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Schedule III (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 79,801      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,235,439      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,392,155      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 620,752      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,248,346 $ 6,612,229 $ 6,523,281 $ 6,181,877
Real Estate Accumulated Depreciation 1,345,060 1,196,458 1,302,210 $ 1,199,608
Land and Land Improvements Held-for-Sale 0      
Buildings and Tenant Improvements Held-for-Sale 0      
Total Land, Land Improvements, Buildings and Tenant Improvements Held-for-Sale 0 (18,662) (1,378,476)  
Accumulated Depreciation of Assets Held-for-Sale (884)      
Land and Land Improvements 2,268,343 1,950,735    
Investment Building and Building Improvements 4,980,003 4,642,832    
SEC Schedule III, Real Estate, Excluding Held-for-Sale 7,248,346 6,593,567 5,144,805  
Real Estate Investment Property, Accumulated Depreciation 1,344,176 $ 1,193,905 $ 1,042,944  
Real Estate, Federal Income Tax Basis 6,647,582      
Atlanta Airport Distribution Ctr III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,064      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,464      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 331      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,064      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,795      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,859      
Real Estate Accumulated Depreciation 2,353      
Aurora 880 North Enterprise Steet [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 963      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,625      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,424      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 963      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,049      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,012      
Real Estate Accumulated Depreciation 2,763      
Aurora Genera Corporation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,957      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,512      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 26      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,957      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,538      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,495      
Real Estate Accumulated Depreciation 2,198      
Aurora Butterfield 2805 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,185      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,795      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,121      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,272      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,829      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,101      
Real Estate Accumulated Depreciation 9,021      
Aurora 940 N. Enterprise [Member] [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,674      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,923      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,098      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,674      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,021      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,695      
Real Estate Accumulated Depreciation 2,186      
Aurora Butterfield 4000 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,132      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,639      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 70      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,132      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,709      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,841      
Real Estate Accumulated Depreciation 1,818      
Aurora Butterfield 2850 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 11,317      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,305      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 130      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,317      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,435      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 29,752      
Real Estate Accumulated Depreciation 3,084      
Aurora Butterfield 4200 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,777      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,108      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,763      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,967      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,681      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,648      
Real Estate Accumulated Depreciation 2,477      
Aurora Butterfield 2865 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 28,151      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 41,112      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 28,151      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 41,112      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 69,263      
Real Estate Accumulated Depreciation 4,307      
Austell Hartman Business Center V [Member] [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,640      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,471      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 29      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,640      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 21,500      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,140      
Real Estate Accumulated Depreciation 6,003      
Austell 240 The Bluffs [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,138      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,447      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,138      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,447      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,585      
Real Estate Accumulated Depreciation 0      
Baltimore 5901 Holabird Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,345      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,385      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,875      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,365      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,240      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,605      
Real Estate Accumulated Depreciation 2,978      
Baltimore 5003 Holabird Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,488      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,241      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,350      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,546      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,533      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,079      
Real Estate Accumulated Depreciation 4,985      
Baltimore 2010 Broening Hwy. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 37,557      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 38,011      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 36      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 37,727      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 37,877      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 75,604      
Real Estate Accumulated Depreciation 13,782      
Baltimore 5501 Holabird Ave. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 13,724      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,245      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 58      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,782      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,245      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,027      
Real Estate Accumulated Depreciation 4,101      
Baltimore Chesapeake Commerce 1500 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,289      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,268      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 94      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,333      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,318      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,651      
Real Estate Accumulated Depreciation 2,088      
Baltimore Chesapeake Commerce 5900 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,567      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,100      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 396      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,567      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,496      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,063      
Real Estate Accumulated Depreciation 745      
Baytown Cedar Crossing [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,323      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,934      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,323      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,934      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,257      
Real Estate Accumulated Depreciation 4,525      
Bloomingdale Morgan Business Center 400 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 18,385      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 44,455      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 524      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,385      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 44,979      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 63,364      
Real Estate Accumulated Depreciation 2,385      
Bolingbrook Dawes Transportation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,050      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,038      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 142      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,050      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,180      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,230      
Real Estate Accumulated Depreciation 3,055      
Bolingbrook Crossroads 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,203      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,418      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,499      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 915      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,418      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,414      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,832      
Real Estate Accumulated Depreciation 2,305      
Bolingbrook Crossroads 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,374      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,330      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,389      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 522      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,330      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,911      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,241      
Real Estate Accumulated Depreciation 1,727      
Bolingbrook 370 Crossroads Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,409      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,236      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 881      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,409      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,117      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,526      
Real Estate Accumulated Depreciation 1,620      
Bolingbrook 605 Crossroads Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,656      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,587      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,039      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,656      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,626      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,282      
Real Estate Accumulated Depreciation 2,334      
Bolingbrook 335 Crossroads Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,574      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,244      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 548      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,574      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,792      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,366      
Real Estate Accumulated Depreciation 2,185      
Boynton Beach Gateway Center 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,271      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,313      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,571      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,271      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,884      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,155      
Real Estate Accumulated Depreciation 2,584      
Boynton Beach Gateway Center 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,006      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,672      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 159      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,006      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,831      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,837      
Real Estate Accumulated Depreciation 1,567      
Boynton Beach Gateway Center 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,381      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,218      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 751      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,381      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,969      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,350      
Real Estate Accumulated Depreciation 1,205      
Boynton Beach Gateway Center 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,800      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,583      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 169      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,800      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,752      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,552      
Real Estate Accumulated Depreciation 933      
Boynton Beach Gateway Center 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,238      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,541      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,028      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,238      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,569      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,807      
Real Estate Accumulated Depreciation 1,112      
Boynton Beach Gateway Center 6 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,238      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,787      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 688      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,238      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,475      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,713      
Real Estate Accumulated Depreciation 1,137      
Boynton Beach Gateway Center 7 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,800      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,693      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 205      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,800      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,898      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,698      
Real Estate Accumulated Depreciation 990      
Boynton Beach Gateway Center 8 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,781      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,900      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,042      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,781      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,942      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,723      
Real Estate Accumulated Depreciation 4,183      
Braselton Braselton II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,365      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,713      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,003      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,529      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,552      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,081      
Real Estate Accumulated Depreciation 5,383      
Braselton 625 Braselton Pkwy [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,855      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,042      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,875      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,062      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 25,710      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 36,772      
Real Estate Accumulated Depreciation 13,859      
Braselton 1350 Braselton Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,227      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,856      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,329      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,227      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,185      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,412      
Real Estate Accumulated Depreciation 9,471      
Brentwood Brentwood South Bus Ctr I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,065      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,531      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,786      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,065      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,317      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,382      
Real Estate Accumulated Depreciation 3,167      
Brentwood Brentwood South Bus Ctr II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,065      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,028      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,950      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,065      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,978      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,043      
Real Estate Accumulated Depreciation 2,032      
Brentwood Brentwood South Bus Ctr III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 848      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,299      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,460      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 848      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,759      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,607      
Real Estate Accumulated Depreciation 2,409      
Bridgeton DukePort I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,124      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,316      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 484      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,124      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,800      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,924      
Real Estate Accumulated Depreciation 2,428      
Bridgeton DukePort II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,470      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,701      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 183      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,470      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,884      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,354      
Real Estate Accumulated Depreciation 1,215      
Bridgeton DukePort V [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 600      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,761      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 432      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 600      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,193      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,793      
Real Estate Accumulated Depreciation 1,010      
Bridgeton DukePort VI [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,664      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,792      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 360      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,664      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,152      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,816      
Real Estate Accumulated Depreciation 2,447      
Bridgeton DukePort VII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 834      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,751      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 370      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 834      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,121      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,955      
Real Estate Accumulated Depreciation 1,301      
Bridgeton DukePort IX [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,475      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,459      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,062      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,475      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,521      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,996      
Real Estate Accumulated Depreciation 2,690      
Brooklyn Park 7300 Northland Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 700      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,289      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 685      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 703      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,971      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,674      
Real Estate Accumulated Depreciation 2,913      
Brooklyn Crosstown North Bus. Ctr. 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 835      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,479      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,540      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,121      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,733      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,854      
Real Estate Accumulated Depreciation 2,840      
Brooklyn Park Crosstown North Bus. Ctr. 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,079      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,011      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,147      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,233      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,004      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,237      
Real Estate Accumulated Depreciation 3,316      
Brooklyn Park Crosstown North Bus. Ctr. 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,079      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,754      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,008      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,166      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,675      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,841      
Real Estate Accumulated Depreciation 2,137      
Brooklyn Park Crosstown North Bus. Ctr. 10 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,723      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,798      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,664      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,723      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,462      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,185      
Real Estate Accumulated Depreciation 3,011      
Brooklyn Park Crosstown North Bus. Ctr. 12 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,564      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,472      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,228      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,564      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,700      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,264      
Real Estate Accumulated Depreciation 4,471      
Brookshire Katy 90 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 23,245      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 50,678      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 23,245      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 50,678      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 73,923      
Real Estate Accumulated Depreciation 2,048      
Buena Park 6280 Artesia Boulevard [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 28,582      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,010      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 467      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 28,582      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,477      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 34,059      
Real Estate Accumulated Depreciation 368      
Carol Stream Carol Stream IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,037      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,338      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,029      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,037      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,367      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,404      
Real Estate Accumulated Depreciation 5,190      
Carol Stream Carol Stream I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,095      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,200      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 454      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,095      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,654      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,749      
Real Estate Accumulated Depreciation 1,249      
Carol Stream Carol Stream III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,556      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,193      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 689      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,569      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,869      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,438      
Real Estate Accumulated Depreciation 2,320      
Carol Stream 250 Kehoe Blvd, Carol Stream [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,715      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,552      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 250      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,715      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,802      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,517      
Real Estate Accumulated Depreciation 2,141      
