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Schedule III (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 4,865,103 $ 4,915,858 $ 4,271,966 $ 5,173,754 $ 4,865,103 $ 4,915,858
SEC Schedule III, Real Estate Accumulated Depreciation 1,134,103 1,138,378 1,024,936 1,211,728 1,134,103 1,138,378
SEC Schedule III, Real Estate, Federal Income Tax Basis       4,800,000    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 4,865,103 4,915,858 4,271,966 5,173,754 4,865,103 4,915,858
Development in process exclusive of land included in Schedule III       88,452 279,602 194,050
Real estate assets, net, held for sale       (22,543) 0 (340,581)
Total real estate assets       5,239,663 5,144,705 4,769,327
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,134,103 1,138,378 1,024,936 1,211,728 1,134,103 1,138,378
Real estate assets, net, held for sale       (9,304) 0 (131,274)
Total accumulated depreciation       1,202,424 $ 1,134,103 $ 1,007,104
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, beginning balance 4,865,103 4,915,858 4,271,966      
Acquisitions, development and improvements 486,755 353,236 708,793      
Cost of real estate sold and retired (178,104) (403,991) (64,901)      
Real estate assets, ending balance 5,173,754 4,865,103 4,915,858      
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, beginning balance 1,134,103 1,138,378 1,024,936      
Depreciation expense 184,385 173,072 168,663      
Real estate sold and retired (106,760) (177,347) (55,221)      
Accumulated depreciation, ending balance 1,211,728 $ 1,134,103 $ 1,138,378      
Atlanta, GA - 1700 Century Circle [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       2,482    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       2    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,546    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       4,028    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 4,030     4,030    
SEC Schedule III, Real Estate Accumulated Depreciation 1,372     1,372    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 4,030     4,030    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,372     1,372    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 4,030          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,372          
Atlanta, GA - 1700 Century Circle [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 1700 Century Circle [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 1800 Century Boulevard [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,444    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       29,081    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       10,284    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,444    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       39,365    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 40,809     40,809    
SEC Schedule III, Real Estate Accumulated Depreciation 20,376     20,376    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 40,809     40,809    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 20,376     20,376    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 40,809          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 20,376          
Atlanta, GA - 1800 Century Boulevard [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 1800 Century Boulevard [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 1825 Century Center [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       864    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       303    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       13,971    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,167    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,971    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 15,138     15,138    
SEC Schedule III, Real Estate Accumulated Depreciation 5,367     5,367    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 15,138     15,138    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 5,367     5,367    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 15,138          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 5,367          
Atlanta, GA - 1825 Century Center [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 1825 Century Center [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 1875 Century Boulevard [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       8,924    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       8,388    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       17,312    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 17,312     17,312    
SEC Schedule III, Real Estate Accumulated Depreciation 6,083     6,083    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 17,312     17,312    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6,083     6,083    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 17,312          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 6,083          
Atlanta, GA - 1875 Century Boulevard [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 1875 Century Boulevard [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 1900 Century Boulevard [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       4,744    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       711    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       5,455    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 5,455     5,455    
SEC Schedule III, Real Estate Accumulated Depreciation 4,872     4,872    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 5,455     5,455    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,872     4,872    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 5,455          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,872          
Atlanta, GA - 1900 Century Boulevard [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 1900 Century Boulevard [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 2200 Century Parkway [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       14,432    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,956    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       21,388    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 21,388     21,388    
SEC Schedule III, Real Estate Accumulated Depreciation 10,078     10,078    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 21,388     21,388    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 10,078     10,078    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 21,388          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 10,078          
Atlanta, GA - 2200 Century Parkway [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 2200 Century Parkway [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 2400 Century Center [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       406    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       15,250    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       406    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       15,250    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 15,656     15,656    
SEC Schedule III, Real Estate Accumulated Depreciation 6,328     6,328    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 15,656     15,656    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6,328     6,328    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 15,656          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 6,328          
Atlanta, GA - 2400 Century Center [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 2400 Century Center [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 2500 Century Center [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       328    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       11,105    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       328    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       11,105    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 11,433     11,433    
SEC Schedule III, Real Estate Accumulated Depreciation 3,344     3,344    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 11,433     11,433    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,344     3,344    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 11,433          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,344          
Atlanta, GA - 2500 Century Center [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 2500 Century Center [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 2500/2635 Parking Garage [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,439    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,439    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 6,439     6,439    
SEC Schedule III, Real Estate Accumulated Depreciation 1,917     1,917    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 6,439     6,439    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,917     1,917    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 6,439          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,917          
Atlanta, GA - 2500/2635 Parking Garage [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 2500/2635 Parking Garage [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 2600 Century Parkway [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       10,679    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,962    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,641    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 13,641     13,641    
SEC Schedule III, Real Estate Accumulated Depreciation 6,943     6,943    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,641     13,641    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6,943     6,943    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,641          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 6,943          
Atlanta, GA - 2600 Century Parkway [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 2600 Century Parkway [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 2635 Century Parkway [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       21,643    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       5,343    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       26,986    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 26,986     26,986    
SEC Schedule III, Real Estate Accumulated Depreciation 13,052     13,052    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 26,986     26,986    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 13,052     13,052    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 26,986          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 13,052          
Atlanta, GA - 2635 Century Parkway [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 2635 Century Parkway [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 2800 Century Parkway [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       20,449    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       12,881    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       33,330    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 33,330     33,330    
