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Real Estate and Accumulated Depreciation (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,240,754    
Buildings & Improvements, Initial Cost 6,546,831    
Improvements, Initial Cost 5,780    
Land, Total Cost 2,284,214    
Buildings & Improvements, Total Cost 7,843,985    
Total Cost 10,128,199    
Accumulated Depreciation 2,062,899    
Total Cost, Net of Accumulated Depreciation 8,065,300    
Encumbrances 1,174,227    
The changes in Total Real Estate Assets, excluding real estate held for sale, for the three years ended December 31, 2015 are as follows:      
Balance at beginning of year 10,335,785 $ 10,211,611 $ 8,639,111
Acquisitions and transfers from joint ventures 226,885 632,672 1,776,474
Developments, improvements and expansions 305,772 249,891 194,243
Real estate held for sale 0 0 (16,450)
Adjustments of property carrying values (279,021) (38,052) (72,597)
Sales, transfers to joint ventures and retirements (461,222) (720,337) (309,170)
Balance at end of year 10,128,199 10,335,785 10,211,611
The changes in Accumulated Depreciation and Amortization, excluding real estate held for sale, for the three years ended December 31, 2015 are as follows:      
Balance at beginning of year 1,909,585 1,823,199 1,670,717
Depreciation for year 309,462 309,595 267,096
Real estate held for sale 0 0 (3,780)
Sales and retirements (156,148) (223,209) (110,834)
Balance at end of year 2,062,899 $ 1,909,585 $ 1,823,199
Bayamon, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost 132,074    
Buildings & Improvements, Initial Cost 152,441    
Improvements, Initial Cost 0    
Land, Total Cost 132,759    
Buildings & Improvements, Total Cost 187,408    
Total Cost 320,167    
Accumulated Depreciation 60,281    
Total Cost, Net of Accumulated Depreciation 259,886    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Carolina, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 28,522    
Buildings & Improvements, Initial Cost 76,947    
Improvements, Initial Cost 0    
Land, Total Cost 28,601    
Buildings & Improvements, Total Cost 82,737    
Total Cost 111,338    
Accumulated Depreciation 29,062    
Total Cost, Net of Accumulated Depreciation 82,276    
Encumbrances $ 72,306    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Humacao, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 16,386    
Buildings & Improvements, Initial Cost 74,059    
Improvements, Initial Cost 0    
Land, Total Cost 16,386    
Buildings & Improvements, Total Cost 83,639    
Total Cost 100,025    
Accumulated Depreciation 31,377    
Total Cost, Net of Accumulated Depreciation 68,648    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Isabela, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 8,175    
Buildings & Improvements, Initial Cost 41,094    
Improvements, Initial Cost 0    
Land, Total Cost 8,236    
Buildings & Improvements, Total Cost 43,145    
Total Cost 51,381    
Accumulated Depreciation 15,218    
Total Cost, Net of Accumulated Depreciation 36,163    
Encumbrances $ 21,778    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
San German, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 9,686    
Buildings & Improvements, Initial Cost 20,775    
Improvements, Initial Cost 0    
Land, Total Cost 9,686    
Buildings & Improvements, Total Cost 21,615    
Total Cost 31,301    
Accumulated Depreciation 7,683    
Total Cost, Net of Accumulated Depreciation 23,618    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Cayey, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 18,226    
Buildings & Improvements, Initial Cost 25,101    
Improvements, Initial Cost 0    
Land, Total Cost 18,538    
Buildings & Improvements, Total Cost 27,534    
Total Cost 46,072    
Accumulated Depreciation 9,485    
Total Cost, Net of Accumulated Depreciation 36,587    
Encumbrances $ 20,619    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Bayamon, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 91,645    
Buildings & Improvements, Initial Cost 98,007    
Improvements, Initial Cost 0    
Land, Total Cost 92,027    
Buildings & Improvements, Total Cost 123,323    
Total Cost 215,350    
Accumulated Depreciation 38,729    
Total Cost, Net of Accumulated Depreciation 176,621    
Encumbrances $ 123,657    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Rio Piedras, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 10,338    
Buildings & Improvements, Initial Cost 23,285    
Improvements, Initial Cost 0    
Land, Total Cost 10,338    
Buildings & Improvements, Total Cost 29,860    
Total Cost 40,198    
Accumulated Depreciation 10,495    
Total Cost, Net of Accumulated Depreciation 29,703    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Bayamon, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,294    
Buildings & Improvements, Initial Cost 11,987    
Improvements, Initial Cost 0    
Land, Total Cost 4,584    
Buildings & Improvements, Total Cost 23,681    
Total Cost 28,265    
Accumulated Depreciation 7,237    
Total Cost, Net of Accumulated Depreciation 21,028    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Arecibo, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 7,965    
Buildings & Improvements, Initial Cost 29,898    
Improvements, Initial Cost 0    
Land, Total Cost 8,094    
Buildings & Improvements, Total Cost 31,685    
Total Cost 39,779    
Accumulated Depreciation 11,233    
Total Cost, Net of Accumulated Depreciation 28,546    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Hatillo, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 101,219    
Buildings & Improvements, Initial Cost 105,465    
Improvements, Initial Cost 0    
Land, Total Cost 101,219    
Buildings & Improvements, Total Cost 134,092    
Total Cost 235,311    
Accumulated Depreciation 46,847    
Total Cost, Net of Accumulated Depreciation 188,464    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Vega Baja, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 7,076    
Buildings & Improvements, Initial Cost 18,684    
Improvements, Initial Cost 0    
Land, Total Cost 7,076    
Buildings & Improvements, Total Cost 19,112    
Total Cost 26,188    
Accumulated Depreciation 6,736    
Total Cost, Net of Accumulated Depreciation 19,452    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Guayama, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,960    
Buildings & Improvements, Initial Cost 18,721    
Improvements, Initial Cost 0    
Land, Total Cost 1,960    
Buildings & Improvements, Total Cost 19,559    
Total Cost 21,519    
Accumulated Depreciation 6,824    
Total Cost, Net of Accumulated Depreciation 14,695    
Encumbrances $ 11,588    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Fajardo, PR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,376    
Buildings & Improvements, Initial Cost 41,199    
Improvements, Initial Cost 0    
Land, Total Cost 4,376    
Buildings & Improvements, Total Cost 50,175    
Total Cost 54,551    
Accumulated Depreciation 15,316    
Total Cost, Net of Accumulated Depreciation 39,235    
Encumbrances $ 24,792    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Brandon, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 0    
Buildings & Improvements, Initial Cost 4,111    
Improvements, Initial Cost 0    
Land, Total Cost 0    
Buildings & Improvements, Total Cost 6,403    
Total Cost 6,403    
Accumulated Depreciation 5,411    
Total Cost, Net of Accumulated Depreciation 992    
Encumbrances $ 0    
Depreciable Lives (Years) 30 years    
Date of Construction (C) Acquisition (A) 1972    
Stow, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 993    
Buildings & Improvements, Initial Cost 9,028    
Improvements, Initial Cost 0    
Land, Total Cost 993    
Buildings & Improvements, Total Cost 37,257    
Total Cost 38,250    
Accumulated Depreciation 18,137    
Total Cost, Net of Accumulated Depreciation 20,113    
Encumbrances $ 0    
Depreciable Lives (Years) 30 years    
Date of Construction (C) Acquisition (A) 1969    
Westlake, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 424    
Buildings & Improvements, Initial Cost 3,803    
Improvements, Initial Cost 201    
Land, Total Cost 424    
Buildings & Improvements, Total Cost 10,411    
Total Cost 10,835    
Accumulated Depreciation 7,386    
Total Cost, Net of Accumulated Depreciation 3,449    
Encumbrances $ 0    
Depreciable Lives (Years) 30 years    
Date of Construction (C) Acquisition (A) 1974    
Palm Harbor, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,137    
Buildings & Improvements, Initial Cost 4,089    
Improvements, Initial Cost 0    
Land, Total Cost 1,137    
Buildings & Improvements, Total Cost 5,013    
Total Cost 6,150    
Accumulated Depreciation 3,111    
Total Cost, Net of Accumulated Depreciation 3,039    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1995    
Homestead, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 23,390    
Buildings & Improvements, Initial Cost 59,639    
Improvements, Initial Cost 0    
Land, Total Cost 24,103    
Buildings & Improvements, Total Cost 62,752    
Total Cost 86,855    
Accumulated Depreciation 11,746    
Total Cost, Net of Accumulated Depreciation 75,109    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2008    
Tarpon Springs, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 146    
Buildings & Improvements, Initial Cost 7,382    
Improvements, Initial Cost 81    
Land, Total Cost 146    
Buildings & Improvements, Total Cost 9,905    
Total Cost 10,051    
Accumulated Depreciation 7,487    
Total Cost, Net of Accumulated Depreciation 2,564    
Encumbrances $ 0    
Depreciable Lives (Years) 30 years    
Date of Construction (C) Acquisition (A) 1974    
McHenry, IL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,294    
Buildings & Improvements, Initial Cost 5,251    
Improvements, Initial Cost 0    
Land, Total Cost 14,255    
Buildings & Improvements, Total Cost 62,481    
Total Cost 76,736    
Accumulated Depreciation 15,491    
Total Cost, Net of Accumulated Depreciation 61,245    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2006    
Seabrook, NH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 18,032    
Buildings & Improvements, Initial Cost 68,663    
Improvements, Initial Cost 0    
Land, Total Cost 18,032    
Buildings & Improvements, Total Cost 68,663    