Carol Stream 720 Center Avenue [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,031      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,759      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,019      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,751      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,058      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,809      
Real Estate Accumulated Depreciation 5,065      
Carteret 900 Federal Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,088      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,712      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,088      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 24,719      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,807      
Real Estate Accumulated Depreciation 1,324      
Chino Chino I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 14,046      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,236      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,230      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 14,046      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,466      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,512      
Real Estate Accumulated Depreciation 4,533      
Cincinnati 311 Elm [Domain]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 0      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,774      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,995      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,769      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,769      
Real Estate Accumulated Depreciation 6,267      
Cincinnati 8230 Kenwood Commons [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 790      
Real Estate and Accumulated Depreciation, Initial Cost of Land 638      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 42      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,549      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 638      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,591      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,229      
Real Estate Accumulated Depreciation 811      
Cincinnati 8280 Kenwood Commons [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,410      
Real Estate and Accumulated Depreciation, Initial Cost of Land 638      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 462      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,579      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 638      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,041      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,679      
Real Estate Accumulated Depreciation 865      
Cincinnati World Park Bldg 17 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,133      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,550      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,055      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,133      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,605      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,738      
Real Estate Accumulated Depreciation 1,859      
Cincinnati World Park Bldg 18 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,268      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,104      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 120      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,268      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,224      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,492      
Real Estate Accumulated Depreciation 1,662      
Cincinnati World Park Bldg 28 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 870      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,251      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 787      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 870      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,038      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,908      
Real Estate Accumulated Depreciation 1,949      
Cincinnati World Park Bldg 29 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,605      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,213      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 185      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,605      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,398      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,003      
Real Estate Accumulated Depreciation 3,253      
Cincinnati World Park Bldg 30 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,492      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,905      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,632      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,492      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,537      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,029      
Real Estate Accumulated Depreciation 5,021      
Cincinnati World Park Bldg 31 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 533      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,531      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 354      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 533      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,885      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,418      
Real Estate Accumulated Depreciation 1,043      
City of Industry 825 Ajax Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 38,930      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 27,627      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,065      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 38,930      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 35,692      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 74,622      
Real Estate Accumulated Depreciation 1,614      
College Station College Station Medical Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,551      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,770      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,146      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,551      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 37,916      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 43,467      
Real Estate Accumulated Depreciation 11,243      
Columbus RGLP Intermodal North 9224 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,550      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,873      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 535      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,550      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 20,408      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,958      
Real Estate Accumulated Depreciation 1,626      
Columbus RGLP Intermodal S 9799 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 13,065      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 46,850      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,065      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 46,850      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 59,915      
Real Estate Accumulated Depreciation 355      
Coppell Freeport X [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,198      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,184      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,597      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,198      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,781      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,979      
Real Estate Accumulated Depreciation 12,424      
Coppell Point West VI [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 10,181      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,455      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,974      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,475      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 23,135      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 33,610      
Real Estate Accumulated Depreciation 12,109      
Coppell Point West VII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,785      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,746      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,990      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,402      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,119      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,521      
Real Estate Accumulated Depreciation 11,170      
Coppell Samsung Pkg Lot-PWT7 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 117      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 117      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 117      
Real Estate Accumulated Depreciation 0      
Coppell Point West VIII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,267      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,695      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,019      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,267      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,714      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,981      
Real Estate Accumulated Depreciation 2,669      
Corona 1283 Sherborn Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,677      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,753      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 57      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,677      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,810      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,487      
Real Estate Accumulated Depreciation 6,910      
Cranbury 311 Half Acre Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,600      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,636      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,600      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,636      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,236      
Real Estate Accumulated Depreciation 3,613      
Cranbury 315 Half Acre Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 14,100      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 30,084      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 14,100      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 30,084      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 44,184      
Real Estate Accumulated Depreciation 7,329      
Davenport Park 27 Distribution Center I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,143      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,052      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 489      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,198      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,486      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,684      
Real Estate Accumulated Depreciation 2,151      
Davenport Park 27 Distribution Center II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,374      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,066      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,850      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,502      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,788      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,290      
Real Estate Accumulated Depreciation 4,978      
Davie Westport Business Park 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,200      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,276      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 81      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,200      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,357      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,557      
Real Estate Accumulated Depreciation 655      
Davie Westport Business Park 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,088      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 779      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 245      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,088      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,024      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,112      
Real Estate Accumulated Depreciation 517      
Davie Westport Business Park 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,363      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,796      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,063      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,363      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,859      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,222      
Real Estate Accumulated Depreciation 2,080      
Deer Park 801 Seaco Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,331      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,673      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 632      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,331      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,305      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,636      
Real Estate Accumulated Depreciation 1,441      
Des Moines 21202 24th Ave South [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 18,720      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 36,496      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,720      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 36,496      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 55,216      
Real Estate Accumulated Depreciation 129      
Des Moines 21402 24th Ave South [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 18,970      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 31,048      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,970      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 31,048      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 50,018      
Real Estate Accumulated Depreciation 117      
Duluth 2775 Premiere Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 560      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,340      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 882      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 560      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,222      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,782      
Real Estate Accumulated Depreciation 2,524      
Duluth 3079 Premiere Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 776      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,536      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,214      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 776      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,750      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,526      
Real Estate Accumulated Depreciation 3,682      
Duluth 2855 Premiere Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 765      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,618      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,831      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 765      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,449      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,214      
Real Estate Accumulated Depreciation 2,011      
Duluth 6655 Sugarloaf [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,651      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,811      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,079      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,651      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,890      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,541      
Real Estate Accumulated Depreciation 3,769      
Duluth 2625 Pinemeadow Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 861      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,122      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 248      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 861      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,370      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,231      
Real Estate Accumulated Depreciation 1,094      
Duluth 2660 Pinemeadow Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 540      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,234      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 302      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 540      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,536      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,076      
Real Estate Accumulated Depreciation 1,156      
Duluth 2450 Satellite Boulevard [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 556      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,897      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 442      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 556      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,339      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,895      
Real Estate Accumulated Depreciation 835      
DuPont Amazon DuPont [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 34,413      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 37,943      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 520      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 34,582      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 38,294      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 72,876      
Real Estate Accumulated Depreciation 11,354      
Durham 1805 T.W. Alexander Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,110      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,343      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,060      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,110      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,403      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,513      
Real Estate Accumulated Depreciation 4,265      
Durham 1757 T.W. Alexander Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,998      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,722      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,998      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,722      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,720      
Real Estate Accumulated Depreciation 2,399      
Eagan Apollo Industrial Ctr I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 866      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,234      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,094      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 895      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,299      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,194      
Real Estate Accumulated Depreciation 2,765      
Eagan Apollo Industrial Ctr II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 474      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,114      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 783      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 474      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,897      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,371      
Real Estate Accumulated Depreciation 1,296      
Eagan Apollo Industrial Ctr III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,432      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,988      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 131      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,432      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,119      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,551      
Real Estate Accumulated Depreciation 2,849      
Eagan Silver Bell Commons [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,740      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,457      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,857      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,740      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,314      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,054      
Real Estate Accumulated Depreciation 3,762      
Eagan Trapp Road Commerce Center I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,287      
Real Estate and Accumulated Depreciation, Initial Cost of Land 671      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,441      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 932      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 691      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,353      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,044      
Real Estate Accumulated Depreciation 2,067      
Eagan Trapp Road Commerce Center II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,084      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,250      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,431      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,606      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,250      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,037      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,287      
Real Estate Accumulated Depreciation 3,553      
Earth City Corporate Trail Distribution [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,850      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,597      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,526      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,875      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,098      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,973      
Real Estate Accumulated Depreciation 3,948      
East Point Camp Creek Bldg 1400 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 561      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,833      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,238      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 565      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,067      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,632      
Real Estate Accumulated Depreciation 2,023      
East Point Camp Creek Bldg 1800 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 462      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,939      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,374      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 465      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,310      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,775      
Real Estate Accumulated Depreciation 1,431      
East Point Camp Creek Bldg 2000 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 395      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,147      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,142      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 398      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,286      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,684      
Real Estate Accumulated Depreciation 1,915      
East Point Camp Creek Bldg 2400 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 296      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,007      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,279      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 300      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,282      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,582      
Real Estate Accumulated Depreciation 1,534      
East Point Camp Creek Bldg 2600 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 364      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 853      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,664      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 368      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,513      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,881      
Real Estate Accumulated Depreciation 1,191      
East Point 3201 Centre Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,406      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,468      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,915      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,119      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,670      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,789      
Real Estate Accumulated Depreciation 8,444      
East Point Camp Creek Building 1200 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,334      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 588      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,376      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,404      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,894      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,298      
Real Estate Accumulated Depreciation 1,512      
East Point 3900 North Commerce [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,059      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,941      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,363      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,220      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,143      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,363      
Real Estate Accumulated Depreciation 2,558      
East Point 3909 North Commerce [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,687      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,165      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 26,522      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 15,168      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 27,206      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 42,374      
Real Estate Accumulated Depreciation 22,363      
East Point 4200 N. Commerce [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,065      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,044      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,647      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,438      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,318      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,756      
Real Estate Accumulated Depreciation 5,466      
East Point Camp Creek Building 1000 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,537      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 424      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,308      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,610      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,659      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,269      
Real Estate Accumulated Depreciation 1,430      