SEC Schedule III, Real Estate Accumulated Depreciation 16,521     16,521    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 33,330     33,330    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 16,521     16,521    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 33,330          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 16,521          
Atlanta, GA - 2800 Century Parkway [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 2800 Century Parkway [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 50 Glenlake [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,500    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       20,006    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,253    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,500    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       24,259    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 26,759     26,759    
SEC Schedule III, Real Estate Accumulated Depreciation 11,971     11,971    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 26,759     26,759    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 11,971     11,971    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 26,759          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 11,971          
Atlanta, GA - 50 Glenlake [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 50 Glenlake [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - Century Plaza I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,290    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       8,567    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,648    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,290    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,215    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 14,505     14,505    
SEC Schedule III, Real Estate Accumulated Depreciation 5,759     5,759    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 14,505     14,505    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 5,759     5,759    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 14,505          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 5,759          
Atlanta, GA - Century Plaza I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - Century Plaza I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - Century Plaza II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,380    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       7,733    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,444    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,380    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       11,177    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 12,557     12,557    
SEC Schedule III, Real Estate Accumulated Depreciation 4,892     4,892    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 12,557     12,557    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,892     4,892    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 12,557          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,892          
Atlanta, GA - Century Plaza II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - Century Plaza II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - Federal Aviation Administration [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,196    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       1,416    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       15,156    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,612    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       15,156    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 17,768     17,768    
SEC Schedule III, Real Estate Accumulated Depreciation 5,173     5,173    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 17,768     17,768    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 5,173     5,173    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 17,768          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 5,173          
Atlanta, GA - Federal Aviation Administration [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - Federal Aviation Administration [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - Henry County Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,010    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (284)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,726    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,726     2,726    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,726     2,726    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,726          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Atlanta, GA - 5405 Windward Parkway [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,342    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       32,111    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       19,349    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,342    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       51,460    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 54,802     54,802    
SEC Schedule III, Real Estate Accumulated Depreciation 19,971     19,971    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 54,802     54,802    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 19,971     19,971    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 54,802          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 19,971          
Atlanta, GA - 5405 Windward Parkway [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 5405 Windward Parkway [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - River Point Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       7,250    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       3,913    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,543    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       11,163    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,543    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 13,706     13,706    
SEC Schedule III, Real Estate Accumulated Depreciation 513     513    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,706     13,706    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 513     513    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,706          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 513          
Atlanta, GA - River Point Land [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - River Point Land [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - Riverwood 100 [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       5,785    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       64,913    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (29)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       14,543    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       5,756    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       79,456    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 85,212     85,212    
SEC Schedule III, Real Estate Accumulated Depreciation 16,534     16,534    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 85,212     85,212    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 16,534     16,534    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 85,212          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 16,534          
Atlanta, GA - Riverwood 100 [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - Riverwood 100 [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - South Park Residential Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       50    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       5    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       55    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 55     55    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 55     55    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 55          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Atlanta, GA - South Park Site Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,204    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       715    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,919    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 1,919     1,919    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,919     1,919    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,919          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Atlanta, GA - Tradeport Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       5,243    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (4,819)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       424    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 424     424    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 424     424    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 424          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Atlanta, GA - Two Point Royal [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,793    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       14,964    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,653    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,793    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       18,617    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 20,410     20,410    
SEC Schedule III, Real Estate Accumulated Depreciation 9,347     9,347    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 20,410     20,410    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 9,347     9,347    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 20,410          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 9,347          
Atlanta, GA - Two Point Royal [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - Two Point Royal [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - Two Alliance Center [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       9,579    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       125,549    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,948    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       9,579    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       128,497    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 138,076     138,076    
SEC Schedule III, Real Estate Accumulated Depreciation 24,936     24,936    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 138,076     138,076    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 24,936     24,936    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 138,076          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 24,936          
Atlanta, GA - Two Alliance Center [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - Two Alliance Center [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - One Alliance Center [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       14,775    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       123,071    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       12,027    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       14,775    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       135,098    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 149,873     149,873    