Total Cost 86,695    
Accumulated Depreciation 2,328    
Total Cost, Net of Accumulated Depreciation 84,367    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014    
Miami, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 11,626    
Buildings & Improvements, Initial Cost 30,457    
Improvements, Initial Cost 0    
Land, Total Cost 26,743    
Buildings & Improvements, Total Cost 119,140    
Total Cost 145,883    
Accumulated Depreciation 29,785    
Total Cost, Net of Accumulated Depreciation 116,098    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2006    
San Antonio, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,990    
Buildings & Improvements, Initial Cost 28,404    
Improvements, Initial Cost 0    
Land, Total Cost 3,990    
Buildings & Improvements, Total Cost 38,973    
Total Cost 42,963    
Accumulated Depreciation 9,525    
Total Cost, Net of Accumulated Depreciation 33,438    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Gulfport, MS [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 0    
Buildings & Improvements, Initial Cost 36,370    
Improvements, Initial Cost 0    
Land, Total Cost 0    
Buildings & Improvements, Total Cost 56,682    
Total Cost 56,682    
Accumulated Depreciation 22,122    
Total Cost, Net of Accumulated Depreciation 34,560    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Tupelo, MS [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,213    
Buildings & Improvements, Initial Cost 14,979    
Improvements, Initial Cost 0    
Land, Total Cost 2,213    
Buildings & Improvements, Total Cost 19,339    
Total Cost 21,552    
Accumulated Depreciation 11,968    
Total Cost, Net of Accumulated Depreciation 9,584    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1994    
Guilford, CT [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,588    
Buildings & Improvements, Initial Cost 41,892    
Improvements, Initial Cost 0    
Land, Total Cost 4,588    
Buildings & Improvements, Total Cost 41,892    
Total Cost 46,480    
Accumulated Depreciation 228    
Total Cost, Net of Accumulated Depreciation 46,252    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2015    
Long Beach, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 0    
Buildings & Improvements, Initial Cost 147,918    
Improvements, Initial Cost 0    
Land, Total Cost 0    
Buildings & Improvements, Total Cost 183,666    
Total Cost 183,666    
Accumulated Depreciation 52,362    
Total Cost, Net of Accumulated Depreciation 131,304    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Brunswick, ME [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,796    
Buildings & Improvements, Initial Cost 15,459    
Improvements, Initial Cost 0    
Land, Total Cost 3,796    
Buildings & Improvements, Total Cost 20,903    
Total Cost 24,699    
Accumulated Depreciation 12,237    
Total Cost, Net of Accumulated Depreciation 12,462    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1997    
Reno, NV [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,132    
Buildings & Improvements, Initial Cost 4,696    
Improvements, Initial Cost 0    
Land, Total Cost 1,132    
Buildings & Improvements, Total Cost 4,723    
Total Cost 5,855    
Accumulated Depreciation 1,663    
Total Cost, Net of Accumulated Depreciation 4,192    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2000    
Everett, MA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 9,311    
Buildings & Improvements, Initial Cost 44,647    
Improvements, Initial Cost 0    
Land, Total Cost 9,462    
Buildings & Improvements, Total Cost 52,050    
Total Cost 61,512    
Accumulated Depreciation 23,691    
Total Cost, Net of Accumulated Depreciation 37,821    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2001    
Pasadena, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 46,957    
Buildings & Improvements, Initial Cost 101,475    
Improvements, Initial Cost 2,053    
Land, Total Cost 46,957    
Buildings & Improvements, Total Cost 112,987    
Total Cost 159,944    
Accumulated Depreciation 49,527    
Total Cost, Net of Accumulated Depreciation 110,417    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Salisbury, MD [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,070    
Buildings & Improvements, Initial Cost 12,495    
Improvements, Initial Cost 277    
Land, Total Cost 2,071    
Buildings & Improvements, Total Cost 15,579    
Total Cost 17,650    
Accumulated Depreciation 6,910    
Total Cost, Net of Accumulated Depreciation 10,740    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1999    
Apex, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 9,576    
Buildings & Improvements, Initial Cost 43,619    
Improvements, Initial Cost 0    
Land, Total Cost 10,521    
Buildings & Improvements, Total Cost 56,250    
Total Cost 66,771    
Accumulated Depreciation 16,255    
Total Cost, Net of Accumulated Depreciation 50,516    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2006    
Erie, PA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 9,345    
Buildings & Improvements, Initial Cost 32,006    
Improvements, Initial Cost 0    
Land, Total Cost 9,345    
Buildings & Improvements, Total Cost 72,641    
Total Cost 81,986    
Accumulated Depreciation 30,683    
Total Cost, Net of Accumulated Depreciation 51,303    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1995    
San Francisco, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 10,464    
Buildings & Improvements, Initial Cost 25,730    
Improvements, Initial Cost 0    
Land, Total Cost 10,464    
Buildings & Improvements, Total Cost 26,178    
Total Cost 36,642    
Accumulated Depreciation 9,396    
Total Cost, Net of Accumulated Depreciation 27,246    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2002    
Phoenix, AZ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 18,701    
Buildings & Improvements, Initial Cost 18,811    
Improvements, Initial Cost 118    
Land, Total Cost 18,701    
Buildings & Improvements, Total Cost 21,100    
Total Cost 39,801    
Accumulated Depreciation 6,371    
Total Cost, Net of Accumulated Depreciation 33,430    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1999    
Macedonia, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 11,582    
Buildings & Improvements, Initial Cost 34,323    
Improvements, Initial Cost 0    
Land, Total Cost 11,582    
Buildings & Improvements, Total Cost 37,498    
Total Cost 49,080    
Accumulated Depreciation 8,887    
Total Cost, Net of Accumulated Depreciation 40,193    
Encumbrances $ 18,890    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2011    
Huber Hts, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 757    
Buildings & Improvements, Initial Cost 14,469    
Improvements, Initial Cost 0    
Land, Total Cost 757    
Buildings & Improvements, Total Cost 27,919    
Total Cost 28,676    
Accumulated Depreciation 16,693    
Total Cost, Net of Accumulated Depreciation 11,983    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1993    
Boardman, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 8,152    
Buildings & Improvements, Initial Cost 27,983    
Improvements, Initial Cost 0    
Land, Total Cost 8,152    
Buildings & Improvements, Total Cost 31,271    
Total Cost 39,423    
Accumulated Depreciation 16,704    
Total Cost, Net of Accumulated Depreciation 22,719    
Encumbrances $ 24,011    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1997    
Solon, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 6,220    
Buildings & Improvements, Initial Cost 7,454    
Improvements, Initial Cost 0    
Land, Total Cost 6,220    
Buildings & Improvements, Total Cost 25,694    
Total Cost 31,914    
Accumulated Depreciation 12,739    
Total Cost, Net of Accumulated Depreciation 19,175    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998    
Brentwood, MO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 10,018    
Buildings & Improvements, Initial Cost 32,053    
Improvements, Initial Cost 0    
Land, Total Cost 10,018    
Buildings & Improvements, Total Cost 36,259    
Total Cost 46,277    
Accumulated Depreciation 17,536    
Total Cost, Net of Accumulated Depreciation 28,741    
Encumbrances $ 30,475    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998    
Cedar Rapids, IA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,219    
Buildings & Improvements, Initial Cost 12,697    
Improvements, Initial Cost 0    
Land, Total Cost 4,219    
Buildings & Improvements, Total Cost 14,301    
Total Cost 18,520    
Accumulated Depreciation 7,993    
Total Cost, Net of Accumulated Depreciation 10,527    
Encumbrances $ 4,292    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998    
Springfield, MO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 0    
Buildings & Improvements, Initial Cost 2,048    
Improvements, Initial Cost 0    
Land, Total Cost 0    
Buildings & Improvements, Total Cost 2,655    
Total Cost 2,655    
Accumulated Depreciation 1,438    
Total Cost, Net of Accumulated Depreciation 1,217    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998    
St. Louis, MO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,159    
Buildings & Improvements, Initial Cost 3,818    
Improvements, Initial Cost 0    
Land, Total Cost 6,051    
Buildings & Improvements, Total Cost 7,896    
Total Cost 13,947    
Accumulated Depreciation 2,801    
Total Cost, Net of Accumulated Depreciation 11,146    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998    
Aurora, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 832    
Buildings & Improvements, Initial Cost 7,560    
Improvements, Initial Cost 0    
Land, Total Cost 1,592    
Buildings & Improvements, Total Cost 14,221    
Total Cost 15,813    
Accumulated Depreciation 7,741    
Total Cost, Net of Accumulated Depreciation 8,072    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1995    
Nampa, ID [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,395    
Buildings & Improvements, Initial Cost 8,563    
Improvements, Initial Cost 0    
Land, Total Cost 13,560    
Buildings & Improvements, Total Cost 35,533    
Total Cost 49,093    
Accumulated Depreciation 17,163    
Total Cost, Net of Accumulated Depreciation 31,930    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Simpsonville, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 417    