East Point 3000 Centre Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,163      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,020      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,479      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,258      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,404      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,662      
Real Estate Accumulated Depreciation 1,472      
East Point 1100 Centre Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,309      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,881      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 548      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,386      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,352      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,738      
Real Estate Accumulated Depreciation 2,394      
East Point 4800 N. Commerce Dr. (Site Q) [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,476      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,906      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,242      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,740      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,884      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,624      
Real Estate Accumulated Depreciation 3,018      
East Point 4100 North Commerce Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,130      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,115      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 542      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,327      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,460      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,787      
Real Estate Accumulated Depreciation 2,782      
East Point FedEx BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,878      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,842      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 100      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,883      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,937      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,820      
Real Estate Accumulated Depreciation 1,389      
East Point Camp Creek 4909 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,807      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,321      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,753      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,851      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,030      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,881      
Real Estate Accumulated Depreciation 2,922      
East Point Camp Creek 3707 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,282      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,538      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,282      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 20,541      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,823      
Real Estate Accumulated Depreciation 2,325      
East Point Camp Creek 4505 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,505      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,697      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 846      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,505      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,543      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,048      
Real Estate Accumulated Depreciation 608      
East Point Site S Parking Lot [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,469      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,469      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,469      
Real Estate Accumulated Depreciation 0      
Easton 33 Logistics Park 1610 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 24,752      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 55,500      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,789      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 24,762      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 57,279      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 82,041      
Real Estate Accumulated Depreciation 10,094      
Easton 33 Logistics Park 1611 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 17,979      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,882      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,840      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 17,979      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,722      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 40,701      
Real Estate Accumulated Depreciation 2,170      
Easton 33 Logistics Park 1620 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 29,786      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,023      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 29,786      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,023      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 62,809      
Real Estate Accumulated Depreciation 1,102      
Edwardsville Lakeview Commerce Building I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,561      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,604      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 42      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,561      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,646      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 23,207      
Real Estate Accumulated Depreciation 6,052      
Elk Grove Village 1717 Busse Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 10,528      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,602      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,016      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 38      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,602      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,054      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,656      
Real Estate Accumulated Depreciation 5,426      
Ellenwood Anvil Block Road BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,664      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,265      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 391      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,664      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,656      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,320      
Real Estate Accumulated Depreciation 2,307      
Fairfield Union Centre Industrial Park 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,635      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,576      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,591      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,635      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,167      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,802      
Real Estate Accumulated Depreciation 4,716      
Fairfield Union Centre Industrial 5855 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,009      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,387      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,063      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,009      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,450      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,459      
Real Estate Accumulated Depreciation 1,707      
Fairfield Fairfield Logistics Ctr 7940 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,679      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,237      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,679      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,237      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,916      
Real Estate Accumulated Depreciation 0      
Fishers Exit 5 Building 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 581      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,561      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,034      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 581      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,595      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,176      
Real Estate Accumulated Depreciation 1,783      
Fishers Exit 5 Building 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 555      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,498      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,574      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 555      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,072      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,627      
Real Estate Accumulated Depreciation 2,010      
Flower Mound Lakeside Ranch Bldg 20 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,861      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,307      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 514      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,861      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,821      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 29,682      
Real Estate Accumulated Depreciation 8,408      
Fontana 14970 Jurupa Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 17,306      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 17,306      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,306      
Real Estate Accumulated Depreciation 571      
Fontana 7953 Cherry Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,704      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,521      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 824      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,704      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,345      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,049      
Real Estate Accumulated Depreciation 1,164      
Fontana 9988 Redwood Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,755      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,326      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 695      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,755      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,021      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,776      
Real Estate Accumulated Depreciation 1,741      
Fontana 11250 Poplar Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 18,138      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,586      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,138      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,586      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 51,724      
Real Estate Accumulated Depreciation 2,525      
Fontana 16171 Santa Ana Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 13,681      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,511      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,681      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,511      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,192      
Real Estate Accumulated Depreciation 184      
Fort Lauderdale Interstate 95 2200 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,332      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,401      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,122      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,332      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,523      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,855      
Real Estate Accumulated Depreciation 897      
Fort Lauderdale Interstate 95 2100 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 10,948      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,681      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,948      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,681      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 29,629      
Real Estate Accumulated Depreciation 1,081      
Fort Worth Riverpark Bldg 700 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,975      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,748      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 467      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,975      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,215      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,190      
Real Estate Accumulated Depreciation 5,258      
Franklin Aspen Grove Business Ctr I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 936      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,009      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,090      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 936      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,099      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,035      
Real Estate Accumulated Depreciation 3,509      
Franklin Aspen Grove Business Ctr II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,151      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,860      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,630      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,151      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,490      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,641      
Real Estate Accumulated Depreciation 3,633      
Franklin Aspen Grove Business Ctr III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 970      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,763      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,048      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 970      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,811      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,781      
Real Estate Accumulated Depreciation 2,845      
Franklin Aspen Grove Business Center IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 492      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,677      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 895      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 492      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,572      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,064      
Real Estate Accumulated Depreciation 948      
Franklin Brentwood South Bus Ctr IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 569      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,120      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,481      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 569      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,601      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,170      
Real Estate Accumulated Depreciation 1,267      
Franklin Brentwood South Bus Ctr V [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 445      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,581      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 430      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 445      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,011      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,456      
Real Estate Accumulated Depreciation 975      
Franklin Brentwood South Bus Ctr VI [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,389      
Real Estate and Accumulated Depreciation, Initial Cost of Land 489      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 962      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,312      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 489      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,274      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,763      
Real Estate Accumulated Depreciation 1,071      
Franklin Park O'Hare Distribution Ctr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,900      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,702      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,563      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,900      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,265      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,165      
Real Estate Accumulated Depreciation 1,745      
Fullerton 500 Burning Tree Rd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,336      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,435      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,336      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,435      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,771      
Real Estate Accumulated Depreciation 275      
Fullerton 700 Burning Tree Rd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,001      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,915      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,001      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,915      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,916      
Real Estate Accumulated Depreciation 188      
Garden City Aviation Court Land [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,509      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,509      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,509      
Real Estate Accumulated Depreciation 245      
Garner 600 Greenfield North [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 597      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,456      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 536      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 598      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,991      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,589      
Real Estate Accumulated Depreciation 874      
Garner 700 Greenfield North [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 468      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,054      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 268      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 469      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,321      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,790      
Real Estate Accumulated Depreciation 655      
Garner 800 Greenfield North [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 438      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,772      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 223      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 440      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,993      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,433      
Real Estate Accumulated Depreciation 1,564      
Garner 900 Greenfield North [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 422      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,249      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,054      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 425      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,300      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,725      
Real Estate Accumulated Depreciation 2,179      
Garner Greenfield North 1000 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,897      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,026      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 14      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,897      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,040      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,937      
Real Estate Accumulated Depreciation 1,137      
Garner Greenfield North 1001 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,517      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,494      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 795      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,517      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,289      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,806      
Real Estate Accumulated Depreciation 539      
Garner N. Greenfield Pkwy Ground DCLP [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 189      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 222      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 10      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 189      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 232      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 421      
Real Estate Accumulated Depreciation 140      
Geneva 1800 Averill Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,189      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,582      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,640      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,778      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,633      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,411      
Real Estate Accumulated Depreciation 4,368      
Gibsonton Tampa Regional Ind Park 13111 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 10,547      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,662      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,950      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,547      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,612      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,159      
Real Estate Accumulated Depreciation 1,065      
Gibsonton Tampa Regional Ind Park 13040 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 13,184      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,477      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,184      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,477      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,661      
Real Estate Accumulated Depreciation 276      
Glendale Heights 990 North Avenue [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 12,144      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,933      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 12,144      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,933      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,077      
Real Estate Accumulated Depreciation 67      
Grand Prairie Grand Lakes I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,106      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,969      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 15,231      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,595      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 23,711      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 33,306      
Real Estate Accumulated Depreciation 9,708      
Grand Prairie Grand Lakes II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 11,853      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,864      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 13,364      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,853      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 25,228      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 37,081      
Real Estate Accumulated Depreciation 12,139      
Grand Prairie Pioneer 161 Building [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,381      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,615      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 45      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,381      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,660      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,041      
Real Estate Accumulated Depreciation 8,694      
Grand Prairie Grand Lakes 4053 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,468      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,599      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,468      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,599      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,067      
Real Estate Accumulated Depreciation 264      
Grove City SouthPointe Building A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 844      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,171      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 490      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 844      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,661      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,505      
Real Estate Accumulated Depreciation 1,833      
Grove City SouthPointe Building B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 790      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,880      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 60      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 790      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,940      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,730      
Real Estate Accumulated Depreciation 1,527      
Grove City SouthPointe Building C [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 754      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,325      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 282      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 754      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,607      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,361      
Real Estate Accumulated Depreciation 2,074      
Groveport Groveport Commerce Center 437 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,049      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,406      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,803      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,049      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,209      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,258      
Real Estate Accumulated Depreciation 5,223      
Groveport Groveport Commerce Center 168 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 510      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,395      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,311      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 510      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,706      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,216      
Real Estate Accumulated Depreciation 2,022      
Groveport Groveport Commerce Center 345 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 435      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,494      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,237      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 435      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,731      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,166      
Real Estate Accumulated Depreciation 3,522      
Groveport Groveport Commerce Center 667 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,420      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,322      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 992      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,420      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,314      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,734      
