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Schedule III (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 34,187      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,505,632      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,705,734      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 639,912      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,851,278 $ 7,248,346 $ 6,612,229 $ 6,523,281
Real Estate Accumulated Depreciation 1,487,593 1,345,060 1,196,458 $ 1,302,210
Land and Land Improvements Held-for-Sale (4,561)      
Buildings and Tenant Improvements Held-for-Sale (18,840)      
Total Land, Land Improvements, Buildings and Tenant Improvements Held-for-Sale (23,401) 0 (18,662)  
Accumulated Depreciation of Assets Held-for-Sale (7,132)      
Land and Land Improvements 2,532,541 2,268,343    
Investment Building and Building Improvements 5,295,336 4,980,003    
SEC Schedule III, Real Estate, Excluding Held-for-Sale 7,827,877 7,248,346 6,593,567  
Real Estate Investment Property, Accumulated Depreciation 1,480,461 $ 1,344,176 $ 1,193,905  
Real Estate, Federal Income Tax Basis 7,289,109      
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 11,383      
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 11,714      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,778      
Real Estate Accumulated Depreciation 2,763      
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 1,420      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 963      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,045      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,008      
Real Estate Accumulated Depreciation 2,964      
Aurora Genera Corporation [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 3,512      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 26      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 970      
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 4,508      
Real Estate Accumulated Depreciation 1,349      
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 5,907      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,272      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,615      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,887      
Real Estate Accumulated Depreciation 9,694      
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 2,237      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,674      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,160      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,834      
Real Estate Accumulated Depreciation 2,594      
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 2,502      
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 4,243      
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 2,762      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,967      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,680      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,647      
Real Estate Accumulated Depreciation 3,731      
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 14      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 28,151      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 41,126      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 69,277      
Real Estate Accumulated Depreciation 7,342      
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 6,918      
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 3,078      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,138      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,525      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,663      
Real Estate Accumulated Depreciation 696      
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 1,355      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,957      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,365      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,292      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,657      
Real Estate Accumulated Depreciation 3,269      
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 7,087      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,620      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,546      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,649      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,195      
Real Estate Accumulated Depreciation 5,510      
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 17,001      
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 8,043      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,518      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,782      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,503      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,285      
Real Estate Accumulated Depreciation 5,118      
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 105      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,333      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,329      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,662      
Real Estate Accumulated Depreciation 2,881      
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 870      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,567      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,970      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,537      
Real Estate Accumulated Depreciation 1,275      
Batavia S Afton Industrial Park 3001 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,729      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 20,720      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,729      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 20,720      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,449      
Real Estate Accumulated Depreciation 718      
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 4,937      
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 520      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,385      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 44,975      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 63,360      
Real Estate Accumulated Depreciation 4,591      
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 3,282      
Bolingbrook Crossroads 1 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,418      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,482      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 921      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,418      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,403      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,821      
Real Estate Accumulated Depreciation 2,608      
Bolingbrook Crossroads 3 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,330      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 4,371      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 523      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,330      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,894      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,224      
Real Estate Accumulated Depreciation 1,959      
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 1,879      
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 2,559      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,656      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,146      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,802      
Real Estate Accumulated Depreciation 2,849      
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 8,342      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 779      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,574      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,121      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,695      
Real Estate Accumulated Depreciation 2,678      
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 1,752      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,271      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,065      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,336      
Real Estate Accumulated Depreciation 3,015      
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 4,584      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 216      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,006      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,800      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,806      
Real Estate Accumulated Depreciation 1,682      
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 763      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,381      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,981      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,362      
Real Estate Accumulated Depreciation 1,506      
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 192      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,800      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,775      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,575      
Real Estate Accumulated Depreciation 1,060      
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 1,174      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,238      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,715      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,953      
Real Estate Accumulated Depreciation 1,293      
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 1,304      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 699      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,238      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,003      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,241      
Real Estate Accumulated Depreciation 772      
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 2,658      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 217      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,800      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,875      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,675      
Real Estate Accumulated Depreciation 1,112      
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 2,043      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,781      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,943      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,724      
Real Estate Accumulated Depreciation 4,839      
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 5,956      
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 21,010      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 5,895      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 11,062      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 25,698      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 36,760      
Real Estate Accumulated Depreciation 15,089      
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 5,360      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,227      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,216      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,443      
Real Estate Accumulated Depreciation 10,428      
Braselton 1380 Jesse Cronic Rd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,519      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,534      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,519      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,534      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,053      
Real Estate Accumulated Depreciation 991      
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 4,410      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,802      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,065      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,212      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,277      
Real Estate Accumulated Depreciation 3,234      
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 1,844      
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 3,794      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,859      
Real Estate Accumulated Depreciation 1,976      
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 3,233      
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 4,693      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,541      
Real Estate Accumulated Depreciation 2,529      
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 720      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,124      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,036      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,160      
Real Estate Accumulated Depreciation 2,739      
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 184      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,470      
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 4,355      
Real Estate Accumulated Depreciation 1,383      
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 2,690      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 463      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 600      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,153      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,753      
Real Estate Accumulated Depreciation 1,100      
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 5,752      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 416      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,664      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,168      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,832      
Real Estate Accumulated Depreciation 2,740      
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 3,622      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 371      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 834      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,993      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,827      
Real Estate Accumulated Depreciation 1,360      
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 2,105      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,475      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,564      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,039      
Real Estate Accumulated Depreciation 3,092      
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 673      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 703      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,959      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,662      
Real Estate Accumulated Depreciation 3,076      
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 4,433      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,536      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,121      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,683      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,804      
Real Estate Accumulated Depreciation 2,978      
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 4,926      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,308      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,233      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,080      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,313      
Real Estate Accumulated Depreciation 3,506      
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 3,743      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,005      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,166      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,661      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,827      
