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Schedule III Combined Real Estate and Accumulated Depreciation (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrance $ 37,777      
Initial Cost to Company, Land 938,241      
Initial Cost to Company, Building, Equipment and Improvements 3,667,020      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 725,062      
Gross Amount at Which Carried at Close of Period, Land 951,813      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,378,510      
Gross Amount at Which Carried at Close of Period, Total 5,330,323 $ 4,749,473 $ 4,398,939 $ 4,321,410
Accumulated Depreciation 873,178 $ 756,333 $ 704,681 $ 624,314
Construction in Progress [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 18,647      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 18,647      
Gross Amount at Which Carried at Close of Period, Total $ 18,647      
Date of Construction 2020      
Charleston [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST SC      
Initial Cost to Company, Land $ 416      
Initial Cost to Company, Building, Equipment and Improvements 1,516      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,473      
Gross Amount at Which Carried at Close of Period, Land 416      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,989      
Gross Amount at Which Carried at Close of Period, Total 4,405      
Accumulated Depreciation $ 2,000      
Date of Construction 1985      
Date Acquired Jun. 26, 1995      
Charleston [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charleston [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Lakeland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 397      
Initial Cost to Company, Building, Equipment and Improvements 1,424      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,761      
Gross Amount at Which Carried at Close of Period, Land 397      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,185      
Gross Amount at Which Carried at Close of Period, Total 3,582      
Accumulated Depreciation $ 1,625      
Date of Construction 1985      
Date Acquired Jun. 26, 1995      
Lakeland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Lakeland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Charlotte [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 308      
Initial Cost to Company, Building, Equipment and Improvements 1,102      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,686      
Gross Amount at Which Carried at Close of Period, Land 747      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,349      
Gross Amount at Which Carried at Close of Period, Total 5,096      
Accumulated Depreciation $ 1,705      
Date of Construction 1986      
Date Acquired Jun. 26, 1995      
Charlotte [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charlotte [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Youngstown [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 239      
Initial Cost to Company, Building, Equipment and Improvements 1,110      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,634      
Gross Amount at Which Carried at Close of Period, Land 239      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,744      
Gross Amount at Which Carried at Close of Period, Total 3,983      
Accumulated Depreciation $ 1,680      
Date of Construction 1980      
Date Acquired Jun. 26, 1995      
Youngstown [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Youngstown [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cleveland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 701      
Initial Cost to Company, Building, Equipment and Improvements 1,659      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,838      
Gross Amount at Which Carried at Close of Period, Land 1,036      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,162      
Gross Amount at Which Carried at Close of Period, Total 6,198      
Accumulated Depreciation $ 1,934      
Date of Construction 1987/15      
Date Acquired Jun. 26, 1995      
Cleveland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cleveland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Pt. St. Lucie [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 395      
Initial Cost to Company, Building, Equipment and Improvements 1,501      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,499      
Gross Amount at Which Carried at Close of Period, Land 779      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,616      
Gross Amount at Which Carried at Close of Period, Total 5,395      
Accumulated Depreciation $ 1,543      
Date of Construction 1985/2019      
Date Acquired Jun. 26, 1995      
Pt. St. Lucie [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Pt. St. Lucie [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Orlando - Deltona [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 483      
Initial Cost to Company, Building, Equipment and Improvements 1,752      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,472      
Gross Amount at Which Carried at Close of Period, Land 483      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,224      
Gross Amount at Which Carried at Close of Period, Total 4,707      
Accumulated Depreciation $ 2,230      
Date of Construction 1984      
Date Acquired Jun. 26, 1995      
Orlando - Deltona [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Orlando - Deltona [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
NY Metro-Middletown [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 224      
Initial Cost to Company, Building, Equipment and Improvements 808      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,545      
Gross Amount at Which Carried at Close of Period, Land 224      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,353      
Gross Amount at Which Carried at Close of Period, Total 5,577      
Accumulated Depreciation $ 1,404      
Date of Construction 1988/17      
Date Acquired Jun. 26, 1995      
NY Metro-Middletown [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
NY Metro-Middletown [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Buffalo [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 423      
Initial Cost to Company, Building, Equipment and Improvements 1,531      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,159      
Gross Amount at Which Carried at Close of Period, Land 497      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,616      
Gross Amount at Which Carried at Close of Period, Total 6,113      
Accumulated Depreciation $ 2,501      
Date of Construction 1981      
Date Acquired Jun. 26, 1995      
Buffalo [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Buffalo [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Rochester [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 395      
Initial Cost to Company, Building, Equipment and Improvements 1,404      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,460      
Gross Amount at Which Carried at Close of Period, Land 395      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,864      
Gross Amount at Which Carried at Close of Period, Total 5,259      
Accumulated Depreciation $ 1,062      
Date of Construction 1981      
Date Acquired Jun. 26, 1995      
Rochester [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Rochester [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Jacksonville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 152      
Initial Cost to Company, Building, Equipment and Improvements 728      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,947      
Gross Amount at Which Carried at Close of Period, Land 687      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,140      
Gross Amount at Which Carried at Close of Period, Total 4,827      
Accumulated Depreciation $ 1,488      
Date of Construction 1985      
Date Acquired Jun. 26, 1995      
Jacksonville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Jacksonville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 363      
Initial Cost to Company, Building, Equipment and Improvements 1,679      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 935      
Gross Amount at Which Carried at Close of Period, Land 363      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,614      
Gross Amount at Which Carried at Close of Period, Total 2,977      
Accumulated Depreciation $ 1,549      
Date of Construction 1980      
Date Acquired Jun. 26, 1995      
Boston [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Rochester [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 230      
Initial Cost to Company, Building, Equipment and Improvements 847      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,345      
Gross Amount at Which Carried at Close of Period, Land 234      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,188      
Gross Amount at Which Carried at Close of Period, Total 3,422      
Accumulated Depreciation $ 1,197      
Date of Construction 1980      
Date Acquired Jun. 26, 1995      
Rochester [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Rochester [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 680      
Initial Cost to Company, Building, Equipment and Improvements 1,616      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 952      
Gross Amount at Which Carried at Close of Period, Land 680      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,568      
Gross Amount at Which Carried at Close of Period, Total 3,248      
Accumulated Depreciation $ 1,468      
Date of Construction 1986      
Date Acquired Jun. 26, 1995      
Boston [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Savannah [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 463      
Initial Cost to Company, Building, Equipment and Improvements 1,684      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,996      
Gross Amount at Which Carried at Close of Period, Land 1,445      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,698      
Gross Amount at Which Carried at Close of Period, Total 7,143      
Accumulated Depreciation $ 3,008      
Date of Construction 1981      
Date Acquired Jun. 26, 1995      
Savannah [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Savannah [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Raleigh-Durham [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 649      
Initial Cost to Company, Building, Equipment and Improvements 2,329      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,657      
Gross Amount at Which Carried at Close of Period, Land 649      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,986      
Gross Amount at Which Carried at Close of Period, Total 4,635      
Accumulated Depreciation $ 2,194      
Date of Construction 1985      
Date Acquired Jun. 26, 1995      
Raleigh-Durham [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Raleigh-Durham [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Hartford-New Haven [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CT      
Initial Cost to Company, Land $ 387      
Initial Cost to Company, Building, Equipment and Improvements 1,402      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,051      
Gross Amount at Which Carried at Close of Period, Land 387      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,453      
Gross Amount at Which Carried at Close of Period, Total 5,840      
Accumulated Depreciation $ 2,022      
Date of Construction 1985      
Date Acquired Jun. 26, 1995      
Hartford-New Haven [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Hartford-New Haven [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 844      
Initial Cost to Company, Building, Equipment and Improvements 2,021      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,074      
Gross Amount at Which Carried at Close of Period, Land 844      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,095      
Gross Amount at Which Carried at Close of Period, Total 3,939      
Accumulated Depreciation $ 1,825      
Date of Construction 1988      
Date Acquired Jun. 26, 1995      
Atlanta [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 302      
Initial Cost to Company, Building, Equipment and Improvements 1,103      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 756      
Gross Amount at Which Carried at Close of Period, Land 303      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,858      
Gross Amount at Which Carried at Close of Period, Total 2,161      
Accumulated Depreciation $ 1,099      
Date of Construction 1988      
Date Acquired Jun. 26, 1995      
Atlanta [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Buffalo [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 315      
Initial Cost to Company, Building, Equipment and Improvements 745      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,108      
Gross Amount at Which Carried at Close of Period, Land 517      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,651      
Gross Amount at Which Carried at Close of Period, Total 5,168      
Accumulated Depreciation $ 1,804      
Date of Construction 1984      
Date Acquired Jun. 26, 1995      
Buffalo [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Buffalo [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Raleigh-Durham [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 321      
Initial Cost to Company, Building, Equipment and Improvements 1,150      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,534      
Gross Amount at Which Carried at Close of Period, Land 321      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,684      
Gross Amount at Which Carried at Close of Period, Total 5,005      
Accumulated Depreciation $ 1,485      
Date of Construction 1985      
Date Acquired Jun. 26, 1995      
Raleigh-Durham [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Raleigh-Durham [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Columbia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST SC      
Initial Cost to Company, Land $ 189      
Initial Cost to Company, Building, Equipment and Improvements 719      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,410      
Gross Amount at Which Carried at Close of Period, Land 189      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,129      
Gross Amount at Which Carried at Close of Period, Total 5,318      
Accumulated Depreciation $ 818      
Date of Construction 1989/2020      
Date Acquired Jun. 26, 1995      
Columbia [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Columbia [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 430      
Initial Cost to Company, Building, Equipment and Improvements 1,579      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,439      
Gross Amount at Which Carried at Close of Period, Land 602      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,846      
Gross Amount at Which Carried at Close of Period, Total 4,448      
Accumulated Depreciation $ 1,908      
Date of Construction 1988      
Date Acquired Jun. 26, 1995      
Atlanta [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Orlando [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 513      
Initial Cost to Company, Building, Equipment and Improvements 1,930      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 955      
Gross Amount at Which Carried at Close of Period, Land 513      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,885      
Gross Amount at Which Carried at Close of Period, Total 3,398      
Accumulated Depreciation $ 1,764      
Date of Construction 1988      
Date Acquired Jun. 26, 1995      
Orlando [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Orlando [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sharon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST PA      
Initial Cost to Company, Land $ 194      
Initial Cost to Company, Building, Equipment and Improvements 912      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 715      
Gross Amount at Which Carried at Close of Period, Land 194      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,627      
Gross Amount at Which Carried at Close of Period, Total 1,821      
Accumulated Depreciation $ 946      
Date of Construction 1975      
Date Acquired Jun. 26, 1995      
Sharon [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sharon [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Ft. Lauderdale [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,503      
Initial Cost to Company, Building, Equipment and Improvements 3,619      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,597      
Gross Amount at Which Carried at Close of Period, Land 1,503      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,216      
Gross Amount at Which Carried at Close of Period, Total 6,719      
Accumulated Depreciation $ 2,814      
Date of Construction 1985      
Date Acquired Jun. 26, 1995      
Ft. Lauderdale [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Ft. Lauderdale [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
West Palm [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 398      
Initial Cost to Company, Building, Equipment and Improvements 1,035      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 706      
Gross Amount at Which Carried at Close of Period, Land 398      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,741      
Gross Amount at Which Carried at Close of Period, Total 2,139      
Accumulated Depreciation $ 992      
Date of Construction 1985      
Date Acquired Jun. 26, 1995      
West Palm [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
West Palm [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 423      
Initial Cost to Company, Building, Equipment and Improvements 1,015      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,421      
Gross Amount at Which Carried at Close of Period, Land 424      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,435      
Gross Amount at Which Carried at Close of Period, Total 4,859      
Accumulated Depreciation $ 1,055      
Date of Construction 1989      
Date Acquired Jun. 26, 1995      
Atlanta [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 483      
Initial Cost to Company, Building, Equipment and Improvements 1,166      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,355      
Gross Amount at Which Carried at Close of Period, Land 483      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,521      
Gross Amount at Which Carried at Close of Period, Total 3,004      
Accumulated Depreciation $ 1,342      
Date of Construction 1988      
Date Acquired Jun. 26, 1995      
Atlanta [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 308      
Initial Cost to Company, Building, Equipment and Improvements 1,116      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,051      
Gross Amount at Which Carried at Close of Period, Land 308      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,167      
Gross Amount at Which Carried at Close of Period, Total 2,475      
Accumulated Depreciation $ 1,235      
Date of Construction 1986      
Date Acquired Jun. 26, 1995      
Atlanta [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 170      
Initial Cost to Company, Building, Equipment and Improvements 786      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 986      
Gross Amount at Which Carried at Close of Period, Land 174      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,768      
Gross Amount at Which Carried at Close of Period, Total 1,942      
Accumulated Depreciation $ 996      
Date of Construction 1981      
Date Acquired Jun. 26, 1995      
Atlanta [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 413      
Initial Cost to Company, Building, Equipment and Improvements 999      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 947      
Gross Amount at Which Carried at Close of Period, Land 413      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,946      
Gross Amount at Which Carried at Close of Period, Total 2,359      
Accumulated Depreciation $ 1,245      
Date of Construction 1975      
Date Acquired Jun. 26, 1995      
Atlanta [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Baltimore [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MD      
Initial Cost to Company, Land $ 154      
Initial Cost to Company, Building, Equipment and Improvements 555      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,589      
Gross Amount at Which Carried at Close of Period, Land 306      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,992      
Gross Amount at Which Carried at Close of Period, Total 2,298      
Accumulated Depreciation $ 1,035      
Date of Construction 1984      
Date Acquired Jun. 26, 1995      
Baltimore [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Baltimore [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Baltimore [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MD      
Initial Cost to Company, Land $ 479      
Initial Cost to Company, Building, Equipment and Improvements 1,742      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,258      
Gross Amount at Which Carried at Close of Period, Land 479      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,000      
Gross Amount at Which Carried at Close of Period, Total 5,479      
Accumulated Depreciation $ 2,363      
Date of Construction 1988      
Date Acquired Jun. 26, 1995      
Baltimore [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Baltimore [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Melbourne [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 883      
Initial Cost to Company, Building, Equipment and Improvements 2,104      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 5,387      
Gross Amount at Which Carried at Close of Period, Land 883      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,491      
Gross Amount at Which Carried at Close of Period, Total 8,374      
Accumulated Depreciation $ 2,312      
Date of Construction 1986/2019      
Date Acquired Jun. 26, 1995      
Melbourne [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Melbourne [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Newport News [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 316      
Initial Cost to Company, Building, Equipment and Improvements 1,471      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,183      
Gross Amount at Which Carried at Close of Period, Land 316      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,654      
Gross Amount at Which Carried at Close of Period, Total 2,970      
Accumulated Depreciation $ 1,544      
Date of Construction 1988      
Date Acquired Jun. 26, 1995      
Newport News [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Newport News [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Pensacola [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 632      
Initial Cost to Company, Building, Equipment and Improvements 2,962      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,030      
Gross Amount at Which Carried at Close of Period, Land 651      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,973      
Gross Amount at Which Carried at Close of Period, Total 5,624      
Accumulated Depreciation $ 2,950      
Date of Construction 1983      
Date Acquired Jun. 26, 1995      
Pensacola [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Pensacola [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Hartford [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CT      
Initial Cost to Company, Land $ 715      
Initial Cost to Company, Building, Equipment and Improvements 1,695      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,446      
Gross Amount at Which Carried at Close of Period, Land 715      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,141      
Gross Amount at Which Carried at Close of Period, Total 3,856      
Accumulated Depreciation $ 1,804      
Date of Construction 1988      
Date Acquired Jun. 26, 1995      
Hartford [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Hartford [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 304      
Initial Cost to Company, Building, Equipment and Improvements 1,118      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,024      
Gross Amount at Which Carried at Close of Period, Land 619      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,827      
Gross Amount at Which Carried at Close of Period, Total 4,446      
Accumulated Depreciation $ 1,922      
Date of Construction 1988      
Date Acquired Jun. 26, 1995      
Atlanta [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Alexandria [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 1,375      
Initial Cost to Company, Building, Equipment and Improvements 3,220      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,196      
Gross Amount at Which Carried at Close of Period, Land 1,376      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,415      
Gross Amount at Which Carried at Close of Period, Total 7,791      
Accumulated Depreciation $ 3,598      
Date of Construction 1984      
Date Acquired Jun. 26, 1995      
Alexandria [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Alexandria [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Pensacola [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 244      
Initial Cost to Company, Building, Equipment and Improvements 901      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 751      
Gross Amount at Which Carried at Close of Period, Land 244      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,652      
Gross Amount at Which Carried at Close of Period, Total 1,896      
Accumulated Depreciation $ 968      
Date of Construction 1986      
Date Acquired Jun. 26, 1995      
Pensacola [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Pensacola [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Melbourne [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 834      
Initial Cost to Company, Building, Equipment and Improvements 2,066      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,590      
Gross Amount at Which Carried at Close of Period, Land 1,591      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,899      
Gross Amount at Which Carried at Close of Period, Total 6,490      
Accumulated Depreciation $ 1,996      
Date of Construction 1986/15      
Date Acquired Jun. 26, 1995      
Melbourne [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Melbourne [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Hartford [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CT      
Initial Cost to Company, Land $ 234      
Initial Cost to Company, Building, Equipment and Improvements 861      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,649      
Gross Amount at Which Carried at Close of Period, Land 612      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,132      
Gross Amount at Which Carried at Close of Period, Total 4,744      
Accumulated Depreciation $ 1,653      
Date of Construction 1992      
Date Acquired Jun. 26, 1995      
Hartford [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Hartford [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 256      
Initial Cost to Company, Building, Equipment and Improvements 1,244      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,469      
Gross Amount at Which Carried at Close of Period, Land 256      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,713      
Gross Amount at Which Carried at Close of Period, Total 3,969      
Accumulated Depreciation $ 1,878      
Date of Construction 1988      
Date Acquired Jun. 26, 1995      
Atlanta [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Norfolk [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 313      
Initial Cost to Company, Building, Equipment and Improvements 1,462      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,856      
Gross Amount at Which Carried at Close of Period, Land 313      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,318      
Gross Amount at Which Carried at Close of Period, Total 4,631      
Accumulated Depreciation $ 1,907      
Date of Construction 1984      
Date Acquired Jun. 26, 1995      
Norfolk [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Norfolk [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Birmingham [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 307      
Initial Cost to Company, Building, Equipment and Improvements 1,415      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,953      
Gross Amount at Which Carried at Close of Period, Land 385      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,290      
Gross Amount at Which Carried at Close of Period, Total 3,675      
Accumulated Depreciation $ 1,747      
Date of Construction 1990      
Date Acquired Jun. 26, 1995      
Birmingham [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Birmingham [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Birmingham [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 730      
Initial Cost to Company, Building, Equipment and Improvements 1,725      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,073      
Gross Amount at Which Carried at Close of Period, Land 730      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,798      
Gross Amount at Which Carried at Close of Period, Total 5,528      
Accumulated Depreciation $ 2,032      
Date of Construction 1990      
Date Acquired Jun. 26, 1995      
Birmingham [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Birmingham [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Montgomery [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 863      
Initial Cost to Company, Building, Equipment and Improvements 2,041      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,574      
Gross Amount at Which Carried at Close of Period, Land 863      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,615      
Gross Amount at Which Carried at Close of Period, Total 4,478      
Accumulated Depreciation $ 1,996      
Date of Construction 1982      
Date Acquired Jun. 26, 1995      
Montgomery [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Montgomery [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Jacksonville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 326      
Initial Cost to Company, Building, Equipment and Improvements 1,515      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,471      
Gross Amount at Which Carried at Close of Period, Land 326      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,986      
Gross Amount at Which Carried at Close of Period, Total 3,312      
Accumulated Depreciation $ 1,496      
Date of Construction 1987      
Date Acquired Jun. 26, 1995      
Jacksonville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Jacksonville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Pensacola [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 369      
Initial Cost to Company, Building, Equipment and Improvements 1,358      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,550      
Gross Amount at Which Carried at Close of Period, Land 369      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,908      
Gross Amount at Which Carried at Close of Period, Total 5,277      
Accumulated Depreciation $ 2,404      
Date of Construction 1986      
Date Acquired Jun. 26, 1995      
Pensacola [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Pensacola [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Pensacola [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 244      
Initial Cost to Company, Building, Equipment and Improvements 1,128      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,959      
Gross Amount at Which Carried at Close of Period, Land 720      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,611      
Gross Amount at Which Carried at Close of Period, Total 4,331      
Accumulated Depreciation $ 1,570      
Date of Construction 1990      
Date Acquired Jun. 26, 1995      
Pensacola [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Pensacola [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Pensacola [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 226      
Initial Cost to Company, Building, Equipment and Improvements 1,046      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 991      
Gross Amount at Which Carried at Close of Period, Land 226      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,037      
Gross Amount at Which Carried at Close of Period, Total 2,263      
Accumulated Depreciation $ 1,164      
Date of Construction 1990      
Date Acquired Jun. 26, 1995      
Pensacola [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Pensacola [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Tampa [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,088      
Initial Cost to Company, Building, Equipment and Improvements 2,597      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,728      
Gross Amount at Which Carried at Close of Period, Land 1,088      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,325      
Gross Amount at Which Carried at Close of Period, Total 5,413      
Accumulated Depreciation $ 2,443      
Date of Construction 1989      
Date Acquired Jun. 26, 1995      
Tampa [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Tampa [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Clearwater [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 526      
Initial Cost to Company, Building, Equipment and Improvements 1,958      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,630      
Gross Amount at Which Carried at Close of Period, Land 526      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,588      
Gross Amount at Which Carried at Close of Period, Total 4,114      
Accumulated Depreciation $ 2,007      
Date of Construction 1985      
Date Acquired Jun. 26, 1995      
Clearwater [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Clearwater [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Clearwater-Largo [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 672      
Initial Cost to Company, Building, Equipment and Improvements 2,439      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,248      
Gross Amount at Which Carried at Close of Period, Land 672      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,687      
Gross Amount at Which Carried at Close of Period, Total 4,359      
Accumulated Depreciation $ 2,104      
Date of Construction 1988      
Date Acquired Jun. 26, 1995      
Clearwater-Largo [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Clearwater-Largo [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Providence [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST RI      
Initial Cost to Company, Land $ 345      
Initial Cost to Company, Building, Equipment and Improvements 1,268      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,148      
Gross Amount at Which Carried at Close of Period, Land 486      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,275      
Gross Amount at Which Carried at Close of Period, Total 3,761      
Accumulated Depreciation $ 1,521      
Date of Construction 1984      
Date Acquired Jun. 26, 1995      
Providence [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Providence [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Norfolk - Virginia Beach [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 1,142      
Initial Cost to Company, Building, Equipment and Improvements 4,998      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,711      
Gross Amount at Which Carried at Close of Period, Land 1,142      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,709      
Gross Amount at Which Carried at Close of Period, Total 9,851      
Accumulated Depreciation $ 4,075      
Date of Construction 1989/93/95/16      
Date Acquired Jun. 26, 1995      
Norfolk - Virginia Beach [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Norfolk - Virginia Beach [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Richmond [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 443      
Initial Cost to Company, Building, Equipment and Improvements 1,602      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,267      
Gross Amount at Which Carried at Close of Period, Land 443      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,869      
Gross Amount at Which Carried at Close of Period, Total 3,312      
Accumulated Depreciation $ 1,661      
Date of Construction 1987      
Date Acquired Aug. 25, 1995      
Richmond [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Richmond [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Orlando [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,161      
Initial Cost to Company, Building, Equipment and Improvements 2,755      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,035      
Gross Amount at Which Carried at Close of Period, Land 1,162      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,789      
Gross Amount at Which Carried at Close of Period, Total 6,951      
Accumulated Depreciation $ 2,684      
Date of Construction 1986/15      
Date Acquired Sep. 29, 1995      
Orlando [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Orlando [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Syracuse [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 470      
Initial Cost to Company, Building, Equipment and Improvements 1,712      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,831      
Gross Amount at Which Carried at Close of Period, Land 472      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,541      
Gross Amount at Which Carried at Close of Period, Total 4,013      
Accumulated Depreciation $ 1,896      
Date of Construction 1987      
Date Acquired Dec. 27, 1995      
Syracuse [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Syracuse [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Ft. Myers [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 205      
Initial Cost to Company, Building, Equipment and Improvements 912      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 857      
Gross Amount at Which Carried at Close of Period, Land 206      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,768      
Gross Amount at Which Carried at Close of Period, Total 1,974      
Accumulated Depreciation $ 968      
Date of Construction 1988      
Date Acquired Dec. 28, 1995      
Ft. Myers [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Ft. Myers [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Ft. Myers [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 412      
Initial Cost to Company, Building, Equipment and Improvements 1,703      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 958      
Gross Amount at Which Carried at Close of Period, Land 413      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,660      
Gross Amount at Which Carried at Close of Period, Total 3,073      
Accumulated Depreciation $ 1,639      
Date of Construction 1991/94      
Date Acquired Dec. 28, 1995      
Ft. Myers [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Ft. Myers [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Harrisburg [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST PA      
Initial Cost to Company, Land $ 360      
Initial Cost to Company, Building, Equipment and Improvements 1,641      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,399      
Gross Amount at Which Carried at Close of Period, Land 360      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,040      
Gross Amount at Which Carried at Close of Period, Total 5,400      
Accumulated Depreciation $ 1,377      
Date of Construction 1983      
Date Acquired Dec. 29, 1995      
Harrisburg [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Harrisburg [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Harrisburg [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST PA      
Initial Cost to Company, Land $ 627      
Initial Cost to Company, Building, Equipment and Improvements 2,224      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 5,300      
Gross Amount at Which Carried at Close of Period, Land 692      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,459      
Gross Amount at Which Carried at Close of Period, Total 8,151      
Accumulated Depreciation $ 2,709      
Date of Construction 1985      
Date Acquired Dec. 29, 1995      
Harrisburg [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Harrisburg [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Newport News [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 442      
Initial Cost to Company, Building, Equipment and Improvements 1,592      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,572      
Gross Amount at Which Carried at Close of Period, Land 442      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,164      
Gross Amount at Which Carried at Close of Period, Total 3,606      
Accumulated Depreciation $ 1,711      
Date of Construction 1988/93      
Date Acquired Jan. 05, 1996      
Newport News [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Newport News [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Montgomery [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 353      
Initial Cost to Company, Building, Equipment and Improvements 1,299      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,275      
Gross Amount at Which Carried at Close of Period, Land 353      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,574      
Gross Amount at Which Carried at Close of Period, Total 2,927      
Accumulated Depreciation $ 1,295      
Date of Construction 1984      
Date Acquired Jan. 23, 1996      
Montgomery [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Montgomery [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Charleston [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST SC      
Initial Cost to Company, Land $ 237      
Initial Cost to Company, Building, Equipment and Improvements 858      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,093      
Gross Amount at Which Carried at Close of Period, Land 245      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,943      
Gross Amount at Which Carried at Close of Period, Total 2,188      
Accumulated Depreciation $ 1,118      
Date of Construction 1985      
Date Acquired Mar. 01, 1996      
Charleston [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charleston [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Tampa [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 766      
Initial Cost to Company, Building, Equipment and Improvements 1,800      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,137      
Gross Amount at Which Carried at Close of Period, Land 766      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,937      
Gross Amount at Which Carried at Close of Period, Total 3,703      
Accumulated Depreciation $ 1,628      
Date of Construction 1985      
Date Acquired Mar. 28, 1996      
Tampa [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Tampa [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Ft.Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 442      
Initial Cost to Company, Building, Equipment and Improvements 1,767      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 476      
Gross Amount at Which Carried at Close of Period, Land 442      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,243      
Gross Amount at Which Carried at Close of Period, Total 2,685      
Accumulated Depreciation $ 1,390      
Date of Construction 1987      
Date Acquired Mar. 29, 1996      
Dallas-Ft.Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Ft.Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Ft.Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 408      
Initial Cost to Company, Building, Equipment and Improvements 1,662      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,574      
Gross Amount at Which Carried at Close of Period, Land 408      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,236      
Gross Amount at Which Carried at Close of Period, Total 3,644      
Accumulated Depreciation $ 1,767      
Date of Construction 1986      
Date Acquired Mar. 29, 1996      
Dallas-Ft.Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Ft.Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Ft.Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 328      
Initial Cost to Company, Building, Equipment and Improvements 1,324      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,826      
Gross Amount at Which Carried at Close of Period, Land 328      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,150      
Gross Amount at Which Carried at Close of Period, Total 6,478      
Accumulated Depreciation $ 310      
Date of Construction 2018      
Date Acquired Mar. 29, 1996      
Dallas-Ft.Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Ft.Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 436      
Initial Cost to Company, Building, Equipment and Improvements 1,759      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,746      
Gross Amount at Which Carried at Close of Period, Land 436      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,505      
Gross Amount at Which Carried at Close of Period, Total 3,941      
Accumulated Depreciation $ 1,883      
Date of Construction 1986      
Date Acquired Mar. 29, 1996      
San Antonio [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 289      
Initial Cost to Company, Building, Equipment and Improvements 1,161      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,526      
Gross Amount at Which Carried at Close of Period, Land 289      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,687      
Gross Amount at Which Carried at Close of Period, Total 3,976      
Accumulated Depreciation $ 746      
Date of Construction 2012      
Date Acquired Mar. 29, 1996      
San Antonio [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Montgomery [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 279      
Initial Cost to Company, Building, Equipment and Improvements 1,014      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,592      
Gross Amount at Which Carried at Close of Period, Land 433      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,452      
Gross Amount at Which Carried at Close of Period, Total 2,885      
Accumulated Depreciation $ 1,273      
Date of Construction 1988      
Date Acquired May 21, 1996      
Montgomery [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Montgomery [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
West Palm [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 345      
Initial Cost to Company, Building, Equipment and Improvements 1,262      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 689      
Gross Amount at Which Carried at Close of Period, Land 345      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,951      
Gross Amount at Which Carried at Close of Period, Total 2,296      
Accumulated Depreciation $ 1,101      
Date of Construction 1986      
Date Acquired May 29, 1996      
West Palm [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
West Palm [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Ft. Myers [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 229      
Initial Cost to Company, Building, Equipment and Improvements 884      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,907      
Gross Amount at Which Carried at Close of Period, Land 383      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,637      
Gross Amount at Which Carried at Close of Period, Total 4,020      
Accumulated Depreciation $ 1,221      
Date of Construction 1986      
Date Acquired May 29, 1996      
Ft. Myers [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Ft. Myers [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Syracuse [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 481      
Initial Cost to Company, Building, Equipment and Improvements 1,559      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,745      
Gross Amount at Which Carried at Close of Period, Land 671      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,114      
Gross Amount at Which Carried at Close of Period, Total 4,785      
Accumulated Depreciation $ 2,214      
Date of Construction 1983      
Date Acquired Jun. 05, 1996      
Syracuse [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Syracuse [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Lakeland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 359      
Initial Cost to Company, Building, Equipment and Improvements 1,287      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,454      
Gross Amount at Which Carried at Close of Period, Land 359      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,741      
Gross Amount at Which Carried at Close of Period, Total 3,100      
Accumulated Depreciation $ 1,593      