Real Estate Accumulated Depreciation 6,908      
Groveport Rickenbacker 936 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,680      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,853      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,680      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 23,859      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 29,539      
Real Estate Accumulated Depreciation 6,322      
Hazelwood Lindbergh Distribution Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,200      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,311      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,692      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,491      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,712      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,203      
Real Estate Accumulated Depreciation 6,078      
Hebron Southpark Building 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 779      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,859      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,402      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 779      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,261      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,040      
Real Estate Accumulated Depreciation 3,362      
Hebron CR Services [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,085      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,853      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,422      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,085      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,275      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,360      
Real Estate Accumulated Depreciation 3,555      
Hebron Hebron Building 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,855      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,797      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 19,376      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,511      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 29,517      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,028      
Real Estate Accumulated Depreciation 13,485      
Hebron Hebron Building 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,790      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,803      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,992      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,813      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,772      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,585      
Real Estate Accumulated Depreciation 6,137      
Hebron Skyport Building 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,057      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,876      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 92      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,057      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,968      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,025      
Real Estate Accumulated Depreciation 1,855      
Hebron Skyport Building 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,400      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,771      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 399      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,400      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,170      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,570      
Real Estate Accumulated Depreciation 2,854      
Hebron Skyport Building 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,016      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,512      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 619      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,016      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,131      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,147      
Real Estate Accumulated Depreciation 2,970      
Hebron Skyport Building 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,878      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,038      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 838      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,878      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,876      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,754      
Real Estate Accumulated Depreciation 3,483      
Hebron Southpark Building 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 553      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,534      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 495      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 553      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,029      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,582      
Real Estate Accumulated Depreciation 785      
Hebron Southpark Building 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 755      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,904      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 112      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 755      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,016      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,771      
Real Estate Accumulated Depreciation 1,437      
Hebron Southpark 1990 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 366      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,344      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 366      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,344      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,710      
Real Estate Accumulated Depreciation 872      
Hialeah Countyline Corporate Park 3740 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 18,934      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,612      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,934      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,612      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 30,546      
Real Estate Accumulated Depreciation 541      
Hialeah Countyline Corporate Park 3780 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 21,445      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,144      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 21,445      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,144      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 43,589      
Real Estate Accumulated Depreciation 709      
Hialeah Countyline Corporate Park 3760 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 32,802      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 52,633      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 32,802      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 52,633      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 85,435      
Real Estate Accumulated Depreciation 1,454      
Hialeah Countyline Corporate Park 3840 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 15,906      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,453      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 15,906      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,453      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 31,359      
Real Estate Accumulated Depreciation 0      
Hialeah Gardens Miami Ind Logistics Ctr 15002 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 10,671      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,071      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,349      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,671      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,420      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,091      
Real Estate Accumulated Depreciation 1,260      
Hialeah Gardens Miami Ind Logistics Ctr 14802 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 10,800      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,236      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 284      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,800      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,520      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,320      
Real Estate Accumulated Depreciation 1,190      
Hialeah Gardens Miami Ind Logistics Ctr 10701 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 13,048      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,204      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,608      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,048      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,812      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 32,860      
Real Estate Accumulated Depreciation 1,686      
Hopkins Cornerstone Business Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,454      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,623      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,637      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,454      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,260      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,714      
Real Estate Accumulated Depreciation 5,051      
Houston Point North One [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,125      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,178      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,675      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,125      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,853      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,978      
Real Estate Accumulated Depreciation 2,811      
Houston Point North Two [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,210      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,651      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,321      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,581      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,601      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,182      
Real Estate Accumulated Depreciation 5,303      
Houston Point North Four [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,957      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,093      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 640      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,957      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,733      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,690      
Real Estate Accumulated Depreciation 3,141      
Houston Westland I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,183      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,074      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,397      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,233      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,421      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,654      
Real Estate Accumulated Depreciation 3,929      
Houston Westland II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,246      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,338      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 857      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,246      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,195      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,441      
Real Estate Accumulated Depreciation 3,672      
Houston Gateway Northwest One [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,204      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,028      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,167      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,204      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,195      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,399      
Real Estate Accumulated Depreciation 2,911      
Houston Gateway Northwest Two [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,981      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,122      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,426      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,981      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,548      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,529      
Real Estate Accumulated Depreciation 1,281      
Houston Gateway Northwest 20502 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,987      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,342      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 21      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,987      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,363      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,350      
Real Estate Accumulated Depreciation 1,021      
Houston 22008 N Berwick Dr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,981      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,949      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,981      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,949      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,930      
Real Estate Accumulated Depreciation 749      
Houston Gateway Northwest 20510 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,787      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,501      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,787      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,501      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,288      
Real Estate Accumulated Depreciation 338      
Humble Point North Five [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,333      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,946      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,971      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,333      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,917      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,250      
Real Estate Accumulated Depreciation 2,040      
Huntley Huntley Dist. Ctr. (Weber) [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,539      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 34,069      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 58      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,539      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 34,127      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 41,666      
Real Estate Accumulated Depreciation 4,415      
Hutchins Duke Intermodal I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 6,044      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,290      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,184      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,683      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,290      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,867      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,157      
Real Estate Accumulated Depreciation 6,820      
Hutchins Prime Pointe 1005 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,865      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,420      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 59      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,865      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,479      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,344      
Real Estate Accumulated Depreciation 2,552      
Hutchins Prime Pointe 1015 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,356      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,319      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,356      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,319      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,675      
Real Estate Accumulated Depreciation 647      
Indianapolis Park 100 Bldg 96 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,171      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,641      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 821      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,424      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,209      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,633      
Real Estate Accumulated Depreciation 7,587      
Indianapolis Park 100 Bldg 98 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 273      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,399      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,788      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 273      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,187      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,460      
Real Estate Accumulated Depreciation 5,378      
Indianapolis Park 100 Bldg 100 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 103      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,488      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 945      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 103      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,433      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,536      
Real Estate Accumulated Depreciation 1,477      
Indianapolis Park 100 Bldg 127 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 96      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,280      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 722      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 96      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,002      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,098      
Real Estate Accumulated Depreciation 1,223      
Indianapolis Park 100 Bldg 141 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,120      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,419      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 540      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,120      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,959      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,079      
Real Estate Accumulated Depreciation 1,708      
Indianapolis Park 100 Bldg 121 Land Lease [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 146      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 146      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 146      
Real Estate Accumulated Depreciation 0      
Indianapolis Hewlett Packard Land Lse-62 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3      
Real Estate Accumulated Depreciation 0      
Indianapolis West 79th St. Parking Lot LL [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 350      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 699      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,049      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,049      
Real Estate Accumulated Depreciation 720      
Indianapolis PWW Granite City Lease [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,846      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 856      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 143      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,989      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 856      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,845      
Real Estate Accumulated Depreciation 999      
Indianapolis North Airport Park Bldg 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,800      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,343      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 743      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,800      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,086      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,886      
Real Estate Accumulated Depreciation 1,637      
Indianapolis Park 100 Bldg 48 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 690      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,687      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 674      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 690      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,361      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,051      
Real Estate Accumulated Depreciation 918      
Indianapolis Park 100 Bldg 58 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 642      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,057      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 198      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 642      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,255      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,897      
Real Estate Accumulated Depreciation 798      
Indianapolis Park 100 Bldg 62 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 616      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 279      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 547      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 642      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 800      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,442      
Real Estate Accumulated Depreciation 288      
Indianapolis Park 100 Bldg 83 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 427      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,257      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 451      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 427      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,708      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,135      
Real Estate Accumulated Depreciation 718      
Indianapolis Park 100 Bldg 84 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 427      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,805      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 372      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 427      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,177      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,604      
Real Estate Accumulated Depreciation 800      
Indianapolis Park 100 Bldg 87 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,136      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,492      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,912      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,136      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,404      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,540      
Real Estate Accumulated Depreciation 3,258      
Indianapolis Park 100 Bldg 97 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,070      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,904      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 556      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,070      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,460      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,530      
Real Estate Accumulated Depreciation 1,732      
Indianapolis Park 100 Bldg 128 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,152      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,458      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 824      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,152      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,282      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,434      
Real Estate Accumulated Depreciation 4,219      
Indianapolis Park 100 Bldg 129 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,280      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,588      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,410      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,280      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,998      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,278      
Real Estate Accumulated Depreciation 3,292      
Indianapolis Park 100 Bldg 131 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,680      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,703      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 546      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,680      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,249      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,929      
Real Estate Accumulated Depreciation 3,400      
Kutztown West Hills Building Center A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 15,340      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 47,981      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 574      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 15,340      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 48,555      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 63,895      
Real Estate Accumulated Depreciation 9,782      
Kutztown West Hills Building Center B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,218      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,029      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 68      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,218      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,097      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,315      
Real Estate Accumulated Depreciation 2,428      
La Miranda Trojan Way [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 23,503      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,342      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 125      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 23,503      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,467      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 56,970      
Real Estate Accumulated Depreciation 10,303      
La Miranda 16301 Trojan Way [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 39,645      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,172      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 39,645      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,172      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 61,817      
Real Estate Accumulated Depreciation 717      
Lancaster Lancaster 2820 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,786      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,425      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,786      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,425      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 32,211      
Real Estate Accumulated Depreciation 502      
LaPorte Bayport Container Lot [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,334      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,041      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,375      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,375      
Real Estate Accumulated Depreciation 0      