SEC Schedule III, Real Estate Accumulated Depreciation 18,871     18,871    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 149,873     149,873    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 18,871     18,871    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 149,873          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 18,871          
Atlanta, GA - One Alliance Center [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - One Alliance Center [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 10 Glenlake North [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       5,349    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       26,334    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,217    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       5,349    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       32,551    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 37,900     37,900    
SEC Schedule III, Real Estate Accumulated Depreciation 5,613     5,613    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 37,900     37,900    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 5,613     5,613    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 37,900          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 5,613          
Atlanta, GA - 10 Glenlake North [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 10 Glenlake North [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - 10 Glenlake South [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       5,103    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       22,811    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,545    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       5,103    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       26,356    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 31,459     31,459    
SEC Schedule III, Real Estate Accumulated Depreciation 4,813     4,813    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 31,459     31,459    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,813     4,813    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 31,459          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,813          
Atlanta, GA - 10 Glenlake South [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - 10 Glenlake South [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - Riverwood 200 [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       4,777    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       89,708    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       4,777    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       89,708    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 94,485     94,485    
SEC Schedule III, Real Estate Accumulated Depreciation 1,913     1,913    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 94,485     94,485    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,913     1,913    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 94,485          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,913          
Atlanta, GA - Riverwood 200 [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - Riverwood 200 [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - Riverwood 300 Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       400    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       710    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       400    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       710    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,110     1,110    
SEC Schedule III, Real Estate Accumulated Depreciation 16     16    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,110     1,110    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 16     16    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,110          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 16          
Atlanta, GA - Monarch Tower [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       22,717    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       143,068    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,317    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       22,717    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       149,385    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 172,102     172,102    
SEC Schedule III, Real Estate Accumulated Depreciation 11,155     11,155    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 172,102     172,102    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 11,155     11,155    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 172,102          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 11,155          
Atlanta, GA - Monarch Tower [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - Monarch Tower [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Atlanta, GA - Monarch Plaza [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       27,678    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       88,962    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,079    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       27,678    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       93,041    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 120,719     120,719    
SEC Schedule III, Real Estate Accumulated Depreciation 7,400     7,400    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 120,719     120,719    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 7,400     7,400    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 120,719          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 7,400          
Atlanta, GA - Monarch Plaza [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Atlanta, GA - Monarch Plaza [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Memphis, TN - Triad Centre I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,340    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       11,385    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (849)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,448    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,491    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       15,833    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 17,324     17,324    
SEC Schedule III, Real Estate Accumulated Depreciation 7,369     7,369    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 17,324     17,324    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 7,369     7,369    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 17,324          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 7,369          
Memphis, TN - Triad Centre I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Memphis, TN - Triad Centre I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Memphis, TN - Triad Centre II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,980    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       8,677    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (404)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       5,049    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,576    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,726    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 15,302     15,302    
SEC Schedule III, Real Estate Accumulated Depreciation 6,010     6,010    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 15,302     15,302    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6,010     6,010    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 15,302          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 6,010          
Memphis, TN - Triad Centre II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Memphis, TN - Triad Centre II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Memphis, TN - Atrium I & II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,570    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       6,253    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,778    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,570    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       10,031    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 11,601     11,601    
SEC Schedule III, Real Estate Accumulated Depreciation 4,925     4,925    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 11,601     11,601    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,925     4,925    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 11,601          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,925          
Memphis, TN - Atrium I & II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Memphis, TN - Atrium I & II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Memphis, TN - Centrum [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,013    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       5,580    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,236    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,013    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,816    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 9,829     9,829    
SEC Schedule III, Real Estate Accumulated Depreciation 4,463     4,463    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 9,829     9,829    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,463     4,463    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 9,829          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,463          
Memphis, TN - Centrum [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Memphis, TN - Centrum [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Memphis, TN - Comcast [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       946    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       8,620    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       946    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,620    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 9,566     9,566    
SEC Schedule III, Real Estate Accumulated Depreciation 3,857     3,857    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 9,566     9,566    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,857     3,857    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 9,566          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,857          
Memphis, TN - Comcast [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Memphis, TN - Comcast [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Memphis, TN - International Place Phase II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       4,884    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       27,782    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,105    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       4,884    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       33,887    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 38,771     38,771    
SEC Schedule III, Real Estate Accumulated Depreciation 17,170     17,170    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 38,771     38,771    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 17,170     17,170    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 38,771          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 17,170          