Buildings & Improvements, Initial Cost 6,563    
Improvements, Initial Cost 0    
Land, Total Cost 417    
Buildings & Improvements, Total Cost 10,186    
Total Cost 10,603    
Accumulated Depreciation 4,243    
Total Cost, Net of Accumulated Depreciation 6,360    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1994    
Mt. Pleasant, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,430    
Buildings & Improvements, Initial Cost 10,470    
Improvements, Initial Cost 0    
Land, Total Cost 2,364    
Buildings & Improvements, Total Cost 21,590    
Total Cost 23,954    
Accumulated Depreciation 12,767    
Total Cost, Net of Accumulated Depreciation 11,187    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1995    
Sault St. Marie, MI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,826    
Buildings & Improvements, Initial Cost 13,710    
Improvements, Initial Cost 0    
Land, Total Cost 1,826    
Buildings & Improvements, Total Cost 20,683    
Total Cost 22,509    
Accumulated Depreciation 11,816    
Total Cost, Net of Accumulated Depreciation 10,693    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1994    
Grand Rapids, MI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,380    
Buildings & Improvements, Initial Cost 17,323    
Improvements, Initial Cost 0    
Land, Total Cost 3,380    
Buildings & Improvements, Total Cost 26,481    
Total Cost 29,861    
Accumulated Depreciation 13,761    
Total Cost, Net of Accumulated Depreciation 16,100    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1995    
Meridian, ID [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 24,591    
Buildings & Improvements, Initial Cost 31,779    
Improvements, Initial Cost 0    
Land, Total Cost 24,841    
Buildings & Improvements, Total Cost 65,015    
Total Cost 89,856    
Accumulated Depreciation 25,723    
Total Cost, Net of Accumulated Depreciation 64,133    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2001    
Birmingham, AL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 10,573    
Buildings & Improvements, Initial Cost 26,002    
Improvements, Initial Cost 0    
Land, Total Cost 11,434    
Buildings & Improvements, Total Cost 59,811    
Total Cost 71,245    
Accumulated Depreciation 28,922    
Total Cost, Net of Accumulated Depreciation 42,323    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1994    
Valencia, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 0    
Buildings & Improvements, Initial Cost 15,784    
Improvements, Initial Cost 0    
Land, Total Cost 0    
Buildings & Improvements, Total Cost 18,015    
Total Cost 18,015    
Accumulated Depreciation 6,227    
Total Cost, Net of Accumulated Depreciation 11,788    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2006    
Mooresville, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 14,369    
Buildings & Improvements, Initial Cost 43,688    
Improvements, Initial Cost 0    
Land, Total Cost 14,369    
Buildings & Improvements, Total Cost 47,134    
Total Cost 61,503    
Accumulated Depreciation 17,341    
Total Cost, Net of Accumulated Depreciation 44,162    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Wilmington, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 5,529    
Buildings & Improvements, Initial Cost 18,551    
Improvements, Initial Cost 1,183    
Land, Total Cost 5,529    
Buildings & Improvements, Total Cost 37,424    
Total Cost 42,953    
Accumulated Depreciation 24,248    
Total Cost, Net of Accumulated Depreciation 18,705    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1989    
Spring Hill, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,084    
Buildings & Improvements, Initial Cost 4,816    
Improvements, Initial Cost 266    
Land, Total Cost 2,096    
Buildings & Improvements, Total Cost 12,127    
Total Cost 14,223    
Accumulated Depreciation 8,123    
Total Cost, Net of Accumulated Depreciation 6,100    
Encumbrances $ 2,129    
Depreciable Lives (Years) 30 years    
Date of Construction (C) Acquisition (A) 1988    
Centennial, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 7,833    
Buildings & Improvements, Initial Cost 35,550    
Improvements, Initial Cost 0    
Land, Total Cost 8,082    
Buildings & Improvements, Total Cost 66,379    
Total Cost 74,461    
Accumulated Depreciation 32,471    
Total Cost, Net of Accumulated Depreciation 41,990    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1997    
New Bern, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 441    
Buildings & Improvements, Initial Cost 6,575    
Improvements, Initial Cost 0    
Land, Total Cost 441    
Buildings & Improvements, Total Cost 9,092    
Total Cost 9,533    
Accumulated Depreciation 4,745    
Total Cost, Net of Accumulated Depreciation 4,788    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1989    
Princeton, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 13,448    
Buildings & Improvements, Initial Cost 74,249    
Improvements, Initial Cost 0    
Land, Total Cost 14,464    
Buildings & Improvements, Total Cost 98,744    
Total Cost 113,208    
Accumulated Depreciation 47,673    
Total Cost, Net of Accumulated Depreciation 65,535    
Encumbrances $ 56,075    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1997    
Phoenix, AZ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 15,352    
Buildings & Improvements, Initial Cost 22,813    
Improvements, Initial Cost 1,601    
Land, Total Cost 15,352    
Buildings & Improvements, Total Cost 27,269    
Total Cost 42,621    
Accumulated Depreciation 14,661    
Total Cost, Net of Accumulated Depreciation 27,960    
Encumbrances $ 30,000    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Russellville, AR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 606    
Buildings & Improvements, Initial Cost 13,391    
Improvements, Initial Cost 0    
Land, Total Cost 606    
Buildings & Improvements, Total Cost 20,915    
Total Cost 21,521    
Accumulated Depreciation 11,086    
Total Cost, Net of Accumulated Depreciation 10,435    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1994    
N. Little Rock, AR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 907    
Buildings & Improvements, Initial Cost 17,160    
Improvements, Initial Cost 0    
Land, Total Cost 907    
Buildings & Improvements, Total Cost 23,564    
Total Cost 24,471    
Accumulated Depreciation 11,977    
Total Cost, Net of Accumulated Depreciation 12,494    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1994    
Littleton, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 12,249    
Buildings & Improvements, Initial Cost 50,709    
Improvements, Initial Cost 0    
Land, Total Cost 12,621    
Buildings & Improvements, Total Cost 73,262    
Total Cost 85,883    
Accumulated Depreciation 26,943    
Total Cost, Net of Accumulated Depreciation 58,940    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2002    
San Antonio, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,475    
Buildings & Improvements, Initial Cost 37,327    
Improvements, Initial Cost 0    
Land, Total Cost 4,873    
Buildings & Improvements, Total Cost 49,822    
Total Cost 54,695    
Accumulated Depreciation 18,644    
Total Cost, Net of Accumulated Depreciation 36,051    
Encumbrances $ 24,398    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2002    
Denver, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,141    
Buildings & Improvements, Initial Cost 3,593    
Improvements, Initial Cost 0    
Land, Total Cost 1,141    
Buildings & Improvements, Total Cost 6,545    
Total Cost 7,686    
Accumulated Depreciation 2,139    
Total Cost, Net of Accumulated Depreciation 5,547    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2001    
Dublin, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,609    
Buildings & Improvements, Initial Cost 11,546    
Improvements, Initial Cost 0    
Land, Total Cost 3,609    
Buildings & Improvements, Total Cost 15,025    
Total Cost 18,634    
Accumulated Depreciation 7,700    
Total Cost, Net of Accumulated Depreciation 10,934    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998    
Columbus, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 12,922    
Buildings & Improvements, Initial Cost 46,006    
Improvements, Initial Cost 0    
Land, Total Cost 14,078    
Buildings & Improvements, Total Cost 61,197    
Total Cost 75,275    
Accumulated Depreciation 30,755    
Total Cost, Net of Accumulated Depreciation 44,520    
Encumbrances $ 49,384    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 1998    
Freehold, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,460    
Buildings & Improvements, Initial Cost 2,475    
Improvements, Initial Cost 0    
Land, Total Cost 3,166    
Buildings & Improvements, Total Cost 3,369    
Total Cost 6,535    
Accumulated Depreciation 763    
Total Cost, Net of Accumulated Depreciation 5,772    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2005    
Jackson, MS [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,190    
Buildings & Improvements, Initial Cost 6,783    
Improvements, Initial Cost 0    
Land, Total Cost 4,190    
Buildings & Improvements, Total Cost 7,712    
Total Cost 11,902    
Accumulated Depreciation 3,139    
Total Cost, Net of Accumulated Depreciation 8,763    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Tallahassee, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,881    
Buildings & Improvements, Initial Cost 2,956    
Improvements, Initial Cost 0    
Land, Total Cost 1,311    
Buildings & Improvements, Total Cost 6,117    
Total Cost 7,428    
Accumulated Depreciation 2,927    
Total Cost, Net of Accumulated Depreciation 4,501    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Cumming, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 14,249    
Buildings & Improvements, Initial Cost 23,653    
Improvements, Initial Cost 0    
Land, Total Cost 14,249    
Buildings & Improvements, Total Cost 25,732    
Total Cost 39,981    
Accumulated Depreciation 10,832    
Total Cost, Net of Accumulated Depreciation 29,149    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Douglasville, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,540    
Buildings & Improvements, Initial Cost 9,625    
Improvements, Initial Cost 0    
Land, Total Cost 3,540    
Buildings & Improvements, Total Cost 9,930    
Total Cost 13,470    
Accumulated Depreciation 4,312    