Real Estate Accumulated Depreciation 2,286      
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 2,674      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,706      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,723      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,380      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,103      
Real Estate Accumulated Depreciation 3,248      
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 4,849      
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 (62)      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 23,245      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 50,616      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 73,861      
Real Estate Accumulated Depreciation 4,572      
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 504      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 28,582      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,514      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 34,096      
Real Estate Accumulated Depreciation 622      
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 11,210      
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 13,239      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,276      
Real Estate Accumulated Depreciation 5,487      
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 1,437      
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 5,960      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 822      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,569      
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 8,338      
Real Estate Accumulated Depreciation 2,418      
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 2,446      
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 5,799      
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 2,384      
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 5,349      
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 4,760      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,018      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,778      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,778      
Real Estate Accumulated Depreciation 6,556      
Cincinnati 8230 Kenwood Commons [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 623      
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 1,342      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 638      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,384      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,022      
Real Estate Accumulated Depreciation 689      
Cincinnati 8280 Kenwood Commons [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,277      
Real Estate and Accumulated Depreciation, Initial Cost of Land 638      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 282      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,643      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 638      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,925      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,563      
Real Estate Accumulated Depreciation 874      
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 1,168      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,133      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,718      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,851      
Real Estate Accumulated Depreciation 2,126      
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 1,858      
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 2,220      
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 5,731      
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 8,133      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 38,930      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 35,760      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 74,690      
Real Estate Accumulated Depreciation 3,257      
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 13,389      
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 885      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,550      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 20,758      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,308      
Real Estate Accumulated Depreciation 2,438      
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 44,159      
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 44,159      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 57,224      
Real Estate Accumulated Depreciation 2,461      
Coppell Freeport X [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,145      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,784      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,641      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,145      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,425      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,570      
Real Estate Accumulated Depreciation 6,487      
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 12,803      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 9,024      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,475      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 21,533      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 32,008      
Real Estate Accumulated Depreciation 11,729      
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 11,700      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 8,143      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,519      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,109      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,628      
Real Estate Accumulated Depreciation 12,371      
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 1,024      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,267      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,719      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,986      
Real Estate Accumulated Depreciation 3,464      
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 66      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,677      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,819      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,496      
Real Estate Accumulated Depreciation 7,865      
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 4,242      
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 8,605      
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 592      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,198      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,589      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,787      
Real Estate Accumulated Depreciation 2,325      
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 5,540      
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 742      
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 591      
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 5,791      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,267      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,363      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,058      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,421      
Real Estate Accumulated Depreciation 2,392      
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 1,709      
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 43      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,720      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 36,539      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 55,259      
Real Estate Accumulated Depreciation 1,736      
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 969      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,970      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 32,017      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 50,987      
Real Estate Accumulated Depreciation 1,401      
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 4,298      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,211      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 560      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,509      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,069      
Real Estate Accumulated Depreciation 2,681      
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 3,623      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 776      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,159      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,935      
Real Estate Accumulated Depreciation 3,956      
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 1,860      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 765      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,478      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,243      
Real Estate Accumulated Depreciation 2,202      
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 6,804      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,748      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,651      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,552      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,203      
Real Estate Accumulated Depreciation 4,025      
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 3,107      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 676      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 861      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,783      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,644      
Real Estate Accumulated Depreciation 1,211      
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 1,321      
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 451      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 556      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,348      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,904      
Real Estate Accumulated Depreciation 963      
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 13,472      
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 5,319      
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 14      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,998      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,736      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,734      
Real Estate Accumulated Depreciation 2,728      
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 2,076      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 895      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,281      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,176      
Real Estate Accumulated Depreciation 2,915      
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 2,092      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 808      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 474      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,900      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,374      
Real Estate Accumulated Depreciation 1,397      
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 127      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,432      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,115      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,547      
Real Estate Accumulated Depreciation 3,008      
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 4,180      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,864      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,740      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,044      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,784      
Real Estate Accumulated Depreciation 3,767      
Eagan Trapp Road Commerce Center I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
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 969      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 691      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,390      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,081      
Real Estate Accumulated Depreciation 2,198      
Eagan Trapp Road Commerce Center II [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,250      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,424      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,657      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,250      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,081      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,331      
Real Estate Accumulated Depreciation 3,735      
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 4,311      
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 627      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,310      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 300      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,933      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,233      
Real Estate Accumulated Depreciation 1,336      
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 824      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,680      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 368      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,500      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,868      
Real Estate Accumulated Depreciation 1,265      
East Point 3201 Centre Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,937      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,426      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,202      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,937      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,628      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,565      
Real Estate Accumulated Depreciation 5,007      
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 2,919      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,372      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,220      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,130      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,350      
Real Estate Accumulated Depreciation 2,883      
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 1,309      
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 18,350      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 33,518      
Real Estate Accumulated Depreciation 15,463      
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 7,037      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,677      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,438      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,341      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,779      
Real Estate Accumulated Depreciation 6,199      
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 1,640      
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 2,252      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,740      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,894      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,634      
Real Estate Accumulated Depreciation 3,367      
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 554      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,327      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,472      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,799      
Real Estate Accumulated Depreciation 3,283      
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 1,716      