Date of Construction 1988      
Date Acquired Jun. 26, 1996      
Lakeland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Lakeland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston - Springfield [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 251      
Initial Cost to Company, Building, Equipment and Improvements 917      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,591      
Gross Amount at Which Carried at Close of Period, Land 297      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,462      
Gross Amount at Which Carried at Close of Period, Total 3,759      
Accumulated Depreciation $ 1,890      
Date of Construction 1986      
Date Acquired Jun. 28, 1996      
Boston - Springfield [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston - Springfield [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Ft. Myers [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 344      
Initial Cost to Company, Building, Equipment and Improvements 1,254      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 758      
Gross Amount at Which Carried at Close of Period, Land 310      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,046      
Gross Amount at Which Carried at Close of Period, Total 2,356      
Accumulated Depreciation $ 1,177      
Date of Construction 1987      
Date Acquired Jun. 28, 1996      
Ft. Myers [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Ft. Myers [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cincinnati [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 557      
Initial Cost to Company, Building, Equipment and Improvements 1,988      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,040      
Gross Amount at Which Carried at Close of Period, Land 688      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,897      
Gross Amount at Which Carried at Close of Period, Total 3,585      
Accumulated Depreciation $ 1,234      
Date of Construction 1988      
Date Acquired Jul. 23, 1996      
Cincinnati [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cincinnati [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Baltimore [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MD      
Initial Cost to Company, Land $ 777      
Initial Cost to Company, Building, Equipment and Improvements 2,770      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 942      
Gross Amount at Which Carried at Close of Period, Land 777      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,712      
Gross Amount at Which Carried at Close of Period, Total 4,489      
Accumulated Depreciation $ 2,159      
Date of Construction 1990      
Date Acquired Jul. 26, 1996      
Baltimore [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Baltimore [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Jacksonville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 568      
Initial Cost to Company, Building, Equipment and Improvements 2,028      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,937      
Gross Amount at Which Carried at Close of Period, Land 568      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,965      
Gross Amount at Which Carried at Close of Period, Total 4,533      
Accumulated Depreciation $ 2,119      
Date of Construction 1987      
Date Acquired Aug. 23, 1996      
Jacksonville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Jacksonville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Jacksonville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 436      
Initial Cost to Company, Building, Equipment and Improvements 1,635      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,211      
Gross Amount at Which Carried at Close of Period, Land 436      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,846      
Gross Amount at Which Carried at Close of Period, Total 3,282      
Accumulated Depreciation $ 1,565      
Date of Construction 1985      
Date Acquired Aug. 26, 1996      
Jacksonville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Jacksonville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Jacksonville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 535      
Initial Cost to Company, Building, Equipment and Improvements 2,033      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 775      
Gross Amount at Which Carried at Close of Period, Land 538      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,805      
Gross Amount at Which Carried at Close of Period, Total 3,343      
Accumulated Depreciation $ 1,689      
Date of Construction 1987/92      
Date Acquired Aug. 30, 1996      
Jacksonville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Jacksonville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Charlotte [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 487      
Initial Cost to Company, Building, Equipment and Improvements 1,754      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 785      
Gross Amount at Which Carried at Close of Period, Land 487      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,539      
Gross Amount at Which Carried at Close of Period, Total 3,026      
Accumulated Depreciation $ 1,442      
Date of Construction 1995      
Date Acquired Sep. 16, 1996      
Charlotte [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charlotte [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Charlotte [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 315      
Initial Cost to Company, Building, Equipment and Improvements 1,131      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 635      
Gross Amount at Which Carried at Close of Period, Land 315      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,766      
Gross Amount at Which Carried at Close of Period, Total 2,081      
Accumulated Depreciation $ 1,032      
Date of Construction 1995      
Date Acquired Sep. 16, 1996      
Charlotte [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charlotte [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Orlando [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 314      
Initial Cost to Company, Building, Equipment and Improvements 1,113      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,467      
Gross Amount at Which Carried at Close of Period, Land 314      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,580      
Gross Amount at Which Carried at Close of Period, Total 2,894      
Accumulated Depreciation $ 1,434      
Date of Construction 1975      
Date Acquired Oct. 30, 1996      
Orlando [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Orlando [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Rochester [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 704      
Initial Cost to Company, Building, Equipment and Improvements 2,496      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,252      
Gross Amount at Which Carried at Close of Period, Land 707      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,745      
Gross Amount at Which Carried at Close of Period, Total 6,452      
Accumulated Depreciation $ 2,566      
Date of Construction 1990      
Date Acquired Dec. 20, 1996      
Rochester [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Rochester [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Youngstown [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 600      
Initial Cost to Company, Building, Equipment and Improvements 2,142      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,840      
Gross Amount at Which Carried at Close of Period, Land 693      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,889      
Gross Amount at Which Carried at Close of Period, Total 5,582      
Accumulated Depreciation $ 2,283      
Date of Construction 1988      
Date Acquired Jan. 10, 1997      
Youngstown [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Youngstown [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cleveland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 751      
Initial Cost to Company, Building, Equipment and Improvements 2,676      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,607      
Gross Amount at Which Carried at Close of Period, Land 751      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,283      
Gross Amount at Which Carried at Close of Period, Total 8,034      
Accumulated Depreciation $ 3,158      
Date of Construction 1986      
Date Acquired Jan. 10, 1997      
Cleveland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cleveland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cleveland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 725      
Initial Cost to Company, Building, Equipment and Improvements 2,586      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,631      
Gross Amount at Which Carried at Close of Period, Land 725      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,217      
Gross Amount at Which Carried at Close of Period, Total 5,942      
Accumulated Depreciation $ 2,704      
Date of Construction 1978      
Date Acquired Jan. 10, 1997      
Cleveland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cleveland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cleveland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 637      
Initial Cost to Company, Building, Equipment and Improvements 2,918      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,238      
Gross Amount at Which Carried at Close of Period, Land 701      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,092      
Gross Amount at Which Carried at Close of Period, Total 5,793      
Accumulated Depreciation $ 3,227      
Date of Construction 1979      
Date Acquired Jan. 10, 1997      
Cleveland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cleveland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cleveland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 495      
Initial Cost to Company, Building, Equipment and Improvements 1,781      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,236      
Gross Amount at Which Carried at Close of Period, Land 495      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,017      
Gross Amount at Which Carried at Close of Period, Total 6,512      
Accumulated Depreciation $ 2,063      
Date of Construction 1979/17      
Date Acquired Jan. 10, 1997      
Cleveland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cleveland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cleveland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 761      
Initial Cost to Company, Building, Equipment and Improvements 2,714      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,982      
Gross Amount at Which Carried at Close of Period, Land 761      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,696      
Gross Amount at Which Carried at Close of Period, Total 5,457      
Accumulated Depreciation $ 2,732      
Date of Construction 1977      
Date Acquired Jan. 10, 1997      
Cleveland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cleveland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cleveland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 418      
Initial Cost to Company, Building, Equipment and Improvements 1,921      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,066      
Gross Amount at Which Carried at Close of Period, Land 418      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,987      
Gross Amount at Which Carried at Close of Period, Total 5,405      
Accumulated Depreciation $ 2,452      
Date of Construction 1970      
Date Acquired Jan. 10, 1997      
Cleveland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cleveland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cleveland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 606      
Initial Cost to Company, Building, Equipment and Improvements 2,164      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,632      
Gross Amount at Which Carried at Close of Period, Land 606      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,796      
Gross Amount at Which Carried at Close of Period, Total 4,402      
Accumulated Depreciation $ 1,997      
Date of Construction 1982      
Date Acquired Jan. 10, 1997      
Cleveland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cleveland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 346      
Initial Cost to Company, Building, Equipment and Improvements 1,236      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 685      
Gross Amount at Which Carried at Close of Period, Land 346      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,921      
Gross Amount at Which Carried at Close of Period, Total 2,267      
Accumulated Depreciation $ 1,097      
Date of Construction 1985      
Date Acquired Jan. 30, 1997      
San Antonio [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 432      
Initial Cost to Company, Building, Equipment and Improvements 1,560      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,278      
Gross Amount at Which Carried at Close of Period, Land 432      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,838      
Gross Amount at Which Carried at Close of Period, Total 4,270      
Accumulated Depreciation $ 2,069      
Date of Construction 1995      
Date Acquired Jan. 30, 1997      
San Antonio [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Beaumont [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 634      
Initial Cost to Company, Building, Equipment and Improvements 2,565      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,826      
Gross Amount at Which Carried at Close of Period, Land 634      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,391      
Gross Amount at Which Carried at Close of Period, Total 8,025      
Accumulated Depreciation $ 2,699      
Date of Construction 1993/95/16      
Date Acquired Mar. 26, 1997      
Houston-Beaumont [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Beaumont [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Beaumont [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 566      
Initial Cost to Company, Building, Equipment and Improvements 2,279      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 619      
Gross Amount at Which Carried at Close of Period, Land 566      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,898      
Gross Amount at Which Carried at Close of Period, Total 3,464      
Accumulated Depreciation $ 1,672      
Date of Construction 1995      
Date Acquired Mar. 26, 1997      
Houston-Beaumont [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Beaumont [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Beaumont [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 293      
Initial Cost to Company, Building, Equipment and Improvements 1,357      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 730      
Gross Amount at Which Carried at Close of Period, Land 293      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,087      
Gross Amount at Which Carried at Close of Period, Total 2,380      
Accumulated Depreciation $ 1,132      
Date of Construction 1995      
Date Acquired Mar. 26, 1997      
Houston-Beaumont [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Beaumont [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chesapeake [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 260      
Initial Cost to Company, Building, Equipment and Improvements 1,043      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,922      
Gross Amount at Which Carried at Close of Period, Land 260      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,965      
Gross Amount at Which Carried at Close of Period, Total 6,225      
Accumulated Depreciation $ 2,148      
Date of Construction 1988/95      
Date Acquired Mar. 31, 1997      
Chesapeake [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chesapeake [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Orlando-W 25th St [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 289      
Initial Cost to Company, Building, Equipment and Improvements 1,160      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,659      
Gross Amount at Which Carried at Close of Period, Land 616      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,492      
Gross Amount at Which Carried at Close of Period, Total 4,108      
Accumulated Depreciation $ 1,307      
Date of Construction 1984      
Date Acquired Mar. 31, 1997      
Orlando-W 25th St [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Orlando-W 25th St [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Savannah [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 296      
Initial Cost to Company, Building, Equipment and Improvements 1,196      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 688      
Gross Amount at Which Carried at Close of Period, Land 296      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,884      
Gross Amount at Which Carried at Close of Period, Total 2,180      
Accumulated Depreciation $ 1,053      
Date of Construction 1988      
Date Acquired May 08, 1997      
Savannah [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Savannah [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Delray [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 921      
Initial Cost to Company, Building, Equipment and Improvements 3,282      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,297      
Gross Amount at Which Carried at Close of Period, Land 921      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,579      
Gross Amount at Which Carried at Close of Period, Total 5,500      
Accumulated Depreciation $ 2,496      
Date of Construction 1980      
Date Acquired May 21, 1997      
Delray [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Delray [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cleveland-Avon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 301      
Initial Cost to Company, Building, Equipment and Improvements 1,214      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,413      
Gross Amount at Which Carried at Close of Period, Land 304      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,624      
Gross Amount at Which Carried at Close of Period, Total 3,928      
Accumulated Depreciation $ 1,823      
Date of Construction 1989      
Date Acquired Jun. 04, 1997      
Cleveland-Avon [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cleveland-Avon [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta-Alpharetta [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 1,033      
Initial Cost to Company, Building, Equipment and Improvements 3,753      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 881      
Gross Amount at Which Carried at Close of Period, Land 1,033      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,634      
Gross Amount at Which Carried at Close of Period, Total 5,667      
Accumulated Depreciation $ 2,663      
Date of Construction 1994      
Date Acquired Jul. 24, 1997      
Atlanta-Alpharetta [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta-Alpharetta [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta-Marietta [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 769      
Initial Cost to Company, Building, Equipment and Improvements 2,788      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 861      
Gross Amount at Which Carried at Close of Period, Land 825      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,593      
Gross Amount at Which Carried at Close of Period, Total 4,418      
Accumulated Depreciation $ 2,017      
Date of Construction 1996      
Date Acquired Jul. 24, 1997      
Atlanta-Marietta [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta-Marietta [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta-Doraville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 735      
Initial Cost to Company, Building, Equipment and Improvements 3,429      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 666      
Gross Amount at Which Carried at Close of Period, Land 735      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,095      
Gross Amount at Which Carried at Close of Period, Total 4,830      
Accumulated Depreciation $ 2,367      
Date of Construction 1995      
Date Acquired Aug. 21, 1997      
Atlanta-Doraville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta-Doraville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Baton Rouge-Airline [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST LA      
Initial Cost to Company, Land $ 396      
Initial Cost to Company, Building, Equipment and Improvements 1,831      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,319      
Gross Amount at Which Carried at Close of Period, Land 421      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,125      
Gross Amount at Which Carried at Close of Period, Total 3,546      
Accumulated Depreciation $ 1,690      
Date of Construction 1982      
Date Acquired Oct. 09, 1997      
Baton Rouge-Airline [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Baton Rouge-Airline [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Baton Rouge-Airline2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST LA      
Initial Cost to Company, Land $ 282      
Initial Cost to Company, Building, Equipment and Improvements 1,303      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 670      
Gross Amount at Which Carried at Close of Period, Land 282      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,973      
Gross Amount at Which Carried at Close of Period, Total 2,255      
Accumulated Depreciation $ 1,097      
Date of Construction 1985      
Date Acquired Nov. 21, 1997      
Baton Rouge-Airline2 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Baton Rouge-Airline2 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Harrisburg-Peiffers [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST PA      
Initial Cost to Company, Land $ 635      
Initial Cost to Company, Building, Equipment and Improvements 2,550      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 866      
Gross Amount at Which Carried at Close of Period, Land 637      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,414      
Gross Amount at Which Carried at Close of Period, Total 4,051      
Accumulated Depreciation $ 1,954      
Date of Construction 1984      
Date Acquired Dec. 03, 1997      
Harrisburg-Peiffers [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Harrisburg-Peiffers [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Tampa-E.Hillsborough [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 709      
Initial Cost to Company, Building, Equipment and Improvements 3,235      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,198      
Gross Amount at Which Carried at Close of Period, Land 709      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,433      
Gross Amount at Which Carried at Close of Period, Total 5,142      
Accumulated Depreciation $ 2,497      
Date of Construction 1985      
Date Acquired Feb. 04, 1998      
Tampa-E.Hillsborough [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Tampa-E.Hillsborough [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
NY Metro-Middletown [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 843      
Initial Cost to Company, Building, Equipment and Improvements 3,394      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,757      
Gross Amount at Which Carried at Close of Period, Land 843      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,151      
Gross Amount at Which Carried at Close of Period, Total 8,994      
Accumulated Depreciation $ 2,773      
Date of Construction 1989/95      
Date Acquired Feb. 04, 1998      
NY Metro-Middletown [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
NY Metro-Middletown [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chesapeake-Military [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 542      
Initial Cost to Company, Building, Equipment and Improvements 2,210      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,304      
Gross Amount at Which Carried at Close of Period, Land 542      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,514      
Gross Amount at Which Carried at Close of Period, Total 6,056      
Accumulated Depreciation $ 2,054      
Date of Construction 1996/2019      
Date Acquired Feb. 05, 1998      
Chesapeake-Military [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chesapeake-Military [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chesapeake-Volvo [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 620      
Initial Cost to Company, Building, Equipment and Improvements 2,532      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,639      
Gross Amount at Which Carried at Close of Period, Land 620      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,171      
Gross Amount at Which Carried at Close of Period, Total 4,791      
Accumulated Depreciation $ 2,189      
Date of Construction 1995      
Date Acquired Feb. 05, 1998      
Chesapeake-Volvo [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chesapeake-Volvo [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Norfolk-Naval Base [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 1,243      
Initial Cost to Company, Building, Equipment and Improvements 5,019      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,219      
Gross Amount at Which Carried at Close of Period, Land 1,243      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,238      
Gross Amount at Which Carried at Close of Period, Total 7,481      
Accumulated Depreciation $ 3,481      
Date of Construction 1975      
Date Acquired Feb. 05, 1998      
Norfolk-Naval Base [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Norfolk-Naval Base [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston North Bridge [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 441      
Initial Cost to Company, Building, Equipment and Improvements 1,788      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,234      
Gross Amount at Which Carried at Close of Period, Land 694      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,769      
Gross Amount at Which Carried at Close of Period, Total 3,463      
Accumulated Depreciation $ 1,141      
Date of Construction 1988      
Date Acquired Feb. 09, 1998      
Boston North Bridge [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston North Bridge [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Titusville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 492      
Initial Cost to Company, Building, Equipment and Improvements 1,990      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 6,053      
Gross Amount at Which Carried at Close of Period, Land 688      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,847      
Gross Amount at Which Carried at Close of Period, Total 8,535      
Accumulated Depreciation $ 1,383      
Date of Construction 1986/90/2020      
Date Acquired Feb. 25, 1998      
Titusville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Titusville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston Salem [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 733      
Initial Cost to Company, Building, Equipment and Improvements 2,941      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,001      
Gross Amount at Which Carried at Close of Period, Land 733      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,942      
Gross Amount at Which Carried at Close of Period, Total 5,675      
Accumulated Depreciation $ 4,230      
Date of Construction 1979      
Date Acquired Mar. 03, 1998      
Boston Salem [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston Salem [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Providence [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST RI      
Initial Cost to Company, Land $ 702      
Initial Cost to Company, Building, Equipment and Improvements 2,821      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,380      
Gross Amount at Which Carried at Close of Period, Land 702      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,201      
Gross Amount at Which Carried at Close of Period, Total 7,903      
Accumulated Depreciation $ 3,033      
Date of Construction 1984/88      
Date Acquired Mar. 26, 1998      
Providence [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Providence [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chattanooga-Lee Hwy [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TN      
Initial Cost to Company, Land $ 384      
Initial Cost to Company, Building, Equipment and Improvements 1,371      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 727      
Gross Amount at Which Carried at Close of Period, Land 384      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,098      
Gross Amount at Which Carried at Close of Period, Total 2,482      
Accumulated Depreciation $ 1,243      
Date of Construction 1987      
Date Acquired Mar. 27, 1998      
Chattanooga-Lee Hwy [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chattanooga-Lee Hwy [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chattanooga-Hwy 58 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TN      
Initial Cost to Company, Land $ 296      
Initial Cost to Company, Building, Equipment and Improvements 1,198      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,408      
Gross Amount at Which Carried at Close of Period, Land 414      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,488      
Gross Amount at Which Carried at Close of Period, Total 3,902      
Accumulated Depreciation $ 1,659      
Date of Construction 1985      
Date Acquired Mar. 27, 1998      
Chattanooga-Hwy 58 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chattanooga-Hwy 58 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Ft. Oglethorpe [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 349      
Initial Cost to Company, Building, Equipment and Improvements 1,250      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,922      
Gross Amount at Which Carried at Close of Period, Land 464      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,057      
Gross Amount at Which Carried at Close of Period, Total 3,521      
Accumulated Depreciation $ 1,403      
Date of Construction 1989      
Date Acquired Mar. 27, 1998      
Ft. Oglethorpe [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Ft. Oglethorpe [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Birmingham-Walt [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 544      
Initial Cost to Company, Building, Equipment and Improvements 1,942      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,401      
Gross Amount at Which Carried at Close of Period, Land 544      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,343      
Gross Amount at Which Carried at Close of Period, Total 3,887      
Accumulated Depreciation $ 1,894      
Date of Construction 1984      
Date Acquired Mar. 27, 1998      
Birmingham-Walt [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Birmingham-Walt [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Salem-Policy [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NH      
Initial Cost to Company, Land $ 742      
Initial Cost to Company, Building, Equipment and Improvements 2,977      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 734      
Gross Amount at Which Carried at Close of Period, Land 742      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,711      
Gross Amount at Which Carried at Close of Period, Total 4,453      
Accumulated Depreciation $ 2,050      
Date of Construction 1980      
Date Acquired Apr. 07, 1998      
Salem-Policy [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Salem-Policy [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Raleigh-Durham [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 775      
Initial Cost to Company, Building, Equipment and Improvements 3,103      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,092      
Gross Amount at Which Carried at Close of Period, Land 775      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,195      
Gross Amount at Which Carried at Close of Period, Total 7,970      
Accumulated Depreciation $ 1,845      
Date of Construction 1988/91/2019      
Date Acquired Apr. 09, 1998      
Raleigh-Durham [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Raleigh-Durham [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Youngstown-Warren [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 522      
Initial Cost to Company, Building, Equipment and Improvements 1,864      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,669      
Gross Amount at Which Carried at Close of Period, Land 569      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,486      
Gross Amount at Which Carried at Close of Period, Total 4,055      
Accumulated Depreciation $ 1,817      
Date of Construction 1986      
Date Acquired Apr. 22, 1998      
Youngstown-Warren [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Youngstown-Warren [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Youngstown-Warren [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 512      
Initial Cost to Company, Building, Equipment and Improvements 1,829      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,965      
Gross Amount at Which Carried at Close of Period, Land 633      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,673      
Gross Amount at Which Carried at Close of Period, Total 5,306      
Accumulated Depreciation $ 2,032      
Date of Construction 1986/16      
Date Acquired Apr. 22, 1998      
Youngstown-Warren [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Youngstown-Warren [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston Katy [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 419      
Initial Cost to Company, Building, Equipment and Improvements 1,524      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,185      
Gross Amount at Which Carried at Close of Period, Land 419      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,709      
Gross Amount at Which Carried at Close of Period, Total 6,128      
Accumulated Depreciation $ 2,217      
Date of Construction 1994      
Date Acquired May 20, 1998      
Houston Katy [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston Katy [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Melbourne [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 662      
Initial Cost to Company, Building, Equipment and Improvements 2,654      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,747      
Gross Amount at Which Carried at Close of Period, Land 662      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,401      
Gross Amount at Which Carried at Close of Period, Total 7,063      
Accumulated Depreciation $ 2,177      
Date of Construction 1985/07/15      
Date Acquired Jun. 02, 1998      
Melbourne [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Melbourne [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Vero Beach [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 489      
Initial Cost to Company, Building, Equipment and Improvements 1,813      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,879      
Gross Amount at Which Carried at Close of Period, Land 584      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,597      
Gross Amount at Which Carried at Close of Period, Total 4,181      
Accumulated Depreciation $ 1,474      
Date of Construction 1997      
Date Acquired Jun. 12, 1998      
Vero Beach [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Vero Beach [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Humble [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 447      
Initial Cost to Company, Building, Equipment and Improvements 1,790      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,896      
Gross Amount at Which Carried at Close of Period, Land 740      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,393      
Gross Amount at Which Carried at Close of Period, Total 5,133      
Accumulated Depreciation $ 1,953      
Date of Construction 1986      
Date Acquired Jun. 16, 1998      
Houston-Humble [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Humble [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Webster [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 635      
Initial Cost to Company, Building, Equipment and Improvements 2,302      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 664      
Gross Amount at Which Carried at Close of Period, Land 635      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,966      
Gross Amount at Which Carried at Close of Period, Total 3,601      
Accumulated Depreciation $ 1,533      
Date of Construction 1997      
Date Acquired Jun. 19, 1998      
Houston-Webster [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Webster [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Marcos [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 324      
Initial Cost to Company, Building, Equipment and Improvements 1,493      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,383      
Gross Amount at Which Carried at Close of Period, Land 324      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,876      
Gross Amount at Which Carried at Close of Period, Total 4,200      
Accumulated Depreciation $ 1,761      
Date of Construction 1994      
Date Acquired Jun. 30, 1998      
San Marcos [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Marcos [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Hollywood-Sheridan [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,208      
Initial Cost to Company, Building, Equipment and Improvements 4,854      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 956      
Gross Amount at Which Carried at Close of Period, Land 1,208      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,810      
Gross Amount at Which Carried at Close of Period, Total 7,018      
Accumulated Depreciation $ 3,202      
Date of Construction 1988      
Date Acquired Jul. 01, 1998      
Hollywood-Sheridan [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Hollywood-Sheridan [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Pompano Beach-Atlantic [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 944      
Initial Cost to Company, Building, Equipment and Improvements 3,803      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 921      
Gross Amount at Which Carried at Close of Period, Land 944      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,724      
Gross Amount at Which Carried at Close of Period, Total 5,668      
Accumulated Depreciation $ 2,646      
Date of Construction 1985      
Date Acquired Jul. 01, 1998      
Pompano Beach-Atlantic [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Pompano Beach-Atlantic [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Pompano Beach-Sample [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 903      
Initial Cost to Company, Building, Equipment and Improvements 3,643      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 820      
Gross Amount at Which Carried at Close of Period, Land 903      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,463      
Gross Amount at Which Carried at Close of Period, Total 5,366      
Accumulated Depreciation $ 2,419      
Date of Construction 1988      
Date Acquired Jul. 01, 1998      
Pompano Beach-Sample [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Pompano Beach-Sample [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boca Raton-18th St [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,503      
Initial Cost to Company, Building, Equipment and Improvements 6,059      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements (1,583)      
Gross Amount at Which Carried at Close of Period, Land 851      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,128      
Gross Amount at Which Carried at Close of Period, Total 5,979      
Accumulated Depreciation $ 2,809      
Date of Construction 1991      
Date Acquired Jul. 01, 1998      
Boca Raton-18th St [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boca Raton-18th St [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Hollywood-N.21st [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 840      
Initial Cost to Company, Building, Equipment and Improvements 3,373      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 674      
Gross Amount at Which Carried at Close of Period, Land 840      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,047      
Gross Amount at Which Carried at Close of Period, Total 4,887      
Accumulated Depreciation $ 2,313      
Date of Construction 1987      
Date Acquired Aug. 03, 1998      
Hollywood-N.21st [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Hollywood-N.21st [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Fort Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 550      
Initial Cost to Company, Building, Equipment and Improvements 1,998      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 967      
Gross Amount at Which Carried at Close of Period, Land 550      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,965      
Gross Amount at Which Carried at Close of Period, Total 3,515      
Accumulated Depreciation $ 1,518      
Date of Construction 1996      
Date Acquired Sep. 29, 1998      
Dallas-Fort Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Fort Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Fort Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 670      
Initial Cost to Company, Building, Equipment and Improvements 2,407      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,889      
Gross Amount at Which Carried at Close of Period, Land 670      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,296      
Gross Amount at Which Carried at Close of Period, Total 4,966      
Accumulated Depreciation $ 2,195      
Date of Construction 1996      
Date Acquired Oct. 09, 1998      
Dallas-Fort Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Fort Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cincinnati Batavia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 390      
Initial Cost to Company, Building, Equipment and Improvements 1,570      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,186      
Gross Amount at Which Carried at Close of Period, Land 376      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,770      
Gross Amount at Which Carried at Close of Period, Total 6,146      
Accumulated Depreciation $ 1,475      
Date of Construction 1988/2020      
Date Acquired Nov. 19, 1998      
Cincinnati Batavia [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cincinnati Batavia [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Providence [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST RI      
Initial Cost to Company, Land $ 447      
Initial Cost to Company, Building, Equipment and Improvements 1,776      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,100      
Gross Amount at Which Carried at Close of Period, Land 447      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,876      
Gross Amount at Which Carried at Close of Period, Total 3,323      
Accumulated Depreciation $ 1,538      
Date of Construction 1986/94      
Date Acquired Feb. 02, 1999      
Providence [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Providence [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Lafayette-Ambassador [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST LA      
Initial Cost to Company, Land $ 314      
Initial Cost to Company, Building, Equipment and Improvements 1,095      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 5,951      
Gross Amount at Which Carried at Close of Period, Land 314      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,046      
Gross Amount at Which Carried at Close of Period, Total 7,360      
Accumulated Depreciation $ 283      
Date of Construction 2019      
Date Acquired Feb. 17, 1999      
Lafayette-Ambassador [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Lafayette-Ambassador [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Phoenix-Glendale [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AZ      
Initial Cost to Company, Land $ 565      
Initial Cost to Company, Building, Equipment and Improvements 2,596      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 825      
Gross Amount at Which Carried at Close of Period, Land 565      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,421      
Gross Amount at Which Carried at Close of Period, Total 3,986      
Accumulated Depreciation $ 1,874      
Date of Construction 1997      
Date Acquired May 18, 1999      
Phoenix-Glendale [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Phoenix-Glendale [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Phoenix-Mesa [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AZ      
Initial Cost to Company, Land $ 330      
Initial Cost to Company, Building, Equipment and Improvements 1,309      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,718      
Gross Amount at Which Carried at Close of Period, Land 733      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,624      
Gross Amount at Which Carried at Close of Period, Total 4,357      
Accumulated Depreciation $ 1,535      
Date of Construction 1986      
Date Acquired May 18, 1999      
Phoenix-Mesa [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Phoenix-Mesa [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Phoenix-Mesa [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AZ      
Initial Cost to Company, Land $ 339      
Initial Cost to Company, Building, Equipment and Improvements 1,346      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 957      
Gross Amount at Which Carried at Close of Period, Land 339      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,303      
Gross Amount at Which Carried at Close of Period, Total 2,642      
Accumulated Depreciation $ 1,148      
Date of Construction 1986      
Date Acquired May 18, 1999      
Phoenix-Mesa [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Phoenix-Mesa [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Phoenix-Mesa [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AZ      
Initial Cost to Company, Land $ 291      
Initial Cost to Company, Building, Equipment and Improvements 1,026      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,415      
Gross Amount at Which Carried at Close of Period, Land 291      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,441      
Gross Amount at Which Carried at Close of Period, Total 2,732      
Accumulated Depreciation $ 1,087      
Date of Construction 1976      
Date Acquired May 18, 1999      
Phoenix-Mesa [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Phoenix-Mesa [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Phoenix-Mesa [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AZ      
Initial Cost to Company, Land $ 354      
Initial Cost to Company, Building, Equipment and Improvements 1,405      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 918      
Gross Amount at Which Carried at Close of Period, Land 354      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,323      
Gross Amount at Which Carried at Close of Period, Total 2,677      
Accumulated Depreciation $ 1,120      
Date of Construction 1986      
Date Acquired May 18, 1999      
Phoenix-Mesa [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Phoenix-Mesa [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Phoenix-Bell [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AZ      
Initial Cost to Company, Land $ 872      
Initial Cost to Company, Building, Equipment and Improvements 3,476      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,760      
Gross Amount at Which Carried at Close of Period, Land 872      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,236      
Gross Amount at Which Carried at Close of Period, Total 8,108      
Accumulated Depreciation $ 3,099      
Date of Construction 1984      
Date Acquired May 18, 1999      
Phoenix-Bell [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Phoenix-Bell [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Phoenix-35th Ave [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AZ      
Initial Cost to Company, Land $ 849      
Initial Cost to Company, Building, Equipment and Improvements 3,401      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,071      
Gross Amount at Which Carried at Close of Period, Land 849      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,472      
Gross Amount at Which Carried at Close of Period, Total 5,321      
Accumulated Depreciation $ 2,462      
Date of Construction 1996      
Date Acquired May 21, 1999      
Phoenix-35th Ave [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Phoenix-35th Ave [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Portland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST ME      