Total Cost, Net of Accumulated Depreciation 9,158    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Newnan, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,858    
Buildings & Improvements, Initial Cost 15,248    
Improvements, Initial Cost 0    
Land, Total Cost 2,651    
Buildings & Improvements, Total Cost 15,918    
Total Cost 18,569    
Accumulated Depreciation 5,278    
Total Cost, Net of Accumulated Depreciation 13,291    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Warner Robins, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 5,729    
Buildings & Improvements, Initial Cost 7,459    
Improvements, Initial Cost 0    
Land, Total Cost 5,729    
Buildings & Improvements, Total Cost 8,028    
Total Cost 13,757    
Accumulated Depreciation 3,512    
Total Cost, Net of Accumulated Depreciation 10,245    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Charleston, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,479    
Buildings & Improvements, Initial Cost 9,850    
Improvements, Initial Cost 0    
Land, Total Cost 3,479    
Buildings & Improvements, Total Cost 18,869    
Total Cost 22,348    
Accumulated Depreciation 9,923    
Total Cost, Net of Accumulated Depreciation 12,425    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Denver, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 20,733    
Buildings & Improvements, Initial Cost 22,818    
Improvements, Initial Cost 0    
Land, Total Cost 20,804    
Buildings & Improvements, Total Cost 27,530    
Total Cost 48,334    
Accumulated Depreciation 10,968    
Total Cost, Net of Accumulated Depreciation 37,366    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Hendersonville, TN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,249    
Buildings & Improvements, Initial Cost 9,068    
Improvements, Initial Cost 0    
Land, Total Cost 3,249    
Buildings & Improvements, Total Cost 9,123    
Total Cost 12,372    
Accumulated Depreciation 3,855    
Total Cost, Net of Accumulated Depreciation 8,517    
Encumbrances $ 3,270    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Chester, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 10,780    
Buildings & Improvements, Initial Cost 4,752    
Improvements, Initial Cost 0    
Land, Total Cost 10,780    
Buildings & Improvements, Total Cost 13,715    
Total Cost 24,495    
Accumulated Depreciation 3,951    
Total Cost, Net of Accumulated Depreciation 20,544    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Suwanee, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 13,479    
Buildings & Improvements, Initial Cost 23,923    
Improvements, Initial Cost 0    
Land, Total Cost 13,335    
Buildings & Improvements, Total Cost 33,029    
Total Cost 46,364    
Accumulated Depreciation 13,143    
Total Cost, Net of Accumulated Depreciation 33,221    
Encumbrances $ 24,011    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
West Allis, WI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,371    
Buildings & Improvements, Initial Cost 10,982    
Improvements, Initial Cost 0    
Land, Total Cost 1,703    
Buildings & Improvements, Total Cost 12,274    
Total Cost 13,977    
Accumulated Depreciation 4,941    
Total Cost, Net of Accumulated Depreciation 9,036    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
West Long Branch, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 14,131    
Buildings & Improvements, Initial Cost 51,982    
Improvements, Initial Cost 0    
Land, Total Cost 14,131    
Buildings & Improvements, Total Cost 60,972    
Total Cost 75,103    
Accumulated Depreciation 21,334    
Total Cost, Net of Accumulated Depreciation 53,769    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Mays Landing, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 49,033    
Buildings & Improvements, Initial Cost 107,230    
Improvements, Initial Cost 0    
Land, Total Cost 49,033    
Buildings & Improvements, Total Cost 116,497    
Total Cost 165,530    
Accumulated Depreciation 44,688    
Total Cost, Net of Accumulated Depreciation 120,842    
Encumbrances $ 59,259    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Toledo, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,316    
Buildings & Improvements, Initial Cost 3,961    
Improvements, Initial Cost 0    
Land, Total Cost 928    
Buildings & Improvements, Total Cost 3,143    
Total Cost 4,071    
Accumulated Depreciation 1,411    
Total Cost, Net of Accumulated Depreciation 2,660    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Mays Landing, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 36,224    
Buildings & Improvements, Initial Cost 56,949    
Improvements, Initial Cost 0    
Land, Total Cost 36,224    
Buildings & Improvements, Total Cost 62,995    
Total Cost 99,219    
Accumulated Depreciation 23,603    
Total Cost, Net of Accumulated Depreciation 75,616    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Horseheads, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 829    
Buildings & Improvements, Initial Cost 3,630    
Improvements, Initial Cost 0    
Land, Total Cost 6,061    
Buildings & Improvements, Total Cost 35,350    
Total Cost 41,411    
Accumulated Depreciation 7,039    
Total Cost, Net of Accumulated Depreciation 34,372    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2008    
West Seneca, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,929    
Buildings & Improvements, Initial Cost 12,926    
Improvements, Initial Cost 0    
Land, Total Cost 2,929    
Buildings & Improvements, Total Cost 13,193    
Total Cost 16,122    
Accumulated Depreciation 4,965    
Total Cost, Net of Accumulated Depreciation 11,157    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Amherst, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 0    
Buildings & Improvements, Initial Cost 28,331    
Improvements, Initial Cost 0    
Land, Total Cost 0    
Buildings & Improvements, Total Cost 20,559    
Total Cost 20,559    
Accumulated Depreciation 11,967    
Total Cost, Net of Accumulated Depreciation 8,592    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Ithaca, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 9,198    
Buildings & Improvements, Initial Cost 42,969    
Improvements, Initial Cost 0    
Land, Total Cost 8,138    
Buildings & Improvements, Total Cost 41,175    
Total Cost 49,313    
Accumulated Depreciation 16,438    
Total Cost, Net of Accumulated Depreciation 32,875    
Encumbrances $ 4,599    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Hamburg, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,565    
Buildings & Improvements, Initial Cost 9,238    
Improvements, Initial Cost 0    
Land, Total Cost 997    
Buildings & Improvements, Total Cost 7,255    
Total Cost 8,252    
Accumulated Depreciation 2,164    
Total Cost, Net of Accumulated Depreciation 6,088    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Hamburg, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 6,598    
Buildings & Improvements, Initial Cost 31,853    
Improvements, Initial Cost 0    
Land, Total Cost 6,598    
Buildings & Improvements, Total Cost 35,896    
Total Cost 42,494    
Accumulated Depreciation 13,264    
Total Cost, Net of Accumulated Depreciation 29,230    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Hamburg, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,152    
Buildings & Improvements, Initial Cost 22,075    
Improvements, Initial Cost 0    
Land, Total Cost 4,152    
Buildings & Improvements, Total Cost 24,292    
Total Cost 28,444    
Accumulated Depreciation 8,630    
Total Cost, Net of Accumulated Depreciation 19,814    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Olean, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 8,834    
Buildings & Improvements, Initial Cost 29,813    
Improvements, Initial Cost 0    
Land, Total Cost 8,071    
Buildings & Improvements, Total Cost 30,312    
Total Cost 38,383    
Accumulated Depreciation 12,093    
Total Cost, Net of Accumulated Depreciation 26,290    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Big Flats, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 22,229    
Buildings & Improvements, Initial Cost 52,579    
Improvements, Initial Cost 0    
Land, Total Cost 19,670    
Buildings & Improvements, Total Cost 57,783    
Total Cost 77,453    
Accumulated Depreciation 22,152    
Total Cost, Net of Accumulated Depreciation 55,301    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Williamsville, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 5,021    
Buildings & Improvements, Initial Cost 6,768    
Improvements, Initial Cost 0    
Land, Total Cost 5,021    
Buildings & Improvements, Total Cost 9,108    
Total Cost 14,129    
Accumulated Depreciation 4,086    
Total Cost, Net of Accumulated Depreciation 10,043    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Buffalo, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 6,010    
Buildings & Improvements, Initial Cost 19,044    
Improvements, Initial Cost 0    
Land, Total Cost 3,653    
Buildings & Improvements, Total Cost 13,894    
Total Cost 17,547    
Accumulated Depreciation 6,513    
Total Cost, Net of Accumulated Depreciation 11,034    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Lockport, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 9,253    
Buildings & Improvements, Initial Cost 23,829    
Improvements, Initial Cost 0    
Land, Total Cost 4,813    
Buildings & Improvements, Total Cost 18,289    
Total Cost 23,102    
Accumulated Depreciation 9,000    
Total Cost, Net of Accumulated Depreciation 14,102    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Buffalo, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,568    
Buildings & Improvements, Initial Cost 29,001    
Improvements, Initial Cost 0    
Land, Total Cost 3,620    
Buildings & Improvements, Total Cost 30,525    
Total Cost 34,145    
Accumulated Depreciation 11,268    
Total Cost, Net of Accumulated Depreciation 22,877    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Cheektowaga, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 15,471    
Buildings & Improvements, Initial Cost 25,600    
Improvements, Initial Cost 0    
Land, Total Cost 6,937    
Buildings & Improvements, Total Cost 17,897    
Total Cost 24,834    
Accumulated Depreciation 10,651    
Total Cost, Net of Accumulated Depreciation 14,183    