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 3,778      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,851      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,055      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 25,906      
Real Estate Accumulated Depreciation 4,124      
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 3,926      
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 3,639      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,505      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,336      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,841      
Real Estate Accumulated Depreciation 1,294      
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 303      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,772      
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 4,772      
Real Estate Accumulated Depreciation 343      
East Point Camp Creek 4900 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,244      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,758      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,244      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,758      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,002      
Real Estate Accumulated Depreciation 344      
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 1,884      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 24,762      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 57,374      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 82,136      
Real Estate Accumulated Depreciation 13,964      
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 1,968      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 17,979      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,850      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 40,829      
Real Estate Accumulated Depreciation 4,264      
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 913      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 29,850      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,872      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 63,722      
Real Estate Accumulated Depreciation 3,173      
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 18,593      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 248      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,561      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,841      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 23,402      
Real Estate Accumulated Depreciation 7,132      
Elk Grove Village 1717 Busse Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 9,803      
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 37      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,602      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,053      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,655      
Real Estate Accumulated Depreciation 6,175      
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 446      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,664      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,711      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,375      
Real Estate Accumulated Depreciation 2,913      
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 2,706      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,635      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,282      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,917      
Real Estate Accumulated Depreciation 5,233      
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 2,720      
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 736      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,689      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,963      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,652      
Real Estate Accumulated Depreciation 549      
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 1,032      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 581      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,593      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,174      
Real Estate Accumulated Depreciation 1,932      
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 1,614      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 555      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,112      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,667      
Real Estate Accumulated Depreciation 2,204      
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 19,299      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 515      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,861      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,814      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 29,675      
Real Estate Accumulated Depreciation 9,619      
Flower Mound Lakeside Ranch 1001 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,662      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 23,061      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,662      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 23,061      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 28,723      
Real Estate Accumulated Depreciation 756      
Flower Mound Lakeside Ranch 350 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,665      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,105      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,665      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,105      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,770      
Real Estate Accumulated Depreciation 0      
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 767      
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 1,877      
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 2,724      
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 4,419      
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 13,331      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 25      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,681      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,356      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,037      
Real Estate Accumulated Depreciation 916      
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 2,123      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,332      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,524      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,856      
Real Estate Accumulated Depreciation 1,708      
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 1,892      
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 10,633      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 662      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,975      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,295      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,270      
Real Estate Accumulated Depreciation 5,899      
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 2,919      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,208      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 936      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,127      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,063      
Real Estate Accumulated Depreciation 3,667      
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 5,824      
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 7,454      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,605      
Real Estate Accumulated Depreciation 3,881      
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 4,677      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,083      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 970      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,760      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,730      
Real Estate Accumulated Depreciation 2,961      
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 1,223      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 492      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,900      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,392      
Real Estate Accumulated Depreciation 1,073      
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 1,063      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,523      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 569      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,586      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,155      
Real Estate Accumulated Depreciation 1,304      
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 1,563      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 462      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 445      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,025      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,470      
Real Estate Accumulated Depreciation 1,021      
Franklin Brentwood South Bus Ctr VI [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
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 1,356      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 489      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,318      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,807      
Real Estate Accumulated Depreciation 1,179      
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 1,590      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,900      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,292      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,192      
Real Estate Accumulated Depreciation 1,922      
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 605      
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 415      
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 264      
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 1,020      
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 295      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 469      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,348      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,817      
Real Estate Accumulated Depreciation 763      
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 447      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 440      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,217      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,657      
Real Estate Accumulated Depreciation 1,799      
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 5,792      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,442      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 425      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,231      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,656      
Real Estate Accumulated Depreciation 2,041      
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 1,531      
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 2,401      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,517      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,895      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,412      
Real Estate Accumulated Depreciation 1,069      
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 180      
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 5,018      
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 1,964      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,547      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,626      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,173      
Real Estate Accumulated Depreciation 1,872      
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 13,475      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 592      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,184      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,067      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,251      
Real Estate Accumulated Depreciation 1,191      
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 1,813      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 12,324      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,566      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,890      
Real Estate Accumulated Depreciation 522      
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 9,124      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 15,357      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,595      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,992      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 32,587      
Real Estate Accumulated Depreciation 10,210      
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 11,851      
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 25,215      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 37,068      
Real Estate Accumulated Depreciation 13,590      
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 15,389      
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 15,434      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,815      
Real Estate Accumulated Depreciation 7,576      
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 1,214      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,468      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,813      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,281      
Real Estate Accumulated Depreciation 689      
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 5,123      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,797      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,049      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,920      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,969      
Real Estate Accumulated Depreciation 4,302      
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 2,309      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 510      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,704      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,214      
Real Estate Accumulated Depreciation 2,191      
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 5,435      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,234      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 435      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,669      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,104      
Real Estate Accumulated Depreciation 3,746      
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 7,408      
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 7,083      
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 9,304      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,775      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,491      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,788      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,279      
Real Estate Accumulated Depreciation 6,657      
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 19,323      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,511      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 29,464      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 38,975      
Real Estate Accumulated Depreciation 18,215      
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 6,730      
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 11,699      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,512      
Real Estate Accumulated Depreciation 6,842      
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 5,784      
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 5,876      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,933      
Real Estate Accumulated Depreciation 2,017      