Lawrenceville Weyerhaeuser BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,974      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,935      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 84      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,982      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,011      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,993      
Real Estate Accumulated Depreciation 3,389      
Lebanon Lebanon Building 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 177      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,664      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,562      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 177      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,226      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,403      
Real Estate Accumulated Depreciation 5,044      
Lebanon Lebanon Building 9 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 340      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,499      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,381      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 340      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,880      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,220      
Real Estate Accumulated Depreciation 3,910      
Lebanon Lebanon Building 12 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,517      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,174      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 944      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,517      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,118      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,635      
Real Estate Accumulated Depreciation 4,780      
Lebanon Lebanon Building 13 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 561      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,816      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 684      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 561      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,500      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,061      
Real Estate Accumulated Depreciation 1,866      
Lebanon Lebanon Building 14 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,813      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,741      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,759      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,813      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,500      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,313      
Real Estate Accumulated Depreciation 6,529      
Lebanon Lebanon Building 1(Amer Air) [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 312      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,568      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 211      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 312      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,779      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,091      
Real Estate Accumulated Depreciation 1,304      
Lebanon Lebanon Building 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 948      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,008      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,831      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,268      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 26,519      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,787      
Real Estate Accumulated Depreciation 7,169      
Lebanon Lebanon Building 6 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 699      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,847      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 634      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 699      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,481      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,180      
Real Estate Accumulated Depreciation 2,845      
Lebanon Pk 840 Logistics Cnt. Bldg 653 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,776      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,460      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,000      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,776      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,460      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,236      
Real Estate Accumulated Depreciation 8,576      
Lebanon Park 840 East Log. Ctr Bld 300 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,731      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,854      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 990      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,852      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,723      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 23,575      
Real Estate Accumulated Depreciation 6,296      
Linden 801 West Linden Ave. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 22,134      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,645      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,852      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 22,134      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 27,497      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 49,631      
Real Estate Accumulated Depreciation 5,166      
Linden 301 Pleasant Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,933      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,575      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 168      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,933      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,743      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,676      
Real Estate Accumulated Depreciation 1,547      
Linden Legacy Commerce Center 901 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 25,935      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,806      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,295      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 25,937      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,099      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 48,036      
Real Estate Accumulated Depreciation 3,020      
Lithia Springs 2601 Skyview Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,282      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,534      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,282      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,534      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,816      
Real Estate Accumulated Depreciation 1,058      
Lockport Lockport 16328 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,339      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,446      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 460      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,339      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,906      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,245      
Real Estate Accumulated Depreciation 1,348      
Lockport Lockport 16410 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,677      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,117      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 285      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,677      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,402      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,079      
Real Estate Accumulated Depreciation 1,194      
Lockport Lockport 16508 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,520      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,472      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,535      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,520      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,007      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 23,527      
Real Estate Accumulated Depreciation 1,101      
Lockbourne Creekside XXII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,868      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,406      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 822      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,868      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,228      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,096      
Real Estate Accumulated Depreciation 4,188      
Lockbourne Creekside XIV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,947      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,453      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 282      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,947      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,735      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,682      
Real Estate Accumulated Depreciation 3,021      
Logan Township 1130 Commerce Boulevard [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,770      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 19,239      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,567      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,770      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 20,806      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,576      
Real Estate Accumulated Depreciation 4,662      
Long Beach 3700 Cover Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,280      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,954      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,280      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,954      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,234      
Real Estate Accumulated Depreciation 2,217      
Lynwood Century Distribution Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 16,847      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,865      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 55      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 16,847      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,920      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 34,767      
Real Estate Accumulated Depreciation 5,762      
Lynwood 11600 Alameda Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 10,705      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,979      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,077      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,958      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,803      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,761      
Real Estate Accumulated Depreciation 617      
Manteca 600 Spreckels Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,851      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,985      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 258      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,851      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,243      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,094      
Real Estate Accumulated Depreciation 4,760      
Maple Grove Arbor Lakes 10500 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,803      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,891      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,803      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,891      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,694      
Real Estate Accumulated Depreciation 69      
Maryland Riverport III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 733      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,624      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,875      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 733      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,499      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,232      
Real Estate Accumulated Depreciation 2,023      
Maryland Heights Riverport IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,864      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,072      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,205      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,864      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,277      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,141      
Real Estate Accumulated Depreciation 2,989      
McDonough 120 Declaration Dr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 615      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,158      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,352      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 615      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,510      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,125      
Real Estate Accumulated Depreciation 4,814      
McDonough 250 Declaration Dr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,273      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,050      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,953      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,428      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,848      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,276      
Real Estate Accumulated Depreciation 6,504      
Mechanicsburg 500 Independence Avenue [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,494      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,711      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 233      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,494      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,944      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,438      
Real Estate Accumulated Depreciation 3,705      
Melrose Park Melrose Business Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,907      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,516      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 198      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,907      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,714      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 23,621      
Real Estate Accumulated Depreciation 5,628      
Miami 9601 NW 112 Ave - Dade Paper [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 11,626      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 14,651      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,626      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,659      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,285      
Real Estate Accumulated Depreciation 3,545      
Minooka 801 Midpoint Rd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,282      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 33,196      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 386      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,282      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,582      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,864      
Real Estate Accumulated Depreciation 7,704      
Modesto 1000 Oates Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 10,115      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,944      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 152      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,115      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,096      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,211      
Real Estate Accumulated Depreciation 5,497      
Moreno Valley 17791 Perris Boulevard [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 67,806      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 74,531      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 67,806      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 74,531      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 142,337      
Real Estate Accumulated Depreciation 3,510      
Moreno Valley 15810 Heacock Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,727      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,882      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 178      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,727      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,060      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 28,787      
Real Estate Accumulated Depreciation 940      
Morgans Point Barbours Cut I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,482      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,209      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 44      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,482      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,253      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,735      
Real Estate Accumulated Depreciation 3,221      
Morgans Point Barbours Cut II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,447      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,471      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 123      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,447      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,594      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,041      
Real Estate Accumulated Depreciation 3,336      
Morrisville 3000 Perimeter Park Dr (Met 1) [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 482      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,053      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,471      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 491      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,515      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,006      
Real Estate Accumulated Depreciation 1,749      
Morrisville 2900 Perimeter Park Dr (Met 2) [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 235      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,314      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,584      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 241      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,892      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,133      
Real Estate Accumulated Depreciation 1,379      
Morrisville 2800 Perimeter Park Dr (Met 3) [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 777      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,171      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,392      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 791      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,549      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,340      
Real Estate Accumulated Depreciation 2,746      
Morrisville 2700 Perimeter Park [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 662      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,081      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,229      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 662      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,310      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,972      
Real Estate Accumulated Depreciation 1,369      
Morrisville 100 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 633      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,200      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,076      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,132      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,777      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,909      
Real Estate Accumulated Depreciation 2,088      
Morrisville 101 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 615      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,916      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 502      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 615      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,418      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,033      
Real Estate Accumulated Depreciation 2,094      
Morrisville 200 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 357      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,835      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 883      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 357      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,718      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,075      
Real Estate Accumulated Depreciation 2,262      
Morrisville 501 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 640      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,477      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 427      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 640      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,904      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,544      
Real Estate Accumulated Depreciation 2,836      
Morrisville 1000 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 514      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,782      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 545      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 514      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,327      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,841      
Real Estate Accumulated Depreciation 1,312      
Morrisville 1200 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 740      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,174      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 624      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 740      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,798      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,538      
Real Estate Accumulated Depreciation 1,954      
Morrisville 400 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 908      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,055      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 454      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 908      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,509      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,417      
Real Estate Accumulated Depreciation 1,081      
Myerstown Central Logistics Park 53 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 24,251      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 24,366      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 24,251      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 24,366      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 48,617      
Real Estate Accumulated Depreciation 808      
Naperville 1835 Jefferson [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,209      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,921      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 348      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,213      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,265      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,478      
Real Estate Accumulated Depreciation 2,989      
Naperville 175 Ambassador Dr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,778      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,252      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 11      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,778      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,263      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,041      
Real Estate Accumulated Depreciation 4,083      
Naperville 1860 W. Jefferson [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 10,537      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,016      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 35,581      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 88      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,016      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 35,669      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 42,685      
Real Estate Accumulated Depreciation 11,243      
Nashville Airpark East-800 Commerce Dr. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,205      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,564      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,194      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,593      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,564      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,787      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,351      
Real Estate Accumulated Depreciation 1,611      
Nashville Nashville Business Center I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 936      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,794      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,586      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 936      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,380      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,316      
Real Estate Accumulated Depreciation 3,097      
Nashville Nashville Business Center II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,659      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,165      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,101      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,659      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,266      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,925      
Real Estate Accumulated Depreciation 5,790      
Nashville Four-Forty Business Center I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 938      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,354      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 647      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 938      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,001      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,939      
Real Estate Accumulated Depreciation 3,339      
Nashville Four-Forty Business Center III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,812      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,686      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,150      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,812      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,836      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,648      
Real Estate Accumulated Depreciation 4,287      
Nashville Four-Forty Business Center IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,522      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,824      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,653      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,522      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,477      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,999      
Real Estate Accumulated Depreciation 3,110      