Initial Cost to Company, Land $ 410      
Initial Cost to Company, Building, Equipment and Improvements 1,626      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,141      
Gross Amount at Which Carried at Close of Period, Land 410      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,767      
Gross Amount at Which Carried at Close of Period, Total 4,177      
Accumulated Depreciation $ 1,786      
Date of Construction 1988      
Date Acquired Aug. 02, 1999      
Portland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Portland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Space Coast- Cocoa [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 667      
Initial Cost to Company, Building, Equipment and Improvements 2,373      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,230      
Gross Amount at Which Carried at Close of Period, Land 667      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,603      
Gross Amount at Which Carried at Close of Period, Total 4,270      
Accumulated Depreciation $ 1,872      
Date of Construction 1982      
Date Acquired Sep. 29, 1999      
Space Coast- Cocoa [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Space Coast- Cocoa [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Fort Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 335      
Initial Cost to Company, Building, Equipment and Improvements 1,521      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 983      
Gross Amount at Which Carried at Close of Period, Land 335      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,504      
Gross Amount at Which Carried at Close of Period, Total 2,839      
Accumulated Depreciation $ 1,194      
Date of Construction 1985      
Date Acquired Nov. 09, 1999      
Dallas-Fort Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Fort Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
NY Metro-Middletown [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 276      
Initial Cost to Company, Building, Equipment and Improvements 1,312      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,614      
Gross Amount at Which Carried at Close of Period, Land 276      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,926      
Gross Amount at Which Carried at Close of Period, Total 6,202      
Accumulated Depreciation $ 1,446      
Date of Construction 1998/2019      
Date Acquired Feb. 02, 2000      
NY Metro-Middletown [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
NY Metro-Middletown [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston-N. Andover [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 633      
Initial Cost to Company, Building, Equipment and Improvements 2,573      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,142      
Gross Amount at Which Carried at Close of Period, Land 633      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,715      
Gross Amount at Which Carried at Close of Period, Total 4,348      
Accumulated Depreciation $ 1,836      
Date of Construction 1989      
Date Acquired Feb. 15, 2000      
Boston-N. Andover [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston-N. Andover [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Seabrook [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 633      
Initial Cost to Company, Building, Equipment and Improvements 2,617      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 5,872      
Gross Amount at Which Carried at Close of Period, Land 583      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,539      
Gross Amount at Which Carried at Close of Period, Total 9,122      
Accumulated Depreciation $ 1,318      
Date of Construction 1996/2020      
Date Acquired Mar. 01, 2000      
Houston-Seabrook [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Seabrook [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Ft. Lauderdale [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 384      
Initial Cost to Company, Building, Equipment and Improvements 1,422      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,012      
Gross Amount at Which Carried at Close of Period, Land 384      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,434      
Gross Amount at Which Carried at Close of Period, Total 2,818      
Accumulated Depreciation $ 1,173      
Date of Construction 1994      
Date Acquired May 02, 2000      
Ft. Lauderdale [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Ft. Lauderdale [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Birmingham-Bessemer [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 254      
Initial Cost to Company, Building, Equipment and Improvements 1,059      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,495      
Gross Amount at Which Carried at Close of Period, Land 332      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,476      
Gross Amount at Which Carried at Close of Period, Total 4,808      
Accumulated Depreciation $ 1,358      
Date of Construction 1998      
Date Acquired Nov. 15, 2000      
Birmingham-Bessemer [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Birmingham-Bessemer [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
NY Metro-Brewster [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 1,716      
Initial Cost to Company, Building, Equipment and Improvements 6,920      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,897      
Gross Amount at Which Carried at Close of Period, Land 1,981      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,552      
Gross Amount at Which Carried at Close of Period, Total 10,533      
Accumulated Depreciation $ 3,110      
Date of Construction 1991/97      
Date Acquired Dec. 27, 2000      
NY Metro-Brewster [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
NY Metro-Brewster [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin-Lamar [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 837      
Initial Cost to Company, Building, Equipment and Improvements 2,977      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,826      
Gross Amount at Which Carried at Close of Period, Land 966      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,674      
Gross Amount at Which Carried at Close of Period, Total 7,640      
Accumulated Depreciation $ 2,006      
Date of Construction 1996/99      
Date Acquired Feb. 22, 2001      
Austin-Lamar [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin-Lamar [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 733      
Initial Cost to Company, Building, Equipment and Improvements 3,392      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,385      
Gross Amount at Which Carried at Close of Period, Land 841      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,669      
Gross Amount at Which Carried at Close of Period, Total 5,510      
Accumulated Depreciation $ 1,840      
Date of Construction 1993/97      
Date Acquired Mar. 02, 2001      
Houston [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Ft.Myers [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 787      
Initial Cost to Company, Building, Equipment and Improvements 3,249      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 848      
Gross Amount at Which Carried at Close of Period, Land 902      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,982      
Gross Amount at Which Carried at Close of Period, Total 4,884      
Accumulated Depreciation $ 1,718      
Date of Construction 1997      
Date Acquired Mar. 13, 2001      
Ft.Myers [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Ft.Myers [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston-Dracut [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 1,035      
Initial Cost to Company, Building, Equipment and Improvements 3,737      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 6,043      
Gross Amount at Which Carried at Close of Period, Land 1,104      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,711      
Gross Amount at Which Carried at Close of Period, Total 10,815      
Accumulated Depreciation $ 1,692      
Date of Construction 1986/2020      
Date Acquired Dec. 01, 2001      
Boston-Dracut [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston-Dracut [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston-Methuen [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 1,024      
Initial Cost to Company, Building, Equipment and Improvements 3,649      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 947      
Gross Amount at Which Carried at Close of Period, Land 1,091      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,529      
Gross Amount at Which Carried at Close of Period, Total 5,620      
Accumulated Depreciation $ 2,125      
Date of Construction 1984      
Date Acquired Dec. 01, 2001      
Boston-Methuen [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston-Methuen [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Myrtle Beach [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST SC      
Initial Cost to Company, Land $ 552      
Initial Cost to Company, Building, Equipment and Improvements 1,970      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,291      
Gross Amount at Which Carried at Close of Period, Land 589      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,224      
Gross Amount at Which Carried at Close of Period, Total 5,813      
Accumulated Depreciation $ 1,471      
Date of Construction 1984/2019      
Date Acquired Dec. 01, 2001      
Myrtle Beach [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Myrtle Beach [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Maine-Saco [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST ME      
Initial Cost to Company, Land $ 534      
Initial Cost to Company, Building, Equipment and Improvements 1,914      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,999      
Gross Amount at Which Carried at Close of Period, Land 938      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,509      
Gross Amount at Which Carried at Close of Period, Total 7,447      
Accumulated Depreciation $ 1,337      
Date of Construction 1988/2019      
Date Acquired Dec. 03, 2001      
Maine-Saco [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Maine-Saco [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston-Plymouth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 1,004      
Initial Cost to Company, Building, Equipment and Improvements 4,584      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,486      
Gross Amount at Which Carried at Close of Period, Land 1,004      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,070      
Gross Amount at Which Carried at Close of Period, Total 8,074      
Accumulated Depreciation $ 3,014      
Date of Construction 1996      
Date Acquired Dec. 19, 2001      
Boston-Plymouth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston-Plymouth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston-Sandwich [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 670      
Initial Cost to Company, Building, Equipment and Improvements 3,060      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 665      
Gross Amount at Which Carried at Close of Period, Land 714      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,681      
Gross Amount at Which Carried at Close of Period, Total 4,395      
Accumulated Depreciation $ 1,731      
Date of Construction 1984      
Date Acquired Dec. 19, 2001      
Boston-Sandwich [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston-Sandwich [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Syracuse [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 294      
Initial Cost to Company, Building, Equipment and Improvements 1,203      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,295      
Gross Amount at Which Carried at Close of Period, Land 327      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,465      
Gross Amount at Which Carried at Close of Period, Total 2,792      
Accumulated Depreciation $ 1,025      
Date of Construction 1987      
Date Acquired Feb. 05, 2002      
Syracuse [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Syracuse [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Fort Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 734      
Initial Cost to Company, Building, Equipment and Improvements 2,956      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,098      
Gross Amount at Which Carried at Close of Period, Land 784      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,004      
Gross Amount at Which Carried at Close of Period, Total 4,788      
Accumulated Depreciation $ 1,805      
Date of Construction 1984      
Date Acquired Feb. 13, 2002      
Dallas-Fort Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Fort Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio-Hunt [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 381      
Initial Cost to Company, Building, Equipment and Improvements 1,545      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 6,737      
Gross Amount at Which Carried at Close of Period, Land 618      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,045      
Gross Amount at Which Carried at Close of Period, Total 8,663      
Accumulated Depreciation $ 2,063      
Date of Construction 1980/17      
Date Acquired Feb. 13, 2002      
San Antonio-Hunt [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio-Hunt [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston Humble [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 919      
Initial Cost to Company, Building, Equipment and Improvements 3,696      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 718      
Gross Amount at Which Carried at Close of Period, Land 852      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,481      
Gross Amount at Which Carried at Close of Period, Total 5,333      
Accumulated Depreciation $ 2,047      
Date of Construction 1998/02      
Date Acquired Jun. 19, 2002      
Houston Humble [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston Humble [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Pasadena [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 612      
Initial Cost to Company, Building, Equipment and Improvements 2,468      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 514      
Gross Amount at Which Carried at Close of Period, Land 612      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,982      
Gross Amount at Which Carried at Close of Period, Total 3,594      
Accumulated Depreciation $ 1,385      
Date of Construction 1999      
Date Acquired Jun. 19, 2002      
Houston-Pasadena [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Pasadena [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Montgomery [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 817      
Initial Cost to Company, Building, Equipment and Improvements 3,286      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,262      
Gross Amount at Which Carried at Close of Period, Land 1,119      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,246      
Gross Amount at Which Carried at Close of Period, Total 6,365      
Accumulated Depreciation $ 2,254      
Date of Construction 1998      
Date Acquired Jun. 19, 2002      
Houston-Montgomery [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Montgomery [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-S. Hwy 6 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 407      
Initial Cost to Company, Building, Equipment and Improvements 1,650      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 901      
Gross Amount at Which Carried at Close of Period, Land 407      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,551      
Gross Amount at Which Carried at Close of Period, Total 2,958      
Accumulated Depreciation $ 1,018      
Date of Construction 1997      
Date Acquired Jun. 19, 2002      
Houston-S. Hwy 6 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-S. Hwy 6 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Beaumont [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 817      
Initial Cost to Company, Building, Equipment and Improvements 3,287      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,571      
Gross Amount at Which Carried at Close of Period, Land 817      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,858      
Gross Amount at Which Carried at Close of Period, Total 7,675      
Accumulated Depreciation $ 2,029      
Date of Construction 1996/17      
Date Acquired Jun. 19, 2002      
Houston-Beaumont [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Beaumont [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
The Hamptons [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 2,207      
Initial Cost to Company, Building, Equipment and Improvements 8,866      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 968      
Gross Amount at Which Carried at Close of Period, Land 2,207      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,834      
Gross Amount at Which Carried at Close of Period, Total 12,041      
Accumulated Depreciation $ 5,452      
Date of Construction 1989/95      
Date Acquired Dec. 16, 2002      
The Hamptons [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
The Hamptons [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
The Hamptons [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 1,131      
Initial Cost to Company, Building, Equipment and Improvements 4,564      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 682      
Gross Amount at Which Carried at Close of Period, Land 1,131      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,246      
Gross Amount at Which Carried at Close of Period, Total 6,377      
Accumulated Depreciation $ 2,366      
Date of Construction 1998      
Date Acquired Dec. 16, 2002      
The Hamptons [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
The Hamptons [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
The Hamptons [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 635      
Initial Cost to Company, Building, Equipment and Improvements 2,918      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 461      
Gross Amount at Which Carried at Close of Period, Land 635      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,379      
Gross Amount at Which Carried at Close of Period, Total 4,014      
Accumulated Depreciation $ 1,540      
Date of Construction 1997      
Date Acquired Dec. 16, 2002      
The Hamptons [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
The Hamptons [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
The Hamptons [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 1,251      
Initial Cost to Company, Building, Equipment and Improvements 5,744      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 976      
Gross Amount at Which Carried at Close of Period, Land 1,252      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,719      
Gross Amount at Which Carried at Close of Period, Total 7,971      
Accumulated Depreciation $ 2,892      
Date of Construction 1994/98      
Date Acquired Dec. 16, 2002      
The Hamptons [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
The Hamptons [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Fort Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,039      
Initial Cost to Company, Building, Equipment and Improvements 4,201      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 502      
Gross Amount at Which Carried at Close of Period, Land 1,039      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,703      
Gross Amount at Which Carried at Close of Period, Total 5,742      
Accumulated Depreciation $ 2,002      
Date of Construction 1995/99      
Date Acquired Aug. 26, 2003      
Dallas-Fort Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Fort Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Fort Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 827      
Initial Cost to Company, Building, Equipment and Improvements 3,776      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 702      
Gross Amount at Which Carried at Close of Period, Land 827      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,478      
Gross Amount at Which Carried at Close of Period, Total 5,305      
Accumulated Depreciation $ 1,886      
Date of Construction 1998/01      
Date Acquired Oct. 01, 2003      
Dallas-Fort Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Fort Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Stamford [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CT      
Initial Cost to Company, Land $ 2,713      
Initial Cost to Company, Building, Equipment and Improvements 11,013      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 903      
Gross Amount at Which Carried at Close of Period, Land 2,713      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 11,916      
Gross Amount at Which Carried at Close of Period, Total 14,629      
Accumulated Depreciation $ 5,158      
Date of Construction 1998      
Date Acquired Mar. 17, 2004      
Stamford [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Stamford [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Tomball [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 773      
Initial Cost to Company, Building, Equipment and Improvements 3,170      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,955      
Gross Amount at Which Carried at Close of Period, Land 773      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,125      
Gross Amount at Which Carried at Close of Period, Total 5,898      
Accumulated Depreciation $ 2,134      
Date of Construction 2000      
Date Acquired May 19, 2004      
Houston-Tomball [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Tomball [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Conroe [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,195      
Initial Cost to Company, Building, Equipment and Improvements 4,877      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 521      
Gross Amount at Which Carried at Close of Period, Land 1,195      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,398      
Gross Amount at Which Carried at Close of Period, Total 6,593      
Accumulated Depreciation $ 2,260      
Date of Construction 2001      
Date Acquired May 19, 2004      
Houston-Conroe [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Conroe [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Spring [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,103      
Initial Cost to Company, Building, Equipment and Improvements 4,550      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,235      
Gross Amount at Which Carried at Close of Period, Land 1,103      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,785      
Gross Amount at Which Carried at Close of Period, Total 6,888      
Accumulated Depreciation $ 2,286      
Date of Construction 2001      
Date Acquired May 19, 2004      
Houston-Spring [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Spring [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Bissonnet [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,061      
Initial Cost to Company, Building, Equipment and Improvements 4,427      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,109      
Gross Amount at Which Carried at Close of Period, Land 1,061      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,536      
Gross Amount at Which Carried at Close of Period, Total 8,597      
Accumulated Depreciation $ 2,977      
Date of Construction 2003      
Date Acquired May 19, 2004      
Houston-Bissonnet [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Bissonnet [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Alvin [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 388      
Initial Cost to Company, Building, Equipment and Improvements 1,640      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,082      
Gross Amount at Which Carried at Close of Period, Land 388      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,722      
Gross Amount at Which Carried at Close of Period, Total 3,110      
Accumulated Depreciation $ 1,112      
Date of Construction 2003      
Date Acquired May 19, 2004      
Houston-Alvin [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Alvin [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Clearwater [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,720      
Initial Cost to Company, Building, Equipment and Improvements 6,986      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 464      
Gross Amount at Which Carried at Close of Period, Land 1,720      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,450      
Gross Amount at Which Carried at Close of Period, Total 9,170      
Accumulated Depreciation $ 3,174      
Date of Construction 2001      
Date Acquired Jun. 03, 2004      
Clearwater [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Clearwater [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Missouri City [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,167      
Initial Cost to Company, Building, Equipment and Improvements 4,744      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,701      
Gross Amount at Which Carried at Close of Period, Land 1,566      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,046      
Gross Amount at Which Carried at Close of Period, Total 9,612      
Accumulated Depreciation $ 3,014      
Date of Construction 1998      
Date Acquired Jun. 23, 2004      
Houston-Missouri City [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Missouri City [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chattanooga-Hixson [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TN      
Initial Cost to Company, Land $ 1,365      
Initial Cost to Company, Building, Equipment and Improvements 5,569      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,248      
Gross Amount at Which Carried at Close of Period, Land 1,365      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,817      
Gross Amount at Which Carried at Close of Period, Total 9,182      
Accumulated Depreciation $ 3,143      
Date of Construction 1998/02      
Date Acquired Aug. 04, 2004      
Chattanooga-Hixson [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chattanooga-Hixson [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin - Round Rock [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 2,047      
Initial Cost to Company, Building, Equipment and Improvements 5,857      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,059      
Gross Amount at Which Carried at Close of Period, Land 1,976      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,987      
Gross Amount at Which Carried at Close of Period, Total 8,963      
Accumulated Depreciation $ 2,914      
Date of Construction 2000      
Date Acquired Aug. 05, 2004      
Austin - Round Rock [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin - Round Rock [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Long Island-Bayshore [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 1,131      
Initial Cost to Company, Building, Equipment and Improvements 4,609      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 301      
Gross Amount at Which Carried at Close of Period, Land 1,131      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,910      
Gross Amount at Which Carried at Close of Period, Total 6,041      
Accumulated Depreciation $ 1,966      
Date of Construction 2003      
Date Acquired Mar. 15, 2005      
Long Island-Bayshore [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Long Island-Bayshore [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Syracuse - Cicero [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 527      
Initial Cost to Company, Building, Equipment and Improvements 2,121      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,378      
Gross Amount at Which Carried at Close of Period, Land 527      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,499      
Gross Amount at Which Carried at Close of Period, Total 6,026      
Accumulated Depreciation $ 1,596      
Date of Construction 1988/02/16      
Date Acquired Mar. 16, 2005      
Syracuse - Cicero [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Syracuse - Cicero [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston-Springfield [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 612      
Initial Cost to Company, Building, Equipment and Improvements 2,501      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 979      
Gross Amount at Which Carried at Close of Period, Land 612      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,480      
Gross Amount at Which Carried at Close of Period, Total 4,092      
Accumulated Depreciation $ 1,211      
Date of Construction 1965/75      
Date Acquired Apr. 12, 2005      
Boston-Springfield [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston-Springfield [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Stamford [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CT      
Initial Cost to Company, Land $ 1,612      
Initial Cost to Company, Building, Equipment and Improvements 6,585      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 436      
Gross Amount at Which Carried at Close of Period, Land 1,612      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,021      
Gross Amount at Which Carried at Close of Period, Total 8,633      
Accumulated Depreciation $ 2,865      
Date of Construction 2002      
Date Acquired Apr. 14, 2005      
Stamford [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Stamford [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Montgomery-Richard [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 1,906      
Initial Cost to Company, Building, Equipment and Improvements 7,726      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 549      
Gross Amount at Which Carried at Close of Period, Land 1,906      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,275      
Gross Amount at Which Carried at Close of Period, Total 10,181      
Accumulated Depreciation $ 3,296      
Date of Construction 1997      
Date Acquired Jun. 01, 2005      
Montgomery-Richard [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Montgomery-Richard [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston - Jones [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,214      
Initial Cost to Company, Building, Equipment and Improvements 4,949      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 956      
Gross Amount at Which Carried at Close of Period, Land 1,215      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,904      
Gross Amount at Which Carried at Close of Period, Total 7,119      
Accumulated Depreciation $ 2,212      
Date of Construction 1997/99      
Date Acquired Jun. 06, 2005      
Houston - Jones [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston - Jones [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston-Oxford [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 470      
Initial Cost to Company, Building, Equipment and Improvements 1,902      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,577      
Gross Amount at Which Carried at Close of Period, Land 470      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,479      
Gross Amount at Which Carried at Close of Period, Total 6,949      
Accumulated Depreciation $ 1,485      
Date of Construction 2002      
Date Acquired Jun. 23, 2005      
Boston-Oxford [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston-Oxford [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin-290E [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 537      
Initial Cost to Company, Building, Equipment and Improvements 2,183      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 6,172      
Gross Amount at Which Carried at Close of Period, Land 491      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,401      
Gross Amount at Which Carried at Close of Period, Total 8,892      
Accumulated Depreciation $ 1,415      
Date of Construction 2003/17      
Date Acquired Jul. 12, 2005      
Austin-290E [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin-290E [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio-Marbach [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 556      
Initial Cost to Company, Building, Equipment and Improvements 2,265      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 809      
Gross Amount at Which Carried at Close of Period, Land 556      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,074      
Gross Amount at Which Carried at Close of Period, Total 3,630      
Accumulated Depreciation $ 1,228      
Date of Construction 2003      
Date Acquired Jul. 12, 2005      
San Antonio-Marbach [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio-Marbach [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin-South 1st [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 754      
Initial Cost to Company, Building, Equipment and Improvements 3,065      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 467      
Gross Amount at Which Carried at Close of Period, Land 754      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,532      
Gross Amount at Which Carried at Close of Period, Total 4,286      
Accumulated Depreciation $ 1,410      
Date of Construction 2003      
Date Acquired Jul. 12, 2005      
Austin-South 1st [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin-South 1st [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta-Marietta [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 811      
Initial Cost to Company, Building, Equipment and Improvements 3,397      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 653      
Gross Amount at Which Carried at Close of Period, Land 811      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,050      
Gross Amount at Which Carried at Close of Period, Total 4,861      
Accumulated Depreciation $ 1,614      
Date of Construction 2003      
Date Acquired Sep. 15, 2005      
Atlanta-Marietta [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta-Marietta [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Baton Rouge [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST LA      
Initial Cost to Company, Land $ 719      
Initial Cost to Company, Building, Equipment and Improvements 2,927      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,743      
Gross Amount at Which Carried at Close of Period, Land 719      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,670      
Gross Amount at Which Carried at Close of Period, Total 6,389      
Accumulated Depreciation $ 1,834      
Date of Construction 1984/94      
Date Acquired Nov. 15, 2005      
Baton Rouge [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Baton Rouge [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Marcos-Hwy 35S [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 628      
Initial Cost to Company, Building, Equipment and Improvements 2,532      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,494      
Gross Amount at Which Carried at Close of Period, Land 982      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,672      
Gross Amount at Which Carried at Close of Period, Total 6,654      
Accumulated Depreciation $ 1,377      
Date of Construction 2001/16      
Date Acquired Jan. 10, 2006      
San Marcos-Hwy 35S [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Marcos-Hwy 35S [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Baytown [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 596      
Initial Cost to Company, Building, Equipment and Improvements 2,411      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 735      
Gross Amount at Which Carried at Close of Period, Land 596      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,146      
Gross Amount at Which Carried at Close of Period, Total 3,742      
Accumulated Depreciation $ 1,078      
Date of Construction 2002      
Date Acquired Jan. 10, 2006      
Houston-Baytown [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Baytown [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Cypress [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 721      
Initial Cost to Company, Building, Equipment and Improvements 2,994      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,530      
Gross Amount at Which Carried at Close of Period, Land 721      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,524      
Gross Amount at Which Carried at Close of Period, Total 6,245      
Accumulated Depreciation $ 1,904      
Date of Construction 2003      
Date Acquired Jan. 13, 2006      
Houston-Cypress [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Cypress [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Rochester [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 937      
Initial Cost to Company, Building, Equipment and Improvements 3,779      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 349      
Gross Amount at Which Carried at Close of Period, Land 937      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,128      
Gross Amount at Which Carried at Close of Period, Total 5,065      
Accumulated Depreciation $ 1,565      
Date of Construction 2002/06      
Date Acquired Feb. 01, 2006      
Rochester [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Rochester [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Manchester [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NH      
Initial Cost to Company, Land $ 832      
Initial Cost to Company, Building, Equipment and Improvements 3,268      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 203      
Gross Amount at Which Carried at Close of Period, Land 832      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,471      
Gross Amount at Which Carried at Close of Period, Total 4,303      
Accumulated Depreciation $ 1,332      
Date of Construction 2000      
Date Acquired Apr. 26, 2006      
Manchester [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Manchester [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Jones Rd 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 707      
Initial Cost to Company, Building, Equipment and Improvements 2,933      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,023      
Gross Amount at Which Carried at Close of Period, Land 707      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,956      
Gross Amount at Which Carried at Close of Period, Total 6,663      
Accumulated Depreciation $ 2,148      
Date of Construction 2000      
Date Acquired Mar. 09, 2006      
Houston-Jones Rd 2 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Jones Rd 2 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Clearwater-Largo [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,270      
Initial Cost to Company, Building, Equipment and Improvements 5,037      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 536      
Gross Amount at Which Carried at Close of Period, Land 1,270      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,573      
Gross Amount at Which Carried at Close of Period, Total 6,843      
Accumulated Depreciation $ 2,092      
Date of Construction 1998      
Date Acquired Jun. 22, 2006      
Clearwater-Largo [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Clearwater-Largo [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Clearwater-Pinellas Park [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 929      
Initial Cost to Company, Building, Equipment and Improvements 3,676      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 399      
Gross Amount at Which Carried at Close of Period, Land 929      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,075      
Gross Amount at Which Carried at Close of Period, Total 5,004      
Accumulated Depreciation $ 1,501      
Date of Construction 2000      
Date Acquired Jun. 22, 2006      
Clearwater-Pinellas Park [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Clearwater-Pinellas Park [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Clearwater-Tarpon Spring [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 696      
Initial Cost to Company, Building, Equipment and Improvements 2,739      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 286      
Gross Amount at Which Carried at Close of Period, Land 696      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,025      
Gross Amount at Which Carried at Close of Period, Total 3,721      
Accumulated Depreciation $ 1,147      
Date of Construction 1999      
Date Acquired Jun. 22, 2006      
Clearwater-Tarpon Spring [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Clearwater-Tarpon Spring [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
New Orleans [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST LA      
Initial Cost to Company, Land $ 1,220      
Initial Cost to Company, Building, Equipment and Improvements 4,805      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 385      
Gross Amount at Which Carried at Close of Period, Land 1,220      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,190      
Gross Amount at Which Carried at Close of Period, Total 6,410      
Accumulated Depreciation $ 1,949      
Date of Construction 2000      
Date Acquired Jun. 22, 2006      
New Orleans [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
New Orleans [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St Louis-Meramec [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 1,113      
Initial Cost to Company, Building, Equipment and Improvements 4,359      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,762      
Gross Amount at Which Carried at Close of Period, Land 1,113      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,121      
Gross Amount at Which Carried at Close of Period, Total 8,234      
Accumulated Depreciation $ 1,755      
Date of Construction 1999/2019      
Date Acquired Jun. 22, 2006      
St Louis-Meramec [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St Louis-Meramec [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St Louis-Charles Rock [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 766      
Initial Cost to Company, Building, Equipment and Improvements 3,040      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,547      
Gross Amount at Which Carried at Close of Period, Land 766      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,587      
Gross Amount at Which Carried at Close of Period, Total 5,353      
Accumulated Depreciation $ 1,468      
Date of Construction 1999      
Date Acquired Jun. 22, 2006      
St Louis-Charles Rock [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St Louis-Charles Rock [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St Louis-Shackelford [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 828      
Initial Cost to Company, Building, Equipment and Improvements 3,290      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 318      
Gross Amount at Which Carried at Close of Period, Land 828      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,608      
Gross Amount at Which Carried at Close of Period, Total 4,436      
Accumulated Depreciation $ 1,349      
Date of Construction 1999      
Date Acquired Jun. 22, 2006      
St Louis-Shackelford [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St Louis-Shackelford [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St Louis-W.Washington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 734      
Initial Cost to Company, Building, Equipment and Improvements 2,867      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,657      
Gross Amount at Which Carried at Close of Period, Land 734      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,524      
Gross Amount at Which Carried at Close of Period, Total 6,258      
Accumulated Depreciation $ 1,712      
Date of Construction 1980/01/15      
Date Acquired Jun. 22, 2006      
St Louis-W.Washington [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St Louis-W.Washington [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St Louis-Howdershell [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 899      
Initial Cost to Company, Building, Equipment and Improvements 3,596      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 393      
Gross Amount at Which Carried at Close of Period, Land 899      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,989      
Gross Amount at Which Carried at Close of Period, Total 4,888      
Accumulated Depreciation $ 1,481      
Date of Construction 2000      
Date Acquired Jun. 22, 2006      
St Louis-Howdershell [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St Louis-Howdershell [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St Louis-Lemay Ferry [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 890      
Initial Cost to Company, Building, Equipment and Improvements 3,552      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 559      
Gross Amount at Which Carried at Close of Period, Land 890      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,111      
Gross Amount at Which Carried at Close of Period, Total 5,001      
Accumulated Depreciation $ 1,517      
Date of Construction 1999      
Date Acquired Jun. 22, 2006      
St Louis-Lemay Ferry [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St Louis-Lemay Ferry [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St Louis-Manchester [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 697      
Initial Cost to Company, Building, Equipment and Improvements 2,711      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 270      
Gross Amount at Which Carried at Close of Period, Land 697      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,981      
Gross Amount at Which Carried at Close of Period, Total 3,678      
Accumulated Depreciation $ 1,114      
Date of Construction 2000      
Date Acquired Jun. 22, 2006      
St Louis-Manchester [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St Louis-Manchester [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Fort Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,256      
Initial Cost to Company, Building, Equipment and Improvements 4,946      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 774      
Gross Amount at Which Carried at Close of Period, Land 1,256      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,720      
Gross Amount at Which Carried at Close of Period, Total 6,976      
Accumulated Depreciation $ 2,082      
Date of Construction 1998/03      
Date Acquired Jun. 22, 2006      
Dallas-Fort Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Fort Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Fort Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 605      
Initial Cost to Company, Building, Equipment and Improvements 2,434      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 421      
Gross Amount at Which Carried at Close of Period, Land 605      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,855      
Gross Amount at Which Carried at Close of Period, Total 3,460      
Accumulated Depreciation $ 999      
Date of Construction 2004      
Date Acquired Jun. 22, 2006      
Dallas-Fort Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Fort Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Fort Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 607      
Initial Cost to Company, Building, Equipment and Improvements 2,428      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 387      
Gross Amount at Which Carried at Close of Period, Land 607      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,815      
Gross Amount at Which Carried at Close of Period, Total 3,422      
Accumulated Depreciation $ 1,024      
Date of Construction 2004      
Date Acquired Jun. 22, 2006      
Dallas-Fort Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Fort Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Fort Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,073      
Initial Cost to Company, Building, Equipment and Improvements 4,276      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 210      
Gross Amount at Which Carried at Close of Period, Land 1,073      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,486      
Gross Amount at Which Carried at Close of Period, Total 5,559      
Accumulated Depreciation $ 1,642      
Date of Construction 2003      
Date Acquired Jun. 22, 2006      
Dallas-Fort Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Fort Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Fort Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 549      
Initial Cost to Company, Building, Equipment and Improvements 2,180      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,229      
Gross Amount at Which Carried at Close of Period, Land 549      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,409      