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 535      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,400      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,306      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,706      
Real Estate Accumulated Depreciation 3,232      
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 8,305      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,118      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,016      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,423      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,439      
Real Estate Accumulated Depreciation 3,144      
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 973      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,878      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,011      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,889      
Real Estate Accumulated Depreciation 3,917      
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 1,257      
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 11,560      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 45      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,934      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,605      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 30,539      
Real Estate Accumulated Depreciation 1,470      
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 27      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 21,445      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,171      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 43,616      
Real Estate Accumulated Depreciation 1,926      
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 48      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 32,802      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 52,681      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 85,483      
Real Estate Accumulated Depreciation 3,949      
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 240      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 15,906      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,693      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 31,599      
Real Estate Accumulated Depreciation 1,131      
Hialeah Countyline Corporate Park 3850 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 18,270      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,567      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,270      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,567      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 35,837      
Real Estate Accumulated Depreciation 360      
Hialeah Countyline Corporate Park 3870 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 17,605      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,336      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 17,605      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,336      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 34,941      
Real Estate Accumulated Depreciation 267      
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 2,324      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,671      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,395      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,066      
Real Estate Accumulated Depreciation 2,300      
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 3,556      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,800      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,792      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 28,592      
Real Estate Accumulated Depreciation 2,188      
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 2,611      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,048      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,815      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 32,863      
Real Estate Accumulated Depreciation 3,039      
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 2,604      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,454      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,227      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,681      
Real Estate Accumulated Depreciation 5,427      
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 3,128      
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 2,108      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 4,548      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,581      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,285      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,866      
Real Estate Accumulated Depreciation 2,323      
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 642      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,957      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,735      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,692      
Real Estate Accumulated Depreciation 3,971      
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 2,574      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,657      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,417      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,997      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,414      
Real Estate Accumulated Depreciation 3,834      
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 969      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,246      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,307      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,553      
Real Estate Accumulated Depreciation 4,213      
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 3,680      
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 1,641      
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 1,416      
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 873      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,981      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,822      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,803      
Real Estate Accumulated Depreciation 1,008      
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 792      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,787      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,293      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,080      
Real Estate Accumulated Depreciation 1,250      
Houston Point North Three [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,503      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 10,357      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,503      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,357      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,860      
Real Estate Accumulated Depreciation 427      
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 1,974      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,333      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,920      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,253      
Real Estate Accumulated Depreciation 2,799      
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 5,632      
Hutchins Duke Intermodal I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,290      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,115      
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 11,798      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,088      
Real Estate Accumulated Depreciation 7,363      
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 3,481      
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 2,443      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,356      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,762      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,118      
Real Estate Accumulated Depreciation 1,628      
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 12,611      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 675      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,424      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,033      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,457      
Real Estate Accumulated Depreciation 7,792      
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 786      
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 4,329      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 768      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,800      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,097      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,897      
Real Estate Accumulated Depreciation 1,878      
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 1,065      
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 2,014      
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 2,212      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,854      
Real Estate Accumulated Depreciation 862      
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 459      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 427      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,716      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,143      
Real Estate Accumulated Depreciation 853      
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 1,737      
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 2,109      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,536      
Real Estate Accumulated Depreciation 860      
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 13,349      
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 14,173      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,325      
Real Estate Accumulated Depreciation 4,648      
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 3,797      
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 623      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 15,340      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 48,604      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 63,944      
Real Estate Accumulated Depreciation 11,906      
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 3,113      
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 30,945      
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 31,070      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 54,573      
Real Estate Accumulated Depreciation 9,143      
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 22,164      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 7      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 39,645      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,171      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 61,816      
Real Estate Accumulated Depreciation 1,683      
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 22,270      
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 22,270      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 32,056      
Real Estate Accumulated Depreciation 1,983      
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 1,480      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,935      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 73      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,487      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,001      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,488      
Real Estate Accumulated Depreciation 1,131      
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 1,534      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 177      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,198      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,375      
Real Estate Accumulated Depreciation 5,403      
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 6,230      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,578      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 340      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,808      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,148      
Real Estate Accumulated Depreciation 3,913      
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 11,158      
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 12,102      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,619      
Real Estate Accumulated Depreciation 5,125      
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 3,776      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 750      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 561      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,526      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,087      
Real Estate Accumulated Depreciation 2,022      
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 2,941      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,813      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,682      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,495      
Real Estate Accumulated Depreciation 7,234      
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 1,495      
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 1,016      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 699      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,863      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,562      
Real Estate Accumulated Depreciation 3,376      
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 8,449      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,061      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,776      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,510      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 21,286      
Real Estate Accumulated Depreciation 9,472      
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 1,412      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,852      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,145      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 23,997      
Real Estate Accumulated Depreciation 7,503      
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 6,476      
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 1,975      
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 2,301      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 25,937      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,105      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 48,042      
Real Estate Accumulated Depreciation 4,280      
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 58      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,282      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,592      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,874      
Real Estate Accumulated Depreciation 1,639      
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 2,118      
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 1,879      
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 2,517      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,520      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,989      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,509      
Real Estate Accumulated Depreciation 2,086      
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 823      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,868      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,229      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,097      
Real Estate Accumulated Depreciation 4,910      