Nashville Four-Forty Business Center V [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 471      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,153      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,749      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 471      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,902      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,373      
Real Estate Accumulated Depreciation 1,899      
Nashville Four-Forty Business Center II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,108      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,826      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 80      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,108      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,906      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,014      
Real Estate Accumulated Depreciation 1,453      
Northlake Northlake I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,721      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,020      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,011      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,721      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,031      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,752      
Real Estate Accumulated Depreciation 4,004      
Northlake Northlake III-Grnd Whse [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,382      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,685      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,568      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,382      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,253      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,635      
Real Estate Accumulated Depreciation 4,441      
Northlake 200 Champion Way [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,554      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,528      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 760      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,554      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,288      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,842      
Real Estate Accumulated Depreciation 3,118      
Orange 210 W Baywood Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,066      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,515      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,066      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,515      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,581      
Real Estate Accumulated Depreciation 107      
Orlando Southcenter I-Brede Allied BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,331      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,327      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 155      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,331      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,482      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,813      
Real Estate Accumulated Depreciation 1,446      
Orlando Parksouth Distribution Ctr. B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 565      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,360      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,057      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 570      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,412      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,982      
Real Estate Accumulated Depreciation 2,833      
Orlando Parksouth Distribution Ctr. A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 493      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,170      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 992      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 498      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,157      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,655      
Real Estate Accumulated Depreciation 2,602      
Orlando Parksouth Distribution Ctr. D [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 593      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,151      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,349      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 597      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,496      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,093      
Real Estate Accumulated Depreciation 2,030      
Orlando Parksouth Distribution Ctr. E [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 649      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,260      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,223      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 653      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,479      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,132      
Real Estate Accumulated Depreciation 2,780      
Orlando Parksouth Distribution Ctr. F [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,030      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,350      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,896      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,035      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,241      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,276      
Real Estate Accumulated Depreciation 3,136      
Orlando Parksouth Distribution Ctr. H [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 725      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,539      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,461      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 730      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,995      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,725      
Real Estate Accumulated Depreciation 1,948      
Orlando Parksouth-Benjamin Moore BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 623      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,646      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 155      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 623      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,801      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,424      
Real Estate Accumulated Depreciation 717      
Orlando Crossroads VII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,803      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,804      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,149      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,803      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,953      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,756      
Real Estate Accumulated Depreciation 3,199      
Orlando Crossroads VIII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,701      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,980      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,073      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,701      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,053      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,754      
Real Estate Accumulated Depreciation 2,920      
Orlando 7133 Municipal Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,817      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,833      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,817      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,833      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,650      
Real Estate Accumulated Depreciation 258      
Otsego Gateway North 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,243      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,950      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,262      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,287      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,168      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,455      
Real Estate Accumulated Depreciation 3,009      
Otsego Gateway North 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,543      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,515      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,009      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,783      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,284      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,067      
Real Estate Accumulated Depreciation 1,388      
Otsego Gateway North 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,667      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,249      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 129      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,748      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,297      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,045      
Real Estate Accumulated Depreciation 2,575      
Otsego Gateway North 6 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,266      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,653      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 186      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,374      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,731      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,105      
Real Estate Accumulated Depreciation 2,260      
Otsego Gateway North 6651 Exp Land [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,521      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,521      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,521      
Real Estate Accumulated Depreciation 244      
Pasadena Interport Bldg I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,715      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 30,961      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 673      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,715      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 31,634      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 37,349      
Real Estate Accumulated Depreciation 6,700      
Pasadena Bayport 4035 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,772      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,255      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 63      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,772      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,318      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,090      
Real Estate Accumulated Depreciation 584      
Pasadena Bayport 4331 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,638      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 30,213      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 46      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,638      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 30,259      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 37,897      
Real Estate Accumulated Depreciation 1,840      
Perris Duke Perris Logistics Ctr II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 16,210      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 27,759      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,999      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,752      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 34,216      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 52,968      
Real Estate Accumulated Depreciation 6,165      
Perris 3300 Indian Avenue [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 39,012      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 43,280      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,942      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 39,063      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 45,171      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 84,234      
Real Estate Accumulated Depreciation 5,850      
Plymouth Waterford Innovation Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,689      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,897      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 26      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,689      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,923      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,612      
Real Estate Accumulated Depreciation 863      
Pomona 1589 E 9th St. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,386      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 15,515      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 359      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,386      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,874      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 23,260      
Real Estate Accumulated Depreciation 1,850      
Perth Amboy ePort 960 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 14,425      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,463      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,486      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 14,425      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 24,949      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,374      
Real Estate Accumulated Depreciation 1,278      
Perth Amboy ePort 980 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 43,778      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 87,019      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 31      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 43,778      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 87,050      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 130,828      
Real Estate Accumulated Depreciation 4,617      
Perth Amboy ePort 1000 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 19,726      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 41,229      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 972      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 19,726      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 42,201      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 61,927      
Real Estate Accumulated Depreciation 2,074      
Plainfield Plainfield Building 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,097      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,772      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 10,768      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,097      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,540      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,637      
Real Estate Accumulated Depreciation 6,212      
Plainfield Plainfield Building 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,094      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,279      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,231      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,094      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,510      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,604      
Real Estate Accumulated Depreciation 4,335      
Plainfield Plainfield Building 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,016      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,717      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,740      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,016      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,457      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,473      
Real Estate Accumulated Depreciation 4,503      
Plainfield Plainfield Building 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,726      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,932      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,279      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,726      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,211      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,937      
Real Estate Accumulated Depreciation 4,329      
Plainfield Plainfield Building 8 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,527      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,924      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,711      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,527      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,635      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,162      
Real Estate Accumulated Depreciation 6,034      
Plainfield Home Depot trailer parking lot [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 311      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 311      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 311      
Real Estate Accumulated Depreciation 0      
Plainfield AllPoints Midwest Bldg. 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,692      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 52,271      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,428      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,692      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 53,699      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 60,391      
Real Estate Accumulated Depreciation 6,296      
Plainfield AllPoints Midwest Bldg. 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,111      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,943      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,111      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,943      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,054      
Real Estate Accumulated Depreciation 4,151      
Pompano Atlantic Business Center 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,165      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,821      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,877      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,165      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,698      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,863      
Real Estate Accumulated Depreciation 3,386      
Pompano Atlantic Business Center 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,663      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,581      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,175      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,663      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,756      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,419      
Real Estate Accumulated Depreciation 3,409      
Pompano Atlantic Business Center 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,764      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,162      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 204      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,764      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,366      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,130      
Real Estate Accumulated Depreciation 2,531      
Pompano Atlantic Business Center 4A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,804      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,885      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 41      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,804      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,926      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,730      
Real Estate Accumulated Depreciation 1,783      
Pompano Atlantic Business Center 4B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,834      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,339      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 31      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,834      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,370      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,204      
Real Estate Accumulated Depreciation 1,641      
Pompano Atlantic Business Center 5A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,980      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,918      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,233      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,980      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,151      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,131      
Real Estate Accumulated Depreciation 2,584      
Pompano Atlantic Business Center 5B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,995      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,257      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 540      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,995      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,797      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,792      
Real Estate Accumulated Depreciation 2,301      
Pompano Atlantic Business Center 6A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,999      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,034      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 851      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,999      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,885      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,884      
Real Estate Accumulated Depreciation 2,180      
Pompano Atlantic Business Center 6B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,988      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,130      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 36      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,988      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,166      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,154      
Real Estate Accumulated Depreciation 1,860      
Pompano Atlantic Business Center 7A [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,194      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,171      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 205      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,194      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,376      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,570      
Real Estate Accumulated Depreciation 1,466      
Pompano Atlantic Business Center 7B [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,066      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,682      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 85      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,066      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,767      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,833      
Real Estate Accumulated Depreciation 2,041      
Pompano Atlantic Business Center 8 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,616      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,634      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 162      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,616      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,796      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,412      
Real Estate Accumulated Depreciation 1,235      
Pompano Copans Business Park 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,710      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,653      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 259      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,710      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,912      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,622      
Real Estate Accumulated Depreciation 1,259      
Pompano Copans Business Park 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,781      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,263      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 404      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,781      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,667      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,448      
Real Estate Accumulated Depreciation 1,286      
Pompano Park Central Business Park 10 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,688      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,997      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 116      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,688      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,113      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,801      
Real Estate Accumulated Depreciation 811      
Pompano Park Central Business Park 11 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,098      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,567      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,641      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,098      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,208      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,306      
Real Estate Accumulated Depreciation 1,467      
Pompano Pompano Commerce Ctr I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,250      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,206      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 886      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,250      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,092      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,342      
Real Estate Accumulated Depreciation 3,400      
Pompano Beach Pompano Commerce Ctr II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,905      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,670      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 486      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,916      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,145      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,061      
Real Estate Accumulated Depreciation 1,252      
Pompano Pompano Commerce Ctr III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,250      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,704      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 47      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,250      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,751      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,001      
Real Estate Accumulated Depreciation 3,196      
Pompano Beach Pompano Commerce Ctr IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,897      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,939      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,249      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,908      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,177      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,085      
Real Estate Accumulated Depreciation 969      