Encumbrances $ 1,053    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Gates, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 9,369    
Buildings & Improvements, Initial Cost 40,672    
Improvements, Initial Cost 0    
Land, Total Cost 9,369    
Buildings & Improvements, Total Cost 42,312    
Total Cost 51,681    
Accumulated Depreciation 16,275    
Total Cost, Net of Accumulated Depreciation 35,406    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Rome, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,565    
Buildings & Improvements, Initial Cost 5,078    
Improvements, Initial Cost 0    
Land, Total Cost 2,975    
Buildings & Improvements, Total Cost 7,223    
Total Cost 10,198    
Accumulated Depreciation 3,240    
Total Cost, Net of Accumulated Depreciation 6,958    
Encumbrances $ 205    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Niskayuna, NY [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 20,297    
Buildings & Improvements, Initial Cost 51,155    
Improvements, Initial Cost 0    
Land, Total Cost 20,297    
Buildings & Improvements, Total Cost 55,603    
Total Cost 75,900    
Accumulated Depreciation 20,254    
Total Cost, Net of Accumulated Depreciation 55,646    
Encumbrances $ 7,535    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2004    
Allentown, PA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 5,558    
Buildings & Improvements, Initial Cost 20,060    
Improvements, Initial Cost 0    
Land, Total Cost 5,343    
Buildings & Improvements, Total Cost 23,553    
Total Cost 28,896    
Accumulated Depreciation 9,285    
Total Cost, Net of Accumulated Depreciation 19,611    
Encumbrances $ 8,767    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Ft. Collins, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,129    
Buildings & Improvements, Initial Cost 2,054    
Improvements, Initial Cost 0    
Land, Total Cost 1,129    
Buildings & Improvements, Total Cost 4,585    
Total Cost 5,714    
Accumulated Depreciation 1,841    
Total Cost, Net of Accumulated Depreciation 3,873    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Hamilton, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 8,039    
Buildings & Improvements, Initial Cost 49,896    
Improvements, Initial Cost 0    
Land, Total Cost 11,774    
Buildings & Improvements, Total Cost 86,138    
Total Cost 97,912    
Accumulated Depreciation 31,935    
Total Cost, Net of Accumulated Depreciation 65,977    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
Lansing, MI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,598    
Buildings & Improvements, Initial Cost 6,999    
Improvements, Initial Cost 0    
Land, Total Cost 2,289    
Buildings & Improvements, Total Cost 17,175    
Total Cost 19,464    
Accumulated Depreciation 4,883    
Total Cost, Net of Accumulated Depreciation 14,581    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2003    
San Antonio, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,613    
Buildings & Improvements, Initial Cost 10,791    
Improvements, Initial Cost 0    
Land, Total Cost 6,168    
Buildings & Improvements, Total Cost 73,639    
Total Cost 79,807    
Accumulated Depreciation 16,375    
Total Cost, Net of Accumulated Depreciation 63,432    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
San Antonio, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,381    
Buildings & Improvements, Initial Cost 6,487    
Improvements, Initial Cost 0    
Land, Total Cost 2,381    
Buildings & Improvements, Total Cost 22,961    
Total Cost 25,342    
Accumulated Depreciation 6,778    
Total Cost, Net of Accumulated Depreciation 18,564    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Kyle, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,548    
Buildings & Improvements, Initial Cost 7,349    
Improvements, Initial Cost 0    
Land, Total Cost 12,678    
Buildings & Improvements, Total Cost 27,137    
Total Cost 39,815    
Accumulated Depreciation 3,252    
Total Cost, Net of Accumulated Depreciation 36,563    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2009    
Brandon, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 7,713    
Buildings & Improvements, Initial Cost 26,802    
Improvements, Initial Cost 0    
Land, Total Cost 7,713    
Buildings & Improvements, Total Cost 31,248    
Total Cost 38,961    
Accumulated Depreciation 4,410    
Total Cost, Net of Accumulated Depreciation 34,551    
Encumbrances $ 9,195    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2009    
Atlanta, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 14,078    
Buildings & Improvements, Initial Cost 41,050    
Improvements, Initial Cost 0    
Land, Total Cost 14,078    
Buildings & Improvements, Total Cost 42,654    
Total Cost 56,732    
Accumulated Depreciation 8,399    
Total Cost, Net of Accumulated Depreciation 48,333    
Encumbrances $ 42,596    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2009    
Marietta, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 8,425    
Buildings & Improvements, Initial Cost 27,737    
Improvements, Initial Cost 0    
Land, Total Cost 8,425    
Buildings & Improvements, Total Cost 28,538    
Total Cost 36,963    
Accumulated Depreciation 5,897    
Total Cost, Net of Accumulated Depreciation 31,066    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2009    
Maple Grove, MN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 8,917    
Buildings & Improvements, Initial Cost 23,954    
Improvements, Initial Cost 0    
Land, Total Cost 8,917    
Buildings & Improvements, Total Cost 25,663    
Total Cost 34,580    
Accumulated Depreciation 4,036    
Total Cost, Net of Accumulated Depreciation 30,544    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2011    
Charlotte, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 27,707    
Buildings & Improvements, Initial Cost 45,021    
Improvements, Initial Cost 0    
Land, Total Cost 27,707    
Buildings & Improvements, Total Cost 50,241    
Total Cost 77,948    
Accumulated Depreciation 7,543    
Total Cost, Net of Accumulated Depreciation 70,405    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2011    
Charlotte, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,733    
Buildings & Improvements, Initial Cost 5,424    
Improvements, Initial Cost 0    
Land, Total Cost 4,733    
Buildings & Improvements, Total Cost 6,623    
Total Cost 11,356    
Accumulated Depreciation 820    
Total Cost, Net of Accumulated Depreciation 10,536    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2011    
Colorado Springs, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 9,001    
Buildings & Improvements, Initial Cost 47,671    
Improvements, Initial Cost 0    
Land, Total Cost 9,001    
Buildings & Improvements, Total Cost 53,081    
Total Cost 62,082    
Accumulated Depreciation 5,253    
Total Cost, Net of Accumulated Depreciation 56,829    
Encumbrances $ 20,244    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2011    
Columbus, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 18,716    
Buildings & Improvements, Initial Cost 64,617    
Improvements, Initial Cost 0    
Land, Total Cost 20,666    
Buildings & Improvements, Total Cost 70,147    
Total Cost 90,813    
Accumulated Depreciation 9,570    
Total Cost, Net of Accumulated Depreciation 81,243    
Encumbrances $ 43,043    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2011    
Portland, OR [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 20,208    
Buildings & Improvements, Initial Cost 50,738    
Improvements, Initial Cost 0    
Land, Total Cost 20,208    
Buildings & Improvements, Total Cost 51,860    
Total Cost 72,068    
Accumulated Depreciation 6,735    
Total Cost, Net of Accumulated Depreciation 65,333    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012    
Phoenix, AZ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 15,090    
Buildings & Improvements, Initial Cost 36,880    
Improvements, Initial Cost 0    
Land, Total Cost 15,090    
Buildings & Improvements, Total Cost 38,698    
Total Cost 53,788    
Accumulated Depreciation 5,811    
Total Cost, Net of Accumulated Depreciation 47,977    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012    
Charlotte, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,600    
Buildings & Improvements, Initial Cost 30,392    
Improvements, Initial Cost 0    
Land, Total Cost 5,231    
Buildings & Improvements, Total Cost 35,059    
Total Cost 40,290    
Accumulated Depreciation 2,841    
Total Cost, Net of Accumulated Depreciation 37,449    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Tucson, AZ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 19,298    
Buildings & Improvements, Initial Cost 94,117    
Improvements, Initial Cost 0    
Land, Total Cost 19,088    
Buildings & Improvements, Total Cost 97,191    
Total Cost 116,279    
Accumulated Depreciation 11,912    
Total Cost, Net of Accumulated Depreciation 104,367    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012    
Phoenix, AZ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 34,201    
Buildings & Improvements, Initial Cost 88,475    
Improvements, Initial Cost 0    
Land, Total Cost 34,201    
Buildings & Improvements, Total Cost 97,658    
Total Cost 131,859    
Accumulated Depreciation 12,256    
Total Cost, Net of Accumulated Depreciation 119,603    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012    
Independence, MO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 5,011    
Buildings & Improvements, Initial Cost 45,752    
Improvements, Initial Cost 0    
Land, Total Cost 5,011    
Buildings & Improvements, Total Cost 47,345    
Total Cost 52,356    
Accumulated Depreciation 5,411    
Total Cost, Net of Accumulated Depreciation 46,945    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012    
Arnold, MO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 892    
Buildings & Improvements, Initial Cost 5,283    
Improvements, Initial Cost 0    
Land, Total Cost 228    
Buildings & Improvements, Total Cost 3,287    
Total Cost 3,515    
Accumulated Depreciation 833    
Total Cost, Net of Accumulated Depreciation 2,682    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012    
Charlotte, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 11,224    
Buildings & Improvements, Initial Cost 82,124    