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 326      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,947      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,779      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,726      
Real Estate Accumulated Depreciation 3,477      
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 18,699      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,607      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,770      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 20,306      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,076      
Real Estate Accumulated Depreciation 5,110      
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 2,633      
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 56      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 16,847      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,921      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 34,768      
Real Estate Accumulated Depreciation 6,524      
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 1,308      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,958      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,034      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,992      
Real Estate Accumulated Depreciation 1,234      
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 317      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,851      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,302      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 24,153      
Real Estate Accumulated Depreciation 5,555      
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 1,335      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,912      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,117      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,029      
Real Estate Accumulated Depreciation 517      
Maple Grove Arbor Lakes 10501 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 5,363      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,713      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,363      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,713      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 23,076      
Real Estate Accumulated Depreciation 612      
Maple Grove Park 81 10750 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,971      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 9,414      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,971      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,414      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,385      
Real Estate Accumulated Depreciation 164      
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 1,492      
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 4,367      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,100      
Real Estate Accumulated Depreciation 2,066      
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 2,250      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,864      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,322      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,186      
Real Estate Accumulated Depreciation 3,293      
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 8,117      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,351      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 615      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,468      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,083      
Real Estate Accumulated Depreciation 5,111      
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 10,910      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 6,909      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,428      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 16,664      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,092      
Real Estate Accumulated Depreciation 7,105      
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 15,007      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 512      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,499      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 15,514      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,013      
Real Estate Accumulated Depreciation 3,673      
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 275      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,907      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,791      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 23,698      
Real Estate Accumulated Depreciation 6,356      
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 4,230      
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 627      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,282      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 33,823      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 40,105      
Real Estate Accumulated Depreciation 9,227      
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 215      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,115      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,159      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 27,274      
Real Estate Accumulated Depreciation 6,435      
Monroe Twp. 773 Cranbury South River 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 112      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,001      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 36,639      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,640      
Real Estate Accumulated Depreciation 4,089      
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 81      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 67,806      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 74,612      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 142,418      
Real Estate Accumulated Depreciation 7,117      
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 799      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,727      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 19,681      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 29,408      
Real Estate Accumulated Depreciation 1,616      
Moreno Valley 24975 Nandina Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 13,322      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,214      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 13,322      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,214      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 30,536      
Real Estate Accumulated Depreciation 278      
Moreno Valley 24960 San Michele [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,336      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 13,779      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,336      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,779      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,115      
Real Estate Accumulated Depreciation 701      
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 90      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,482      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,299      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,781      
Real Estate Accumulated Depreciation 3,621      
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 168      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,447      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,639      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,086      
Real Estate Accumulated Depreciation 3,756      
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 1,982      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,666      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 491      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,639      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,130      
Real Estate Accumulated Depreciation 1,811      
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 1,699      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 241      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,007      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,248      
Real Estate Accumulated Depreciation 1,489      
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 4,151      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,395      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 791      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,532      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,323      
Real Estate Accumulated Depreciation 2,922      
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 2,330      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 662      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,411      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,073      
Real Estate Accumulated Depreciation 1,513      
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 3,183      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,080      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,132      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,764      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,896      
Real Estate Accumulated Depreciation 2,329      
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 3,868      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 541      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 615      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,409      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,024      
Real Estate Accumulated Depreciation 2,192      
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 3,688      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 897      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 357      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,585      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,942      
Real Estate Accumulated Depreciation 2,293      
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 529      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 640      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,006      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,646      
Real Estate Accumulated Depreciation 3,007      
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 2,768      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 549      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 514      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,317      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,831      
Real Estate Accumulated Depreciation 1,406      
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 4,155      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 629      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 740      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,784      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,524      
Real Estate Accumulated Depreciation 2,078      
Morrisville 400 Innovation [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 390      
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 390      
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 1,899      
Real Estate Accumulated Depreciation 607      
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 1,986      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 24,661      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 25,942      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 50,603      
Real Estate Accumulated Depreciation 2,511      
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 462      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,213      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,379      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,592      
Real Estate Accumulated Depreciation 3,250      
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 4,589      
Naperville 1860 W. Jefferson [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
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 12,873      
Nashville Airpark East-800 Commerce Dr. [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 1,564      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,129      
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 3,722      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,286      
Real Estate Accumulated Depreciation 1,720      
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 4,773      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,899      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 936      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,672      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,608      
Real Estate Accumulated Depreciation 3,314      
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 2,184      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,659      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,349      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,008      
Real Estate Accumulated Depreciation 6,379      
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 714      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 938      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,068      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,006      
Real Estate Accumulated Depreciation 3,589      
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 6,561      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,532      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,812      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,093      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,905      
Real Estate Accumulated Depreciation 4,527      
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 4,820      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,825      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,522      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,645      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,167      
Real Estate Accumulated Depreciation 3,357      
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 2,087      
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 4,763      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 115      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,108      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,878      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,986      
Real Estate Accumulated Depreciation 1,585      
Newark 429 Delancy Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 60,393      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 44,803      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 60,393      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 44,803      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 105,196      
Real Estate Accumulated Depreciation 0      
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 9,008      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,134      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,721      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,142      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,863      
Real Estate Accumulated Depreciation 4,266      
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 4,883      
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 829      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,554      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,357      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,911      
Real Estate Accumulated Depreciation 3,600      