Gross Amount at Which Carried at Close of Period, Total 3,958      
Accumulated Depreciation $ 1,168      
Date of Construction 1998      
Date Acquired Jun. 22, 2006      
Dallas-Fort Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Fort Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Fort Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 644      
Initial Cost to Company, Building, Equipment and Improvements 2,542      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 428      
Gross Amount at Which Carried at Close of Period, Land 644      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,970      
Gross Amount at Which Carried at Close of Period, Total 3,614      
Accumulated Depreciation $ 1,031      
Date of Construction 1999      
Date Acquired Jun. 22, 2006      
Dallas-Fort Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Fort Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio-Blanco [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 963      
Initial Cost to Company, Building, Equipment and Improvements 3,836      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 329      
Gross Amount at Which Carried at Close of Period, Land 963      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,165      
Gross Amount at Which Carried at Close of Period, Total 5,128      
Accumulated Depreciation $ 1,577      
Date of Construction 2004      
Date Acquired Jun. 22, 2006      
San Antonio-Blanco [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio-Blanco [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio-Broadway [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 773      
Initial Cost to Company, Building, Equipment and Improvements 3,060      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,362      
Gross Amount at Which Carried at Close of Period, Land 773      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,422      
Gross Amount at Which Carried at Close of Period, Total 6,195      
Accumulated Depreciation $ 1,769      
Date of Construction 2000      
Date Acquired Jun. 22, 2006      
San Antonio-Broadway [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio-Broadway [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio-Huebner [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,175      
Initial Cost to Company, Building, Equipment and Improvements 4,624      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 483      
Gross Amount at Which Carried at Close of Period, Land 1,175      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,107      
Gross Amount at Which Carried at Close of Period, Total 6,282      
Accumulated Depreciation $ 1,878      
Date of Construction 1998      
Date Acquired Jun. 22, 2006      
San Antonio-Huebner [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio-Huebner [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Nashua [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NH      
Initial Cost to Company, Land $ 617      
Initial Cost to Company, Building, Equipment and Improvements 2,422      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 782      
Gross Amount at Which Carried at Close of Period, Land 617      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,204      
Gross Amount at Which Carried at Close of Period, Total 3,821      
Accumulated Depreciation $ 1,152      
Date of Construction 1989      
Date Acquired Jun. 29, 2006      
Nashua [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Nashua [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chattanooga-Lee Hwy II [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TN      
Initial Cost to Company, Land $ 619      
Initial Cost to Company, Building, Equipment and Improvements 2,471      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 309      
Gross Amount at Which Carried at Close of Period, Land 619      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,780      
Gross Amount at Which Carried at Close of Period, Total 3,399      
Accumulated Depreciation $ 1,027      
Date of Construction 2002      
Date Acquired Aug. 07, 2006      
Chattanooga-Lee Hwy II [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chattanooga-Lee Hwy II [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Montgomery-E.S.Blvd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 1,158      
Initial Cost to Company, Building, Equipment and Improvements 4,639      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,399      
Gross Amount at Which Carried at Close of Period, Land 1,158      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,038      
Gross Amount at Which Carried at Close of Period, Total 7,196      
Accumulated Depreciation $ 2,190      
Date of Construction 1996/97      
Date Acquired Sep. 28, 2006      
Montgomery-E.S.Blvd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Montgomery-E.S.Blvd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Auburn-Pepperell Pkwy [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 590      
Initial Cost to Company, Building, Equipment and Improvements 2,361      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 735      
Gross Amount at Which Carried at Close of Period, Land 590      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,096      
Gross Amount at Which Carried at Close of Period, Total 3,686      
Accumulated Depreciation $ 1,132      
Date of Construction 1998      
Date Acquired Sep. 28, 2006      
Auburn-Pepperell Pkwy [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Auburn-Pepperell Pkwy [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Auburn-Gatewood Dr [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 694      
Initial Cost to Company, Building, Equipment and Improvements 2,758      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 489      
Gross Amount at Which Carried at Close of Period, Land 694      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,247      
Gross Amount at Which Carried at Close of Period, Total 3,941      
Accumulated Depreciation $ 1,149      
Date of Construction 2002/03      
Date Acquired Sep. 28, 2006      
Auburn-Gatewood Dr [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Auburn-Gatewood Dr [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Columbus-Williams Rd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 736      
Initial Cost to Company, Building, Equipment and Improvements 2,905      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 515      
Gross Amount at Which Carried at Close of Period, Land 736      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,420      
Gross Amount at Which Carried at Close of Period, Total 4,156      
Accumulated Depreciation $ 1,246      
Date of Construction 2002/04/06      
Date Acquired Sep. 28, 2006      
Columbus-Williams Rd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Columbus-Williams Rd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Columbus-Miller Rd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 975      
Initial Cost to Company, Building, Equipment and Improvements 3,854      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,501      
Gross Amount at Which Carried at Close of Period, Land 975      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,355      
Gross Amount at Which Carried at Close of Period, Total 6,330      
Accumulated Depreciation $ 1,659      
Date of Construction 1995      
Date Acquired Sep. 28, 2006      
Columbus-Miller Rd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Columbus-Miller Rd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Columbus-Armour Rd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Building, Equipment and Improvements $ 3,680      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 398      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,078      
Gross Amount at Which Carried at Close of Period, Total 4,078      
Accumulated Depreciation $ 1,493      
Date of Construction 2004/05      
Date Acquired Sep. 28, 2006      
Columbus-Armour Rd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Columbus-Armour Rd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Columbus-Amber Dr [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 439      
Initial Cost to Company, Building, Equipment and Improvements 1,745      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 454      
Gross Amount at Which Carried at Close of Period, Land 439      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,199      
Gross Amount at Which Carried at Close of Period, Total 2,638      
Accumulated Depreciation $ 849      
Date of Construction 1998      
Date Acquired Sep. 28, 2006      
Columbus-Amber Dr [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Columbus-Amber Dr [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Concord [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NH      
Initial Cost to Company, Land $ 813      
Initial Cost to Company, Building, Equipment and Improvements 3,213      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,119      
Gross Amount at Which Carried at Close of Period, Land 813      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,332      
Gross Amount at Which Carried at Close of Period, Total 6,145      
Accumulated Depreciation $ 1,821      
Date of Construction 2000      
Date Acquired Oct. 31, 2006      
Concord [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Concord [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Beaumont [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 929      
Initial Cost to Company, Building, Equipment and Improvements 3,647      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 477      
Gross Amount at Which Carried at Close of Period, Land 930      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,123      
Gross Amount at Which Carried at Close of Period, Total 5,053      
Accumulated Depreciation $ 1,434      
Date of Construction 2002/04      
Date Acquired Mar. 08, 2007      
Houston-Beaumont [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Beaumont [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Beaumont [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,537      
Initial Cost to Company, Building, Equipment and Improvements 6,018      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 914      
Gross Amount at Which Carried at Close of Period, Land 1,537      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,932      
Gross Amount at Which Carried at Close of Period, Total 8,469      
Accumulated Depreciation $ 2,430      
Date of Construction 2003/06      
Date Acquired Mar. 08, 2007      
Houston-Beaumont [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Beaumont [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Buffalo-Langner Rd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 532      
Initial Cost to Company, Building, Equipment and Improvements 2,119      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,763      
Gross Amount at Which Carried at Close of Period, Land 532      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,882      
Gross Amount at Which Carried at Close of Period, Total 6,414      
Accumulated Depreciation $ 1,531      
Date of Construction 1993/07/15      
Date Acquired Mar. 30, 2007      
Buffalo-Langner Rd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Buffalo-Langner Rd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Buffalo-Transit Rd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 437      
Initial Cost to Company, Building, Equipment and Improvements 1,794      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 800      
Gross Amount at Which Carried at Close of Period, Land 437      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,594      
Gross Amount at Which Carried at Close of Period, Total 3,031      
Accumulated Depreciation $ 879      
Date of Construction 1998      
Date Acquired Mar. 30, 2007      
Buffalo-Transit Rd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Buffalo-Transit Rd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Buffalo-Lake Ave [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 638      
Initial Cost to Company, Building, Equipment and Improvements 2,531      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,030      
Gross Amount at Which Carried at Close of Period, Land 638      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,561      
Gross Amount at Which Carried at Close of Period, Total 6,199      
Accumulated Depreciation $ 1,463      
Date of Construction 1997/06      
Date Acquired Mar. 30, 2007      
Buffalo-Lake Ave [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Buffalo-Lake Ave [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Buffalo-Union Rd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 348      
Initial Cost to Company, Building, Equipment and Improvements 1,344      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,807      
Gross Amount at Which Carried at Close of Period, Land 348      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,151      
Gross Amount at Which Carried at Close of Period, Total 5,499      
Accumulated Depreciation $ 835      
Date of Construction 1998/2019      
Date Acquired Mar. 30, 2007      
Buffalo-Union Rd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Buffalo-Union Rd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Buffalo-NF Blvd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 323      
Initial Cost to Company, Building, Equipment and Improvements 1,331      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 268      
Gross Amount at Which Carried at Close of Period, Land 323      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,599      
Gross Amount at Which Carried at Close of Period, Total 1,922      
Accumulated Depreciation $ 609      
Date of Construction 1998      
Date Acquired Mar. 30, 2007      
Buffalo-NF Blvd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Buffalo-NF Blvd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Buffalo Young St [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 315      
Initial Cost to Company, Building, Equipment and Improvements 2,185      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,423      
Gross Amount at Which Carried at Close of Period, Land 881      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,042      
Gross Amount at Which Carried at Close of Period, Total 6,923      
Accumulated Depreciation $ 1,207      
Date of Construction 1999/00/20      
Date Acquired Mar. 30, 2007      
Buffalo Young St [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Buffalo Young St [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Buffalo Sheridan Dr [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 961      
Initial Cost to Company, Building, Equipment and Improvements 3,827      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,703      
Gross Amount at Which Carried at Close of Period, Land 961      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,530      
Gross Amount at Which Carried at Close of Period, Total 7,491      
Accumulated Depreciation $ 2,011      
Date of Construction 1999      
Date Acquired Mar. 30, 2007      
Buffalo Sheridan Dr [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Buffalo Sheridan Dr [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Buffalo Transit Rd One [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 375      
Initial Cost to Company, Building, Equipment and Improvements 1,498      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 896      
Gross Amount at Which Carried at Close of Period, Land 375      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,394      
Gross Amount at Which Carried at Close of Period, Total 2,769      
Accumulated Depreciation $ 773      
Date of Construction 1990/95      
Date Acquired Mar. 30, 2007      
Buffalo Transit Rd One [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Buffalo Transit Rd One [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Rochester Phillips Rd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 1,003      
Initial Cost to Company, Building, Equipment and Improvements 4,002      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 221      
Gross Amount at Which Carried at Close of Period, Land 1,003      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,223      
Gross Amount at Which Carried at Close of Period, Total 5,226      
Accumulated Depreciation $ 1,473      
Date of Construction 1999      
Date Acquired Mar. 30, 2007      
Rochester Phillips Rd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Rochester Phillips Rd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio-Foster [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 676      
Initial Cost to Company, Building, Equipment and Improvements 2,685      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 539      
Gross Amount at Which Carried at Close of Period, Land 676      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,224      
Gross Amount at Which Carried at Close of Period, Total 3,900      
Accumulated Depreciation $ 1,204      
Date of Construction 2003/06      
Date Acquired May 21, 2007      
San Antonio-Foster [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio-Foster [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Huntsville Memorial Pkwy [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 1,607      
Initial Cost to Company, Building, Equipment and Improvements 6,338      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,208      
Gross Amount at Which Carried at Close of Period, Land 1,677      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,476      
Gross Amount at Which Carried at Close of Period, Total 9,153      
Accumulated Depreciation $ 2,570      
Date of Construction 1989/06      
Date Acquired Jun. 01, 2007      
Huntsville Memorial Pkwy [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Huntsville Memorial Pkwy [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Huntsville-Madison 1 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 1,016      
Initial Cost to Company, Building, Equipment and Improvements 4,013      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 518      
Gross Amount at Which Carried at Close of Period, Land 1,017      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,530      
Gross Amount at Which Carried at Close of Period, Total 5,547      
Accumulated Depreciation $ 1,627      
Date of Construction 1993/07      
Date Acquired Jun. 01, 2007      
Huntsville-Madison 1 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Huntsville-Madison 1 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Bilox-Gulfport [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MS      
Initial Cost to Company, Land $ 1,423      
Initial Cost to Company, Building, Equipment and Improvements 5,624      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 288      
Gross Amount at Which Carried at Close of Period, Land 1,423      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,912      
Gross Amount at Which Carried at Close of Period, Total 7,335      
Accumulated Depreciation $ 2,077      
Date of Construction 1998/05      
Date Acquired Jun. 01, 2007      
Bilox-Gulfport [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Bilox-Gulfport [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Huntsville-Hwy 72 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 1,206      
Initial Cost to Company, Building, Equipment and Improvements 4,775      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 548      
Gross Amount at Which Carried at Close of Period, Land 1,206      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,323      
Gross Amount at Which Carried at Close of Period, Total 6,529      
Accumulated Depreciation $ 1,867      
Date of Construction 1998/06      
Date Acquired Jun. 01, 2007      
Huntsville-Hwy 72 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Huntsville-Hwy 72 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Mobile-Airport Blvd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 1,216      
Initial Cost to Company, Building, Equipment and Improvements 4,819      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 485      
Gross Amount at Which Carried at Close of Period, Land 1,216      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,304      
Gross Amount at Which Carried at Close of Period, Total 6,520      
Accumulated Depreciation $ 1,942      
Date of Construction 2000/07      
Date Acquired Jun. 01, 2007      
Mobile-Airport Blvd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Mobile-Airport Blvd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Bilox-Gulfport [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MS      
Initial Cost to Company, Land $ 1,345      
Initial Cost to Company, Building, Equipment and Improvements 5,325      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 191      
Gross Amount at Which Carried at Close of Period, Land 1,301      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,560      
Gross Amount at Which Carried at Close of Period, Total 6,861      
Accumulated Depreciation $ 1,943      
Date of Construction 2002/04      
Date Acquired Jun. 01, 2007      
Bilox-Gulfport [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Bilox-Gulfport [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Huntsville-Madison 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 1,164      
Initial Cost to Company, Building, Equipment and Improvements 4,624      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 398      
Gross Amount at Which Carried at Close of Period, Land 1,164      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,022      
Gross Amount at Which Carried at Close of Period, Total 6,186      
Accumulated Depreciation $ 1,756      
Date of Construction 2002/06      
Date Acquired Jun. 01, 2007      
Huntsville-Madison 2 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Huntsville-Madison 2 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Foley-Hwy 59 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 1,346      
Initial Cost to Company, Building, Equipment and Improvements 5,474      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4,968      
Gross Amount at Which Carried at Close of Period, Land 1,347      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,441      
Gross Amount at Which Carried at Close of Period, Total 11,788      
Accumulated Depreciation $ 2,351      
Date of Construction 2003/06/15      
Date Acquired Jun. 01, 2007      
Foley-Hwy 59 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Foley-Hwy 59 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Pensacola 6-Nine Mile [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,029      
Initial Cost to Company, Building, Equipment and Improvements 4,180      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,292      
Gross Amount at Which Carried at Close of Period, Land 1,029      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,472      
Gross Amount at Which Carried at Close of Period, Total 8,501      
Accumulated Depreciation $ 1,718      
Date of Construction 2003/06/19      
Date Acquired Jun. 01, 2007      
Pensacola 6-Nine Mile [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Pensacola 6-Nine Mile [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Auburn-College St [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 686      
Initial Cost to Company, Building, Equipment and Improvements 2,732      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 363      
Gross Amount at Which Carried at Close of Period, Land 686      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,095      
Gross Amount at Which Carried at Close of Period, Total 3,781      
Accumulated Depreciation $ 1,104      
Date of Construction 2003/20      
Date Acquired Jun. 01, 2007      
Auburn-College St [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Auburn-College St [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Biloxi-Gulfport [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MS      
Initial Cost to Company, Land $ 1,811      
Initial Cost to Company, Building, Equipment and Improvements 7,152      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 229      
Gross Amount at Which Carried at Close of Period, Land 1,811      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,381      
Gross Amount at Which Carried at Close of Period, Total 9,192      
Accumulated Depreciation $ 2,528      
Date of Construction 2004/06      
Date Acquired Jun. 01, 2007      
Biloxi-Gulfport [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Biloxi-Gulfport [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Pensacola 7-Hwy 98 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 732      
Initial Cost to Company, Building, Equipment and Improvements 3,015      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,395      
Gross Amount at Which Carried at Close of Period, Land 732      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,410      
Gross Amount at Which Carried at Close of Period, Total 7,142      
Accumulated Depreciation $ 1,191      
Date of Construction 2006/20      
Date Acquired Jun. 01, 2007      
Pensacola 7-Hwy 98 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Pensacola 7-Hwy 98 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Montgomery-Arrowhead [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 1,075      
Initial Cost to Company, Building, Equipment and Improvements 4,333      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 448      
Gross Amount at Which Carried at Close of Period, Land 1,076      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,780      
Gross Amount at Which Carried at Close of Period, Total 5,856      
Accumulated Depreciation $ 1,657      
Date of Construction 2006      
Date Acquired Jun. 01, 2007      
Montgomery-Arrowhead [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Montgomery-Arrowhead [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Montgomery-Mclemore [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 885      
Initial Cost to Company, Building, Equipment and Improvements 3,586      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 342      
Gross Amount at Which Carried at Close of Period, Land 885      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,928      
Gross Amount at Which Carried at Close of Period, Total 4,813      
Accumulated Depreciation $ 1,359      
Date of Construction 2006      
Date Acquired Jun. 01, 2007      
Montgomery-Mclemore [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Montgomery-Mclemore [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Beaumont [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 742      
Initial Cost to Company, Building, Equipment and Improvements 3,024      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 386      
Gross Amount at Which Carried at Close of Period, Land 742      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,410      
Gross Amount at Which Carried at Close of Period, Total 4,152      
Accumulated Depreciation $ 1,159      
Date of Construction 2002/05      
Date Acquired Nov. 14, 2007      
Houston-Beaumont [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Beaumont [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Biloxi Ginger [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MS      
Initial Cost to Company, Land $ 384      
Initial Cost to Company, Building, Equipment and Improvements 1,548      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 236      
Gross Amount at Which Carried at Close of Period, Land 384      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,784      
Gross Amount at Which Carried at Close of Period, Total 2,168      
Accumulated Depreciation $ 572      
Date of Construction 2000      
Date Acquired Dec. 19, 2007      
Biloxi Ginger [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Biloxi Ginger [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Foley7905 St Hwy59 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AL      
Initial Cost to Company, Land $ 437      
Initial Cost to Company, Building, Equipment and Improvements 1,757      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 203      
Gross Amount at Which Carried at Close of Period, Land 437      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 1,960      
Gross Amount at Which Carried at Close of Period, Total 2,397      
Accumulated Depreciation $ 654      
Date of Construction 2000      
Date Acquired Dec. 19, 2007      
Foley7905 St Hwy59 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Foley7905 St Hwy59 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cincinnati-Robertson [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 852      
Initial Cost to Company, Building, Equipment and Improvements 3,409      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 404      
Gross Amount at Which Carried at Close of Period, Land 852      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,813      
Gross Amount at Which Carried at Close of Period, Total 4,665      
Accumulated Depreciation $ 1,158      
Date of Construction 2003/04      
Date Acquired Dec. 31, 2008      
Cincinnati-Robertson [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cincinnati-Robertson [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Richmond-Bridge Rd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 1,047      
Initial Cost to Company, Building, Equipment and Improvements 5,981      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,773      
Gross Amount at Which Carried at Close of Period, Land 1,047      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,754      
Gross Amount at Which Carried at Close of Period, Total 9,801      
Accumulated Depreciation $ 2,285      
Date of Construction 2009/16      
Date Acquired Oct. 01, 2009      
Richmond-Bridge Rd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Richmond-Bridge Rd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Raleigh-Durham [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 846      
Initial Cost to Company, Building, Equipment and Improvements 4,095      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 326      
Gross Amount at Which Carried at Close of Period, Land 846      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,421      
Gross Amount at Which Carried at Close of Period, Total 5,267      
Accumulated Depreciation $ 1,193      
Date of Construction 2000      
Date Acquired Dec. 28, 2010      
Raleigh-Durham [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Raleigh-Durham [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Charlotte-Wallace [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 961      
Initial Cost to Company, Building, Equipment and Improvements 3,702      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,394      
Gross Amount at Which Carried at Close of Period, Land 961      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,096      
Gross Amount at Which Carried at Close of Period, Total 6,057      
Accumulated Depreciation $ 1,212      
Date of Construction 2008/16      
Date Acquired Dec. 29, 2010      
Charlotte-Wallace [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charlotte-Wallace [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Raleigh-Durham [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 574      
Initial Cost to Company, Building, Equipment and Improvements 3,975      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 361      
Gross Amount at Which Carried at Close of Period, Land 575      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,335      
Gross Amount at Which Carried at Close of Period, Total 4,910      
Accumulated Depreciation $ 1,119      
Date of Construction 2008      
Date Acquired Dec. 29, 2010      
Raleigh-Durham [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Raleigh-Durham [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Charlotte-Westmoreland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 513      
Initial Cost to Company, Building, Equipment and Improvements 5,317      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 135      
Gross Amount at Which Carried at Close of Period, Land 513      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,452      
Gross Amount at Which Carried at Close of Period, Total 5,965      
Accumulated Depreciation $ 1,390      
Date of Construction 2009      
Date Acquired Dec. 29, 2010      
Charlotte-Westmoreland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charlotte-Westmoreland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Charlotte-Matthews [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 1,129      
Initial Cost to Company, Building, Equipment and Improvements 4,767      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 221      
Gross Amount at Which Carried at Close of Period, Land 1,129      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,988      
Gross Amount at Which Carried at Close of Period, Total 6,117      
Accumulated Depreciation $ 1,323      
Date of Construction 2009      
Date Acquired Dec. 29, 2010      
Charlotte-Matthews [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charlotte-Matthews [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Raleigh-Durham [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 381      
Initial Cost to Company, Building, Equipment and Improvements 3,575      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 178      
Gross Amount at Which Carried at Close of Period, Land 381      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,753      
Gross Amount at Which Carried at Close of Period, Total 4,134      
Accumulated Depreciation $ 979      
Date of Construction 2008      
Date Acquired Dec. 29, 2010      
Raleigh-Durham [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Raleigh-Durham [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Charlotte-Zeb Morris [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 965      
Initial Cost to Company, Building, Equipment and Improvements 3,355      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 231      
Gross Amount at Which Carried at Close of Period, Land 965      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,586      
Gross Amount at Which Carried at Close of Period, Total 4,551      
Accumulated Depreciation $ 927      
Date of Construction 2007      
Date Acquired Dec. 29, 2010      
Charlotte-Zeb Morris [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charlotte-Zeb Morris [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Fair Lawn [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 796      
Initial Cost to Company, Building, Equipment and Improvements 9,467      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 501      
Gross Amount at Which Carried at Close of Period, Land 796      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,968      
Gross Amount at Which Carried at Close of Period, Total 10,764      
Accumulated Depreciation $ 2,453      
Date of Construction 1999      
Date Acquired Jul. 14, 2011      
Fair Lawn [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Fair Lawn [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Elizabeth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 885      
Initial Cost to Company, Building, Equipment and Improvements 3,073      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 903      
Gross Amount at Which Carried at Close of Period, Land 885      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,976      
Gross Amount at Which Carried at Close of Period, Total 4,861      
Accumulated Depreciation $ 919      
Date of Construction 1988      
Date Acquired Jul. 14, 2011      
Elizabeth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Elizabeth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Saint Louis-High Ridge [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 197      
Initial Cost to Company, Building, Equipment and Improvements 2,132      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 128      
Gross Amount at Which Carried at Close of Period, Land 197      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,260      
Gross Amount at Which Carried at Close of Period, Total 2,457      
Accumulated Depreciation $ 671      
Date of Construction 2007      
Date Acquired Jul. 28, 2011      
Saint Louis-High Ridge [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Saint Louis-High Ridge [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta-Decatur [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 1,043      
Initial Cost to Company, Building, Equipment and Improvements 8,252      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 166      
Gross Amount at Which Carried at Close of Period, Land 1,043      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,418      
Gross Amount at Which Carried at Close of Period, Total 9,461      
Accumulated Depreciation $ 2,035      
Date of Construction 2006      
Date Acquired Aug. 17, 2011      
Atlanta-Decatur [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta-Decatur [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Humble [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 825      
Initial Cost to Company, Building, Equipment and Improvements 4,201      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 619      
Gross Amount at Which Carried at Close of Period, Land 825      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,820      
Gross Amount at Which Carried at Close of Period, Total 5,645      
Accumulated Depreciation $ 1,213      
Date of Construction 1993      
Date Acquired Sep. 22, 2011      
Houston-Humble [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Humble [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas-Fort Worth [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 693      
Initial Cost to Company, Building, Equipment and Improvements 3,552      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 444      
Gross Amount at Which Carried at Close of Period, Land 693      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,996      
Gross Amount at Which Carried at Close of Period, Total 4,689      
Accumulated Depreciation $ 992      
Date of Construction 2001      
Date Acquired Sep. 22, 2011      
Dallas-Fort Worth [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas-Fort Worth [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Hwy 6N [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,243      
Initial Cost to Company, Building, Equipment and Improvements 3,106      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 246      
Gross Amount at Which Carried at Close of Period, Land 1,243      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,352      
Gross Amount at Which Carried at Close of Period, Total 4,595      
Accumulated Depreciation $ 916      
Date of Construction 2000      
Date Acquired Sep. 22, 2011      
Houston-Hwy 6N [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Hwy 6N [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Katy [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 691      
Initial Cost to Company, Building, Equipment and Improvements 4,435      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,525      
Gross Amount at Which Carried at Close of Period, Land 691      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,960      
Gross Amount at Which Carried at Close of Period, Total 7,651      
Accumulated Depreciation $ 1,606      
Date of Construction 2000/15      
Date Acquired Sep. 22, 2011      
Houston-Katy [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Katy [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Deer Park [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,012      
Initial Cost to Company, Building, Equipment and Improvements 3,312      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 314      
Gross Amount at Which Carried at Close of Period, Land 1,012      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,626      
Gross Amount at Which Carried at Close of Period, Total 4,638      
Accumulated Depreciation $ 925      
Date of Construction 1998      
Date Acquired Sep. 22, 2011      
Houston-Deer Park [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Deer Park [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-W.Little York [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 575      
Initial Cost to Company, Building, Equipment and Improvements 3,557      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 490      
Gross Amount at Which Carried at Close of Period, Land 575      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,047      
Gross Amount at Which Carried at Close of Period, Total 4,622      
Accumulated Depreciation $ 1,046      
Date of Construction 1998      
Date Acquired Sep. 22, 2011      
Houston-W.Little York [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-W.Little York [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Friendswood [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,168      
Initial Cost to Company, Building, Equipment and Improvements 2,315      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 441      
Gross Amount at Which Carried at Close of Period, Land 1,168      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,756      
Gross Amount at Which Carried at Close of Period, Total 3,924      
Accumulated Depreciation $ 702      
Date of Construction 1994      
Date Acquired Sep. 22, 2011      
Houston-Friendswood [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Friendswood [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Spring [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 2,152      
Initial Cost to Company, Building, Equipment and Improvements 3,027      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 389      
Gross Amount at Which Carried at Close of Period, Land 2,152      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,416      
Gross Amount at Which Carried at Close of Period, Total 5,568      
Accumulated Depreciation $ 956      
Date of Construction 1993      
Date Acquired Sep. 22, 2011      
Houston-Spring [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Spring [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-W.Sam Houston        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 402      
Initial Cost to Company, Building, Equipment and Improvements 3,602      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 344      
Gross Amount at Which Carried at Close of Period, Land 402      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,946      
Gross Amount at Which Carried at Close of Period, Total 4,348      
Accumulated Depreciation $ 1,011      
Date of Construction 1999      
Date Acquired Sep. 22, 2011      
Houston-W.Sam Houston | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-W.Sam Houston | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin-Pond Springs Rd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,653      
Initial Cost to Company, Building, Equipment and Improvements 4,947      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 560      
Gross Amount at Which Carried at Close of Period, Land 1,653      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,507      
Gross Amount at Which Carried at Close of Period, Total 7,160      
Accumulated Depreciation $ 1,409      
Date of Construction 1984      
Date Acquired Sep. 22, 2011      
Austin-Pond Springs Rd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin-Pond Springs Rd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin-Round Rock [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 177      
Initial Cost to Company, Building, Equipment and Improvements 3,223      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 258      
Gross Amount at Which Carried at Close of Period, Land 177      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,481      
Gross Amount at Which Carried at Close of Period, Total 3,658      
Accumulated Depreciation $ 907      
Date of Construction 1999      
Date Acquired Sep. 22, 2011      
Austin-Round Rock [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin-Round Rock [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Silverado Dr [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,438      
Initial Cost to Company, Building, Equipment and Improvements 4,583      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 332      
Gross Amount at Which Carried at Close of Period, Land 1,438      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,915      
Gross Amount at Which Carried at Close of Period, Total 6,353      
Accumulated Depreciation $ 1,243      
Date of Construction 2000      
Date Acquired Sep. 22, 2011      
Houston-Silverado Dr [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Silverado Dr [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Sugarland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 272      
Initial Cost to Company, Building, Equipment and Improvements 3,236      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 259      
Gross Amount at Which Carried at Close of Period, Land 272      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,495      
Gross Amount at Which Carried at Close of Period, Total 3,767      
Accumulated Depreciation $ 941      
Date of Construction 2001      
Date Acquired Sep. 22, 2011      
Houston-Sugarland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Sugarland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Wilcrest Dr [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,478      
Initial Cost to Company, Building, Equipment and Improvements 4,145      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 289      
Gross Amount at Which Carried at Close of Period, Land 1,478      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,434      
Gross Amount at Which Carried at Close of Period, Total 5,912      
Accumulated Depreciation $ 1,119      
Date of Construction 1999      
Date Acquired Sep. 22, 2011      
Houston-Wilcrest Dr [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Wilcrest Dr [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Woodlands [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,315      
Initial Cost to Company, Building, Equipment and Improvements 6,142      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 361      
Gross Amount at Which Carried at Close of Period, Land 1,315      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,503      
Gross Amount at Which Carried at Close of Period, Total 7,818      
Accumulated Depreciation $ 1,573      
Date of Construction 1997      
Date Acquired Sep. 22, 2011      
Houston-Woodlands [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Woodlands [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Woodlands [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 3,189      
Initial Cost to Company, Building, Equipment and Improvements 3,974      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 251      
Gross Amount at Which Carried at Close of Period, Land 3,189      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,225      
Gross Amount at Which Carried at Close of Period, Total 7,414      
Accumulated Depreciation $ 1,060      
Date of Construction 2000      
Date Acquired Sep. 22, 2011      
Houston-Woodlands [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Woodlands [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Katy Freeway [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,049      
Initial Cost to Company, Building, Equipment and Improvements 5,175      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 611      
Gross Amount at Which Carried at Close of Period, Land 1,049      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,786      
Gross Amount at Which Carried at Close of Period, Total 6,835      
Accumulated Depreciation $ 1,472      
Date of Construction 1999      
Date Acquired Sep. 22, 2011      
Houston-Katy Freeway [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Katy Freeway [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston-Webster [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Encumbrance $ 1,190      
Initial Cost to Company, Land 2,054      
Initial Cost to Company, Building, Equipment and Improvements 2,138      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,198      
Gross Amount at Which Carried at Close of Period, Land 2,054      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,336      
Gross Amount at Which Carried at Close of Period, Total 7,390      
Accumulated Depreciation $ 948      
Date of Construction 1982/17      
Date Acquired Sep. 22, 2011      
Houston-Webster [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston-Webster [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Newport News-Brick Kiln [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 2,848      
