangibles			110,000	[5]
Total			3,000,000	[5]
Debt Assumed or Issued				[1],[2],[5]
Revenue			106,495	[3],[5]
Operating Income			43,489	[3],[4],[5]
Lexington II - SC
Business Acquisition [Line Items]
Acquisition Date			Aug. 16, 2012	[5]
Real Estate Assets			4,130,000	[5]
Intangibles			170,000	[5]
Total			4,300,000	[5]
Debt Assumed or Issued				[1],[2],[5]
Revenue			151,327	[3],[5]
Operating Income			71,512	[3],[4],[5]
Stuart II - FL
Business Acquisition [Line Items]
Acquisition Date			Aug. 16, 2012	[5]
Real Estate Assets			3,300,000	[5]
Intangibles			100,000	[5]
Total			3,400,000	[5]
Debt Assumed or Issued				[1],[2],[5]
Revenue			148,858	[3],[5]
Operating Income			76,937	[3],[4],[5]
Bluffton - SC
Business Acquisition [Line Items]
Acquisition Date			Aug. 16, 2012	[5]
Real Estate Assets			5,230,000	[5]
Intangibles			270,000	[5]
Total			5,500,000	[5]
Debt Assumed or Issued				[1],[2],[5]
Revenue			210,482	[3],[5]
Operating Income			114,010	[3],[4],[5]
Wilmington Island - GA
Business Acquisition [Line Items]
Acquisition Date			Oct. 01, 2012	[5]
Real Estate Assets			5,810,000	[5]
Intangibles			690,000	[5]
Total			6,500,000	[5]
Debt Assumed or Issued			4,330,000	[1],[2],[5]
Revenue			191,219	[3],[5]
Operating Income			135,144	[3],[4],[5]
Myrtle Beach - SC
Business Acquisition [Line Items]
Acquisition Date			Oct. 01, 2012	[5]
Real Estate Assets			3,510,000	[5]
Intangibles			190,000	[5]
Total			3,700,000	[5]
Debt Assumed or Issued			1,500,000	[1],[2],[5]
Revenue			74,102	[3],[5]
Operating Income			31,355	[3],[4],[5]
Mt. Pleasant I - SC
Business Acquisition [Line Items]
Acquisition Date			Nov. 05, 2012	[5]
Real Estate Assets			2,680,000	[5]
Intangibles			320,000	[5]
Total			3,000,000	[5]
Debt Assumed or Issued			1,500,000	[1],[2],[5]
Revenue			51,787	[3],[5]
Operating Income			23,551	[3],[4],[5]
Charleston I - SC
Business Acquisition [Line Items]
Acquisition Date			Nov. 05, 2012	[5]
Real Estate Assets			2,810,000	[5]
Intangibles			190,000	[5]
Total			3,000,000	[5]
Debt Assumed or Issued			1,500,000	[1],[2],[5]
Revenue			53,393	[3],[5]
Operating Income			20,811	[3],[4],[5]
Charleston II - SC
Business Acquisition [Line Items]
Acquisition Date			Nov. 05, 2012	[5]
Real Estate Assets			3,150,000	[5]
Intangibles			350,000	[5]
Total			3,500,000	[5]
Debt Assumed or Issued			1,650,000	[1],[2],[5]
Revenue			63,445	[3],[5]
Operating Income			35,634	[3],[4],[5]
Mt. Pleasant II - SC
Business Acquisition [Line Items]
Acquisition Date			Nov. 05, 2012	[5]
Real Estate Assets			5,200,000	[5]
Intangibles			600,000	[5]
Total			5,800,000	[5]
Debt Assumed or Issued			3,350,000	[1],[2],[5]
Revenue			91,692	[3],[5]
Operating Income			55,170	[3],[4],[5]
Charleston III - SC
Business Acquisition [Line Items]
Acquisition Date			Nov. 05, 2012	[5]
Real Estate Assets			6,305,000	[5]
Intangibles			620,000	[5]
Total			6,925,000	[5]
Debt Assumed or Issued			3,362,500	[1],[2],[5]
Revenue			99,124	[3],[5]
Operating Income			64,738	[3],[4],[5]
Mt. Pleasant III - SC
Business Acquisition [Line Items]
Acquisition Date			Nov. 05, 2012	[5]
Real Estate Assets			15,410,000	[5]
Intangibles			1,090,000	[5]
Total			16,500,000	[5]
Debt Assumed or Issued			8,000,000	[1],[2],[5]
Revenue			221,524	[3],[5]
Operating Income			146,105	[3],[4],[5]
Ridgeland - MS
Business Acquisition [Line Items]
Acquisition Date			Dec. 28, 2012
Real Estate Assets			4,910,788
Intangibles			610,000
Total			5,520,788
Debt Assumed or Issued			3,510,095	[1],[2]
Revenue				[3]
Operating Income				[3],[4]
Canton - MS
Business Acquisition [Line Items]
Acquisition Date			Dec. 28, 2012
Real Estate Assets			4,496,921
Intangibles			540,000
Total			5,036,921
Debt Assumed or Issued			3,196,694	[1],[2]
Revenue				[3]
Operating Income				[3],[4]
North Charleston - SC
Business Acquisition [Line Items]
Acquisition Date	Jul. 10, 2013
Real Estate Assets	6,152,000
Intangibles	420,000
Total	6,572,000
Debt Assumed or Issued		[1],[2]
Revenue	365,262	[3]
Operating Income	200,625	[3],[4]
Toms River II - NJ
Business Acquisition [Line Items]
Acquisition Date	Aug. 28, 2013
Real Estate Assets	4,900,000
Intangibles	300,000
Total	5,200,000