Memphis, TN - International Place Phase II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Memphis, TN - International Place Phase II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Memphis, TN - PennMarc Centre [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,607    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       10,240    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,690    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,607    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       14,930    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 18,537     18,537    
SEC Schedule III, Real Estate Accumulated Depreciation 4,276     4,276    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 18,537     18,537    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,276     4,276    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 18,537          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,276          
Memphis, TN - PennMarc Centre [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Memphis, TN - PennMarc Centre [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Memphis, TN - Colonnade [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,300    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       6,481    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       267    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,194    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,567    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,675    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 10,242     10,242    
SEC Schedule III, Real Estate Accumulated Depreciation 4,073     4,073    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 10,242     10,242    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,073     4,073    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 10,242          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,073          
Memphis, TN - Colonnade [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Memphis, TN - Colonnade [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Memphis, TN - Crescent Center [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       7,875    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       32,756    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (547)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       10,298    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       7,328    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       43,054    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 50,382     50,382    
SEC Schedule III, Real Estate Accumulated Depreciation 10,618     10,618    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 50,382     50,382    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 10,618     10,618    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 50,382          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 10,618          
Memphis, TN - Crescent Center [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Memphis, TN - Crescent Center [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Memphis, TN - Southwind Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,662    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (2,475)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,187    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,187     1,187    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,187     1,187    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,187          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Memphis, TN - Triad Center III [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,253    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       36,191    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,253    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       36,191    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 37,444     37,444    
SEC Schedule III, Real Estate Accumulated Depreciation 9,614     9,614    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 37,444     37,444    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 9,614     9,614    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 37,444          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 9,614          
Memphis, TN - Triad Center III [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Memphis, TN - Triad Center III [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Memphis, TN - Capital Grille [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       311    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       3,258    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       311    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,260    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,571     3,571    
SEC Schedule III, Real Estate Accumulated Depreciation 1,035     1,035    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,571     3,571    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,035     1,035    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,571          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,035          
Memphis, TN - Capital Grille [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Memphis, TN - Capital Grille [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Memphis, TN - Seasons 52 [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       320    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       3,741    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       (39)    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       320    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,702    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 4,022     4,022    
SEC Schedule III, Real Estate Accumulated Depreciation 1,135     1,135    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 4,022     4,022    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,135     1,135    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 4,022          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,135          
Memphis, TN - Seasons 52 [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Memphis, TN - Seasons 52 [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Memphis, TN - International Place IV [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       4,940    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       49,141    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       (262)    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       4,940    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       48,879    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 53,819     53,819    
SEC Schedule III, Real Estate Accumulated Depreciation 3,562     3,562    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 53,819     53,819    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,562     3,562    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 53,819          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,562          
Memphis, TN - International Place IV [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Memphis, TN - International Place IV [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - 3322 West End [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,025    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       27,490    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       9,014    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,025    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       36,504    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 39,529     39,529    
SEC Schedule III, Real Estate Accumulated Depreciation 14,562     14,562    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 39,529     39,529    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 14,562     14,562    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 39,529          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 14,562          
Nashville, TN - 3322 West End [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - 3322 West End [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - 3401 West End [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       5,862    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       22,917    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,489    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       5,862    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       27,406    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 33,268     33,268    
SEC Schedule III, Real Estate Accumulated Depreciation 14,927     14,927    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 33,268     33,268    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 14,927     14,927    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 33,268          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 14,927          
Nashville, TN - 3401 West End [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - 3401 West End [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - 5310 Maryland Way [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,863    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       7,201    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,681    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,863    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       10,882    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 12,745     12,745    
SEC Schedule III, Real Estate Accumulated Depreciation 5,067     5,067    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 12,745     12,745    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 5,067     5,067    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 12,745          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 5,067          
Nashville, TN - 5310 Maryland Way [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - 5310 Maryland Way [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Cool Springs 1 & 2 Deck [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,989    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,989    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,989     3,989    
SEC Schedule III, Real Estate Accumulated Depreciation 1,011     1,011    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,989     3,989    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,011     1,011    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,989          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,011          
Nashville, TN - Cool Springs 1 & 2 Deck [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Cool Springs 1 & 2 Deck [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Cool Springs 3 &4 Deck [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,461    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       4,461    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 4,461     4,461    