Initial Cost to Company, Building, Equipment and Improvements 5,892      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 157      
Gross Amount at Which Carried at Close of Period, Land 2,848      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,049      
Gross Amount at Which Carried at Close of Period, Total 8,897      
Accumulated Depreciation $ 1,529      
Date of Construction 2004      
Date Acquired Sep. 29, 2011      
Newport News-Brick Kiln [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Newport News-Brick Kiln [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Penasacola-Palafox [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 197      
Initial Cost to Company, Building, Equipment and Improvements 4,281      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 790      
Gross Amount at Which Carried at Close of Period, Land 197      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,071      
Gross Amount at Which Carried at Close of Period, Total 5,268      
Accumulated Depreciation $ 5,073      
Date of Construction 1996      
Date Acquired Nov. 15, 2011      
Penasacola-Palafox [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Penasacola-Palafox [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Miami [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 2,960      
Initial Cost to Company, Building, Equipment and Improvements 12,077      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 474      
Gross Amount at Which Carried at Close of Period, Land 2,960      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,551      
Gross Amount at Which Carried at Close of Period, Total 15,511      
Accumulated Depreciation $ 2,771      
Date of Construction 2005      
Date Acquired May 16, 2012      
Miami [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Miami [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Lake Forest [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,932      
Initial Cost to Company, Building, Equipment and Improvements 11,606      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 317      
Gross Amount at Which Carried at Close of Period, Land 1,932      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 11,923      
Gross Amount at Which Carried at Close of Period, Total 13,855      
Accumulated Depreciation $ 2,612      
Date of Construction 1996/04      
Date Acquired Jun. 06, 2012      
Chicago - Lake Forest [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Lake Forest [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Schaumburg [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,940      
Initial Cost to Company, Building, Equipment and Improvements 4,880      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 480      
Gross Amount at Which Carried at Close of Period, Land 1,940      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,360      
Gross Amount at Which Carried at Close of Period, Total 7,300      
Accumulated Depreciation $ 1,206      
Date of Construction 1998      
Date Acquired Jun. 06, 2012      
Chicago - Schaumburg [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Schaumburg [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Norfolk - E. Little Creek [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 911      
Initial Cost to Company, Building, Equipment and Improvements 5,862      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 141      
Gross Amount at Which Carried at Close of Period, Land 911      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,003      
Gross Amount at Which Carried at Close of Period, Total 6,914      
Accumulated Depreciation $ 1,349      
Date of Construction 2007      
Date Acquired Jun. 20, 2012      
Norfolk - E. Little Creek [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Norfolk - E. Little Creek [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta-14th St. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 1,560      
Initial Cost to Company, Building, Equipment and Improvements 6,766      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 118      
Gross Amount at Which Carried at Close of Period, Land 1,560      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,884      
Gross Amount at Which Carried at Close of Period, Total 8,444      
Accumulated Depreciation $ 1,540      
Date of Construction 2009      
Date Acquired Jul. 18, 2012      
Atlanta-14th St. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta-14th St. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Jacksonville - Middleburg [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 644      
Initial Cost to Company, Building, Equipment and Improvements 5,719      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 126      
Gross Amount at Which Carried at Close of Period, Land 644      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,845      
Gross Amount at Which Carried at Close of Period, Total 6,489      
Accumulated Depreciation $ 1,273      
Date of Construction 2008      
Date Acquired Sep. 18, 2012      
Jacksonville - Middleburg [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Jacksonville - Middleburg [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Jacksonville - Orange Park [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 772      
Initial Cost to Company, Building, Equipment and Improvements 3,882      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 119      
Gross Amount at Which Carried at Close of Period, Land 772      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,001      
Gross Amount at Which Carried at Close of Period, Total 4,773      
Accumulated Depreciation $ 887      
Date of Construction 2007      
Date Acquired Sep. 18, 2012      
Jacksonville - Orange Park [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Jacksonville - Orange Park [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Jacksonville - St. Augustine [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 739      
Initial Cost to Company, Building, Equipment and Improvements 3,858      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 224      
Gross Amount at Which Carried at Close of Period, Land 739      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,082      
Gross Amount at Which Carried at Close of Period, Total 4,821      
Accumulated Depreciation $ 915      
Date of Construction 2007      
Date Acquired Sep. 18, 2012      
Jacksonville - St. Augustine [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Jacksonville - St. Augustine [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta - NE Expressway [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 1,384      
Initial Cost to Company, Building, Equipment and Improvements 9,266      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 92      
Gross Amount at Which Carried at Close of Period, Land 1,384      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,358      
Gross Amount at Which Carried at Close of Period, Total 10,742      
Accumulated Depreciation $ 2,036      
Date of Construction 2009      
Date Acquired Sep. 18, 2012      
Atlanta - NE Expressway [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta - NE Expressway [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta - Kennesaw [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 856      
Initial Cost to Company, Building, Equipment and Improvements 4,315      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 140      
Gross Amount at Which Carried at Close of Period, Land 856      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,455      
Gross Amount at Which Carried at Close of Period, Total 5,311      
Accumulated Depreciation $ 970      
Date of Construction 2008      
Date Acquired Sep. 18, 2012      
Atlanta - Kennesaw [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta - Kennesaw [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta - Lawrenceville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 855      
Initial Cost to Company, Building, Equipment and Improvements 3,838      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 163      
Gross Amount at Which Carried at Close of Period, Land 855      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,001      
Gross Amount at Which Carried at Close of Period, Total 4,856      
Accumulated Depreciation $ 878      
Date of Construction 2007      
Date Acquired Sep. 18, 2012      
Atlanta - Lawrenceville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta - Lawrenceville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Raleigh-Durham [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 2,337      
Initial Cost to Company, Building, Equipment and Improvements 4,901      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 345      
Gross Amount at Which Carried at Close of Period, Land 2,337      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,246      
Gross Amount at Which Carried at Close of Period, Total 7,583      
Accumulated Depreciation $ 1,174      
Date of Construction 2002      
Date Acquired Sep. 19, 2012      
Raleigh-Durham [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Raleigh-Durham [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta - Woodstock [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 1,342      
Initial Cost to Company, Building, Equipment and Improvements 4,692      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 205      
Gross Amount at Which Carried at Close of Period, Land 1,342      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,897      
Gross Amount at Which Carried at Close of Period, Total 6,239      
Accumulated Depreciation $ 1,078      
Date of Construction 2009      
Date Acquired Sep. 18, 2012      
Atlanta - Woodstock [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta - Woodstock [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Lindenhurst [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,213      
Initial Cost to Company, Building, Equipment and Improvements 3,129      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 298      
Gross Amount at Which Carried at Close of Period, Land 1,213      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,427      
Gross Amount at Which Carried at Close of Period, Total 4,640      
Accumulated Depreciation $ 783      
Date of Construction 1999/06      
Date Acquired Sep. 27, 2012      
Chicago - Lindenhurst [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Lindenhurst [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Orland Park [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,050      
Initial Cost to Company, Building, Equipment and Improvements 5,894      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 239      
Gross Amount at Which Carried at Close of Period, Land 1,050      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,133      
Gross Amount at Which Carried at Close of Period, Total 7,183      
Accumulated Depreciation $ 1,343      
Date of Construction 2007      
Date Acquired Dec. 10, 2012      
Chicago - Orland Park [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Orland Park [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Phoenix-83rd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AZ      
Initial Cost to Company, Land $ 910      
Initial Cost to Company, Building, Equipment and Improvements 3,656      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 349      
Gross Amount at Which Carried at Close of Period, Land 910      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,005      
Gross Amount at Which Carried at Close of Period, Total 4,915      
Accumulated Depreciation $ 890      
Date of Construction 2008      
Date Acquired Dec. 18, 2012      
Phoenix-83rd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Phoenix-83rd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago-North Austin [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 2,593      
Initial Cost to Company, Building, Equipment and Improvements 5,029      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,486      
Gross Amount at Which Carried at Close of Period, Land 2,593      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,515      
Gross Amount at Which Carried at Close of Period, Total 9,108      
Accumulated Depreciation $ 1,145      
Date of Construction 2005/20      
Date Acquired Dec. 20, 2012      
Chicago-North Austin [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago-North Austin [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago-North Western [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,718      
Initial Cost to Company, Building, Equipment and Improvements 6,466      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 796      
Gross Amount at Which Carried at Close of Period, Land 1,798      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,182      
Gross Amount at Which Carried at Close of Period, Total 8,980      
Accumulated Depreciation $ 1,444      
Date of Construction 2005      
Date Acquired Dec. 20, 2012      
Chicago-North Western [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago-North Western [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago-West Pershing [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 395      
Initial Cost to Company, Building, Equipment and Improvements 3,226      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 247      
Gross Amount at Which Carried at Close of Period, Land 395      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,473      
Gross Amount at Which Carried at Close of Period, Total 3,868      
Accumulated Depreciation $ 720      
Date of Construction 2008      
Date Acquired Dec. 20, 2012      
Chicago-West Pershing [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago-West Pershing [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - North Broadway [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 2,373      
Initial Cost to Company, Building, Equipment and Improvements 9,869      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 225      
Gross Amount at Which Carried at Close of Period, Land 2,373      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,094      
Gross Amount at Which Carried at Close of Period, Total 12,467      
Accumulated Depreciation $ 2,046      
Date of Construction 2011      
Date Acquired Dec. 20, 2012      
Chicago - North Broadway [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - North Broadway [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Brandenton [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,501      
Initial Cost to Company, Building, Equipment and Improvements 3,775      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 260      
Gross Amount at Which Carried at Close of Period, Land 1,501      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,035      
Gross Amount at Which Carried at Close of Period, Total 5,536      
Accumulated Depreciation $ 887      
Date of Construction 1997      
Date Acquired Dec. 21, 2012      
Brandenton [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Brandenton [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Ft. Myers-Cleveland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 515      
Initial Cost to Company, Building, Equipment and Improvements 2,280      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 167      
Gross Amount at Which Carried at Close of Period, Land 515      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,447      
Gross Amount at Which Carried at Close of Period, Total 2,962      
Accumulated Depreciation $ 554      
Date of Construction 1998      
Date Acquired Dec. 21, 2012      
Ft. Myers-Cleveland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Ft. Myers-Cleveland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Clearwater-Drew St. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,234      
Initial Cost to Company, Building, Equipment and Improvements 4,018      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 375      
Gross Amount at Which Carried at Close of Period, Land 1,234      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,393      
Gross Amount at Which Carried at Close of Period, Total 5,627      
Accumulated Depreciation $ 935      
Date of Construction 2000      
Date Acquired Dec. 21, 2012      
Clearwater-Drew St. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Clearwater-Drew St. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Clearwater-N. Myrtle [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,555      
Initial Cost to Company, Building, Equipment and Improvements 5,978      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 195      
Gross Amount at Which Carried at Close of Period, Land 1,555      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,173      
Gross Amount at Which Carried at Close of Period, Total 7,728      
Accumulated Depreciation $ 1,322      
Date of Construction 2000      
Date Acquired Dec. 21, 2012      
Clearwater-N. Myrtle [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Clearwater-N. Myrtle [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin-Round Rock [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 774      
Initial Cost to Company, Building, Equipment and Improvements 3,327      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 303      
Gross Amount at Which Carried at Close of Period, Land 774      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,630      
Gross Amount at Which Carried at Close of Period, Total 4,404      
Accumulated Depreciation $ 794      
Date of Construction 2004      
Date Acquired Dec. 27, 2012      
Austin-Round Rock [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin-Round Rock [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin-Round Rock [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 632      
Initial Cost to Company, Building, Equipment and Improvements 1,985      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 308      
Gross Amount at Which Carried at Close of Period, Land 632      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,293      
Gross Amount at Which Carried at Close of Period, Total 2,925      
Accumulated Depreciation $ 528      
Date of Construction 2007      
Date Acquired Dec. 27, 2012      
Austin-Round Rock [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin-Round Rock [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago-Aurora [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 269      
Initial Cost to Company, Building, Equipment and Improvements 3,126      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 570      
Gross Amount at Which Carried at Close of Period, Land 269      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,696      
Gross Amount at Which Carried at Close of Period, Total 3,965      
Accumulated Depreciation $ 728      
Date of Construction 2010      
Date Acquired Dec. 31, 2012      
Chicago-Aurora [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago-Aurora [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio - Marbach [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 337      
Initial Cost to Company, Building, Equipment and Improvements 2,005      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 290      
Gross Amount at Which Carried at Close of Period, Land 337      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,295      
Gross Amount at Which Carried at Close of Period, Total 2,632      
Accumulated Depreciation $ 513      
Date of Construction 2005      
Date Acquired Feb. 11, 2013      
San Antonio - Marbach [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio - Marbach [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Long Island - Lindenhurst [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 2,122      
Initial Cost to Company, Building, Equipment and Improvements 8,735      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 593      
Gross Amount at Which Carried at Close of Period, Land 2,122      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,328      
Gross Amount at Which Carried at Close of Period, Total 11,450      
Accumulated Depreciation $ 1,829      
Date of Construction 2002      
Date Acquired Mar. 22, 2013      
Long Island - Lindenhurst [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Long Island - Lindenhurst [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston - Somerville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 1,553      
Initial Cost to Company, Building, Equipment and Improvements 7,186      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 225      
Gross Amount at Which Carried at Close of Period, Land 1,506      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,458      
Gross Amount at Which Carried at Close of Period, Total 8,964      
Accumulated Depreciation $ 1,462      
Date of Construction 2008      
Date Acquired Mar. 22, 2013      
Boston - Somerville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston - Somerville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Long Island - Deer Park [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 1,096      
Initial Cost to Company, Building, Equipment and Improvements 8,276      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 172      
Gross Amount at Which Carried at Close of Period, Land 1,096      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,448      
Gross Amount at Which Carried at Close of Period, Total 9,544      
Accumulated Depreciation $ 1,626      
Date of Construction 2009      
Date Acquired Aug. 29, 2013      
Long Island - Deer Park [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Long Island - Deer Park [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Long Island - Amityville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 2,224      
Initial Cost to Company, Building, Equipment and Improvements 10,102      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 133      
Gross Amount at Which Carried at Close of Period, Land 2,224      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,235      
Gross Amount at Which Carried at Close of Period, Total 12,459      
Accumulated Depreciation $ 1,949      
Date of Construction 2009      
Date Acquired Aug. 29, 2013      
Long Island - Amityville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Long Island - Amityville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Colorado Springs - Scarlet [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CO      
Initial Cost to Company, Land $ 629      
Initial Cost to Company, Building, Equipment and Improvements 5,201      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 246      
Gross Amount at Which Carried at Close of Period, Land 629      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,447      
Gross Amount at Which Carried at Close of Period, Total 6,076      
Accumulated Depreciation $ 1,014      
Date of Construction 2006      
Date Acquired Sep. 30, 2013      
Colorado Springs - Scarlet [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Colorado Springs - Scarlet [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Toms River - Route 37 W [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 1,843      
Initial Cost to Company, Building, Equipment and Improvements 6,544      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 244      
Gross Amount at Which Carried at Close of Period, Land 1,843      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,788      
Gross Amount at Which Carried at Close of Period, Total 8,631      
Accumulated Depreciation $ 1,246      
Date of Construction 2007      
Date Acquired Nov. 26, 2013      
Toms River - Route 37 W [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Toms River - Route 37 W [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Lake Worth - S Military [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 868      
Initial Cost to Company, Building, Equipment and Improvements 5,306      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 841      
Gross Amount at Which Carried at Close of Period, Land 868      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,147      
Gross Amount at Which Carried at Close of Period, Total 7,015      
Accumulated Depreciation $ 1,135      
Date of Construction 2000      
Date Acquired Dec. 04, 2013      
Lake Worth - S Military [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Lake Worth - S Military [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin-Round Rock [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,547      
Initial Cost to Company, Building, Equipment and Improvements 5,226      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 310      
Gross Amount at Which Carried at Close of Period, Land 1,547      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,536      
Gross Amount at Which Carried at Close of Period, Total 7,083      
Accumulated Depreciation $ 1,115      
Date of Construction 2008      
Date Acquired Dec. 27, 2013      
Austin-Round Rock [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin-Round Rock [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Hartford-Bristol [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CT      
Initial Cost to Company, Land $ 1,174      
Initial Cost to Company, Building, Equipment and Improvements 8,816      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 147      
Gross Amount at Which Carried at Close of Period, Land 1,174      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,963      
Gross Amount at Which Carried at Close of Period, Total 10,137      
Accumulated Depreciation $ 1,593      
Date of Construction 2004      
Date Acquired Dec. 30, 2013      
Hartford-Bristol [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Hartford-Bristol [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Piscataway - New Brunswick [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 1,639      
Initial Cost to Company, Building, Equipment and Improvements 10,946      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 172      
Gross Amount at Which Carried at Close of Period, Land 1,639      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 11,118      
Gross Amount at Which Carried at Close of Period, Total 12,757      
Accumulated Depreciation $ 1,962      
Date of Construction 2006      
Date Acquired Dec. 30, 2013      
Piscataway - New Brunswick [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Piscataway - New Brunswick [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Fort Lauderdale - 3rd Ave [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 7,629      
Initial Cost to Company, Building, Equipment and Improvements 11,918      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 976      
Gross Amount at Which Carried at Close of Period, Land 7,629      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,894      
Gross Amount at Which Carried at Close of Period, Total 20,523      
Accumulated Depreciation $ 2,289      
Date of Construction 1998      
Date Acquired Jan. 09, 2014      
Fort Lauderdale - 3rd Ave [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Fort Lauderdale - 3rd Ave [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
West Palm - Mercer [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 15,680      
Initial Cost to Company, Building, Equipment and Improvements 17,520      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,368      
Gross Amount at Which Carried at Close of Period, Land 15,680      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 18,888      
Gross Amount at Which Carried at Close of Period, Total 34,568      
Accumulated Depreciation $ 3,402      
Date of Construction 2000      
Date Acquired Jan. 09, 2014      
West Palm - Mercer [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
West Palm - Mercer [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin - Manchaca [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 3,999      
Initial Cost to Company, Building, Equipment and Improvements 4,297      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 801      
Gross Amount at Which Carried at Close of Period, Land 3,999      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,098      
Gross Amount at Which Carried at Close of Period, Total 9,097      
Accumulated Depreciation $ 1,011      
Date of Construction 1998/02      
Date Acquired Jan. 17, 2014      
Austin - Manchaca [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin - Manchaca [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 2,235      
Initial Cost to Company, Building, Equipment and Improvements 6,269      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 407      
Gross Amount at Which Carried at Close of Period, Land 2,235      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,676      
Gross Amount at Which Carried at Close of Period, Total 8,911      
Accumulated Depreciation $ 1,232      
Date of Construction 2012      
Date Acquired Feb. 10, 2014      
San Antonio [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Portland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST ME      
Initial Cost to Company, Land $ 2,146      
Initial Cost to Company, Building, Equipment and Improvements 6,418      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 332      
Gross Amount at Which Carried at Close of Period, Land 2,146      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,750      
Gross Amount at Which Carried at Close of Period, Total 8,896      
Accumulated Depreciation $ 1,201      
Date of Construction 2000      
Date Acquired Feb. 11, 2014      
Portland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Portland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Portland-Topsham [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST ME      
Initial Cost to Company, Land $ 493      
Initial Cost to Company, Building, Equipment and Improvements 5,234      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 621      
Gross Amount at Which Carried at Close of Period, Land 985      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,363      
Gross Amount at Which Carried at Close of Period, Total 6,348      
Accumulated Depreciation $ 947      
Date of Construction 2006      
Date Acquired Feb. 11, 2014      
Portland-Topsham [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Portland-Topsham [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - St. Charles [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,837      
Initial Cost to Company, Building, Equipment and Improvements 6,301      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,532      
Gross Amount at Which Carried at Close of Period, Land 1,837      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,833      
Gross Amount at Which Carried at Close of Period, Total 10,670      
Accumulated Depreciation $ 1,290      
Date of Construction 2004/13/20      
Date Acquired Mar. 31, 2014      
Chicago - St. Charles [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - St. Charles [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Ashland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 598      
Initial Cost to Company, Building, Equipment and Improvements 4,789      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 461      
Gross Amount at Which Carried at Close of Period, Land 598      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,250      
Gross Amount at Which Carried at Close of Period, Total 5,848      
Accumulated Depreciation $ 920      
Date of Construction 2014      
Date Acquired May 05, 2014      
Chicago - Ashland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Ashland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio - Walzem [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 2,000      
Initial Cost to Company, Building, Equipment and Improvements 3,749      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,540      
Gross Amount at Which Carried at Close of Period, Land 2,000      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,289      
Gross Amount at Which Carried at Close of Period, Total 9,289      
Accumulated Depreciation $ 932      
Date of Construction 1997/2019      
Date Acquired May 13, 2014      
San Antonio - Walzem [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio - Walzem [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St. Louis - Woodson [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 2,444      
Initial Cost to Company, Building, Equipment and Improvements 5,966      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,659      
Gross Amount at Which Carried at Close of Period, Land 2,444      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,625      
Gross Amount at Which Carried at Close of Period, Total 10,069      
Accumulated Depreciation $ 1,363      
Date of Construction 1998      
Date Acquired May 22, 2014      
St. Louis - Woodson [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St. Louis - Woodson [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St. Louis - Mexico [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 638      
Initial Cost to Company, Building, Equipment and Improvements 3,518      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,883      
Gross Amount at Which Carried at Close of Period, Land 638      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,401      
Gross Amount at Which Carried at Close of Period, Total 6,039      
Accumulated Depreciation $ 913      
Date of Construction 1998/16      
Date Acquired May 22, 2014      
St. Louis - Mexico [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St. Louis - Mexico [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St. Louis - Vogel [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 2,010      
Initial Cost to Company, Building, Equipment and Improvements 3,544      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,062      
Gross Amount at Which Carried at Close of Period, Land 2,010      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,606      
Gross Amount at Which Carried at Close of Period, Total 7,616      
Accumulated Depreciation $ 810      
Date of Construction 2000      
Date Acquired May 22, 2014      
St. Louis - Vogel [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St. Louis - Vogel [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St. Louis - Manchester [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 508      
Initial Cost to Company, Building, Equipment and Improvements 2,042      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 432      
Gross Amount at Which Carried at Close of Period, Land 508      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,474      
Gross Amount at Which Carried at Close of Period, Total 2,982      
Accumulated Depreciation $ 471      
Date of Construction 1996      
Date Acquired May 22, 2014      
St. Louis - Manchester [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St. Louis - Manchester [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St. Louis - North Highway [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 1,989      
Initial Cost to Company, Building, Equipment and Improvements 4,045      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,514      
Gross Amount at Which Carried at Close of Period, Land 1,989      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,559      
Gross Amount at Which Carried at Close of Period, Total 8,548      
Accumulated Depreciation $ 1,036      
Date of Construction 1997      
Date Acquired May 22, 2014      
St. Louis - North Highway [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St. Louis - North Highway [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St. Louis - Dunn [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 1,538      
Initial Cost to Company, Building, Equipment and Improvements 4,510      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,903      
Gross Amount at Which Carried at Close of Period, Land 1,538      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,413      
Gross Amount at Which Carried at Close of Period, Total 8,951      
Accumulated Depreciation $ 1,120      
Date of Construction 2000      
Date Acquired May 22, 2014      
St. Louis - Dunn [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St. Louis - Dunn [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Trenton-Hamilton Twnship [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 5,161      
Initial Cost to Company, Building, Equipment and Improvements 7,063      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,169      
Gross Amount at Which Carried at Close of Period, Land 5,161      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,232      
Gross Amount at Which Carried at Close of Period, Total 13,393      
Accumulated Depreciation $ 1,414      
Date of Construction 1980      
Date Acquired Jun. 05, 2014      
Trenton-Hamilton Twnship [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Trenton-Hamilton Twnship [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
NY Metro-Fishkill [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 1,741      
Initial Cost to Company, Building, Equipment and Improvements 6,006      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 438      
Gross Amount at Which Carried at Close of Period, Land 1,741      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,444      
Gross Amount at Which Carried at Close of Period, Total 8,185      
Accumulated Depreciation $ 1,130      
Date of Construction 2005      
Date Acquired Jun. 11, 2014      
NY Metro-Fishkill [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
NY Metro-Fishkill [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Atlanta-Peachtree City [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 2,263      
Initial Cost to Company, Building, Equipment and Improvements 4,931      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 576      
Gross Amount at Which Carried at Close of Period, Land 2,263      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,507      
Gross Amount at Which Carried at Close of Period, Total 7,770      
Accumulated Depreciation $ 1,024      
Date of Construction 2007      
Date Acquired Jun. 12, 2014      
Atlanta-Peachtree City [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Atlanta-Peachtree City [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Wayne - Willowbrook [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Building, Equipment and Improvements $ 2,292      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 307      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,599      
Gross Amount at Which Carried at Close of Period, Total 2,599      
Accumulated Depreciation $ 1,075      
Date of Construction 2000      
Date Acquired Jun. 12, 2014      
Wayne - Willowbrook [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Wayne - Willowbrook [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Asbury Park - 1st Ave [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 819      
Initial Cost to Company, Building, Equipment and Improvements 4,734      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 900      
Gross Amount at Which Carried at Close of Period, Land 819      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,634      
Gross Amount at Which Carried at Close of Period, Total 6,453      
Accumulated Depreciation $ 975      
Date of Construction 2003      
Date Acquired Jun. 18, 2014      
Asbury Park - 1st Ave [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Asbury Park - 1st Ave [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Farmingdale - Tinton Falls [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 1,097      
Initial Cost to Company, Building, Equipment and Improvements 5,618      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 598      
Gross Amount at Which Carried at Close of Period, Land 1,097      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,216      
Gross Amount at Which Carried at Close of Period, Total 7,313      
Accumulated Depreciation $ 1,056      
Date of Construction 2004      
Date Acquired Jun. 18, 2014      
Farmingdale - Tinton Falls [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Farmingdale - Tinton Falls [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Lakewood - Route 70 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 626      
Initial Cost to Company, Building, Equipment and Improvements 4,549      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 311      
Gross Amount at Which Carried at Close of Period, Land 626      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,860      
Gross Amount at Which Carried at Close of Period, Total 5,486      
Accumulated Depreciation $ 849      
Date of Construction 2003      
Date Acquired Jun. 18, 2014      
Lakewood - Route 70 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Lakewood - Route 70 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Matawan - Highway 34 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 1,512      
Initial Cost to Company, Building, Equipment and Improvements 9,707      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 996      
Gross Amount at Which Carried at Close of Period, Land 1,512      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,703      
Gross Amount at Which Carried at Close of Period, Total 12,215      
Accumulated Depreciation $ 1,837      
Date of Construction 2005      
Date Acquired Jul. 10, 2014      
Matawan - Highway 34 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Matawan - Highway 34 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
St. Petersburg - Gandy [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 2,958      
Initial Cost to Company, Building, Equipment and Improvements 6,904      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 404      
Gross Amount at Which Carried at Close of Period, Land 2,958      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,308      
Gross Amount at Which Carried at Close of Period, Total 10,266      
Accumulated Depreciation $ 1,219      
Date of Construction 2007      
Date Acquired Aug. 28, 2014      
St. Petersburg - Gandy [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
St. Petersburg - Gandy [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chesapeake - Campostella [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 2,349      
Initial Cost to Company, Building, Equipment and Improvements 3,875      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 364      
Gross Amount at Which Carried at Close of Period, Land 2,349      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,239      
Gross Amount at Which Carried at Close of Period, Total 6,588      
Accumulated Depreciation $ 717      
Date of Construction 2000      
Date Acquired Sep. 05, 2014      
Chesapeake - Campostella [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chesapeake - Campostella [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio- Castle Hills [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 2,658      
Initial Cost to Company, Building, Equipment and Improvements 8,190      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 494      
Gross Amount at Which Carried at Close of Period, Land 4,544      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,798      
Gross Amount at Which Carried at Close of Period, Total 11,342      
Accumulated Depreciation $ 1,161      
Date of Construction 2002      
Date Acquired Sep. 10, 2014      
San Antonio- Castle Hills [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio- Castle Hills [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chattanooga - Broad St [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TN      
Initial Cost to Company, Land $ 759      
Initial Cost to Company, Building, Equipment and Improvements 5,608      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 315      
Gross Amount at Which Carried at Close of Period, Land 759      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,923      
Gross Amount at Which Carried at Close of Period, Total 6,682      
Accumulated Depreciation $ 963      
Date of Construction 2014      
Date Acquired Sep. 18, 2014      
Chattanooga - Broad St [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chattanooga - Broad St [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
New Orleans-Kenner [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST LA      
Initial Cost to Company, Land $ 5,771      
Initial Cost to Company, Building, Equipment and Improvements 10,375      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 554      
Gross Amount at Which Carried at Close of Period, Land 5,771      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,929      
Gross Amount at Which Carried at Close of Period, Total 16,700      
Accumulated Depreciation $ 1,793      
Date of Construction 2008      
Date Acquired Oct. 10, 2014      
New Orleans-Kenner [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
New Orleans-Kenner [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Orlando-Celebration [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 6,091      
Initial Cost to Company, Building, Equipment and Improvements 4,641      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 479      
Gross Amount at Which Carried at Close of Period, Land 6,091      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,120      
Gross Amount at Which Carried at Close of Period, Total 11,211      
Accumulated Depreciation $ 855      
Date of Construction 2006      
Date Acquired Oct. 21, 2014      
Orlando-Celebration [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Orlando-Celebration [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin-Cedar Park [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 4,196      
Initial Cost to Company, Building, Equipment and Improvements 8,374      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 967      
Gross Amount at Which Carried at Close of Period, Land 4,196      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,341      
Gross Amount at Which Carried at Close of Period, Total 13,537      
Accumulated Depreciation $ 1,503      
Date of Construction 2003      
Date Acquired Oct. 28, 2014      
Austin-Cedar Park [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin-Cedar Park [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Pulaski [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 889      
Initial Cost to Company, Building, Equipment and Improvements 4,700      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,885      
Gross Amount at Which Carried at Close of Period, Land 889      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,585      
Gross Amount at Which Carried at Close of Period, Total 7,474      
Accumulated Depreciation $ 938      
Date of Construction 2014      
Date Acquired Nov. 14, 2014      
Chicago - Pulaski [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Pulaski [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston - Gessner [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,599      
Initial Cost to Company, Building, Equipment and Improvements 5,813      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,536      
Gross Amount at Which Carried at Close of Period, Land 1,599      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,349      
Gross Amount at Which Carried at Close of Period, Total 10,948      
Accumulated Depreciation $ 1,288      
Date of Construction 2006/17      
Date Acquired Dec. 18, 2014      
Houston - Gessner [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston - Gessner [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
New England - Danbury [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CT      
Initial Cost to Company, Land $ 9,747      
Initial Cost to Company, Building, Equipment and Improvements 18,374      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 229      
Gross Amount at Which Carried at Close of Period, Land 9,747      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 18,603      
Gross Amount at Which Carried at Close of Period, Total 28,350      
Accumulated Depreciation $ 2,803      
Date of Construction 1999      
Date Acquired Feb. 02, 2015      
New England - Danbury [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
New England - Danbury [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
New England - Milford [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CT      
Initial Cost to Company, Land $ 9,642      
Initial Cost to Company, Building, Equipment and Improvements 23,352      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 166      
Gross Amount at Which Carried at Close of Period, Land 9,642      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 23,518      
Gross Amount at Which Carried at Close of Period, Total 33,160      
Accumulated Depreciation $ 3,531      
Date of Construction 1999      
Date Acquired Feb. 02, 2015      