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 1,741      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,066      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,256      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,322      
Real Estate Accumulated Depreciation 322      
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 3,235      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 348      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,331      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,583      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,914      
Real Estate Accumulated Depreciation 1,472      
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 3,136      
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 981      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 498      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,146      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,644      
Real Estate Accumulated Depreciation 2,777      
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 3,150      
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 4,495      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,092      
Real Estate Accumulated Depreciation 2,170      
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 4,111      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,224      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 653      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,331      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,984      
Real Estate Accumulated Depreciation 2,829      
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 4,207      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,233      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,035      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,435      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,470      
Real Estate Accumulated Depreciation 3,313      
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 2,245      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,479      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 730      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,719      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,449      
Real Estate Accumulated Depreciation 1,824      
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 781      
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 3,529      
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 3,571      
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 5,644      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,345      
Real Estate Accumulated Depreciation 2,798      
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 6,820      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 12      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,817      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,832      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,649      
Real Estate Accumulated Depreciation 604      
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 1,868      
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 3,232      
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 2,805      
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 341      
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 736      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,715      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 31,697      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 37,412      
Real Estate Accumulated Depreciation 7,953      
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 113      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,772      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,368      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,140      
Real Estate Accumulated Depreciation 1,138      
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 85      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,638      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 30,298      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 37,936      
Real Estate Accumulated Depreciation 3,548      
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 8,884      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,716      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 34,137      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 52,853      
Real Estate Accumulated Depreciation 8,157      
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 1,885      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 39,006      
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 84,177      
Real Estate Accumulated Depreciation 9,295      
Perris 4323 Indian Ave [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 20,525      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 30,125      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 20,525      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 30,125      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 50,650      
Real Estate Accumulated Depreciation 1,279      
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 43      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,689      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,940      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,629      
Real Estate Accumulated Depreciation 1,314      
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 14,745      
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 15,104      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,490      
Real Estate Accumulated Depreciation 2,066      
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 2,014      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 14,425      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 25,477      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 39,902      
Real Estate Accumulated Depreciation 2,408      
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 133      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 43,778      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 87,152      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 130,930      
Real Estate Accumulated Depreciation 8,387      
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 1,040      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 19,726      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 42,269      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 61,995      
Real Estate Accumulated Depreciation 3,796      
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 10,867      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,097      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,639      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 19,736      
Real Estate Accumulated Depreciation 6,942      
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 2,313      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,094      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,592      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,686      
Real Estate Accumulated Depreciation 4,660      
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 4,815      
Plainfield Plainfield Building 5 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 998      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,817      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,278      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 998      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,095      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,093      
Real Estate Accumulated Depreciation 2,820      
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 10,908      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,924      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,527      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,832      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 17,359      
Real Estate Accumulated Depreciation 6,589      
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 310      
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 310      
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 310      
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 51,152      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,866      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,692      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 53,018      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 59,710      
Real Estate Accumulated Depreciation 7,568      
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 22      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,053      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,023      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,076      
Real Estate Accumulated Depreciation 4,858      
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 3,879      
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 8,417      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,229      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,663      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,646      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,309      
Real Estate Accumulated Depreciation 3,720      
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 2,853      
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 2,007      
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 1,847      
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 2,998      
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 6,217      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 588      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,995      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,805      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,800      
Real Estate Accumulated Depreciation 2,593      
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 6,012      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 852      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,999      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,864      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,863      
Real Estate Accumulated Depreciation 2,476      
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 2,096      
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 4,050      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 209      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,194      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,259      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,453      
Real Estate Accumulated Depreciation 1,555      
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 2,306      
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 1,404      
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 3,646      
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 3,905      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,615      
Real Estate Accumulated Depreciation 1,421      
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 3,101      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 434      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,781      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,535      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,316      
Real Estate Accumulated Depreciation 1,350      
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 926      
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 1,634      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,098      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,201      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,299      
Real Estate Accumulated Depreciation 1,714      
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 4,872      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 888      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,250      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,760      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,010      
Real Estate Accumulated Depreciation 3,511      
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 1,661      
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 63      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,250      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,767      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,017      
Real Estate Accumulated Depreciation 3,590      
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 1,330      
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 6,115      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 370      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,300      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,485      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,785      
Real Estate Accumulated Depreciation 2,353      
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 2,239      
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 1,944      
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 5,030      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 852      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,688      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,882      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,570      
Real Estate Accumulated Depreciation 2,190      
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 3,146      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,323      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,856      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,469      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,325      
Real Estate Accumulated Depreciation 2,036      
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 266      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,988      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,633      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,621      
Real Estate Accumulated Depreciation 1,315      
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 913      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,136      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,320      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,456      
Real Estate Accumulated Depreciation 2,830      
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 5,798      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 967      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,696      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,765      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,461      
Real Estate Accumulated Depreciation 2,491      
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 2,846      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 405      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,635      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,251      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,886      
Real Estate Accumulated Depreciation 1,238      
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 1,992      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,006      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,500      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,998      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,498      
Real Estate Accumulated Depreciation 1,303      
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 2,301      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,438      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,322      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,760      