Improvements, Initial Cost 0    
Land, Total Cost 11,224    
Buildings & Improvements, Total Cost 89,058    
Total Cost 100,282    
Accumulated Depreciation 10,220    
Total Cost, Net of Accumulated Depreciation 90,062    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012    
Raleigh, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,317    
Buildings & Improvements, Initial Cost 35,411    
Improvements, Initial Cost 0    
Land, Total Cost 3,317    
Buildings & Improvements, Total Cost 37,268    
Total Cost 40,585    
Accumulated Depreciation 4,182    
Total Cost, Net of Accumulated Depreciation 36,403    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012    
Oakland, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,361    
Buildings & Improvements, Initial Cost 33,538    
Improvements, Initial Cost 0    
Land, Total Cost 4,361    
Buildings & Improvements, Total Cost 33,538    
Total Cost 37,899    
Accumulated Depreciation 3,087    
Total Cost, Net of Accumulated Depreciation 34,812    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Highland Village, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 5,545    
Buildings & Improvements, Initial Cost 28,365    
Improvements, Initial Cost 0    
Land, Total Cost 5,545    
Buildings & Improvements, Total Cost 30,253    
Total Cost 35,798    
Accumulated Depreciation 3,042    
Total Cost, Net of Accumulated Depreciation 32,756    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Tampa, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,124    
Buildings & Improvements, Initial Cost 20,082    
Improvements, Initial Cost 0    
Land, Total Cost 4,124    
Buildings & Improvements, Total Cost 21,284    
Total Cost 25,408    
Accumulated Depreciation 2,132    
Total Cost, Net of Accumulated Depreciation 23,276    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Douglasville, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 6,812    
Buildings & Improvements, Initial Cost 24,645    
Improvements, Initial Cost 0    
Land, Total Cost 6,812    
Buildings & Improvements, Total Cost 25,010    
Total Cost 31,822    
Accumulated Depreciation 2,362    
Total Cost, Net of Accumulated Depreciation 29,460    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Midlothian, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,507    
Buildings & Improvements, Initial Cost 9,229    
Improvements, Initial Cost 0    
Land, Total Cost 3,507    
Buildings & Improvements, Total Cost 9,254    
Total Cost 12,761    
Accumulated Depreciation 848    
Total Cost, Net of Accumulated Depreciation 11,913    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Midlothian, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,754    
Buildings & Improvements, Initial Cost 20,273    
Improvements, Initial Cost 0    
Land, Total Cost 4,754    
Buildings & Improvements, Total Cost 25,583    
Total Cost 30,337    
Accumulated Depreciation 2,235    
Total Cost, Net of Accumulated Depreciation 28,102    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Newport News, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 963    
Buildings & Improvements, Initial Cost 7,120    
Improvements, Initial Cost 0    
Land, Total Cost 963    
Buildings & Improvements, Total Cost 7,122    
Total Cost 8,085    
Accumulated Depreciation 745    
Total Cost, Net of Accumulated Depreciation 7,340    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Cumming, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 6,851    
Buildings & Improvements, Initial Cost 49,659    
Improvements, Initial Cost 0    
Land, Total Cost 6,851    
Buildings & Improvements, Total Cost 49,811    
Total Cost 56,662    
Accumulated Depreciation 4,655    
Total Cost, Net of Accumulated Depreciation 52,007    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Winter Garden, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 38,945    
Buildings & Improvements, Initial Cost 130,382    
Improvements, Initial Cost 0    
Land, Total Cost 38,945    
Buildings & Improvements, Total Cost 132,894    
Total Cost 171,839    
Accumulated Depreciation 11,689    
Total Cost, Net of Accumulated Depreciation 160,150    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Mason, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,032    
Buildings & Improvements, Initial Cost 23,788    
Improvements, Initial Cost 0    
Land, Total Cost 2,032    
Buildings & Improvements, Total Cost 24,207    
Total Cost 26,239    
Accumulated Depreciation 1,364    
Total Cost, Net of Accumulated Depreciation 24,875    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014    
Roseville, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 23,574    
Buildings & Improvements, Initial Cost 67,031    
Improvements, Initial Cost 0    
Land, Total Cost 23,574    
Buildings & Improvements, Total Cost 67,331    
Total Cost 90,905    
Accumulated Depreciation 3,592    
Total Cost, Net of Accumulated Depreciation 87,313    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014    
Chicago, IL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 22,642    
Buildings & Improvements, Initial Cost 82,754    
Improvements, Initial Cost 0    
Land, Total Cost 22,642    
Buildings & Improvements, Total Cost 82,878    
Total Cost 105,520    
Accumulated Depreciation 4,024    
Total Cost, Net of Accumulated Depreciation 101,496    
Encumbrances $ 50,500    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014    
Jenkintown, PA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,705    
Buildings & Improvements, Initial Cost 21,918    
Improvements, Initial Cost 0    
Land, Total Cost 4,705    
Buildings & Improvements, Total Cost 24,833    
Total Cost 29,538    
Accumulated Depreciation 1,160    
Total Cost, Net of Accumulated Depreciation 28,378    
Encumbrances $ 0    
Depreciable Lives (Years) 30 years    
Date of Construction (C) Acquisition (A) 2014    
Buena Park, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 27,269    
Buildings & Improvements, Initial Cost 21,427    
Improvements, Initial Cost 0    
Land, Total Cost 27,269    
Buildings & Improvements, Total Cost 21,427    
Total Cost 48,696    
Accumulated Depreciation 610    
Total Cost, Net of Accumulated Depreciation 48,086    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2015    
Orlando, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 9,169    
Buildings & Improvements, Initial Cost 23,473    
Improvements, Initial Cost 0    
Land, Total Cost 9,169    
Buildings & Improvements, Total Cost 23,473    
Total Cost 32,642    
Accumulated Depreciation 593    
Total Cost, Net of Accumulated Depreciation 32,049    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2015    
Houston, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 15,179    
Buildings & Improvements, Initial Cost 60,407    
Improvements, Initial Cost 0    
Land, Total Cost 15,179    
Buildings & Improvements, Total Cost 60,407    
Total Cost 75,586    
Accumulated Depreciation 1,310    
Total Cost, Net of Accumulated Depreciation 74,276    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2015    
Orlando, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 23,082    
Buildings & Improvements, Initial Cost 44,360    
Improvements, Initial Cost 0    
Land, Total Cost 23,082    
Buildings & Improvements, Total Cost 44,360    
Total Cost 67,442    
Accumulated Depreciation 0    
Total Cost, Net of Accumulated Depreciation 67,442    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2015    
Cincinnati, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 19,572    
Buildings & Improvements, Initial Cost 54,495    
Improvements, Initial Cost 0    
Land, Total Cost 19,572    
Buildings & Improvements, Total Cost 49,444    
Total Cost 69,016    
Accumulated Depreciation 2,061    
Total Cost, Net of Accumulated Depreciation 66,955    
Encumbrances $ 62,575    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014    
Dumfries, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 12,911    
Buildings & Improvements, Initial Cost 10,092    
Improvements, Initial Cost 0    
Land, Total Cost 12,911    
Buildings & Improvements, Total Cost 10,096    
Total Cost 23,007    
Accumulated Depreciation 407    
Total Cost, Net of Accumulated Depreciation 22,600    
Encumbrances $ 12,120    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014    
Hamilton, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,805    
Buildings & Improvements, Initial Cost 8,502    
Improvements, Initial Cost 0    
Land, Total Cost 1,805    
Buildings & Improvements, Total Cost 8,502    
Total Cost 10,307    
Accumulated Depreciation 367    
Total Cost, Net of Accumulated Depreciation 9,940    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014    
Mechanicsburg, PA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 12,574    
Buildings & Improvements, Initial Cost 57,283    
Improvements, Initial Cost 0    
Land, Total Cost 12,574    
Buildings & Improvements, Total Cost 57,538    
Total Cost 70,112    
Accumulated Depreciation 2,538    
Total Cost, Net of Accumulated Depreciation 67,574    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014    
Vancouver, WA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,169    
Buildings & Improvements, Initial Cost 25,769    
Improvements, Initial Cost 0    
Land, Total Cost 4,169    
Buildings & Improvements, Total Cost 25,806    
Total Cost 29,975    
Accumulated Depreciation 1,196    
Total Cost, Net of Accumulated Depreciation 28,779    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014    
Vista, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 12,677    
Buildings & Improvements, Initial Cost 47,145    
Improvements, Initial Cost 0    
Land, Total Cost 12,677    
Buildings & Improvements, Total Cost 48,411    
Total Cost 61,088    
Accumulated Depreciation 2,276    
Total Cost, Net of Accumulated Depreciation 58,812    
Encumbrances $ 33,200    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014    
Fontana, CA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 23,861    
Buildings & Improvements, Initial Cost 57,931    
Improvements, Initial Cost 0    
Land, Total Cost 23,861    
Buildings & Improvements, Total Cost 58,499    
Total Cost 82,360    
Accumulated Depreciation 2,586    
Total Cost, Net of Accumulated Depreciation 79,774    
Encumbrances $ 57,894    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2014    