New England - Milford [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
New England - Milford [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Long Island - Hicksville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 5,153      
Initial Cost to Company, Building, Equipment and Improvements 27,401      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 176      
Gross Amount at Which Carried at Close of Period, Land 5,153      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 27,577      
Gross Amount at Which Carried at Close of Period, Total 32,730      
Accumulated Depreciation $ 4,136      
Date of Construction 2002      
Date Acquired Feb. 02, 2015      
Long Island - Hicksville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Long Island - Hicksville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Long Island - Farmingdale [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 4,931      
Initial Cost to Company, Building, Equipment and Improvements 20,415      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 322      
Gross Amount at Which Carried at Close of Period, Land 4,931      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 20,737      
Gross Amount at Which Carried at Close of Period, Total 25,668      
Accumulated Depreciation $ 3,108      
Date of Construction 2000      
Date Acquired Feb. 02, 2015      
Long Island - Farmingdale [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Long Island - Farmingdale [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Alsip [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 2,579      
Initial Cost to Company, Building, Equipment and Improvements 4,066      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,510      
Gross Amount at Which Carried at Close of Period, Land 2,579      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,576      
Gross Amount at Which Carried at Close of Period, Total 10,155      
Accumulated Depreciation $ 937      
Date of Construction 1986/17      
Date Acquired Feb. 05, 2015      
Chicago - Alsip [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Alsip [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - N. Pulaski [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,719      
Initial Cost to Company, Building, Equipment and Improvements 6,971      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 457      
Gross Amount at Which Carried at Close of Period, Land 1,719      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,428      
Gross Amount at Which Carried at Close of Period, Total 9,147      
Accumulated Depreciation $ 1,135      
Date of Construction 2015      
Date Acquired Mar. 09, 2015      
Chicago - N. Pulaski [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - N. Pulaski [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Fort Myers - Tamiami Trail [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,793      
Initial Cost to Company, Building, Equipment and Improvements 4,382      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 278      
Gross Amount at Which Carried at Close of Period, Land 1,793      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,660      
Gross Amount at Which Carried at Close of Period, Total 6,453      
Accumulated Depreciation $ 725      
Date of Construction 2004      
Date Acquired Apr. 01, 2015      
Fort Myers - Tamiami Trail [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Fort Myers - Tamiami Trail [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas - Allen [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 3,864      
Initial Cost to Company, Building, Equipment and Improvements 4,777      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 409      
Gross Amount at Which Carried at Close of Period, Land 3,864      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,186      
Gross Amount at Which Carried at Close of Period, Total 9,050      
Accumulated Depreciation $ 831      
Date of Construction 2002      
Date Acquired Apr. 16, 2015      
Dallas - Allen [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas - Allen [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Jacksonville - Beach Blvd. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 2,118      
Initial Cost to Company, Building, Equipment and Improvements 6,501      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 89      
Gross Amount at Which Carried at Close of Period, Land 2,118      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,590      
Gross Amount at Which Carried at Close of Period, Total 8,708      
Accumulated Depreciation $ 973      
Date of Construction 2013      
Date Acquired Apr. 21, 2015      
Jacksonville - Beach Blvd. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Jacksonville - Beach Blvd. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Space Coast - Vero Beach [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,169      
Initial Cost to Company, Building, Equipment and Improvements 4,409      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 366      
Gross Amount at Which Carried at Close of Period, Land 1,169      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,775      
Gross Amount at Which Carried at Close of Period, Total 5,944      
Accumulated Depreciation $ 718      
Date of Construction 1997      
Date Acquired May 01, 2015      
Space Coast - Vero Beach [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Space Coast - Vero Beach [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Port St. Lucie - Federal Hwy. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 4,957      
Initial Cost to Company, Building, Equipment and Improvements 6,045      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 291      
Gross Amount at Which Carried at Close of Period, Land 4,957      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,336      
Gross Amount at Which Carried at Close of Period, Total 11,293      
Accumulated Depreciation $ 962      
Date of Construction 2001      
Date Acquired May 01, 2015      
Port St. Lucie - Federal Hwy. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Port St. Lucie - Federal Hwy. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
West Palm - N. Military [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 3,372      
Initial Cost to Company, Building, Equipment and Improvements 4,206      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 308      
Gross Amount at Which Carried at Close of Period, Land 3,372      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,514      
Gross Amount at Which Carried at Close of Period, Total 7,886      
Accumulated Depreciation $ 683      
Date of Construction 1985      
Date Acquired May 01, 2015      
West Palm - N. Military [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
West Palm - N. Military [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Ft. Myers - Bonita Springs [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 2,687      
Initial Cost to Company, Building, Equipment and Improvements 5,012      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 318      
Gross Amount at Which Carried at Close of Period, Land 2,687      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,330      
Gross Amount at Which Carried at Close of Period, Total 8,017      
Accumulated Depreciation $ 808      
Date of Construction 2000      
Date Acquired May 01, 2015      
Ft. Myers - Bonita Springs [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Ft. Myers - Bonita Springs [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Phoenix - Tatum Blvd. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AZ      
Initial Cost to Company, Land $ 852      
Initial Cost to Company, Building, Equipment and Improvements 7,052      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 299      
Gross Amount at Which Carried at Close of Period, Land 852      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,351      
Gross Amount at Which Carried at Close of Period, Total 8,203      
Accumulated Depreciation $ 1,135      
Date of Construction 2015      
Date Acquired Jun. 16, 2015      
Phoenix - Tatum Blvd. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Phoenix - Tatum Blvd. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston - Lynn [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 2,110      
Initial Cost to Company, Building, Equipment and Improvements 8,182      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 447      
Gross Amount at Which Carried at Close of Period, Land 2,110      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,629      
Gross Amount at Which Carried at Close of Period, Total 10,739      
Accumulated Depreciation $ 1,236      
Date of Construction 2015      
Date Acquired Jun. 16, 2015      
Boston - Lynn [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston - Lynn [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Syracuse - Ainsely Dr.[Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 2,711      
Initial Cost to Company, Building, Equipment and Improvements 3,795      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,237      
Gross Amount at Which Carried at Close of Period, Land 2,711      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,032      
Gross Amount at Which Carried at Close of Period, Total 8,743      
Accumulated Depreciation $ 681      
Date of Construction 2000/19      
Date Acquired Aug. 25, 2015      
Syracuse - Ainsely Dr.[Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Syracuse - Ainsely Dr.[Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Syracuse - Cicero [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 668      
Initial Cost to Company, Building, Equipment and Improvements 1,957      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 174      
Gross Amount at Which Carried at Close of Period, Land 668      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,131      
Gross Amount at Which Carried at Close of Period, Total 2,799      
Accumulated Depreciation $ 318      
Date of Construction 2002      
Date Acquired Aug. 25, 2015      
Syracuse - Cicero [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Syracuse - Cicero [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Syracuse - Camillus [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 473      
Initial Cost to Company, Building, Equipment and Improvements 5,368      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 108      
Gross Amount at Which Carried at Close of Period, Land 473      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,476      
Gross Amount at Which Carried at Close of Period, Total 5,949      
Accumulated Depreciation $ 766      
Date of Construction 2005/11      
Date Acquired Aug. 25, 2015      
Syracuse - Camillus [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Syracuse - Camillus [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Syracuse - Manlius [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 834      
Initial Cost to Company, Building, Equipment and Improvements 1,705      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,093      
Gross Amount at Which Carried at Close of Period, Land 834      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,798      
Gross Amount at Which Carried at Close of Period, Total 3,632      
Accumulated Depreciation $ 342      
Date of Construction 2000/17      
Date Acquired Aug. 25, 2015      
Syracuse - Manlius [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Syracuse - Manlius [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Charlotte - Brookshire Blvd. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 718      
Initial Cost to Company, Building, Equipment and Improvements 2,977      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 975      
Gross Amount at Which Carried at Close of Period, Land 718      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,952      
Gross Amount at Which Carried at Close of Period, Total 4,670      
Accumulated Depreciation $ 588      
Date of Construction 2000      
Date Acquired Sep. 01, 2015      
Charlotte - Brookshire Blvd. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charlotte - Brookshire Blvd. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Charleston III [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST SC      
Initial Cost to Company, Land $ 7,604      
Initial Cost to Company, Building, Equipment and Improvements 9,086      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 508      
Gross Amount at Which Carried at Close of Period, Land 7,604      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,594      
Gross Amount at Which Carried at Close of Period, Total 17,198      
Accumulated Depreciation $ 1,355      
Date of Construction 2005      
Date Acquired Sep. 01, 2015      
Charleston III [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charleston III [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Myrtle Beach II [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST SC      
Initial Cost to Company, Land $ 2,511      
Initial Cost to Company, Building, Equipment and Improvements 6,147      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,809      
Gross Amount at Which Carried at Close of Period, Land 2,511      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,956      
Gross Amount at Which Carried at Close of Period, Total 12,467      
Accumulated Depreciation $ 1,074      
Date of Construction 1999/2019      
Date Acquired Sep. 01, 2015      
Myrtle Beach II [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Myrtle Beach II [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Hilton Head - Bluffton [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST SC      
Initial Cost to Company, Land $ 3,084      
Initial Cost to Company, Building, Equipment and Improvements 3,192      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 237      
Gross Amount at Which Carried at Close of Period, Land 3,084      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,429      
Gross Amount at Which Carried at Close of Period, Total 6,513      
Accumulated Depreciation $ 513      
Date of Construction 1998      
Date Acquired Sep. 01, 2015      
Hilton Head - Bluffton [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Hilton Head - Bluffton [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Philadelphia - Eagleville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST PA      
Initial Cost to Company, Land $ 1,926      
Initial Cost to Company, Building, Equipment and Improvements 4,498      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,478      
Gross Amount at Which Carried at Close of Period, Land 1,926      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,976      
Gross Amount at Which Carried at Close of Period, Total 7,902      
Accumulated Depreciation $ 737      
Date of Construction 2010      
Date Acquired Dec. 30, 2015      
Philadelphia - Eagleville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Philadelphia - Eagleville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Orlando - University [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 882      
Initial Cost to Company, Building, Equipment and Improvements 5,756      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 319      
Gross Amount at Which Carried at Close of Period, Land 882      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,075      
Gross Amount at Which Carried at Close of Period, Total 6,957      
Accumulated Depreciation $ 792      
Date of Construction 2001      
Date Acquired Jan. 06, 2016      
Orlando - University [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Orlando - University [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Orlando - N. Powers [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 2,567      
Initial Cost to Company, Building, Equipment and Improvements 2,838      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 201      
Gross Amount at Which Carried at Close of Period, Land 2,567      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,039      
Gross Amount at Which Carried at Close of Period, Total 5,606      
Accumulated Depreciation $ 421      
Date of Construction 1997      
Date Acquired Jan. 06, 2016      
Orlando - N. Powers [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Orlando - N. Powers [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sarasota - North Port [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 4,884      
Initial Cost to Company, Building, Equipment and Improvements 10,014      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements (264)      
Gross Amount at Which Carried at Close of Period, Land 4,278      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,356      
Gross Amount at Which Carried at Close of Period, Total 14,634      
Accumulated Depreciation $ 1,224      
Date of Construction 2001/06      
Date Acquired Jan. 06, 2016      
Sarasota - North Port [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sarasota - North Port [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Los Angeles - E. Commercial [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 6,512      
Initial Cost to Company, Building, Equipment and Improvements 12,352      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 562      
Gross Amount at Which Carried at Close of Period, Land 6,512      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,914      
Gross Amount at Which Carried at Close of Period, Total 19,426      
Accumulated Depreciation $ 1,777      
Date of Construction 2004      
Date Acquired Jan. 21, 2016      
Los Angeles - E. Commercial [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Los Angeles - E. Commercial [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Los Angeles - E. Slauson [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 3,998      
Initial Cost to Company, Building, Equipment and Improvements 13,547      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 303      
Gross Amount at Which Carried at Close of Period, Land 3,998      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 13,850      
Gross Amount at Which Carried at Close of Period, Total 17,848      
Accumulated Depreciation $ 1,759      
Date of Construction 2012      
Date Acquired Jan. 21, 2016      
Los Angeles - E. Slauson [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Los Angeles - E. Slauson [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Los Angeles - Westminster [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 4,636      
Initial Cost to Company, Building, Equipment and Improvements 14,826      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 380      
Gross Amount at Which Carried at Close of Period, Land 4,636      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 15,206      
Gross Amount at Which Carried at Close of Period, Total 19,842      
Accumulated Depreciation $ 1,910      
Date of Construction 2006      
Date Acquired Jan. 21, 2016      
Los Angeles - Westminster [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Los Angeles - Westminster [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Los Angeles - Calabasas [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 13,274      
Initial Cost to Company, Building, Equipment and Improvements 10,419      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 583      
Gross Amount at Which Carried at Close of Period, Land 13,274      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 11,002      
Gross Amount at Which Carried at Close of Period, Total 24,276      
Accumulated Depreciation $ 1,498      
Date of Construction 2004/14      
Date Acquired Jan. 21, 2016      
Los Angeles - Calabasas [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Los Angeles - Calabasas [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Portsmouth - Kingston [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NH      
Initial Cost to Company, Land $ 1,713      
Initial Cost to Company, Building, Equipment and Improvements 2,709      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 105      
Gross Amount at Which Carried at Close of Period, Land 1,713      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,814      
Gross Amount at Which Carried at Close of Period, Total 4,527      
Accumulated Depreciation $ 368      
Date of Construction 2003      
Date Acquired Jan. 21, 2016      
Portsmouth - Kingston [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Portsmouth - Kingston [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Portsmouth - Danville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NH      
Initial Cost to Company, Land $ 1,615      
Initial Cost to Company, Building, Equipment and Improvements 3,333      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 79      
Gross Amount at Which Carried at Close of Period, Land 1,615      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,412      
Gross Amount at Which Carried at Close of Period, Total 5,027      
Accumulated Depreciation $ 444      
Date of Construction 2003      
Date Acquired Jan. 21, 2016      
Portsmouth - Danville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Portsmouth - Danville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Portsmouth - Hampton Falls [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NH      
Initial Cost to Company, Land $ 2,445      
Initial Cost to Company, Building, Equipment and Improvements 6,295      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 153      
Gross Amount at Which Carried at Close of Period, Land 2,445      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,448      
Gross Amount at Which Carried at Close of Period, Total 8,893      
Accumulated Depreciation $ 810      
Date of Construction 2005      
Date Acquired Jan. 21, 2016      
Portsmouth - Hampton Falls [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Portsmouth - Hampton Falls [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Portsmouth - Lee [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NH      
Initial Cost to Company, Land $ 3,078      
Initial Cost to Company, Building, Equipment and Improvements 2,861      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 1,354      
Gross Amount at Which Carried at Close of Period, Land 3,078      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,215      
Gross Amount at Which Carried at Close of Period, Total 7,293      
Accumulated Depreciation $ 407      
Date of Construction 2000/20      
Date Acquired Jan. 21, 2016      
Portsmouth - Lee [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Portsmouth - Lee [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Portsmouth - Heritage [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NH      
Initial Cost to Company, Land $ 4,430      
Initial Cost to Company, Building, Equipment and Improvements 26,040      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 634      
Gross Amount at Which Carried at Close of Period, Land 4,430      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 26,674      
Gross Amount at Which Carried at Close of Period, Total 31,104      
Accumulated Depreciation $ 3,318      
Date of Construction 1985/99      
Date Acquired Jan. 21, 2016      
Portsmouth - Heritage [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Portsmouth - Heritage [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boston - Salisbury [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MA      
Initial Cost to Company, Land $ 4,880      
Initial Cost to Company, Building, Equipment and Improvements 6,342      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 218      
Gross Amount at Which Carried at Close of Period, Land 4,880      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,560      
Gross Amount at Which Carried at Close of Period, Total 11,440      
Accumulated Depreciation $ 836      
Date of Construction 2003      
Date Acquired Jan. 21, 2016      
Boston - Salisbury [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boston - Salisbury [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas - Frisco [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 6,191      
Initial Cost to Company, Building, Equipment and Improvements 5,088      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 283      
Gross Amount at Which Carried at Close of Period, Land 6,191      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,371      
Gross Amount at Which Carried at Close of Period, Total 11,562      
Accumulated Depreciation $ 710      
Date of Construction 2003      
Date Acquired Jan. 21, 2016      
Dallas - Frisco [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas - Frisco [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas - McKinney [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 8,097      
Initial Cost to Company, Building, Equipment and Improvements 7,047      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 185      
Gross Amount at Which Carried at Close of Period, Land 8,097      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,232      
Gross Amount at Which Carried at Close of Period, Total 15,329      
Accumulated Depreciation $ 956      
Date of Construction 2003      
Date Acquired Jan. 21, 2016      
Dallas - McKinney [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas - McKinney [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas - McKinney [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 5,508      
Initial Cost to Company, Building, Equipment and Improvements 6,462      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 182      
Gross Amount at Which Carried at Close of Period, Land 5,508      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,644      
Gross Amount at Which Carried at Close of Period, Total 12,152      
Accumulated Depreciation $ 855      
Date of Construction 2002      
Date Acquired Jan. 21, 2016      
Dallas - McKinney [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas - McKinney [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Phoenix - 48th [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST AZ      
Initial Cost to Company, Land $ 988      
Initial Cost to Company, Building, Equipment and Improvements 8,224      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 81      
Gross Amount at Which Carried at Close of Period, Land 988      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,305      
Gross Amount at Which Carried at Close of Period, Total 9,293      
Accumulated Depreciation $ 1,090      
Date of Construction 2015      
Date Acquired Feb. 01, 2016      
Phoenix - 48th [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Phoenix - 48th [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Miami [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 2,294      
Initial Cost to Company, Building, Equipment and Improvements 8,980      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 207      
Gross Amount at Which Carried at Close of Period, Land 2,294      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,187      
Gross Amount at Which Carried at Close of Period, Total 11,481      
Accumulated Depreciation $ 1,205      
Date of Construction 2016      
Date Acquired Feb. 12, 2016      
Miami [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Miami [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Philadelphia - Glenolden [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST PA      
Initial Cost to Company, Land $ 1,768      
Initial Cost to Company, Building, Equipment and Improvements 3,879      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 432      
Gross Amount at Which Carried at Close of Period, Land 1,768      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,311      
Gross Amount at Which Carried at Close of Period, Total 6,079      
Accumulated Depreciation $ 560      
Date of Construction 1970      
Date Acquired Feb. 17, 2016      
Philadelphia - Glenolden [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Philadelphia - Glenolden [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Denver - Thornton [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CO      
Initial Cost to Company, Land $ 4,528      
Initial Cost to Company, Building, Equipment and Improvements 7,915      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 166      
Gross Amount at Which Carried at Close of Period, Land 4,528      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,081      
Gross Amount at Which Carried at Close of Period, Total 12,609      
Accumulated Depreciation $ 1,040      
Date of Construction 2011      
Date Acquired Feb. 29, 2016      
Denver - Thornton [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Denver - Thornton [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Los Angeles - Costa Mesa [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 17,976      
Initial Cost to Company, Building, Equipment and Improvements 25,145      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 939      
Gross Amount at Which Carried at Close of Period, Land 17,976      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 26,084      
Gross Amount at Which Carried at Close of Period, Total 44,060      
Accumulated Depreciation $ 3,206      
Date of Construction 2005      
Date Acquired Mar. 16, 2016      
Los Angeles - Costa Mesa [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Los Angeles - Costa Mesa [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Los Angeles - Irving [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Building, Equipment and Improvements $ 6,318      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 922      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,240      
Gross Amount at Which Carried at Close of Period, Total 7,240      
Accumulated Depreciation $ 1,832      
Date of Construction 1985      
Date Acquired Mar. 16, 2016      
Los Angeles - Irving [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Los Angeles - Irving [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Los Angeles - Durante [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 4,671      
Initial Cost to Company, Building, Equipment and Improvements 13,908      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 147      
Gross Amount at Which Carried at Close of Period, Land 4,671      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 14,055      
Gross Amount at Which Carried at Close of Period, Total 18,726      
Accumulated Depreciation $ 1,719      
Date of Construction 2015      
Date Acquired Mar. 16, 2016      
Los Angeles - Durante [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Los Angeles - Durante [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Los Angeles - Wildomar [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 6,728      
Initial Cost to Company, Building, Equipment and Improvements 10,340      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 7,354      
Gross Amount at Which Carried at Close of Period, Land 6,728      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 17,694      
Gross Amount at Which Carried at Close of Period, Total 24,422      
Accumulated Depreciation $ 1,618      
Date of Construction 2005/19      
Date Acquired Mar. 17, 2016      
Los Angeles - Wildomar [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Los Angeles - Wildomar [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Los Angeles - Torrance [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 17,445      
Initial Cost to Company, Building, Equipment and Improvements 18,839      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 494      
Gross Amount at Which Carried at Close of Period, Land 17,445      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 19,333      
Gross Amount at Which Carried at Close of Period, Total 36,778      
Accumulated Depreciation $ 2,438      
Date of Construction 2003      
Date Acquired Apr. 11, 2016      
Los Angeles - Torrance [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Los Angeles - Torrance [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
New Haven - Wallingford [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CT      
Initial Cost to Company, Land $ 3,618      
Initial Cost to Company, Building, Equipment and Improvements 5,286      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 308      
Gross Amount at Which Carried at Close of Period, Land 3,618      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,594      
Gross Amount at Which Carried at Close of Period, Total 9,212      
Accumulated Depreciation $ 701      
Date of Construction 2000      
Date Acquired Apr. 14, 2016      
New Haven - Wallingford [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
New Haven - Wallingford [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
New Haven - Waterbury [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CT      
Initial Cost to Company, Land $ 2,524      
Initial Cost to Company, Building, Equipment and Improvements 5,618      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 205      
Gross Amount at Which Carried at Close of Period, Land 2,524      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,823      
Gross Amount at Which Carried at Close of Period, Total 8,347      
Accumulated Depreciation $ 734      
Date of Construction 2001      
Date Acquired Apr. 14, 2016      
New Haven - Waterbury [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
New Haven - Waterbury [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
New York - Mahopac [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Encumbrance $ 3,832      
Initial Cost to Company, Land 2,373      
Initial Cost to Company, Building, Equipment and Improvements 5,089      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 388      
Gross Amount at Which Carried at Close of Period, Land 2,373      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,477      
Gross Amount at Which Carried at Close of Period, Total 7,850      
Accumulated Depreciation $ 661      
Date of Construction 1991/94      
Date Acquired Apr. 26, 2016      
New York - Mahopac [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
New York - Mahopac [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
New York - Mount Vernon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 3,337      
Initial Cost to Company, Building, Equipment and Improvements 13,112      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 228      
Gross Amount at Which Carried at Close of Period, Land 3,337      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 13,340      
Gross Amount at Which Carried at Close of Period, Total 16,677      
Accumulated Depreciation $ 1,602      
Date of Construction 2013      
Date Acquired Apr. 26, 2016      
New York - Mount Vernon [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
New York - Mount Vernon [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Pt. St. Lucie [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Encumbrance $ 3,728      
Initial Cost to Company, Land 4,140      
Initial Cost to Company, Building, Equipment and Improvements 7,176      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 679      
Gross Amount at Which Carried at Close of Period, Land 4,305      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,690      
Gross Amount at Which Carried at Close of Period, Total 11,995      
Accumulated Depreciation $ 1,054      
Date of Construction 2002      
Date Acquired May 02, 2016      
Pt. St. Lucie [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Pt. St. Lucie [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas - Lewisville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 2,333      
Initial Cost to Company, Building, Equipment and Improvements 8,302      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 529      
Gross Amount at Which Carried at Close of Period, Land 2,333      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,831      
Gross Amount at Which Carried at Close of Period, Total 11,164      
Accumulated Depreciation $ 1,081      
Date of Construction 2007      
Date Acquired May 05, 2016      
Dallas - Lewisville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas - Lewisville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Buffalo - Cayuga [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 499      
Initial Cost to Company, Building, Equipment and Improvements 5,198      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,447      
Gross Amount at Which Carried at Close of Period, Land 499      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,645      
Gross Amount at Which Carried at Close of Period, Total 8,144      
Accumulated Depreciation $ 712      
Date of Construction 2006      
Date Acquired May 19, 2016      
Buffalo - Cayuga [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Buffalo - Cayuga [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Buffalo - Lackawanna [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 215      
Initial Cost to Company, Building, Equipment and Improvements 2,323      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 437      
Gross Amount at Which Carried at Close of Period, Land 215      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,760      
Gross Amount at Which Carried at Close of Period, Total 2,975      
Accumulated Depreciation $ 332      
Date of Construction 2006      
Date Acquired May 19, 2016      
Buffalo - Lackawanna [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Buffalo - Lackawanna [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin - W Braker [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,210      
Initial Cost to Company, Building, Equipment and Improvements 14,833      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 270      
Gross Amount at Which Carried at Close of Period, Land 1,210      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 15,103      
Gross Amount at Which Carried at Close of Period, Total 16,313      
Accumulated Depreciation $ 1,738      
Date of Construction 2003      
Date Acquired Jul. 15, 2016      
Austin - W Braker [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin - W Braker [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin - Highway 290 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 930      
Initial Cost to Company, Building, Equipment and Improvements 12,269      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 323      
Gross Amount at Which Carried at Close of Period, Land 930      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,592      
Gross Amount at Which Carried at Close of Period, Total 13,522      
Accumulated Depreciation $ 1,455      
Date of Construction 1999      
Date Acquired Jul. 15, 2016      
Austin - Highway 290 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin - Highway 290 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin - Killeen [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 3,070      
Initial Cost to Company, Building, Equipment and Improvements 20,782      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 436      
Gross Amount at Which Carried at Close of Period, Land 3,070      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 21,218      
Gross Amount at Which Carried at Close of Period, Total 24,288      
Accumulated Depreciation $ 2,638      
Date of Construction 2005      
Date Acquired Jul. 15, 2016      
Austin - Killeen [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin - Killeen [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin - Round Rock [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 830      
Initial Cost to Company, Building, Equipment and Improvements 6,129      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 262      
Gross Amount at Which Carried at Close of Period, Land 830      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,391      
Gross Amount at Which Carried at Close of Period, Total 7,221      
Accumulated Depreciation $ 761      
Date of Construction 1986      
Date Acquired Jul. 15, 2016      
Austin - Round Rock [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin - Round Rock [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin - Georgetown [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,530      
Initial Cost to Company, Building, Equipment and Improvements 10,647      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 600      
Gross Amount at Which Carried at Close of Period, Land 1,530      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 11,247      
Gross Amount at Which Carried at Close of Period, Total 12,777      
Accumulated Depreciation $ 1,353      
Date of Construction 2001/15      
Date Acquired Jul. 15, 2016      
Austin - Georgetown [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin - Georgetown [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin - Pflugerville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 750      
Initial Cost to Company, Building, Equipment and Improvements 9,238      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 342      
Gross Amount at Which Carried at Close of Period, Land 750      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,580      
Gross Amount at Which Carried at Close of Period, Total 10,330      
Accumulated Depreciation $ 1,111      
Date of Construction 2005      
Date Acquired Jul. 15, 2016      
Austin - Pflugerville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin - Pflugerville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Algonquin [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,430      
Initial Cost to Company, Building, Equipment and Improvements 14,958      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 129      
Gross Amount at Which Carried at Close of Period, Land 1,430      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 15,087      
Gross Amount at Which Carried at Close of Period, Total 16,517      
Accumulated Depreciation $ 1,746      
Date of Construction 2006      
Date Acquired Jul. 15, 2016      
Chicago - Algonquin [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Algonquin [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Carpentersville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 350      
Initial Cost to Company, Building, Equipment and Improvements 4,710      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 30      
Gross Amount at Which Carried at Close of Period, Land 350      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,740      
Gross Amount at Which Carried at Close of Period, Total 5,090      
Accumulated Depreciation $ 550      
Date of Construction 2004      
Date Acquired Jul. 15, 2016      
Chicago - Carpentersville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Carpentersville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - W. Addison [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 2,770      
Initial Cost to Company, Building, Equipment and Improvements 25,112      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 236      
Gross Amount at Which Carried at Close of Period, Land 2,770      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 25,348      
Gross Amount at Which Carried at Close of Period, Total 28,118      
Accumulated Depreciation $ 2,920      
Date of Construction 2007      
Date Acquired Jul. 15, 2016      
Chicago - W. Addison [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - W. Addison [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - State St. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,190      
Initial Cost to Company, Building, Equipment and Improvements 19,159      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 212      
Gross Amount at Which Carried at Close of Period, Land 1,190      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 19,371      
Gross Amount at Which Carried at Close of Period, Total 20,561      
Accumulated Depreciation $ 2,202      
Date of Construction 2009      
Date Acquired Jul. 15, 2016      
Chicago - State St. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - State St. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago -W. Grand [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,720      
Initial Cost to Company, Building, Equipment and Improvements 10,628      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 194      
Gross Amount at Which Carried at Close of Period, Land 1,720      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,822      
Gross Amount at Which Carried at Close of Period, Total 12,542      
Accumulated Depreciation $ 1,237      
Date of Construction 2007      
Date Acquired Jul. 15, 2016      
Chicago -W. Grand [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago -W. Grand [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Libertyville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 3,670      
Initial Cost to Company, Building, Equipment and Improvements 26,660      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 316      
Gross Amount at Which Carried at Close of Period, Land 3,670      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 26,976      
Gross Amount at Which Carried at Close of Period, Total 30,646      
Accumulated Depreciation $ 3,070      
Date of Construction 2009      
Date Acquired Jul. 15, 2016      
Chicago - Libertyville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Libertyville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago-Aurora [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,090      
Initial Cost to Company, Building, Equipment and Improvements 20,033      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 284      
Gross Amount at Which Carried at Close of Period, Land 1,090      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 20,317      
Gross Amount at Which Carried at Close of Period, Total 21,407      
Accumulated Depreciation $ 2,341      
Date of Construction 2009      
Date Acquired Jul. 15, 2016      
Chicago-Aurora [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago-Aurora [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Morton Grove [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,610      
Initial Cost to Company, Building, Equipment and Improvements 14,914      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 805      
Gross Amount at Which Carried at Close of Period, Land 1,610      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 15,719      
Gross Amount at Which Carried at Close of Period, Total 17,329      
Accumulated Depreciation $ 1,780      
Date of Construction 2009      
Date Acquired Jul. 15, 2016      
Chicago - Morton Grove [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Morton Grove [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Bridgeview [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 3,770      
Initial Cost to Company, Building, Equipment and Improvements 19,990      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 597      
Gross Amount at Which Carried at Close of Period, Land 3,770      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 20,587      
Gross Amount at Which Carried at Close of Period, Total 24,357      
Accumulated Depreciation $ 2,430      
Date of Construction 2008      
Date Acquired Jul. 15, 2016      
Chicago - Bridgeview [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Bridgeview [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Addison [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,340      
Initial Cost to Company, Building, Equipment and Improvements 11,881      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 487      
Gross Amount at Which Carried at Close of Period, Land 1,340      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,368      
Gross Amount at Which Carried at Close of Period, Total 13,708      
Accumulated Depreciation $ 1,421      
Date of Construction 2008      
Date Acquired Jul. 15, 2016      
Chicago - Addison [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Addison [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - W Diversey [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,670      
Initial Cost to Company, Building, Equipment and Improvements 10,811      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 112      
Gross Amount at Which Carried at Close of Period, Land 1,670      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,923      
Gross Amount at Which Carried at Close of Period, Total 12,593      
Accumulated Depreciation $ 1,240      
Date of Construction 2010      
Date Acquired Jul. 15, 2016      
Chicago - W Diversey [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - W Diversey [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Elmhurst [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 670      
Initial Cost to Company, Building, Equipment and Improvements 18,729      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 140      