Debt Assumed or Issued		[1],[2]
Revenue	157,717	[3]
Operating Income	67,146	[3],[4]
Pickering - CAN
Business Acquisition [Line Items]
Acquisition Date	Aug. 29, 2013	[6],[7]
Real Estate Assets	5,100,155	[6],[7]
Intangibles		[6],[7]
Total	5,100,155	[6],[7]
Debt Assumed or Issued		[1],[2],[6],[7]
Revenue		[3],[6],[7]
Operating Income		[3],[4],[6],[7]
Montgomery II - AL
Business Acquisition [Line Items]
Acquisition Date	Oct. 28, 2013	[8],[9]
Real Estate Assets	7,770,000	[8],[9]
Intangibles	830,000	[8],[9]
Total	8,600,000	[8],[9]
Debt Assumed or Issued	4,554,014	[1],[2],[8],[9]
Revenue	149,645	[3],[8],[9]
Operating Income	102,435	[3],[4],[8],[9]
Knoxville - TN
Business Acquisition [Line Items]
Acquisition Date	Oct. 28, 2013	[8],[9]
Real Estate Assets	7,790,000	[8],[9]
Intangibles	740,000	[8],[9]
Total	8,530,000	[8],[9]
Debt Assumed or Issued	4,527,382	[1],[2],[8],[9]
Revenue	145,984	[3],[8],[9]
Operating Income	105,675	[3],[4],[8],[9]
Knoxville II - TN
Business Acquisition [Line Items]
Acquisition Date	Oct. 28, 2013	[8],[9]
Real Estate Assets	9,940,000	[8],[9]
Intangibles	960,000	[8],[9]
Total	10,900,000	[8],[9]
Debt Assumed or Issued	5,805,701	[1],[2],[8],[9]
Revenue	174,377	[3],[8],[9]
Operating Income	124,008	[3],[4],[8],[9]
Knoxville III - TN
Business Acquisition [Line Items]
Acquisition Date	Oct. 28, 2013	[8],[9]
Real Estate Assets	7,840,000	[8],[9]
Intangibles	660,000	[8],[9]
Total	8,500,000	[8],[9]
Debt Assumed or Issued	4,527,382	[1],[2],[8],[9]
Revenue	136,503	[3],[8],[9]
Operating Income	94,497	[3],[4],[8],[9]
Midland I - TX
Business Acquisition [Line Items]
Acquisition Date	Nov. 01, 2013	[8]
Real Estate Assets	5,092,387	[8]
Intangibles	590,000	[8]
Total	5,682,387	[8]
Debt Assumed or Issued	3,607,716	[1],[2],[8]
Revenue	114,346	[3],[8]
Operating Income	77,453	[3],[4],[8]
Coppell - TX
Business Acquisition [Line Items]
Acquisition Date	Nov. 01, 2013	[8]
Real Estate Assets	6,662,738	[8]
Intangibles	750,000	[8]
Total	7,412,738	[8]
Debt Assumed or Issued	4,707,735	[1],[2],[8]
Revenue	148,475	[3],[8]
Operating Income	99,927	[3],[4],[8]
Midland II - TX
Business Acquisition [Line Items]
Acquisition Date	Nov. 01, 2013	[8]
Real Estate Assets	6,947,260	[8]
Intangibles	850,000	[8]
Total	7,797,260	[8]
Debt Assumed or Issued	4,952,183	[1],[2],[8]
Revenue	139,454	[3],[8]
Operating Income	106,544	[3],[4],[8]
Arlington - TX
Business Acquisition [Line Items]
Acquisition Date	Nov. 01, 2013	[8]
Real Estate Assets	3,108,876	[8]
Intangibles	480,000	[8]
Total	3,588,876	[8]
Debt Assumed or Issued	2,276,830	[1],[2],[8]
Revenue	82,520	[3],[8]
Operating Income	44,744	[3],[4],[8]
Weatherford - TX
Business Acquisition [Line Items]
Acquisition Date	Nov. 01, 2013	[8]
Real Estate Assets	3,440,329	[8]
Intangibles	470,000	[8]
Total	3,910,329	[8]
Debt Assumed or Issued	2,481,183	[1],[2],[8]
Revenue	82,632	[3],[8]
Operating Income	$ 49,614	[3],[4],[8]

[1] See Note 5 for specific terms of the Company's debt.

[2] Amounts include the purchase accounting fair value adjustment of debt, as applicable

[3] The operating results of the facilities acquired above have been included in the Company's statement of operations since their respective acquisition date. The revenue and operating income in the table above represents such metrics from the respective acquisition date through the end of the respective fiscal year.

[4] Property operating income excludes corporate general and administrative expenses, asset management fees, interest expense, depreciation, amortization and acquisition expenses.

[5] The above noted properties are collectively referred to as the "Stockade Portfolio."

[6] Allocation (excludes development costs) based on Canadian/U.S. exchange rate as of the date of acquisition.

[7] Property was under construction; therefore no revenue or operating income is included above.

[8] The allocations noted above are based on a preliminary determination of the fair value of the total consideration provided. Such valuations may change as we complete our purchase price accounting.

[9] The above noted properties are collectively referred to as the "Knoxville Portfolio."