Grandville, MI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 6,483    
Buildings & Improvements, Initial Cost 18,933    
Improvements, Initial Cost 0    
Land, Total Cost 6,204    
Buildings & Improvements, Total Cost 19,089    
Total Cost 25,293    
Accumulated Depreciation 1,921    
Total Cost, Net of Accumulated Depreciation 23,372    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Aurora, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,816    
Buildings & Improvements, Initial Cost 20,798    
Improvements, Initial Cost 0    
Land, Total Cost 4,816    
Buildings & Improvements, Total Cost 21,613    
Total Cost 26,429    
Accumulated Depreciation 1,669    
Total Cost, Net of Accumulated Depreciation 24,760    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Irving, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 17,701    
Buildings & Improvements, Initial Cost 10,571    
Improvements, Initial Cost 0    
Land, Total Cost 17,701    
Buildings & Improvements, Total Cost 11,674    
Total Cost 29,375    
Accumulated Depreciation 1,114    
Total Cost, Net of Accumulated Depreciation 28,261    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Brentwood, TN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 6,101    
Buildings & Improvements, Initial Cost 25,956    
Improvements, Initial Cost 0    
Land, Total Cost 6,101    
Buildings & Improvements, Total Cost 27,225    
Total Cost 33,326    
Accumulated Depreciation 2,163    
Total Cost, Net of Accumulated Depreciation 31,163    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
St. Paul, MN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 7,150    
Buildings & Improvements, Initial Cost 21,558    
Improvements, Initial Cost 0    
Land, Total Cost 7,150    
Buildings & Improvements, Total Cost 22,998    
Total Cost 30,148    
Accumulated Depreciation 2,886    
Total Cost, Net of Accumulated Depreciation 27,262    
Encumbrances $ 0    
Depreciable Lives (Years) 20 years    
Date of Construction (C) Acquisition (A) 2013    
Columbia, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,950    
Buildings & Improvements, Initial Cost 29,065    
Improvements, Initial Cost 0    
Land, Total Cost 2,950    
Buildings & Improvements, Total Cost 39,031    
Total Cost 41,981    
Accumulated Depreciation 3,048    
Total Cost, Net of Accumulated Depreciation 38,933    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Merriam, KS [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 7,153    
Buildings & Improvements, Initial Cost 41,811    
Improvements, Initial Cost 0    
Land, Total Cost 7,153    
Buildings & Improvements, Total Cost 42,794    
Total Cost 49,947    
Accumulated Depreciation 3,522    
Total Cost, Net of Accumulated Depreciation 46,425    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Plant City, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,304    
Buildings & Improvements, Initial Cost 24,875    
Improvements, Initial Cost 0    
Land, Total Cost 4,304    
Buildings & Improvements, Total Cost 29,207    
Total Cost 33,511    
Accumulated Depreciation 2,488    
Total Cost, Net of Accumulated Depreciation 31,023    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
North Canton, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 9,889    
Buildings & Improvements, Initial Cost 46,335    
Improvements, Initial Cost 0    
Land, Total Cost 9,889    
Buildings & Improvements, Total Cost 47,908    
Total Cost 57,797    
Accumulated Depreciation 4,085    
Total Cost, Net of Accumulated Depreciation 53,712    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
North Olmsted, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 24,352    
Buildings & Improvements, Initial Cost 61,449    
Improvements, Initial Cost 0    
Land, Total Cost 24,352    
Buildings & Improvements, Total Cost 63,143    
Total Cost 87,495    
Accumulated Depreciation 7,703    
Total Cost, Net of Accumulated Depreciation 79,792    
Encumbrances $ 0    
Depreciable Lives (Years) 20 years    
Date of Construction (C) Acquisition (A) 2013    
Parker, CO [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 9,089    
Buildings & Improvements, Initial Cost 35,697    
Improvements, Initial Cost 0    
Land, Total Cost 9,089    
Buildings & Improvements, Total Cost 36,553    
Total Cost 45,642    
Accumulated Depreciation 2,790    
Total Cost, Net of Accumulated Depreciation 42,852    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Schaumburg, IL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 27,466    
Buildings & Improvements, Initial Cost 84,679    
Improvements, Initial Cost 0    
Land, Total Cost 27,466    
Buildings & Improvements, Total Cost 93,030    
Total Cost 120,496    
Accumulated Depreciation 7,002    
Total Cost, Net of Accumulated Depreciation 113,494    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Naples, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 10,172    
Buildings & Improvements, Initial Cost 39,342    
Improvements, Initial Cost 0    
Land, Total Cost 10,172    
Buildings & Improvements, Total Cost 39,616    
Total Cost 49,788    
Accumulated Depreciation 3,140    
Total Cost, Net of Accumulated Depreciation 46,648    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Fairfax, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 15,681    
Buildings & Improvements, Initial Cost 68,536    
Improvements, Initial Cost 0    
Land, Total Cost 15,681    
Buildings & Improvements, Total Cost 69,260    
Total Cost 84,941    
Accumulated Depreciation 5,216    
Total Cost, Net of Accumulated Depreciation 79,725    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Framingham, MA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 75,675    
Buildings & Improvements, Initial Cost 191,594    
Improvements, Initial Cost 0    
Land, Total Cost 75,675    
Buildings & Improvements, Total Cost 203,151    
Total Cost 278,826    
Accumulated Depreciation 15,256    
Total Cost, Net of Accumulated Depreciation 263,570    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Lithonia, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,477    
Buildings & Improvements, Initial Cost 3,476    
Improvements, Initial Cost 0    
Land, Total Cost 2,292    
Buildings & Improvements, Total Cost 3,347    
Total Cost 5,639    
Accumulated Depreciation 278    
Total Cost, Net of Accumulated Depreciation 5,361    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Lithonia, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,546    
Buildings & Improvements, Initial Cost 5,951    
Improvements, Initial Cost 0    
Land, Total Cost 4,014    
Buildings & Improvements, Total Cost 5,324    
Total Cost 9,338    
Accumulated Depreciation 536    
Total Cost, Net of Accumulated Depreciation 8,802    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Mesquite, TX [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 7,051    
Buildings & Improvements, Initial Cost 25,531    
Improvements, Initial Cost 0    
Land, Total Cost 7,051    
Buildings & Improvements, Total Cost 26,280    
Total Cost 33,331    
Accumulated Depreciation 2,113    
Total Cost, Net of Accumulated Depreciation 31,218    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Plainville, CT [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 17,528    
Buildings & Improvements, Initial Cost 59,777    
Improvements, Initial Cost 0    
Land, Total Cost 17,528    
Buildings & Improvements, Total Cost 65,841    
Total Cost 83,369    
Accumulated Depreciation 5,204    
Total Cost, Net of Accumulated Depreciation 78,165    
Encumbrances $ 46,525    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Coon Rapids, MN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 25,692    
Buildings & Improvements, Initial Cost 106,300    
Improvements, Initial Cost 0    
Land, Total Cost 25,692    
Buildings & Improvements, Total Cost 108,918    
Total Cost 134,610    
Accumulated Depreciation 9,058    
Total Cost, Net of Accumulated Depreciation 125,552    
Encumbrances $ 57,512    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2013    
Brookfield, WI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,791    
Buildings & Improvements, Initial Cost 16,023    
Improvements, Initial Cost 0    
Land, Total Cost 4,791    
Buildings & Improvements, Total Cost 18,040    
Total Cost 22,831    
Accumulated Depreciation 2,828    
Total Cost, Net of Accumulated Depreciation 20,003    
Encumbrances $ 5,747    
Depreciable Lives (Years) 20 years    
Date of Construction (C) Acquisition (A) 2013    
Brown Deer, WI [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 8,465    
Buildings & Improvements, Initial Cost 32,652    
Improvements, Initial Cost 0    
Land, Total Cost 8,465    
Buildings & Improvements, Total Cost 35,334    
Total Cost 43,799    
Accumulated Depreciation 4,405    
Total Cost, Net of Accumulated Depreciation 39,394    
Encumbrances $ 11,861    
Depreciable Lives (Years) 20 years    
Date of Construction (C) Acquisition (A) 2013    
Tinley Park, IL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 9,120    
Buildings & Improvements, Initial Cost 37,496    
Improvements, Initial Cost 0    
Land, Total Cost 9,120    
Buildings & Improvements, Total Cost 50,438    
Total Cost 59,558    
Accumulated Depreciation 7,066    
Total Cost, Net of Accumulated Depreciation 52,492    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2012    
Snellville, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 10,185    
Buildings & Improvements, Initial Cost 51,815    
Improvements, Initial Cost 0    
Land, Total Cost 10,342    
Buildings & Improvements, Total Cost 57,003    
Total Cost 67,345    
Accumulated Depreciation 16,365    
Total Cost, Net of Accumulated Depreciation 50,980    
Encumbrances $ 20,856    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Union, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 7,650    
Buildings & Improvements, Initial Cost 15,689    
Improvements, Initial Cost 0    
Land, Total Cost 7,650    
Buildings & Improvements, Total Cost 24,964    
Total Cost 32,614    
Accumulated Depreciation 6,571    
Total Cost, Net of Accumulated Depreciation 26,043    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Taylors, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,732    
Buildings & Improvements, Initial Cost 4,506    