Gross Amount at Which Carried at Close of Period, Land 670      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 18,869      
Gross Amount at Which Carried at Close of Period, Total 19,539      
Accumulated Depreciation $ 2,143      
Date of Construction 2008      
Date Acquired Jul. 15, 2016      
Chicago - Elmhurst [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Elmhurst [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Elgin [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,130      
Initial Cost to Company, Building, Equipment and Improvements 12,584      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 241      
Gross Amount at Which Carried at Close of Period, Land 1,130      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,825      
Gross Amount at Which Carried at Close of Period, Total 13,955      
Accumulated Depreciation $ 1,490      
Date of Construction 2003      
Date Acquired Jul. 15, 2016      
Chicago - Elgin [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Elgin [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - N. Paulina St. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 5,600      
Initial Cost to Company, Building, Equipment and Improvements 12,721      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 210      
Gross Amount at Which Carried at Close of Period, Land 5,600      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,931      
Gross Amount at Which Carried at Close of Period, Total 18,531      
Accumulated Depreciation $ 1,499      
Date of Construction 2006      
Date Acquired Jul. 15, 2016      
Chicago - N. Paulina St. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - N. Paulina St. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Matteson [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,590      
Initial Cost to Company, Building, Equipment and Improvements 12,053      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 228      
Gross Amount at Which Carried at Close of Period, Land 1,590      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,281      
Gross Amount at Which Carried at Close of Period, Total 13,871      
Accumulated Depreciation $ 1,475      
Date of Construction 2007      
Date Acquired Jul. 15, 2016      
Chicago - Matteson [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Matteson [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - S. Heights [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,050      
Initial Cost to Company, Building, Equipment and Improvements 4,960      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 137      
Gross Amount at Which Carried at Close of Period, Land 1,050      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,097      
Gross Amount at Which Carried at Close of Period, Total 6,147      
Accumulated Depreciation $ 623      
Date of Construction 2006      
Date Acquired Jul. 15, 2016      
Chicago - S. Heights [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - S. Heights [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago -W. Grand [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,780      
Initial Cost to Company, Building, Equipment and Improvements 8,928      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 195      
Gross Amount at Which Carried at Close of Period, Land 1,780      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,123      
Gross Amount at Which Carried at Close of Period, Total 10,903      
Accumulated Depreciation $ 1,057      
Date of Construction 2007      
Date Acquired Jul. 15, 2016      
Chicago -W. Grand [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago -W. Grand [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - W 30th St [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 600      
Initial Cost to Company, Building, Equipment and Improvements 15,574      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 645      
Gross Amount at Which Carried at Close of Period, Land 600      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 16,219      
Gross Amount at Which Carried at Close of Period, Total 16,819      
Accumulated Depreciation $ 1,807      
Date of Construction 2008      
Date Acquired Jul. 15, 2016      
Chicago - W 30th St [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - W 30th St [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Mokena [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 3,230      
Initial Cost to Company, Building, Equipment and Improvements 18,623      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 273      
Gross Amount at Which Carried at Close of Period, Land 3,230      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 18,896      
Gross Amount at Which Carried at Close of Period, Total 22,126      
Accumulated Depreciation $ 2,224      
Date of Construction 2008      
Date Acquired Jul. 15, 2016      
Chicago - Mokena [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Mokena [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Barrington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,890      
Initial Cost to Company, Building, Equipment and Improvements 9,395      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 733      
Gross Amount at Which Carried at Close of Period, Land 1,890      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,128      
Gross Amount at Which Carried at Close of Period, Total 12,018      
Accumulated Depreciation $ 1,176      
Date of Construction 2015      
Date Acquired Jul. 15, 2016      
Chicago - Barrington [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Barrington [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Naperville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 2,620      
Initial Cost to Company, Building, Equipment and Improvements 11,933      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 228      
Gross Amount at Which Carried at Close of Period, Land 2,620      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,161      
Gross Amount at Which Carried at Close of Period, Total 14,781      
Accumulated Depreciation $ 1,466      
Date of Construction 2015      
Date Acquired Jul. 15, 2016      
Chicago - Naperville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Naperville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Forest Park [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 1,100      
Initial Cost to Company, Building, Equipment and Improvements 10,087      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 820      
Gross Amount at Which Carried at Close of Period, Land 1,100      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,907      
Gross Amount at Which Carried at Close of Period, Total 12,007      
Accumulated Depreciation $ 1,248      
Date of Construction 2015      
Date Acquired Jul. 15, 2016      
Chicago - Forest Park [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Forest Park [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - La Grange [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 960      
Initial Cost to Company, Building, Equipment and Improvements 13,019      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 521      
Gross Amount at Which Carried at Close of Period, Land 960      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 13,540      
Gross Amount at Which Carried at Close of Period, Total 14,500      
Accumulated Depreciation $ 1,549      
Date of Construction 2015      
Date Acquired Jul. 15, 2016      
Chicago - La Grange [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - La Grange [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Glenview [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 3,210      
Initial Cost to Company, Building, Equipment and Improvements 8,519      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 137      
Gross Amount at Which Carried at Close of Period, Land 3,210      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,656      
Gross Amount at Which Carried at Close of Period, Total 11,866      
Accumulated Depreciation $ 1,037      
Date of Construction 2014/15      
Date Acquired Jul. 15, 2016      
Chicago - Glenview [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Glenview [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas - Richardson [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 630      
Initial Cost to Company, Building, Equipment and Improvements 10,282      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 151      
Gross Amount at Which Carried at Close of Period, Land 630      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,433      
Gross Amount at Which Carried at Close of Period, Total 11,063      
Accumulated Depreciation $ 1,242      
Date of Construction 2001      
Date Acquired Jul. 15, 2016      
Dallas - Richardson [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas - Richardson [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas - Arlington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 790      
Initial Cost to Company, Building, Equipment and Improvements 12,785      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 318      
Gross Amount at Which Carried at Close of Period, Land 790      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 13,103      
Gross Amount at Which Carried at Close of Period, Total 13,893      
Accumulated Depreciation $ 1,512      
Date of Construction 2007      
Date Acquired Jul. 15, 2016      
Dallas - Arlington [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas - Arlington [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas - Plano [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,370      
Initial Cost to Company, Building, Equipment and Improvements 10,166      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 373      
Gross Amount at Which Carried at Close of Period, Land 1,370      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,539      
Gross Amount at Which Carried at Close of Period, Total 11,909      
Accumulated Depreciation $ 1,195      
Date of Construction 1998      
Date Acquired Jul. 15, 2016      
Dallas - Plano [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas - Plano [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas - Mesquite [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 620      
Initial Cost to Company, Building, Equipment and Improvements 8,771      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 289      
Gross Amount at Which Carried at Close of Period, Land 620      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,060      
Gross Amount at Which Carried at Close of Period, Total 9,680      
Accumulated Depreciation $ 1,024      
Date of Construction 2016      
Date Acquired Jul. 15, 2016      
Dallas - Mesquite [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas - Mesquite [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas - S Good Latimer [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 4,030      
Initial Cost to Company, Building, Equipment and Improvements 8,029      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 172      
Gross Amount at Which Carried at Close of Period, Land 4,030      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,201      
Gross Amount at Which Carried at Close of Period, Total 12,231      
Accumulated Depreciation $ 971      
Date of Construction 2016      
Date Acquired Jul. 15, 2016      
Dallas - S Good Latimer [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas - S Good Latimer [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boulder - Arapahoe [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CO      
Initial Cost to Company, Land $ 3,690      
Initial Cost to Company, Building, Equipment and Improvements 12,074      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 602      
Gross Amount at Which Carried at Close of Period, Land 3,690      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,676      
Gross Amount at Which Carried at Close of Period, Total 16,366      
Accumulated Depreciation $ 1,441      
Date of Construction 1992      
Date Acquired Jul. 15, 2016      
Boulder - Arapahoe [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boulder - Arapahoe [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boulder - Odell [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CO      
Initial Cost to Company, Land $ 2,650      
Initial Cost to Company, Building, Equipment and Improvements 15,304      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 306      
Gross Amount at Which Carried at Close of Period, Land 2,650      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 15,610      
Gross Amount at Which Carried at Close of Period, Total 18,260      
Accumulated Depreciation $ 1,836      
Date of Construction 1998      
Date Acquired Jul. 15, 2016      
Boulder - Odell [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boulder - Odell [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boulder - Arapahoe [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CO      
Initial Cost to Company, Land $ 11,540      
Initial Cost to Company, Building, Equipment and Improvements 15,571      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 281      
Gross Amount at Which Carried at Close of Period, Land 11,540      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 15,852      
Gross Amount at Which Carried at Close of Period, Total 27,392      
Accumulated Depreciation $ 1,874      
Date of Construction 1984      
Date Acquired Jul. 15, 2016      
Boulder - Arapahoe [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boulder - Arapahoe [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Boulder - Broadway [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CO      
Initial Cost to Company, Land $ 2,670      
Initial Cost to Company, Building, Equipment and Improvements 5,623      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 228      
Gross Amount at Which Carried at Close of Period, Land 2,670      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,851      
Gross Amount at Which Carried at Close of Period, Total 8,521      
Accumulated Depreciation $ 701      
Date of Construction 1992      
Date Acquired Jul. 15, 2016      
Boulder - Broadway [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Boulder - Broadway [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston - Westpark [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 2,760      
Initial Cost to Company, Building, Equipment and Improvements 8,288      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 365      
Gross Amount at Which Carried at Close of Period, Land 2,760      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,653      
Gross Amount at Which Carried at Close of Period, Total 11,413      
Accumulated Depreciation $ 1,056      
Date of Construction 1996      
Date Acquired Jul. 15, 2016      
Houston - Westpark [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston - Westpark [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston - C. Jester [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 8,080      
Initial Cost to Company, Building, Equipment and Improvements 10,114      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,930      
Gross Amount at Which Carried at Close of Period, Land 8,080      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 13,044      
Gross Amount at Which Carried at Close of Period, Total 21,124      
Accumulated Depreciation $ 1,250      
Date of Construction 2008/20      
Date Acquired Jul. 15, 2016      
Houston - C. Jester [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston - C. Jester [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston - Bay Pointe [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,960      
Initial Cost to Company, Building, Equipment and Improvements 9,585      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 406      
Gross Amount at Which Carried at Close of Period, Land 1,960      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,991      
Gross Amount at Which Carried at Close of Period, Total 11,951      
Accumulated Depreciation $ 1,164      
Date of Construction 1972      
Date Acquired Jul. 15, 2016      
Houston - Bay Pointe [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston - Bay Pointe [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston - FM 529 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 680      
Initial Cost to Company, Building, Equipment and Improvements 3,951      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 163      
Gross Amount at Which Carried at Close of Period, Land 680      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,114      
Gross Amount at Which Carried at Close of Period, Total 4,794      
Accumulated Depreciation $ 506      
Date of Construction 2005      
Date Acquired Jul. 15, 2016      
Houston - FM 529 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston - FM 529 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Houston - Jones [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,260      
Initial Cost to Company, Building, Equipment and Improvements 2,382      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 219      
Gross Amount at Which Carried at Close of Period, Land 1,260      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 2,601      
Gross Amount at Which Carried at Close of Period, Total 3,861      
Accumulated Depreciation $ 342      
Date of Construction 1994      
Date Acquired Jul. 15, 2016      
Houston - Jones [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Houston - Jones [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Spencer [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 1,020      
Initial Cost to Company, Building, Equipment and Improvements 25,152      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 384      
Gross Amount at Which Carried at Close of Period, Land 1,020      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 25,536      
Gross Amount at Which Carried at Close of Period, Total 26,556      
Accumulated Depreciation $ 2,935      
Date of Construction 2000      
Date Acquired Jul. 15, 2016      
Las Vegas - Spencer [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Spencer [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Maule [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 2,510      
Initial Cost to Company, Building, Equipment and Improvements 11,822      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements (965)      
Gross Amount at Which Carried at Close of Period, Land 1,310      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,057      
Gross Amount at Which Carried at Close of Period, Total 13,367      
Accumulated Depreciation $ 1,389      
Date of Construction 2005      
Date Acquired Jul. 15, 2016      
Las Vegas - Maule [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Maule [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Wigwam [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 590      
Initial Cost to Company, Building, Equipment and Improvements 16,838      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 162      
Gross Amount at Which Carried at Close of Period, Land 590      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 17,000      
Gross Amount at Which Carried at Close of Period, Total 17,590      
Accumulated Depreciation $ 1,944      
Date of Construction 2008      
Date Acquired Jul. 15, 2016      
Las Vegas - Wigwam [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Wigwam [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Stufflebeam [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 350      
Initial Cost to Company, Building, Equipment and Improvements 6,977      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 417      
Gross Amount at Which Carried at Close of Period, Land 350      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,394      
Gross Amount at Which Carried at Close of Period, Total 7,744      
Accumulated Depreciation $ 868      
Date of Construction 1996      
Date Acquired Jul. 15, 2016      
Las Vegas - Stufflebeam [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Stufflebeam [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Ft. Apache [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 1,470      
Initial Cost to Company, Building, Equipment and Improvements 11,047      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 262      
Gross Amount at Which Carried at Close of Period, Land 1,470      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 11,309      
Gross Amount at Which Carried at Close of Period, Total 12,779      
Accumulated Depreciation $ 1,336      
Date of Construction 2004      
Date Acquired Jul. 15, 2016      
Las Vegas - Ft. Apache [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Ft. Apache [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - North [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 390      
Initial Cost to Company, Building, Equipment and Improvements 7,042      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 228      
Gross Amount at Which Carried at Close of Period, Land 390      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,270      
Gross Amount at Which Carried at Close of Period, Total 7,660      
Accumulated Depreciation $ 852      
Date of Construction 2005      
Date Acquired Jul. 15, 2016      
Las Vegas - North [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - North [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Warm Springs [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 1,340      
Initial Cost to Company, Building, Equipment and Improvements 5,141      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 108      
Gross Amount at Which Carried at Close of Period, Land 1,340      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,249      
Gross Amount at Which Carried at Close of Period, Total 6,589      
Accumulated Depreciation $ 1,080      
Date of Construction 2004      
Date Acquired Jul. 15, 2016      
Las Vegas - Warm Springs [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Warm Springs [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Conestoga [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 1,420      
Initial Cost to Company, Building, Equipment and Improvements 10,295      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 302      
Gross Amount at Which Carried at Close of Period, Land 1,420      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,597      
Gross Amount at Which Carried at Close of Period, Total 12,017      
Accumulated Depreciation $ 1,281      
Date of Construction 2007      
Date Acquired Jul. 15, 2016      
Las Vegas - Conestoga [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Conestoga [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Warm Springs [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 1,080      
Initial Cost to Company, Building, Equipment and Improvements 16,436      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 186      
Gross Amount at Which Carried at Close of Period, Land 1,080      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 16,622      
Gross Amount at Which Carried at Close of Period, Total 17,702      
Accumulated Depreciation $ 1,913      
Date of Construction 2007      
Date Acquired Jul. 15, 2016      
Las Vegas - Warm Springs [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Warm Springs [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Nellis [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 790      
Initial Cost to Company, Building, Equipment and Improvements 5,233      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 730      
Gross Amount at Which Carried at Close of Period, Land 790      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,963      
Gross Amount at Which Carried at Close of Period, Total 6,753      
Accumulated Depreciation $ 730      
Date of Construction 1995      
Date Acquired Jul. 15, 2016      
Las Vegas - Nellis [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Nellis [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Cheyenne [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 1,470      
Initial Cost to Company, Building, Equipment and Improvements 17,366      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 296      
Gross Amount at Which Carried at Close of Period, Land 1,470      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 17,662      
Gross Amount at Which Carried at Close of Period, Total 19,132      
Accumulated Depreciation $ 2,111      
Date of Construction 2004      
Date Acquired Jul. 15, 2016      
Las Vegas - Cheyenne [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Cheyenne [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Dean Martin [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 3,050      
Initial Cost to Company, Building, Equipment and Improvements 23,333      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 212      
Gross Amount at Which Carried at Close of Period, Land 3,050      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 23,545      
Gross Amount at Which Carried at Close of Period, Total 26,595      
Accumulated Depreciation $ 2,972      
Date of Construction 2005      
Date Acquired Jul. 15, 2016      
Las Vegas - Dean Martin [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Dean Martin [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Flamingo [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 980      
Initial Cost to Company, Building, Equipment and Improvements 13,451      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 240      
Gross Amount at Which Carried at Close of Period, Land 980      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 13,691      
Gross Amount at Which Carried at Close of Period, Total 14,671      
Accumulated Depreciation $ 1,587      
Date of Construction 2007      
Date Acquired Jul. 15, 2016      
Las Vegas - Flamingo [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Flamingo [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - North [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 330      
Initial Cost to Company, Building, Equipment and Improvements 15,651      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 226      
Gross Amount at Which Carried at Close of Period, Land 330      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 15,877      
Gross Amount at Which Carried at Close of Period, Total 16,207      
Accumulated Depreciation $ 1,825      
Date of Construction 2007      
Date Acquired Jul. 15, 2016      
Las Vegas - North [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - North [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Henderson [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 570      
Initial Cost to Company, Building, Equipment and Improvements 12,676      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 280      
Gross Amount at Which Carried at Close of Period, Land 570      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,956      
Gross Amount at Which Carried at Close of Period, Total 13,526      
Accumulated Depreciation $ 1,546      
Date of Construction 2005      
Date Acquired Jul. 15, 2016      
Las Vegas - Henderson [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Henderson [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - North [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 520      
Initial Cost to Company, Building, Equipment and Improvements 10,105      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 206      
Gross Amount at Which Carried at Close of Period, Land 520      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,311      
Gross Amount at Which Carried at Close of Period, Total 10,831      
Accumulated Depreciation $ 1,212      
Date of Construction 2002      
Date Acquired Jul. 15, 2016      
Las Vegas - North [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - North [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Farm [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 1,510      
Initial Cost to Company, Building, Equipment and Improvements 9,388      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 116      
Gross Amount at Which Carried at Close of Period, Land 1,510      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,504      
Gross Amount at Which Carried at Close of Period, Total 11,014      
Accumulated Depreciation $ 1,104      
Date of Construction 2008      
Date Acquired Jul. 15, 2016      
Las Vegas - Farm [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Farm [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Los Angeles - Torrance [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 5,250      
Initial Cost to Company, Building, Equipment and Improvements 32,363      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 310      
Gross Amount at Which Carried at Close of Period, Land 5,250      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 32,673      
Gross Amount at Which Carried at Close of Period, Total 37,923      
Accumulated Depreciation $ 3,752      
Date of Construction 2004      
Date Acquired Jul. 15, 2016      
Los Angeles - Torrance [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Los Angeles - Torrance [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Los Angeles - Irvine [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 2,520      
Initial Cost to Company, Building, Equipment and Improvements 18,402      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 301      
Gross Amount at Which Carried at Close of Period, Land 2,520      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 18,703      
Gross Amount at Which Carried at Close of Period, Total 21,223      
Accumulated Depreciation $ 2,196      
Date of Construction 2002      
Date Acquired Jul. 15, 2016      
Los Angeles - Irvine [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Los Angeles - Irvine [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Los Angeles - Palm Desert [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 2,660      
Initial Cost to Company, Building, Equipment and Improvements 16,589      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 329      
Gross Amount at Which Carried at Close of Period, Land 2,660      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 16,918      
Gross Amount at Which Carried at Close of Period, Total 19,578      
Accumulated Depreciation $ 1,990      
Date of Construction 2002      
Date Acquired Jul. 15, 2016      
Los Angeles - Palm Desert [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Los Angeles - Palm Desert [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Milwaukee - Green Bay [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST WI      
Initial Cost to Company, Land $ 750      
Initial Cost to Company, Building, Equipment and Improvements 14,720      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 142      
Gross Amount at Which Carried at Close of Period, Land 750      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 14,862      
Gross Amount at Which Carried at Close of Period, Total 15,612      
Accumulated Depreciation $ 1,718      
Date of Construction 2005      
Date Acquired Jul. 15, 2016      
Milwaukee - Green Bay [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Milwaukee - Green Bay [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Orlando - Winter Garden [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 640      
Initial Cost to Company, Building, Equipment and Improvements 6,688      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 75      
Gross Amount at Which Carried at Close of Period, Land 640      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,763      
Gross Amount at Which Carried at Close of Period, Total 7,403      
Accumulated Depreciation $ 799      
Date of Construction 2006      
Date Acquired Jul. 15, 2016      
Orlando - Winter Garden [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Orlando - Winter Garden [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Orlando - Longwood [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,230      
Initial Cost to Company, Building, Equipment and Improvements 9,586      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 155      
Gross Amount at Which Carried at Close of Period, Land 1,230      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,741      
Gross Amount at Which Carried at Close of Period, Total 10,971      
Accumulated Depreciation $ 1,128      
Date of Construction 2000      
Date Acquired Jul. 15, 2016      
Orlando - Longwood [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Orlando - Longwood [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Orlando - Overland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,080      
Initial Cost to Company, Building, Equipment and Improvements 3,713      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 136      
Gross Amount at Which Carried at Close of Period, Land 1,080      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 3,849      
Gross Amount at Which Carried at Close of Period, Total 4,929      
Accumulated Depreciation $ 468      
Date of Construction 2000      
Date Acquired Jul. 15, 2016      
Orlando - Overland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Orlando - Overland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sacramento - Calvine [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 2,280      
Initial Cost to Company, Building, Equipment and Improvements 17,069      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 130      
Gross Amount at Which Carried at Close of Period, Land 2,280      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 17,199      
Gross Amount at Which Carried at Close of Period, Total 19,479      
Accumulated Depreciation $ 1,996      
Date of Construction 2004      
Date Acquired Jul. 15, 2016      
Sacramento - Calvine [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sacramento - Calvine [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sacramento - Folsom [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 1,200      
Initial Cost to Company, Building, Equipment and Improvements 22,150      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 100      
Gross Amount at Which Carried at Close of Period, Land 1,200      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 22,250      
Gross Amount at Which Carried at Close of Period, Total 23,450      
Accumulated Depreciation $ 2,529      
Date of Construction 2005      
Date Acquired Jul. 15, 2016      
Sacramento - Folsom [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sacramento - Folsom [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sacremento - Pell [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 540      
Initial Cost to Company, Building, Equipment and Improvements 8,874      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 562      
Gross Amount at Which Carried at Close of Period, Land 932      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,044      
Gross Amount at Which Carried at Close of Period, Total 9,976      
Accumulated Depreciation $ 1,092      
Date of Construction 2004      
Date Acquired Jul. 15, 2016      
Sacremento - Pell [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sacremento - Pell [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sacremento - Goldenland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 2,010      
Initial Cost to Company, Building, Equipment and Improvements 8,944      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 210      
Gross Amount at Which Carried at Close of Period, Land 2,010      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,154      
Gross Amount at Which Carried at Close of Period, Total 11,164      
Accumulated Depreciation $ 1,115      
Date of Construction 2005      
Date Acquired Jul. 15, 2016      
Sacremento - Goldenland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sacremento - Goldenland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sacremento - Woodland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 860      
Initial Cost to Company, Building, Equipment and Improvements 10,569      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 84      
Gross Amount at Which Carried at Close of Period, Land 860      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,653      
Gross Amount at Which Carried at Close of Period, Total 11,513      
Accumulated Depreciation $ 1,225      
Date of Construction 2003      
Date Acquired Jul. 15, 2016      
Sacremento - Woodland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sacremento - Woodland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sacramento - El Camino [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 1,450      
Initial Cost to Company, Building, Equipment and Improvements 12,239      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 162      
Gross Amount at Which Carried at Close of Period, Land 1,450      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,401      
Gross Amount at Which Carried at Close of Period, Total 13,851      
Accumulated Depreciation $ 1,449      
Date of Construction 2002      
Date Acquired Jul. 15, 2016      
Sacramento - El Camino [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sacramento - El Camino [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sacramento - Bayou [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 1,640      
Initial Cost to Company, Building, Equipment and Improvements 21,603      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 164      
Gross Amount at Which Carried at Close of Period, Land 1,640      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 21,767      
Gross Amount at Which Carried at Close of Period, Total 23,407      
Accumulated Depreciation $ 2,516      
Date of Construction 2005      
Date Acquired Jul. 15, 2016      
Sacramento - Bayou [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sacramento - Bayou [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sacramento - Calvine [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 2,120      
Initial Cost to Company, Building, Equipment and Improvements 24,650      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 151      
Gross Amount at Which Carried at Close of Period, Land 2,120      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 24,801      
Gross Amount at Which Carried at Close of Period, Total 26,921      
Accumulated Depreciation $ 2,885      
Date of Construction 2003      
Date Acquired Jul. 15, 2016      
Sacramento - Calvine [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sacramento - Calvine [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sacramento - El Dorado Hills [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 1,610      
Initial Cost to Company, Building, Equipment and Improvements 24,829      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 131      
Gross Amount at Which Carried at Close of Period, Land 1,610      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 24,960      
Gross Amount at Which Carried at Close of Period, Total 26,570      
Accumulated Depreciation $ 2,889      
Date of Construction 2007      
Date Acquired Jul. 15, 2016      
Sacramento - El Dorado Hills [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sacramento - El Dorado Hills [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sacramento - Fruitridge [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 1,480      
Initial Cost to Company, Building, Equipment and Improvements 15,695      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 321      
Gross Amount at Which Carried at Close of Period, Land 1,480      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 16,016      
Gross Amount at Which Carried at Close of Period, Total 17,496      
Accumulated Depreciation $ 1,930      
Date of Construction 2007      
Date Acquired Jul. 15, 2016      
Sacramento - Fruitridge [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sacramento - Fruitridge [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio - US 281 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,380      
Initial Cost to Company, Building, Equipment and Improvements 8,457      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 217      
Gross Amount at Which Carried at Close of Period, Land 1,380      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,674      
Gross Amount at Which Carried at Close of Period, Total 10,054      
Accumulated Depreciation $ 1,008      
Date of Construction 2003      
Date Acquired Jul. 15, 2016      
San Antonio - US 281 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio - US 281 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin - San Marcos [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 990      
Initial Cost to Company, Building, Equipment and Improvements 7,323      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 117      
Gross Amount at Which Carried at Close of Period, Land 990      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,440      
Gross Amount at Which Carried at Close of Period, Total 8,430      
Accumulated Depreciation $ 883      
Date of Construction 2016      
Date Acquired Jul. 15, 2016      
Austin - San Marcos [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin - San Marcos [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Charleston [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST SC      
Initial Cost to Company, Land $ 920      
Initial Cost to Company, Building, Equipment and Improvements 7,700      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 58      
Gross Amount at Which Carried at Close of Period, Land 920      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,758      
Gross Amount at Which Carried at Close of Period, Total 8,678      
Accumulated Depreciation $ 924      
Date of Construction 2016      
Date Acquired Jul. 29, 2016      
Charleston [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charleston [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Denver - Westminster [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CO      
Initial Cost to Company, Land $ 5,062      
Initial Cost to Company, Building, Equipment and Improvements 3,679      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 451      
Gross Amount at Which Carried at Close of Period, Land 5,062      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,130      
Gross Amount at Which Carried at Close of Period, Total 9,192      
Accumulated Depreciation $ 470      
Date of Construction 2000      
Date Acquired Aug. 04, 2016      
Denver - Westminster [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Denver - Westminster [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Arlington Hgts. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 370      
Initial Cost to Company, Building, Equipment and Improvements 8,513      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 141      
Gross Amount at Which Carried at Close of Period, Land 370      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,654      
Gross Amount at Which Carried at Close of Period, Total 9,024      
Accumulated Depreciation $ 922      
Date of Construction 2016      
Date Acquired Nov. 17, 2016      
Chicago - Arlington Hgts. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Arlington Hgts. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Orlando - Curry Ford [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 3,268      
Initial Cost to Company, Building, Equipment and Improvements 6,378      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 282      
Gross Amount at Which Carried at Close of Period, Land 3,268      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,660      
Gross Amount at Which Carried at Close of Period, Total 9,928      
Accumulated Depreciation $ 704      
Date of Construction 2016      
Date Acquired Dec. 20, 2016      
Orlando - Curry Ford [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Orlando - Curry Ford [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chicago - Lombard [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST IL      
Initial Cost to Company, Land $ 771      
Initial Cost to Company, Building, Equipment and Improvements 9,318      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 12      
Gross Amount at Which Carried at Close of Period, Land 771      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,330      
Gross Amount at Which Carried at Close of Period, Total 10,101      
Accumulated Depreciation $ 921      
Date of Construction 2017      
Date Acquired Feb. 23, 2017      
Chicago - Lombard [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chicago - Lombard [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Austin - Mary St. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,358      
Initial Cost to Company, Building, Equipment and Improvements 13,041      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 21      
Gross Amount at Which Carried at Close of Period, Land 1,358      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 13,062      
Gross Amount at Which Carried at Close of Period, Total 14,420      
Accumulated Depreciation $ 423      
Date of Construction 2017      
Date Acquired Apr. 03, 2017      
Austin - Mary St. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Austin - Mary St. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Charlotte - Morehead St.. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 1,110      
Initial Cost to Company, Building, Equipment and Improvements 11,439      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 73      
Gross Amount at Which Carried at Close of Period, Land 1,110      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 11,512      
Gross Amount at Which Carried at Close of Period, Total 12,622      
Accumulated Depreciation $ 913      
Date of Construction 2017      
Date Acquired Dec. 14, 2017      
Charlotte - Morehead St.. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charlotte - Morehead St.. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Londonderry - Smith Ln. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NH      
Initial Cost to Company, Land $ 1,257      
Initial Cost to Company, Building, Equipment and Improvements 4,276      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 70      
Gross Amount at Which Carried at Close of Period, Land 1,257      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,346      
Gross Amount at Which Carried at Close of Period, Total 5,603      
Accumulated Depreciation $ 285      
Date of Construction 2016      
Date Acquired Sep. 04, 2018      
Londonderry - Smith Ln. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Londonderry - Smith Ln. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sacramento - Main Ave. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 2,089      
Initial Cost to Company, Building, Equipment and Improvements 11,551      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2,312      
Gross Amount at Which Carried at Close of Period, Land 2,089      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 13,863      
Gross Amount at Which Carried at Close of Period, Total 15,952      
Accumulated Depreciation $ 747      
Date of Construction 2016/18/19      
Date Acquired Sep. 18, 2018      
Sacramento - Main Ave. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sacramento - Main Ave. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Carmel - Old Rt. 6 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 3,358      
Initial Cost to Company, Building, Equipment and Improvements 4,536      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 42      
Gross Amount at Which Carried at Close of Period, Land 3,358      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,578      
Gross Amount at Which Carried at Close of Period, Total 7,936      
Accumulated Depreciation $ 266      
Date of Construction 1998/2000      
Date Acquired Oct. 02, 2018      
Carmel - Old Rt. 6 [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Carmel - Old Rt. 6 [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chamblee - Peachtree Blvd. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 1,665      
Initial Cost to Company, Building, Equipment and Improvements 12,479      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 49      
Gross Amount at Which Carried at Close of Period, Land 1,666      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,527      
Gross Amount at Which Carried at Close of Period, Total 14,193      
Accumulated Depreciation $ 716      
Date of Construction 2018      
Date Acquired Nov. 01, 2018      
Chamblee - Peachtree Blvd. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chamblee - Peachtree Blvd. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
West Sacramento - Jefferson [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 1,331      