Real Estate Accumulated Depreciation 2,268      
Pompano Copans West 1731 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 3,511      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,889      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,511      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,889      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,400      
Real Estate Accumulated Depreciation 73      
Port Wentworth 100 Logistics Way [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 5,410      
Real Estate and Accumulated Depreciation, Initial Cost of Land 2,306      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 11,043      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,272      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,336      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,285      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,621      
Real Estate Accumulated Depreciation 4,950      
Port Wentworth 500 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,465      
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 224      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 649      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,066      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,715      
Real Estate Accumulated Depreciation 1,933      
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 13,186      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 795      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,636      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,981      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,617      
Real Estate Accumulated Depreciation 4,152      
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 6,852      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 76      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,615      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,928      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,543      
Real Estate Accumulated Depreciation 2,152      
Port Wentworth 405 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
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 125      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 535      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,317      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,852      
Real Estate Accumulated Depreciation 950      
Port Wentworth 600 Expansion Blvd [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
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 2,641      
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 3,014      
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 833      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 419      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,484      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,903      
Real Estate Accumulated Depreciation 1,113      
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 450      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 456      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,528      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,984      
Real Estate Accumulated Depreciation 1,163      
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 1,546      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 679      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,312      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,991      
Real Estate Accumulated Depreciation 1,811      
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 913      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 1,187      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,511      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 913      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,698      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,611      
Real Estate Accumulated Depreciation 1,037      
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 2,004      
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 1,921      
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 282      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,264      
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 11,349      
Real Estate Accumulated Depreciation 466      
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 18,770      
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 20,078      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 40,109      
Real Estate Accumulated Depreciation 7,264      
Richmond 2041 Factory Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,132      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 22,266      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,132      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 22,266      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 30,398      
Real Estate Accumulated Depreciation 681      
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 7,274      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,084      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,433      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,358      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,791      
Real Estate Accumulated Depreciation 5,855      
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 9,297      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,919      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,938      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,216      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,154      
Real Estate Accumulated Depreciation 4,665      
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 6,184      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 305      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,296      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,489      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 11,785      
Real Estate Accumulated Depreciation 6,264      
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 2,700      
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 1,212      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,985      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,645      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,630      
Real Estate Accumulated Depreciation 1,128      
Romeoville Airport Logistics Center I [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances      
Real Estate and Accumulated Depreciation, Initial Cost of Land 9,133      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 17,187      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 9,133      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 17,187      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 26,320      
Real Estate Accumulated Depreciation 309      
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 5,931      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,429      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,655      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,360      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,015      
Real Estate Accumulated Depreciation 2,792      
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 1,853      
San Leandro 1919 Williams Street [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 27,739      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 2,038      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 27,739      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,038      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 29,777      
Real Estate Accumulated Depreciation 0      
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 3,650      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 975      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 549      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,625      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,174      
Real Estate Accumulated Depreciation 1,484      
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 2,359      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 244      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 412      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,603      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,015      
Real Estate Accumulated Depreciation 941      
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 4,134      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 372      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 689      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,506      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,195      
Real Estate Accumulated Depreciation 1,671      
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 2,844      
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 1,198      
Savannah 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 1,731      
Savannah 246 Grange Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 2,901      
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 734      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,124      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,220      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,344      
Real Estate Accumulated Depreciation 2,792      
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 62      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,433      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,808      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,241      
Real Estate Accumulated Depreciation 5,707      
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 755      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 916      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,922      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,838      
Real Estate Accumulated Depreciation 2,976      
Savannah 175 Portside Court [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 6,137      
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 2,673      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,782      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 14,535      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,317      
Real Estate Accumulated Depreciation 6,374      
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 1,340      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,147      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,468      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,615      
Real Estate Accumulated Depreciation 3,211      
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 6,424      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 717      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,074      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,141      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,215      
Real Estate Accumulated Depreciation 2,638      
Savannah 246 Jimmy Deloach Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 1,763      
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 85      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 936      
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 5,955      
Real Estate Accumulated Depreciation 1,903      
Savannah 200 Logistics Way [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 3,808      
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 365      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 883      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,634      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,517      
Real Estate Accumulated Depreciation 3,009      
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 6,040      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,411      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,914      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,929      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,843      
Real Estate Accumulated Depreciation 2,925      
Savannah 276 Jimmy Deloach Parkway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,772      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 6,405      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,772      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,405      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,177      
Real Estate Accumulated Depreciation 135      
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 191      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,629      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 13,475      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,104      
Real Estate Accumulated Depreciation 6,154      
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 157      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 5,116      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,820      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 12,936      
Real Estate Accumulated Depreciation 2,107      
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 2,081      
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 6      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,648      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 11,904      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 14,552      
Real Estate Accumulated Depreciation 1,814      
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 16,716      
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 16,716      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,989      
Real Estate Accumulated Depreciation 2,173      
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 3,573      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 408      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,278      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,686      
Real Estate Accumulated Depreciation 2,814      
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 2,309      
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 4,017      
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 1,670      
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 719      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 4,563      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 10,524      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,087      
Real Estate Accumulated Depreciation 1,484      
St. Peters Premier 370 Bus Park 4000 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 15,773      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 72,935      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 15,773      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 72,935      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 88,708      
Real Estate Accumulated Depreciation 2,795      
St. Peters Premier 370 Bus Park 1001 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 6,362      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 12,408      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 6,362      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 12,408      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 18,770      
Real Estate Accumulated Depreciation 622      
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 2,656      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 3,393      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,502      
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 9,551      