Improvements, Initial Cost 0    
Land, Total Cost 351    
Buildings & Improvements, Total Cost 1,941    
Total Cost 2,292    
Accumulated Depreciation 1,219    
Total Cost, Net of Accumulated Depreciation 1,073    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Bradenton, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 10,766    
Buildings & Improvements, Initial Cost 31,203    
Improvements, Initial Cost 0    
Land, Total Cost 8,880    
Buildings & Improvements, Total Cost 34,612    
Total Cost 43,492    
Accumulated Depreciation 9,575    
Total Cost, Net of Accumulated Depreciation 33,917    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Tampa, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,699    
Buildings & Improvements, Initial Cost 3,338    
Improvements, Initial Cost 0    
Land, Total Cost 1,429    
Buildings & Improvements, Total Cost 3,015    
Total Cost 4,444    
Accumulated Depreciation 961    
Total Cost, Net of Accumulated Depreciation 3,483    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Tequesta, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,108    
Buildings & Improvements, Initial Cost 7,400    
Improvements, Initial Cost 0    
Land, Total Cost 1,690    
Buildings & Improvements, Total Cost 12,298    
Total Cost 13,988    
Accumulated Depreciation 2,778    
Total Cost, Net of Accumulated Depreciation 11,210    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Roswell, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 6,566    
Buildings & Improvements, Initial Cost 15,005    
Improvements, Initial Cost 0    
Land, Total Cost 7,894    
Buildings & Improvements, Total Cost 25,905    
Total Cost 33,799    
Accumulated Depreciation 8,943    
Total Cost, Net of Accumulated Depreciation 24,856    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Greensboro, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,153    
Buildings & Improvements, Initial Cost 9,455    
Improvements, Initial Cost 0    
Land, Total Cost 3,153    
Buildings & Improvements, Total Cost 10,076    
Total Cost 13,229    
Accumulated Depreciation 2,897    
Total Cost, Net of Accumulated Depreciation 10,332    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
East Hanover, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,847    
Buildings & Improvements, Initial Cost 23,798    
Improvements, Initial Cost 0    
Land, Total Cost 3,847    
Buildings & Improvements, Total Cost 24,907    
Total Cost 28,754    
Accumulated Depreciation 6,979    
Total Cost, Net of Accumulated Depreciation 21,775    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Lexington, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 1,795    
Buildings & Improvements, Initial Cost 9,933    
Improvements, Initial Cost 0    
Land, Total Cost 1,795    
Buildings & Improvements, Total Cost 10,018    
Total Cost 11,813    
Accumulated Depreciation 2,831    
Total Cost, Net of Accumulated Depreciation 8,982    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Newport News, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 10,064    
Buildings & Improvements, Initial Cost 21,272    
Improvements, Initial Cost 0    
Land, Total Cost 4,026    
Buildings & Improvements, Total Cost 11,486    
Total Cost 15,512    
Accumulated Depreciation 4,985    
Total Cost, Net of Accumulated Depreciation 10,527    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Richmond, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 11,879    
Buildings & Improvements, Initial Cost 34,736    
Improvements, Initial Cost 0    
Land, Total Cost 11,879    
Buildings & Improvements, Total Cost 35,957    
Total Cost 47,836    
Accumulated Depreciation 10,508    
Total Cost, Net of Accumulated Depreciation 37,328    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Springfield, VA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 17,016    
Buildings & Improvements, Initial Cost 40,038    
Improvements, Initial Cost 0    
Land, Total Cost 17,016    
Buildings & Improvements, Total Cost 41,771    
Total Cost 58,787    
Accumulated Depreciation 12,376    
Total Cost, Net of Accumulated Depreciation 46,411    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Windsor Court, CT [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 6,090    
Buildings & Improvements, Initial Cost 11,745    
Improvements, Initial Cost 0    
Land, Total Cost 6,090    
Buildings & Improvements, Total Cost 12,252    
Total Cost 18,342    
Accumulated Depreciation 3,412    
Total Cost, Net of Accumulated Depreciation 14,930    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Valrico, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 3,282    
Buildings & Improvements, Initial Cost 12,190    
Improvements, Initial Cost 0    
Land, Total Cost 2,466    
Buildings & Improvements, Total Cost 16,299    
Total Cost 18,765    
Accumulated Depreciation 4,703    
Total Cost, Net of Accumulated Depreciation 14,062    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Bowie, MD [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 5,739    
Buildings & Improvements, Initial Cost 14,301    
Improvements, Initial Cost 0    
Land, Total Cost 5,744    
Buildings & Improvements, Total Cost 14,415    
Total Cost 20,159    
Accumulated Depreciation 4,171    
Total Cost, Net of Accumulated Depreciation 15,988    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Cornelius, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 4,382    
Buildings & Improvements, Initial Cost 15,184    
Improvements, Initial Cost 0    
Land, Total Cost 4,382    
Buildings & Improvements, Total Cost 20,492    
Total Cost 24,874    
Accumulated Depreciation 6,646    
Total Cost, Net of Accumulated Depreciation 18,228    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Raleigh, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,728    
Buildings & Improvements, Initial Cost 10,665    
Improvements, Initial Cost 0    
Land, Total Cost 413    
Buildings & Improvements, Total Cost 4,062    
Total Cost 4,475    
Accumulated Depreciation 2,885    
Total Cost, Net of Accumulated Depreciation 1,590    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Edgewater, NJ [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 7,714    
Buildings & Improvements, Initial Cost 30,473    
Improvements, Initial Cost 0    
Land, Total Cost 7,714    
Buildings & Improvements, Total Cost 31,020    
Total Cost 38,734    
Accumulated Depreciation 8,805    
Total Cost, Net of Accumulated Depreciation 29,929    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Plantation, FL [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 21,729    
Buildings & Improvements, Initial Cost 37,331    
Improvements, Initial Cost 0    
Land, Total Cost 22,112    
Buildings & Improvements, Total Cost 95,030    
Total Cost 117,142    
Accumulated Depreciation 28,545    
Total Cost, Net of Accumulated Depreciation 88,597    
Encumbrances $ 45,055    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Sylvania, GA [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 431    
Buildings & Improvements, Initial Cost 3,774    
Improvements, Initial Cost 0    
Land, Total Cost 431    
Buildings & Improvements, Total Cost 3,774    
Total Cost 4,205    
Accumulated Depreciation 1,111    
Total Cost, Net of Accumulated Depreciation 3,094    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Winston Salem, NC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 7,156    
Buildings & Improvements, Initial Cost 15,010    
Improvements, Initial Cost 0    
Land, Total Cost 7,156    
Buildings & Improvements, Total Cost 15,010    
Total Cost 22,166    
Accumulated Depreciation 4,404    
Total Cost, Net of Accumulated Depreciation 17,762    
Encumbrances $ 2,259    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Alliance, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 812    
Buildings & Improvements, Initial Cost 16,244    
Improvements, Initial Cost 0    
Land, Total Cost 812    
Buildings & Improvements, Total Cost 16,244    
Total Cost 17,056    
Accumulated Depreciation 4,749    
Total Cost, Net of Accumulated Depreciation 12,307    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Cincinnati, OH [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 2,805    
Buildings & Improvements, Initial Cost 5,028    
Improvements, Initial Cost 0    
Land, Total Cost 2,805    
Buildings & Improvements, Total Cost 5,028    
Total Cost 7,833    
Accumulated Depreciation 1,446    
Total Cost, Net of Accumulated Depreciation 6,387    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Greenville, SC [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 5,659    
Buildings & Improvements, Initial Cost 14,411    
Improvements, Initial Cost 0    
Land, Total Cost 5,659    
Buildings & Improvements, Total Cost 14,411    
Total Cost 20,070    
Accumulated Depreciation 4,239    
Total Cost, Net of Accumulated Depreciation 15,831    
Encumbrances $ 2,498    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Evansville, IN [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 8,964    
Buildings & Improvements, Initial Cost 18,764    
Improvements, Initial Cost 0    
Land, Total Cost 8,964    
Buildings & Improvements, Total Cost 18,783    
Total Cost 27,747    
Accumulated Depreciation 5,472    
Total Cost, Net of Accumulated Depreciation 22,275    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Date of Construction (C) Acquisition (A) 2007    
Portfolio Balance (DDR) -unencumbered [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 100,289    
Buildings & Improvements, Initial Cost 125,507    
Improvements, Initial Cost 0    
Land, Total Cost 100,289    
Buildings & Improvements, Total Cost 125,507    
Total Cost 225,796    
Accumulated Depreciation 399    
Total Cost, Net of Accumulated Depreciation 225,397    
Encumbrances $ 0    
Depreciable Lives (Years) 31 years 6 months    
Portfolio Balance (DDR) -encumbered [Member]      
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]      
Land, Initial Cost $ 14,549    
Buildings & Improvements, Initial Cost 193,424    
Improvements, Initial Cost 0    
Land, Total Cost 14,549    
Buildings & Improvements, Total Cost 193,424    
Total Cost 207,973    
Accumulated Depreciation 93,494    
Total Cost, Net of Accumulated Depreciation 114,479    
Encumbrances $ 27,454    
Depreciable Lives (Years) 31 years 6 months