Pompano Sample 95 Business Park 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,300      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,355      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 371      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,300      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,726      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,026      
Real Estate Accumulated Depreciation 2,271      
Pompano Sample 95 Business Park 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,963      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,135      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 198      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,963      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,333      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,296      
Real Estate Accumulated Depreciation 1,967      
Pompano Sample 95 Business Park 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,713      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,288      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 362      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,713      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,650      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,363      
Real Estate Accumulated Depreciation 1,701      
Pompano Sample 95 Business Park 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,688      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,035      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 837      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,688      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,872      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,560      
Real Estate Accumulated Depreciation 1,875      
Pompano Copans Business Park 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,856      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,151      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,303      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,856      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,454      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,310      
Real Estate Accumulated Depreciation 1,710      
Pompano Copans Business Park 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,988      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,367      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 234      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,988      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,601      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,589      
Real Estate Accumulated Depreciation 1,163      
Pompano Park Central Business Park 8-9 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,136      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,407      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 814      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,136      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,221      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,357      
Real Estate Accumulated Depreciation 2,470      
Pompano Park Central Business Park 12 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,696      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,170      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 832      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,696      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,002      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,698      
Real Estate Accumulated Depreciation 2,484      
Pompano Park Central Business Park 14 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,635      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,855      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 379      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,635      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,234      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,869      
Real Estate Accumulated Depreciation 1,092      
Pompano Park Central Business Park 15 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,500      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,129      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 863      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,500      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,992      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,492      
Real Estate Accumulated Depreciation 1,214      
Pompano Park Central Business Park 33 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,438      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,021      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,299      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,438      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,320      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,758      
Real Estate Accumulated Depreciation 1,874      
Port Wentworth 318 Grange Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 880      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,131      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 916      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 880      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,047      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,927      
Real Estate Accumulated Depreciation 1,581      
Port Wentworth 246 Grange Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 3,270      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,124      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,486      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 53      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,124      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,539      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,663      
Real Estate Accumulated Depreciation 2,568      
Port Wentworth 100 Logistics Way [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 6,047      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,306      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,085      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,279      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,336      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,334      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,670      
Real Estate Accumulated Depreciation 4,523      
Port Wentworth 500 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,720      
Real Estate and Accumulated Depreciation, Initial Cost of Land 649      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,842      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 216      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 649      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,058      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,707      
Real Estate Accumulated Depreciation 1,759      
Port Wentworth 400 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,636      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,194      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 665      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,636      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,859      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,495      
Real Estate Accumulated Depreciation 3,763      
Port Wentworth 605 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,615      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,893      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 67      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,615      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,960      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,575      
Real Estate Accumulated Depreciation 1,991      
Port Wentworth 405 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,739      
Real Estate and Accumulated Depreciation, Initial Cost of Land 535      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,192      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 111      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 535      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,303      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,838      
Real Estate Accumulated Depreciation 819      
Port Wentworth 600 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,978      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,248      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,392      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 33      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,248      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,425      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,673      
Real Estate Accumulated Depreciation 2,392      
Port Wentworth 602 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,840      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,981      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 78      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,859      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,040      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,899      
Real Estate Accumulated Depreciation 2,713      
Raleigh Walnut Creek Business Park I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 419      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,651      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 826      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 419      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,477      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,896      
Real Estate Accumulated Depreciation 1,022      
Raleigh Walnut Creek Business Park II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 456      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,078      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 451      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 456      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,529      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,985      
Real Estate Accumulated Depreciation 1,098      
Raleigh Walnut Creek Business Park III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 679      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,766      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,495      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 679      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,261      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,940      
Real Estate Accumulated Depreciation 1,684      
Raleigh Walnut Creek Business Park IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,038      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,460      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,514      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,083      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,929      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,012      
Real Estate Accumulated Depreciation 2,347      
Raleigh Walnut Creek Business Park V [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,718      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,746      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 657      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,718      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,403      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,121      
Real Estate Accumulated Depreciation 1,824      
Rancho Cucamonga 9189 Utica Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,794      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,646      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 265      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,794      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,911      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,705      
Real Estate Accumulated Depreciation 1,243      
Rancho Dominguez 18700 Laurel Park Rd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,080      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,987      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 230      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,212      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,085      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,297      
Real Estate Accumulated Depreciation 242      
Redlands Redlands Commerce Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 20,031      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,835      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,308      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 20,031      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 20,143      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 40,174      
Real Estate Accumulated Depreciation 6,184      
Romeoville Park 55 Bldg. 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,433      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,400      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,876      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,433      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,276      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,709      
Real Estate Accumulated Depreciation 5,517      
Romeoville Crossroads 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,938      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,320      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,667      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,938      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,987      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,925      
Real Estate Accumulated Depreciation 4,025      
Romeoville Crossroads 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,296      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,133      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 306      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,296      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,439      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,735      
Real Estate Accumulated Depreciation 5,548      
Romeoville 1341-1343 Enterprise Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,076      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,660      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 462      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,076      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,122      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,198      
Real Estate Accumulated Depreciation 2,089      
Romeoville 50-56 N. Paragon [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,985      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,433      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,202      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,985      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,635      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,620      
Real Estate Accumulated Depreciation 604      
Roseville I-35 Business Center 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,655      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,944      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,071      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,655      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,015      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,670      
Real Estate Accumulated Depreciation 2,407      
Roseville I-35 Business Center 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,373      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,135      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,043      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,373      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,178      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,551      
Real Estate Accumulated Depreciation 1,568      
Savannah 198 Gulfstream [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 549      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,661      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 310      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 549      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,971      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,520      
Real Estate Accumulated Depreciation 1,359      
Savannah 194 Gulfstream [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 412      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,372      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 190      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 412      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,562      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,974      
Real Estate Accumulated Depreciation 874      
Savannah 190 Gulfstream [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 689      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,142      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 361      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 689      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,503      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,192      
Real Estate Accumulated Depreciation 1,541      
Savannah 250 Grange Rd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 884      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,776      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 27      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 884      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,803      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,687      
Real Estate Accumulated Depreciation 2,645      
Savannah 248 Grange Rd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 613      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,180      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 613      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,188      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,801      
Real Estate Accumulated Depreciation 1,113      
Savannah 163 Portside Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,433      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,746      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 48      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,433      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,794      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,227      
Real Estate Accumulated Depreciation 5,295      
Savannah 151 Portside Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 966      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,117      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 750      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 966      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,867      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,833      
Real Estate Accumulated Depreciation 2,687      
Savannah 175 Portside Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 7,017      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,300      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,344      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,439      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,782      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,301      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,083      
Real Estate Accumulated Depreciation 5,675      
Savannah 235 Jimmy Deloach Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,074      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,201      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,307      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,187      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,395      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,582      
Real Estate Accumulated Depreciation 2,906      
Savannah 239 Jimmy Deloach Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,074      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,435      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 675      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,074      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,110      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,184      
Real Estate Accumulated Depreciation 2,409      
Savannah 246 Jimmy Deloach Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,987      
Real Estate and Accumulated Depreciation, Initial Cost of Land 992      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,878      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 141      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 992      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,019      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,011      
Real Estate Accumulated Depreciation 1,758      
Savannah 200 Logistics Way [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 4,192      
Real Estate and Accumulated Depreciation, Initial Cost of Land 878      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,274      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 322      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 883      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,591      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,474      
Real Estate Accumulated Depreciation 2,717      
Savannah 2509 Dean Forest Rd - Westport [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,392      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,572      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,432      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,960      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,436      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,396      
Real Estate Accumulated Depreciation 3,920      
Sea Brook Bayport Logistics Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,629      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,284      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 152      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,629      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,436      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,065      
Real Estate Accumulated Depreciation 5,455      
Sea Brook Bayport Logistics Center II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,116      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,663      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 121      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,116      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,784      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,900      
Real Estate Accumulated Depreciation 1,654      
Shakopee MN Valley West [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,496      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,102      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 67      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,522      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,143      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,665      
Real Estate Accumulated Depreciation 1,822      
Shakopee Gateway South 2301 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,648      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,898      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,648      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,899      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,547      
Real Estate Accumulated Depreciation 1,282      
Shakopee Gateway South 2101 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,273      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 16,717      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,273      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,717      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,990      
Real Estate Accumulated Depreciation 1,162      
Sharonville Mosteller Distribution Ctr. II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 408      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,705      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,602      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 408      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,307      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,715      
Real Estate Accumulated Depreciation 2,627      
South Brunswick 10 Broadway Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 15,168      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,916      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,226      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 15,168      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,142      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 30,310      
Real Estate Accumulated Depreciation 1,240      
South Brunswick 377-387 Davidsons Mill Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,001      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 36,527      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 93      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,001      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 36,620      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,621      
Real Estate Accumulated Depreciation 2,335      
St. Peters Premier 370 Bus Park 2001 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,709      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 25,696      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,709      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 25,696      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 34,405      
Real Estate Accumulated Depreciation 2,678      
St. Peters Premier 370 Bus Park 2000 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,361      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,998      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,361      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,998      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,359      
Real Estate Accumulated Depreciation 954      
St. Peters Premier 370 Bus Park 1000 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 4,563      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,805      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 718      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,563      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,523      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,086      
Real Estate Accumulated Depreciation 792      