Real Estate Accumulated Depreciation 3,324      
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 1,804      
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 15      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 773      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,972      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 2,745      
Real Estate Accumulated Depreciation 642      
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 3,874      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 176      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,544      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,050      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,594      
Real Estate Accumulated Depreciation 1,306      
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 592      
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 4,182      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 16      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,753      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,198      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,951      
Real Estate Accumulated Depreciation 1,374      
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 124      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,228      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,535      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,763      
Real Estate Accumulated Depreciation 1,127      
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 1,251      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,973      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,786      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,759      
Real Estate Accumulated Depreciation 2,583      
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 5,018      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 299      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,068      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,317      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,385      
Real Estate Accumulated Depreciation 1,761      
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 374      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 7,685      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,087      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 13,772      
Real Estate Accumulated Depreciation 2,183      
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 1,631      
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 2,783      
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 10      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,311      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,932      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,243      
Real Estate Accumulated Depreciation 1,687      
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 1,585      
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 5,914      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 501      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 16,032      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,415      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 22,447      
Real Estate Accumulated Depreciation 5,547      
Sumner 4800 E Valley Highway [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 12,567      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 21,838      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 12,567      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 21,838      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 34,405      
Real Estate Accumulated Depreciation 1,086      
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 292      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 180      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,461      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 1,641      
Real Estate Accumulated Depreciation 491      
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 706      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 457      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,762      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,219      
Real Estate Accumulated Depreciation 997      
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 1,180      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,625      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,534      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,159      
Real Estate Accumulated Depreciation 3,087      
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 942      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 956      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,383      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,339      
Real Estate Accumulated Depreciation 1,566      
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 2,159      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,143      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,883      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,026      
Real Estate Accumulated Depreciation 2,361      
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 2,545      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,851      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 723      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,396      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,119      
Real Estate Accumulated Depreciation 1,772      
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 2,262      
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 3,612      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 628      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 756      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,240      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,996      
Real Estate Accumulated Depreciation 1,931      
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 2,359      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,017      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 487      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,372      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,859      
Real Estate Accumulated Depreciation 1,418      
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 4,624      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 954      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 534      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,574      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,108      
Real Estate Accumulated Depreciation 2,814      
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 1,527      
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 1,185      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 2,235      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 604      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,416      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,020      
Real Estate Accumulated Depreciation 1,662      
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 1,136      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 488      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,561      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 4,049      
Real Estate Accumulated Depreciation 1,482      
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 3,348      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,239      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 555      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,587      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,142      
Real Estate Accumulated Depreciation 2,177      
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 1,350      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 1,595      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 394      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 2,945      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,339      
Real Estate Accumulated Depreciation 1,284      
Tampa Fairfield Distrib. Ctr. VIII [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 444      
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 444      
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 2,963      
Real Estate Accumulated Depreciation 995      
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 2,708      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 3,705      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 5,039      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,744      
Real Estate Accumulated Depreciation 3,968      
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 1,895      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,354      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 3,556      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 5,910      
Real Estate Accumulated Depreciation 2,526      
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 3,255      
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 2,584      
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 11,613      
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 4,709      
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 557      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 5,923      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 481      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 557      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,404      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,961      
Real Estate Accumulated Depreciation 2,407      
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 5,951      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 398      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,125      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,349      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,474      
Real Estate Accumulated Depreciation 2,212      
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 725      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,219      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,926      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,145      
Real Estate Accumulated Depreciation 2,356      
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 2,755      
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 1,347      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,160      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,332      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 8,492      
Real Estate Accumulated Depreciation 2,678      
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 5,783      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 966      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,189      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,749      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 7,938      
Real Estate Accumulated Depreciation 2,501      
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 260      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,635      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 1,988      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 3,623      
Real Estate Accumulated Depreciation 787      
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 853      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,320      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,326      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,646      
Real Estate Accumulated Depreciation 1,527      
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 750      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,437      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 6,601      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 9,038      
Real Estate Accumulated Depreciation 2,381      
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 383      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,706      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 4,836      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 6,542      
Real Estate Accumulated Depreciation 1,821      
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 4,176      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 773      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 1,500      
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 6,449      
Real Estate Accumulated Depreciation 1,628      
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 46      
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 44      
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 1,787      
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 1,527      
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 2,786      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 10,607      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 9,898      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 20,505      
Real Estate Accumulated Depreciation 1,572      
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 282      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,576      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,788      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 16,364      
Real Estate Accumulated Depreciation 671      
West Palm Beach Turnpike Crossing 6711 [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 8,328      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 7,386      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 8,328      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 7,386      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 15,714      
Real Estate Accumulated Depreciation 132      
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 1,008      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 2,127      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 8,536      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 10,663      
Real Estate Accumulated Depreciation 3,726      
Wind Gap 1380 Jacobsburg Road [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 15,500      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 25,247      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 15,500      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 25,247      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 40,747      
Real Estate Accumulated Depreciation 1,446      
Wood-Ridge 5 Ethel Boulevard [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Real Estate and Accumulated Depreciation, Initial Cost of Land 18,776      
Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements 18,089      
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Improvements 0      
Real Estate and Accumulated Depreciation, Carrying Amount of Land 18,776      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements 18,089      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements 36,865      
Real Estate Accumulated Depreciation 633      
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 5,121      
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 (23)      
Real Estate and Accumulated Depreciation, Carrying Amount of Land (20)      
Real Estate and Accumulated Depreciation, Carrying Amount of Buildings and Improvements (3)      
Real Estate and Accumulated Depreciation, Carrying Amount of Land and Buildings and Improvements (23)      
Real Estate Accumulated Depreciation $ (14)      
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