Initial Cost to Company, Building, Equipment and Improvements 8,131      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 50      
Gross Amount at Which Carried at Close of Period, Land 1,331      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,181      
Gross Amount at Which Carried at Close of Period, Total 9,512      
Accumulated Depreciation $ 446      
Date of Construction 2013/2018      
Date Acquired Dec. 07, 2018      
West Sacramento - Jefferson [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
West Sacramento - Jefferson [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Orlando - Semoran Blvd. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 2,014      
Initial Cost to Company, Building, Equipment and Improvements 7,534      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 550      
Gross Amount at Which Carried at Close of Period, Land 2,014      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,084      
Gross Amount at Which Carried at Close of Period, Total 10,098      
Accumulated Depreciation $ 423      
Date of Construction 2015      
Date Acquired Dec. 11, 2018      
Orlando - Semoran Blvd. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Orlando - Semoran Blvd. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Riverhead - Flanders Rd. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 3,969      
Initial Cost to Company, Building, Equipment and Improvements 3,138      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3,146      
Gross Amount at Which Carried at Close of Period, Land 3,970      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,283      
Gross Amount at Which Carried at Close of Period, Total 10,253      
Accumulated Depreciation $ 177      
Date of Construction 1995/2020      
Date Acquired Dec. 20, 2018      
Riverhead - Flanders Rd. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Riverhead - Flanders Rd. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Saint Louis - Manchester Ave. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 1,633      
Initial Cost to Company, Building, Equipment and Improvements 7,620      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 61      
Gross Amount at Which Carried at Close of Period, Land 1,633      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,681      
Gross Amount at Which Carried at Close of Period, Total 9,314      
Accumulated Depreciation $ 393      
Date of Construction 2017      
Date Acquired Dec. 27, 2018      
Saint Louis - Manchester Ave. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Saint Louis - Manchester Ave. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Long Island City [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 30,094      
Initial Cost to Company, Building, Equipment and Improvements 26,927      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 35      
Gross Amount at Which Carried at Close of Period, Land 30,094      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 26,962      
Gross Amount at Which Carried at Close of Period, Total 57,056      
Accumulated Depreciation $ 1,314      
Date of Construction 2017      
Date Acquired Jan. 16, 2019      
Long Island City [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Long Island City [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Tampa - MLK Jr. Blvd. [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,817      
Initial Cost to Company, Building, Equipment and Improvements 7,377      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 62      
Gross Amount at Which Carried at Close of Period, Land 1,817      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,439      
Gross Amount at Which Carried at Close of Period, Total 9,256      
Accumulated Depreciation $ 368      
Date of Construction 2017      
Date Acquired Mar. 08, 2019      
Tampa - MLK Jr. Blvd. [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Tampa - MLK Jr. Blvd. [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cleveland - Wickliffe [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 690      
Initial Cost to Company, Building, Equipment and Improvements 6,784      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 159      
Gross Amount at Which Carried at Close of Period, Land 690      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,943      
Gross Amount at Which Carried at Close of Period, Total 7,633      
Accumulated Depreciation $ 303      
Date of Construction 1997      
Date Acquired Apr. 30, 2019      
Cleveland - Wickliffe [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cleveland - Wickliffe [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cleveland - Highland Heights [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 1,036      
Initial Cost to Company, Building, Equipment and Improvements 9,518      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 110      
Gross Amount at Which Carried at Close of Period, Land 1,036      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,628      
Gross Amount at Which Carried at Close of Period, Total 10,664      
Accumulated Depreciation $ 425      
Date of Construction 2000      
Date Acquired Apr. 30, 2019      
Cleveland - Highland Heights [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cleveland - Highland Heights [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cleveland - Westlake [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 379      
Initial Cost to Company, Building, Equipment and Improvements 14,354      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 101      
Gross Amount at Which Carried at Close of Period, Land 379      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 14,455      
Gross Amount at Which Carried at Close of Period, Total 14,834      
Accumulated Depreciation $ 612      
Date of Construction 2008      
Date Acquired Apr. 30, 2019      
Cleveland - Westlake [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cleveland - Westlake [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Jacksonville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 662      
Initial Cost to Company, Building, Equipment and Improvements 9,208      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 69      
Gross Amount at Which Carried at Close of Period, Land 662      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,277      
Gross Amount at Which Carried at Close of Period, Total 9,939      
Accumulated Depreciation $ 391      
Date of Construction 2018      
Date Acquired Jun. 11, 2019      
Jacksonville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Jacksonville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Wake Forest [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NC      
Initial Cost to Company, Land $ 803      
Initial Cost to Company, Building, Equipment and Improvements 10,954      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 63      
Gross Amount at Which Carried at Close of Period, Land 803      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 11,017      
Gross Amount at Which Carried at Close of Period, Total 11,820      
Accumulated Depreciation $ 432      
Date of Construction 2017      
Date Acquired Jul. 12, 2019      
Wake Forest [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Wake Forest [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chantilly [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 2,723      
Initial Cost to Company, Building, Equipment and Improvements 12,298      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 39      
Gross Amount at Which Carried at Close of Period, Land 2,723      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,337      
Gross Amount at Which Carried at Close of Period, Total 15,060      
Accumulated Depreciation $ 478      
Date of Construction 2018      
Date Acquired Jul. 12, 2019      
Chantilly [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chantilly [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Chattanooga [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TN      
Initial Cost to Company, Land $ 1,266      
Initial Cost to Company, Building, Equipment and Improvements 8,250      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 102      
Gross Amount at Which Carried at Close of Period, Land 1,266      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,352      
Gross Amount at Which Carried at Close of Period, Total 9,618      
Accumulated Depreciation $ 336      
Date of Construction 2017      
Date Acquired Jul. 12, 2019      
Chattanooga [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Chattanooga [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Tampa - Lutz [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 663      
Initial Cost to Company, Building, Equipment and Improvements 9,665      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 113      
Gross Amount at Which Carried at Close of Period, Land 663      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,778      
Gross Amount at Which Carried at Close of Period, Total 10,441      
Accumulated Depreciation $ 399      
Date of Construction 2018      
Date Acquired Jul. 12, 2019      
Tampa - Lutz [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Tampa - Lutz [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Summerville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST SC      
Initial Cost to Company, Land $ 2,250      
Initial Cost to Company, Building, Equipment and Improvements 5,344      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 75      
Gross Amount at Which Carried at Close of Period, Land 2,250      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,419      
Gross Amount at Which Carried at Close of Period, Total 7,669      
Accumulated Depreciation $ 225      
Date of Construction 2017      
Date Acquired Jul. 12, 2019      
Summerville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Summerville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Charleston - Summerville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST SC      
Initial Cost to Company, Land $ 2,824      
Initial Cost to Company, Building, Equipment and Improvements 10,634      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 62      
Gross Amount at Which Carried at Close of Period, Land 2,824      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,696      
Gross Amount at Which Carried at Close of Period, Total 13,520      
Accumulated Depreciation $ 420      
Date of Construction 2018      
Date Acquired Jul. 12, 2019      
Charleston - Summerville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Charleston - Summerville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dumfries [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 891      
Initial Cost to Company, Building, Equipment and Improvements 7,700      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 101      
Gross Amount at Which Carried at Close of Period, Land 891      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,801      
Gross Amount at Which Carried at Close of Period, Total 8,692      
Accumulated Depreciation $ 313      
Date of Construction 2017      
Date Acquired Jul. 12, 2019      
Dumfries [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dumfries [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Greenville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST SC      
Initial Cost to Company, Land $ 1,421      
Initial Cost to Company, Building, Equipment and Improvements 10,303      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 67      
Gross Amount at Which Carried at Close of Period, Land 1,421      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,370      
Gross Amount at Which Carried at Close of Period, Total 11,791      
Accumulated Depreciation $ 416      
Date of Construction 2017      
Date Acquired Jul. 12, 2019      
Greenville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Greenville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Cumming [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 753      
Initial Cost to Company, Building, Equipment and Improvements 9,804      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 80      
Gross Amount at Which Carried at Close of Period, Land 753      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,884      
Gross Amount at Which Carried at Close of Period, Total 10,637      
Accumulated Depreciation $ 389      
Date of Construction 2018      
Date Acquired Jul. 12, 2019      
Cumming [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Cumming [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Glen Allen [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 4,296      
Initial Cost to Company, Building, Equipment and Improvements 11,029      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 67      
Gross Amount at Which Carried at Close of Period, Land 4,296      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 11,096      
Gross Amount at Which Carried at Close of Period, Total 15,392      
Accumulated Depreciation $ 437      
Date of Construction 2018      
Date Acquired Jul. 12, 2019      
Glen Allen [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Glen Allen [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Tampa - Trout Creek Drive [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,083      
Initial Cost to Company, Building, Equipment and Improvements 10,691      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 59      
Gross Amount at Which Carried at Close of Period, Land 1,083      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,750      
Gross Amount at Which Carried at Close of Period, Total 11,833      
Accumulated Depreciation $ 424      
Date of Construction 2017      
Date Acquired Jul. 12, 2019      
Tampa - Trout Creek Drive [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Tampa - Trout Creek Drive [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Midlothian [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST VA      
Initial Cost to Company, Land $ 1,726      
Initial Cost to Company, Building, Equipment and Improvements 6,695      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 68      
Gross Amount at Which Carried at Close of Period, Land 1,726      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,763      
Gross Amount at Which Carried at Close of Period, Total 8,489      
Accumulated Depreciation $ 274      
Date of Construction 2018      
Date Acquired Jul. 12, 2019      
Midlothian [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Midlothian [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Las Vegas - Boulder Hwy [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NV      
Initial Cost to Company, Land $ 4,586      
Initial Cost to Company, Building, Equipment and Improvements 7,853      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 215      
Gross Amount at Which Carried at Close of Period, Land 4,586      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,068      
Gross Amount at Which Carried at Close of Period, Total 12,654      
Accumulated Depreciation $ 280      
Date of Construction 1979/1993      
Date Acquired Aug. 29, 2019      
Las Vegas - Boulder Hwy [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Las Vegas - Boulder Hwy [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Seattle - Auburn [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST WA      
Encumbrance $ 8,775      
Initial Cost to Company, Land 3,261      
Initial Cost to Company, Building, Equipment and Improvements 16,051      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 42      
Gross Amount at Which Carried at Close of Period, Land 3,261      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 16,093      
Gross Amount at Which Carried at Close of Period, Total 19,354      
Accumulated Depreciation $ 508      
Date of Construction 1986/2000      
Date Acquired Sep. 24, 2019      
Seattle - Auburn [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Seattle - Auburn [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Seattle - Yancy Street [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST WA      
Encumbrance $ 7,891      
Initial Cost to Company, Land 10,629      
Initial Cost to Company, Building, Equipment and Improvements 8,570      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 86      
Gross Amount at Which Carried at Close of Period, Land 10,629      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,656      
Gross Amount at Which Carried at Close of Period, Total 19,285      
Accumulated Depreciation $ 273      
Date of Construction 1994      
Date Acquired Sep. 24, 2019      
Seattle - Yancy Street [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Seattle - Yancy Street [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Seattle - 114th Street [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST WA      
Encumbrance $ 6,018      
Initial Cost to Company, Land 6,995      
Initial Cost to Company, Building, Equipment and Improvements 10,257      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 116      
Gross Amount at Which Carried at Close of Period, Land 6,995      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,373      
Gross Amount at Which Carried at Close of Period, Total 17,368      
Accumulated Depreciation $ 326      
Date of Construction 1995      
Date Acquired Sep. 24, 2019      
Seattle - 114th Street [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Seattle - 114th Street [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Baltimore - Pulaski Hwy [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MD      
Initial Cost to Company, Land $ 4,070      
Initial Cost to Company, Building, Equipment and Improvements 6,878      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 27      
Gross Amount at Which Carried at Close of Period, Land 4,070      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,905      
Gross Amount at Which Carried at Close of Period, Total 10,975      
Accumulated Depreciation $ 223      
Date of Construction 1984      
Date Acquired Sep. 26, 2019      
Baltimore - Pulaski Hwy [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Baltimore - Pulaski Hwy [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Baltimore - North Point Road [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MD      
Initial Cost to Company, Land $ 1,995      
Initial Cost to Company, Building, Equipment and Improvements 7,634      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 51      
Gross Amount at Which Carried at Close of Period, Land 1,995      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,685      
Gross Amount at Which Carried at Close of Period, Total 9,680      
Accumulated Depreciation $ 252      
Date of Construction 1990      
Date Acquired Sep. 26, 2019      
Baltimore - North Point Road [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Baltimore - North Point Road [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Baltimore - Fontana Lane [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MD      
Initial Cost to Company, Land $ 2,097      
Initial Cost to Company, Building, Equipment and Improvements 7,658      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 28      
Gross Amount at Which Carried at Close of Period, Land 2,097      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,686      
Gross Amount at Which Carried at Close of Period, Total 9,783      
Accumulated Depreciation $ 252      
Date of Construction 1989      
Date Acquired Sep. 26, 2019      
Baltimore - Fontana Lane [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Baltimore - Fontana Lane [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Baltimore - Jessup [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MD      
Initial Cost to Company, Land $ 13,411      
Initial Cost to Company, Building, Equipment and Improvements 9,622      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 27      
Gross Amount at Which Carried at Close of Period, Land 13,411      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,649      
Gross Amount at Which Carried at Close of Period, Total 23,060      
Accumulated Depreciation $ 314      
Date of Construction 1987      
Date Acquired Sep. 26, 2019      
Baltimore - Jessup [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Baltimore - Jessup [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Baltimore - Windsor Mill Road [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MD      
Initial Cost to Company, Land $ 2,195      
Initial Cost to Company, Building, Equipment and Improvements 6,646      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 34      
Gross Amount at Which Carried at Close of Period, Land 2,195      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,680      
Gross Amount at Which Carried at Close of Period, Total 8,875      
Accumulated Depreciation $ 217      
Date of Construction 1989      
Date Acquired Sep. 26, 2019      
Baltimore - Windsor Mill Road [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Baltimore - Windsor Mill Road [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Norwood [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 1,875      
Initial Cost to Company, Building, Equipment and Improvements 16,910      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 43      
Gross Amount at Which Carried at Close of Period, Land 1,875      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 16,953      
Gross Amount at Which Carried at Close of Period, Total 18,828      
Accumulated Depreciation $ 503      
Date of Construction 2006      
Date Acquired Oct. 23, 2019      
Norwood [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Norwood [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Ocean Township [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 4,058      
Initial Cost to Company, Building, Equipment and Improvements 14,014      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 262      
Gross Amount at Which Carried at Close of Period, Land 4,058      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 14,276      
Gross Amount at Which Carried at Close of Period, Total 18,334      
Accumulated Depreciation $ 392      
Date of Construction 1994/2019      
Date Acquired Dec. 12, 2019      
Ocean Township [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Ocean Township [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Elk Grove [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 2,873      
Initial Cost to Company, Building, Equipment and Improvements 14,977      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 2      
Gross Amount at Which Carried at Close of Period, Land 2,873      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 14,979      
Gross Amount at Which Carried at Close of Period, Total 17,852      
Accumulated Depreciation $ 320      
Date of Construction 2000      
Date Acquired Mar. 09, 2020      
Elk Grove [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Elk Grove [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Corporate Office [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Building, Equipment and Improvements $ 68      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 49,179      
Gross Amount at Which Carried at Close of Period, Land 1,632      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 47,615      
Gross Amount at Which Carried at Close of Period, Total 49,247      
Accumulated Depreciation $ 30,015      
Date of Construction 2000      
Date Acquired May 01, 2000      
Corporate Office [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Corporate Office [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Norco [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 3,532      
Initial Cost to Company, Building, Equipment and Improvements 19,613      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 9      
Gross Amount at Which Carried at Close of Period, Land 3,532      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 19,622      
Gross Amount at Which Carried at Close of Period, Total 23,154      
Accumulated Depreciation $ 416      
Date of Construction 2011      
Date Acquired Mar. 09, 2020      
Norco [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Norco [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Rohnert Park [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 2,546      
Initial Cost to Company, Building, Equipment and Improvements 13,242      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 10      
Gross Amount at Which Carried at Close of Period, Land 2,546      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 13,252      
Gross Amount at Which Carried at Close of Period, Total 15,798      
Accumulated Depreciation $ 279      
Date of Construction 1984      
Date Acquired Mar. 09, 2020      
Rohnert Park [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Rohnert Park [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Jose [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 7,887      
Initial Cost to Company, Building, Equipment and Improvements 20,042      
Gross Amount at Which Carried at Close of Period, Land 7,887      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 20,042      
Gross Amount at Which Carried at Close of Period, Total 27,929      
Accumulated Depreciation $ 420      
Date of Construction 1999      
Date Acquired Mar. 09, 2020      
San Jose [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Jose [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Palmdale [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 1,939      
Initial Cost to Company, Building, Equipment and Improvements 16,039      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 105      
Gross Amount at Which Carried at Close of Period, Land 1,939      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 16,144      
Gross Amount at Which Carried at Close of Period, Total 18,083      
Accumulated Depreciation $ 340      
Date of Construction 2005      
Date Acquired Mar. 09, 2020      
Palmdale [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Palmdale [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Lancaster [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 1,529      
Initial Cost to Company, Building, Equipment and Improvements 17,822      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 36      
Gross Amount at Which Carried at Close of Period, Land 1,529      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 17,858      
Gross Amount at Which Carried at Close of Period, Total 19,387      
Accumulated Depreciation $ 380      
Date of Construction 2001      
Date Acquired Mar. 09, 2020      
Lancaster [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Lancaster [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Tampa - E Fletcher Ave [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 2,576      
Initial Cost to Company, Building, Equipment and Improvements 7,101      
Gross Amount at Which Carried at Close of Period, Land 2,576      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,101      
Gross Amount at Which Carried at Close of Period, Total 9,677      
Accumulated Depreciation $ 48      
Date of Construction 1980/1983/1996      
Date Acquired Sep. 29, 2020      
Tampa - E Fletcher Ave [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Tampa - E Fletcher Ave [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Tampa - W Hillsborough Ave [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,389      
Initial Cost to Company, Building, Equipment and Improvements 6,280      
Gross Amount at Which Carried at Close of Period, Land 1,389      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,280      
Gross Amount at Which Carried at Close of Period, Total 7,669      
Accumulated Depreciation $ 41      
Date of Construction 1985/1986/2000      
Date Acquired Sep. 29, 2020      
Tampa - W Hillsborough Ave [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Tampa - W Hillsborough Ave [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio - Culebra Rd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 888      
Initial Cost to Company, Building, Equipment and Improvements 4,391      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4      
Gross Amount at Which Carried at Close of Period, Land 888      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,395      
Gross Amount at Which Carried at Close of Period, Total 5,283      
Accumulated Depreciation $ 29      
Date of Construction 2008      
Date Acquired Sep. 29, 2020      
San Antonio - Culebra Rd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio - Culebra Rd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Columbus - Cleveland Ave [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 962      
Initial Cost to Company, Building, Equipment and Improvements 5,218      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 16      
Gross Amount at Which Carried at Close of Period, Land 962      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,234      
Gross Amount at Which Carried at Close of Period, Total 6,196      
Accumulated Depreciation $ 34      
Date of Construction 2000      
Date Acquired Sep. 29, 2020      
Columbus - Cleveland Ave [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Columbus - Cleveland Ave [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Columbus - Evanswood Dr [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 1,342      
Initial Cost to Company, Building, Equipment and Improvements 6,932      
Gross Amount at Which Carried at Close of Period, Land 1,342      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,932      
Gross Amount at Which Carried at Close of Period, Total 8,274      
Accumulated Depreciation $ 44      
Date of Construction 2000      
Date Acquired Sep. 29, 2020      
Columbus - Evanswood Dr [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Columbus - Evanswood Dr [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
San Antonio - Jackson Keller Rd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,482      
Initial Cost to Company, Building, Equipment and Improvements 9,148      
Gross Amount at Which Carried at Close of Period, Land 1,482      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,148      
Gross Amount at Which Carried at Close of Period, Total 10,630      
Accumulated Depreciation $ 59      
Date of Construction 1984      
Date Acquired Sep. 29, 2020      
San Antonio - Jackson Keller Rd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
San Antonio - Jackson Keller Rd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Whitehall [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 807      
Initial Cost to Company, Building, Equipment and Improvements 4,380      
Gross Amount at Which Carried at Close of Period, Land 807      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,380      
Gross Amount at Which Carried at Close of Period, Total 5,187      
Accumulated Depreciation $ 28      
Date of Construction 2000      
Date Acquired Sep. 29, 2020      
Whitehall [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Whitehall [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas - S Buckner Blvd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 2,040      
Initial Cost to Company, Building, Equipment and Improvements 4,902      
Gross Amount at Which Carried at Close of Period, Land 2,040      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,902      
Gross Amount at Which Carried at Close of Period, Total 6,942      
Accumulated Depreciation $ 32      
Date of Construction 1985      
Date Acquired Sep. 29, 2020      
Dallas - S Buckner Blvd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas - S Buckner Blvd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Garland [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,565      
Initial Cost to Company, Building, Equipment and Improvements 5,465      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 8      
Gross Amount at Which Carried at Close of Period, Land 1,565      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 5,473      
Gross Amount at Which Carried at Close of Period, Total 7,038      
Accumulated Depreciation $ 35      
Date of Construction 1984      
Date Acquired Sep. 29, 2020      
Garland [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Garland [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dallas - N Buckner Blvd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST TX      
Initial Cost to Company, Land $ 1,782      
Initial Cost to Company, Building, Equipment and Improvements 4,990      
Gross Amount at Which Carried at Close of Period, Land 1,782      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 4,990      
Gross Amount at Which Carried at Close of Period, Total 6,772      
Accumulated Depreciation $ 32      
Date of Construction 1985      
Date Acquired Sep. 29, 2020      
Dallas - N Buckner Blvd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dallas - N Buckner Blvd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Columbus - W Henderson Rd [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 1,304      
Initial Cost to Company, Building, Equipment and Improvements 11,847      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 14      
Gross Amount at Which Carried at Close of Period, Land 1,304      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 11,861      
Gross Amount at Which Carried at Close of Period, Total 13,165      
Accumulated Depreciation $ 76      
Date of Construction 2000      
Date Acquired Sep. 29, 2020      
Columbus - W Henderson Rd [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Columbus - W Henderson Rd [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Miami - SW 28th Ln [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 2,568      
Initial Cost to Company, Building, Equipment and Improvements 16,912      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4      
Gross Amount at Which Carried at Close of Period, Land 2,568      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 16,916      
Gross Amount at Which Carried at Close of Period, Total 19,484      
Accumulated Depreciation $ 107      
Date of Construction 1999      
Date Acquired Sep. 29, 2020      
Miami - SW 28th Ln [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Miami - SW 28th Ln [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Decatur [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST GA      
Initial Cost to Company, Land $ 2,110      
Initial Cost to Company, Building, Equipment and Improvements 8,486      
Gross Amount at Which Carried at Close of Period, Land 2,110      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,486      
Gross Amount at Which Carried at Close of Period, Total 10,596      
Accumulated Depreciation $ 55      
Date of Construction 1972/1998      
Date Acquired Sep. 29, 2020      
Decatur [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Decatur [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Columbus - E Broad St [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 975      
Initial Cost to Company, Building, Equipment and Improvements 7,804      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 40      
Gross Amount at Which Carried at Close of Period, Land 975      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 7,844      
Gross Amount at Which Carried at Close of Period, Total 8,819      
Accumulated Depreciation $ 50      
Date of Construction 2000      
Date Acquired Sep. 29, 2020      
Columbus - E Broad St [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Columbus - E Broad St [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dublin [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST OH      
Initial Cost to Company, Land $ 1,061      
Initial Cost to Company, Building, Equipment and Improvements 9,710      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 21      
Gross Amount at Which Carried at Close of Period, Land 1,061      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,731      
Gross Amount at Which Carried at Close of Period, Total 10,792      
Accumulated Depreciation $ 62      
Date of Construction 2000      
Date Acquired Sep. 29, 2020      
Dublin [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dublin [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
North Brunswick [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 1,280      
Initial Cost to Company, Building, Equipment and Improvements 13,637      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 13      
Gross Amount at Which Carried at Close of Period, Land 1,280      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 13,650      
Gross Amount at Which Carried at Close of Period, Total 14,930      
Accumulated Depreciation $ 87      
Date of Construction 1986      
Date Acquired Sep. 29, 2020      
North Brunswick [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
North Brunswick [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Hillsborough [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 1,077      
Initial Cost to Company, Building, Equipment and Improvements 10,560      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 20      
Gross Amount at Which Carried at Close of Period, Land 1,077      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 10,580      
Gross Amount at Which Carried at Close of Period, Total 11,657      
Accumulated Depreciation $ 67      
Date of Construction 1993      
Date Acquired Sep. 29, 2020      
Hillsborough [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Hillsborough [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Lodi        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 2,108      
Initial Cost to Company, Building, Equipment and Improvements 17,758      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 53      
Gross Amount at Which Carried at Close of Period, Land 2,108      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 17,811      
Gross Amount at Which Carried at Close of Period, Total 19,919      
Accumulated Depreciation $ 115      
Date of Construction 1998      
Date Acquired Sep. 29, 2020      
Lodi | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Lodi | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Flemington [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 855      
Initial Cost to Company, Building, Equipment and Improvements 15,942      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 27      
Gross Amount at Which Carried at Close of Period, Land 855      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 15,969      
Gross Amount at Which Carried at Close of Period, Total 16,824      
Accumulated Depreciation $ 101      
Date of Construction 1993      
Date Acquired Sep. 29, 2020      
Flemington [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Flemington [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
East Windsor [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 929      
Initial Cost to Company, Building, Equipment and Improvements 16,063      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 13      
Gross Amount at Which Carried at Close of Period, Land 929      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 16,076      
Gross Amount at Which Carried at Close of Period, Total 17,005      
Accumulated Depreciation $ 102      
Date of Construction 1993      
Date Acquired Sep. 29, 2020      
East Windsor [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
East Windsor [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Ottsville [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST PA      
Initial Cost to Company, Land $ 1,032      
Initial Cost to Company, Building, Equipment and Improvements 14,481      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 7      
Gross Amount at Which Carried at Close of Period, Land 1,032      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 14,488      
Gross Amount at Which Carried at Close of Period, Total 15,520      
Accumulated Depreciation $ 94      
Date of Construction 2001      
Date Acquired Sep. 29, 2020      
Ottsville [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Ottsville [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
East Stroudsburg [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST PA      
Initial Cost to Company, Land $ 676      
Initial Cost to Company, Building, Equipment and Improvements 9,593      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 3      
Gross Amount at Which Carried at Close of Period, Land 676      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,596      
Gross Amount at Which Carried at Close of Period, Total 10,272      
Accumulated Depreciation $ 61      
Date of Construction 2000      
Date Acquired Sep. 29, 2020      
East Stroudsburg [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
East Stroudsburg [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Doylestown        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST PA      
Initial Cost to Company, Land $ 741      
Initial Cost to Company, Building, Equipment and Improvements 11,560      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 11      
Gross Amount at Which Carried at Close of Period, Land 741      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 11,571      
Gross Amount at Which Carried at Close of Period, Total 12,312      
Accumulated Depreciation $ 74      
Date of Construction 2001      
Date Acquired Sep. 29, 2020      
Doylestown | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Doylestown | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Monmouth Junction [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Initial Cost to Company, Land $ 1,005      
Initial Cost to Company, Building, Equipment and Improvements 20,947      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 18      
Gross Amount at Which Carried at Close of Period, Land 1,005      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 20,965      
Gross Amount at Which Carried at Close of Period, Total 21,970      
Accumulated Depreciation $ 132      
Date of Construction 2006      
Date Acquired Sep. 29, 2020      
Monmouth Junction [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Monmouth Junction [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
King of Prussia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST PA      
Initial Cost to Company, Building, Equipment and Improvements $ 13,736      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 13,740      
Gross Amount at Which Carried at Close of Period, Total 13,740      
Accumulated Depreciation $ 87      
Date of Construction 2005      
Date Acquired Sep. 29, 2020      
King of Prussia [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
King of Prussia [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Trenton [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NJ      
Encumbrance $ 6,343      
Initial Cost to Company, Land 2,158      
Initial Cost to Company, Building, Equipment and Improvements 11,497      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 5      
Gross Amount at Which Carried at Close of Period, Land 2,158      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 11,502      
Gross Amount at Which Carried at Close of Period, Total 13,660      
Accumulated Depreciation $ 49      
Date of Construction 2008      
Date Acquired Nov. 05, 2020      
Trenton [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Trenton [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Miami - Coral Way [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 2,032      
Initial Cost to Company, Building, Equipment and Improvements 9,325      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 29      
Gross Amount at Which Carried at Close of Period, Land 2,032      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,354      
Gross Amount at Which Carried at Close of Period, Total 11,386      
Accumulated Depreciation $ 27      
Date of Construction 2018      
Date Acquired Nov. 25, 2020      
Miami - Coral Way [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Miami - Coral Way [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Dardenne Prairie [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST MO      
Initial Cost to Company, Land $ 1,312      
Initial Cost to Company, Building, Equipment and Improvements 6,070      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 6      
Gross Amount at Which Carried at Close of Period, Land 1,312      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 6,076      
Gross Amount at Which Carried at Close of Period, Total 7,388      
Accumulated Depreciation $ 13      
Date of Construction 2017      
Date Acquired Dec. 09, 2020      
Dardenne Prairie [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Dardenne Prairie [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Brandon [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,747      
Initial Cost to Company, Building, Equipment and Improvements 8,863      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 21      
Gross Amount at Which Carried at Close of Period, Land 1,747      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,884      
Gross Amount at Which Carried at Close of Period, Total 10,631      
Accumulated Depreciation $ 25      
Date of Construction 2014      
Date Acquired Dec. 14, 2020      
Brandon [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Brandon [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Sarasota - South Tamiami Trail [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST FL      
Initial Cost to Company, Land $ 1,240      
Initial Cost to Company, Building, Equipment and Improvements 14,063      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 5      
Gross Amount at Which Carried at Close of Period, Land 1,240      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 14,068      
Gross Amount at Which Carried at Close of Period, Total 15,308      
Accumulated Depreciation $ 30      
Date of Construction 2007      
Date Acquired Dec. 14, 2020      
Sarasota - South Tamiami Trail [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Sarasota - South Tamiami Trail [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Murrells Inlet [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST SC      
Initial Cost to Company, Land $ 671      
Initial Cost to Company, Building, Equipment and Improvements 8,771      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4      
Gross Amount at Which Carried at Close of Period, Land 671      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 8,775      
Gross Amount at Which Carried at Close of Period, Total $ 9,446      
Date of Construction 2019      
Date Acquired Dec. 22, 2020      
Murrells Inlet [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Murrells Inlet [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Loomis [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 3,528      
Initial Cost to Company, Building, Equipment and Improvements 12,127      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 4      
Gross Amount at Which Carried at Close of Period, Land 3,528      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 12,131      
Gross Amount at Which Carried at Close of Period, Total $ 15,659      
Date of Construction 1998      
Date Acquired Dec. 23, 2020      
Loomis [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Loomis [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Buffalo - Kenmore Ave [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST NY      
Initial Cost to Company, Land $ 507      
Initial Cost to Company, Building, Equipment and Improvements 16,195      
Gross Amount at Which Carried at Close of Period, Land 507      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 16,195      
Gross Amount at Which Carried at Close of Period, Total $ 16,702      
Date of Construction 2016      
Date Acquired Dec. 28, 2020      
Buffalo - Kenmore Ave [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Buffalo - Kenmore Ave [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years      
Palm Desert [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
ST CA      
Initial Cost to Company, Land $ 1,588      
Initial Cost to Company, Building, Equipment and Improvements 9,787      
Cost Capitalized Subsequent to Acquisition, Building, Equipment and Improvements 5      
Gross Amount at Which Carried at Close of Period, Land 1,588      
Gross Amount at Which Carried at Close of Period, Building, Equipment and Improvements 9,792      
Gross Amount at Which Carried at Close of Period, Total $ 11,380      
Date of Construction 2000      
Date Acquired Dec. 30, 2020      
Palm Desert [Member] | Minimum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 5 years      
Palm Desert [Member] | Maximum [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Life on which depreciation in latest income statement is computed 40 years