Stafford Stafford Distribution Center [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,502      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,546      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,390      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,502      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,936      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,438      
Real Estate Accumulated Depreciation 3,926      
Sterling TransDulles Centre 22601 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,700      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,001      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 602      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,700      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,603      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,303      
Real Estate Accumulated Depreciation 1,195      
Sterling TransDulles Centre 22620 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 773      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,957      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 773      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,963      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,736      
Real Estate Accumulated Depreciation 433      
Sterling TransDulles Centre 22626 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,544      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,055      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 144      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,544      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,199      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,743      
Real Estate Accumulated Depreciation 1,006      
Sterling TransDulles Centre 22633 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 702      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,657      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 47      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 702      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,704      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,406      
Real Estate Accumulated Depreciation 398      
Sterling TransDulles Centre 22635 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,753      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,336      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,753      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,342      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,095      
Real Estate Accumulated Depreciation 1,044      
Sterling TransDulles Centre 22645 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,228      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,411      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 38      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,228      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,449      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,677      
Real Estate Accumulated Depreciation 761      
Sterling 22714 Glenn Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,973      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,535      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,185      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,973      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,720      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,693      
Real Estate Accumulated Depreciation 2,361      
Sterling TransDulles Centre 22750 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,068      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,334      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 298      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,068      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,632      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,700      
Real Estate Accumulated Depreciation 5,049      
Sterling TransDulles Centre 22815 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,685      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,713      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 233      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,685      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,946      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,631      
Real Estate Accumulated Depreciation 1,460      
Sterling TransDulles Centre 22825 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,758      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,951      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 131      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,758      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,082      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,840      
Real Estate Accumulated Depreciation 2,315      
Sterling TransDulles Centre 22879 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,828      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 8,425      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 170      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,828      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,595      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,423      
Real Estate Accumulated Depreciation 1,871      
Sterling TransDulles Centre 22880 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,311      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,922      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,311      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,922      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,233      
Real Estate Accumulated Depreciation 1,140      
Sterling TransDulles Centre Building 16 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,912      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,965      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 720      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,912      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,685      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,597      
Real Estate Accumulated Depreciation 1,188      
Sumner Sumner Transit [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 16,032      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,935      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 502      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 16,032      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,437      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,469      
Real Estate Accumulated Depreciation 5,069      
Suwanee 90 Horizon Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 180      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,169      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 182      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 180      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,351      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,531      
Real Estate Accumulated Depreciation 428      
Suwanee 225 Horizon Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 457      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,056      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 696      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 457      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,752      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,209      
Real Estate Accumulated Depreciation 804      
Suwanee 250 Horizon Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,625      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,354      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,165      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,625      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,519      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,144      
Real Estate Accumulated Depreciation 2,706      
Suwanee 70 Crestridge Drive [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 956      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,441      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 897      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 956      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,338      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,294      
Real Estate Accumulated Depreciation 1,359      
Suwanee 2780 Horizon Ridge [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,143      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,724      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,506      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,143      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,230      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,373      
Real Estate Accumulated Depreciation 1,986      
Suwanee 25 Crestridge Dr [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 723      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,551      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,870      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 723      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,421      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,144      
Real Estate Accumulated Depreciation 1,510      
Suwanee Genera Corp. BTS [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,505      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,958      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,505      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,958      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,463      
Real Estate Accumulated Depreciation 2,024      
Suwanee 1000 Northbrook Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 756      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,818      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 621      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 756      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,439      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,195      
Real Estate Accumulated Depreciation 1,885      
Tampa Fairfield Distribution Ctr I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 483      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,473      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 388      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 487      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,857      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,344      
Real Estate Accumulated Depreciation 1,433      
Tampa Fairfield Distribution Ctr II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 530      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,639      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 778      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 534      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,413      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,947      
Real Estate Accumulated Depreciation 2,594      
Tampa Fairfield Distribution Ctr III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 334      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,658      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 769      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 338      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,423      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,761      
Real Estate Accumulated Depreciation 1,386      
Tampa Fairfield Distribution Ctr IV [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 600      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,254      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,191      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 604      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,441      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,045      
Real Estate Accumulated Depreciation 1,524      
Tampa Fairfield Distribution Ctr V [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 488      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,425      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 891      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 488      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,316      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,804      
Real Estate Accumulated Depreciation 1,307      
Tampa Fairfield Distribution Ctr VI [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 555      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,409      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,210      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 555      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,619      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,174      
Real Estate Accumulated Depreciation 2,041      
Tampa Fairfield Distribution Ctr VII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 394      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,704      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,354      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 394      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,058      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,452      
Real Estate Accumulated Depreciation 1,459      
Tampa Fairfield Distrib. Ctr. VIII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,082      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,640      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 879      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,082      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,519      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,601      
Real Estate Accumulated Depreciation 1,511      
Tampa Eagle Creek Business Ctr. I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,705      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,331      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,650      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,705      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,981      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,686      
Real Estate Accumulated Depreciation 3,509      
Tampa Eagle Creek Business Ctr. II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,354      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,661      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,896      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,354      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,557      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,911      
Real Estate Accumulated Depreciation 2,146      
Tampa Eagle Creek Business Ctr. III [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,332      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,229      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,771      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,332      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,000      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,332      
Real Estate Accumulated Depreciation 2,980      
Teterboro 1 Catherine Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 14,376      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,788      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 14,376      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,788      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 33,164      
Real Estate Accumulated Depreciation 1,550      
Tracy 1400 Pescadero Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,633      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 39,644      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,633      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 39,644      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 49,277      
Real Estate Accumulated Depreciation 9,849      
West Chester World Park at Union Centre 10 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,150      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 827      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7,934      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,151      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,760      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,911      
Real Estate Accumulated Depreciation 4,295      
West Chester World Park at Union Centre 11 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,592      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,065      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 298      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,592      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,363      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,955      
Real Estate Accumulated Depreciation 4,290      
West Chester World Park at Union Centre 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 287      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,232      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 340      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 287      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,572      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,859      
Real Estate Accumulated Depreciation 810      
West Chester World Park at Union Centre 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,125      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,042      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 337      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,125      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,379      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,504      
Real Estate Accumulated Depreciation 2,041      
West Chester World Park at Union Centre 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 482      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,344      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 722      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 482      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,066      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,548      
Real Estate Accumulated Depreciation 918      
West Chester World Park at Union Centre 6 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,219      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,201      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 379      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,219      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,580      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,799      
Real Estate Accumulated Depreciation 2,060      
West Chester World Park at Union Centre 7 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,918      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,760      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 642      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,918      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,402      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,320      
Real Estate Accumulated Depreciation 2,418      
West Chester World Park at Union Centre 8 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,160      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,985      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,291      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,160      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,276      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,436      
Real Estate Accumulated Depreciation 2,300      
West Chester World Park at Union Centre 9 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,189      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,914      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 802      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,189      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,716      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,905      
Real Estate Accumulated Depreciation 2,287      
West Palm Beach Park of Commerce 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,635      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,728      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 217      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,635      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,945      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,580      
Real Estate Accumulated Depreciation 694      
West Palm Beach Park of Commerce 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,160      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 3,633      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 607      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,320      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,080      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,400      
Real Estate Accumulated Depreciation 1,326      
West Palm Beach Airport Center 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,437      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,851      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 642      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,437      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,493      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,930      
Real Estate Accumulated Depreciation 2,035      
West Palm Beach Airport Center 2 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,706      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,453      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 358      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,706      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,811      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,517      
Real Estate Accumulated Depreciation 1,589      
West Palm Beach Airport Center 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,500      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,383      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 774      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,500      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,157      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,657      
Real Estate Accumulated Depreciation 1,613      
West Palm Beach Park of Commerce 4 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,934      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,934      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,934      
Real Estate Accumulated Depreciation 40      
West Palm Beach Park of Commerce 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,308      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,308      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,308      
Real Estate Accumulated Depreciation 39      
West Palm Beach Turnpike Crossing 1315 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 7,390      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,762      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 352      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,390      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,114      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,504      
Real Estate Accumulated Depreciation 1,287      
West Palm Beach Turnpike Crossing 1333 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,255      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,560      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 975      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,255      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,535      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,790      
Real Estate Accumulated Depreciation 1,071      
West Palm Beach Turnpike Crossing 6747 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 10,607      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,112      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,765      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,607      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,877      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,484      
Real Estate Accumulated Depreciation 708      
West Palm Beach Turnpike Crossing 6729 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,576      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,506      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,576      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,506      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,082      
Real Estate Accumulated Depreciation 135      
Whitestown AllPoints Anson Bldg 14 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,127      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,528      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 943      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,127      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,471      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,598      
Real Estate Accumulated Depreciation 3,232      
Accum. Depr. on Improvements of Undeveloped Land [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances      
Real Estate and Accumulated Depreciation, Initial Cost of Land      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements      
Real Estate and Accumulated Depreciation, Carrying Amount of Land      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements      
Real Estate Accumulated Depreciation 8,068      
Eliminations [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances      
Real Estate and Accumulated Depreciation, Initial Cost of Land      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements (16)      
Real Estate and Accumulated Depreciation, Carrying Amount of Land (17)      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements (16)      
Real Estate Accumulated Depreciation $ (136)      
Maximum [Member] | Developed Properties [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Property, Plant and Equipment, Useful Life 40 years      
Maximum [Member] | Acquired Properties [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Property, Plant and Equipment, Useful Life 30 years      
Maximum [Member] | Leasehold Improvements [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Property, Plant and Equipment, Useful Life 10 years      
Minimum [Member] | Developed Properties [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Property, Plant and Equipment, Useful Life 15 years      
Minimum [Member] | Acquired Properties [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Property, Plant and Equipment, Useful Life 10 years      
Minimum [Member] | Leasehold Improvements [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Property, Plant and Equipment, Useful Life 3 years