SEC Schedule III, Real Estate Accumulated Depreciation 1,195     1,195    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 4,461     4,461    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,195     1,195    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 4,461          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,195          
Nashville, TN - Cool Springs 3 &4 Deck [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Cool Springs 3 &4 Deck [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Cool Springs I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,583    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       15    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       13,886    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,598    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,886    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 15,484     15,484    
SEC Schedule III, Real Estate Accumulated Depreciation 6,423     6,423    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 15,484     15,484    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6,423     6,423    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 15,484          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 6,423          
Nashville, TN - Cool Springs I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Cool Springs I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Cool Springs II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,824    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       346    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       18,714    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,170    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       18,714    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 20,884     20,884    
SEC Schedule III, Real Estate Accumulated Depreciation 7,578     7,578    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 20,884     20,884    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 7,578     7,578    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 20,884          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 7,578          
Nashville, TN - Cool Springs II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Cool Springs II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Cool Springs III [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,631    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       804    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       15,408    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,435    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       15,408    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 17,843     17,843    
SEC Schedule III, Real Estate Accumulated Depreciation 4,554     4,554    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 17,843     17,843    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,554     4,554    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 17,843          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,554          
Nashville, TN - Cool Springs III [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Cool Springs III [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Cool Springs IV [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,715    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       19,143    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,715    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       19,143    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 20,858     20,858    
SEC Schedule III, Real Estate Accumulated Depreciation 4,870     4,870    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 20,858     20,858    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,870     4,870    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 20,858          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,870          
Nashville, TN - Cool Springs IV [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Cool Springs IV [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Cool Springs V Healthways [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,688    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       295    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       53,000    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,983    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       53,000    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 56,983     56,983    
SEC Schedule III, Real Estate Accumulated Depreciation 17,596     17,596    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 56,983     56,983    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 17,596     17,596    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 56,983          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 17,596          
Nashville, TN - Cool Springs V Healthways [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Cool Springs V Healthways [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Harpeth on the Green II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,419    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       5,677    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,750    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,419    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,427    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 9,846     9,846    
SEC Schedule III, Real Estate Accumulated Depreciation 4,335     4,335    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 9,846     9,846    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,335     4,335    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 9,846          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,335          
Nashville, TN - Harpeth on the Green II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Harpeth on the Green II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Harpeth on the Green III [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,660    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       6,649    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,921    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,660    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       9,570    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 11,230     11,230    
SEC Schedule III, Real Estate Accumulated Depreciation 4,777     4,777    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 11,230     11,230    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,777     4,777    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 11,230          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,777          
Nashville, TN - Harpeth on the Green III [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Harpeth on the Green III [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Harpeth on the Green IV [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,713    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       6,842    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,436    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,713    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       9,278    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 10,991     10,991    
SEC Schedule III, Real Estate Accumulated Depreciation 4,648     4,648    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 10,991     10,991    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,648     4,648    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 10,991          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,648          
Nashville, TN - Harpeth on the Green IV [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Harpeth on the Green IV [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Harpeth on The Green V [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       662    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       197    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       5,588    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       859    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       5,588    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 6,447     6,447    
SEC Schedule III, Real Estate Accumulated Depreciation 2,824     2,824    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 6,447     6,447    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,824     2,824    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 6,447          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,824          
Nashville, TN - Harpeth on The Green V [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Harpeth on The Green V [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Hickory Trace [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,164    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       164    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,775    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,328    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       4,775    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 6,103     6,103    
SEC Schedule III, Real Estate Accumulated Depreciation 1,812     1,812    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 6,103     6,103    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,812     1,812    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 6,103          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,812          
Nashville, TN - Hickory Trace [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Hickory Trace [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Highwoods Plaza I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,552    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       307    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       8,928    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,859    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,928    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 10,787     10,787    
SEC Schedule III, Real Estate Accumulated Depreciation 4,610     4,610    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 10,787     10,787    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,610     4,610    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 10,787          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,610          
Nashville, TN - Highwoods Plaza I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Highwoods Plaza I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Highwoods Plaza II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,448    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       307    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       8,833    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,755    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,833    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 10,588     10,588    
SEC Schedule III, Real Estate Accumulated Depreciation 3,784     3,784    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 10,588     10,588    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,784     3,784    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 10,588          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,784          
Nashville, TN - Highwoods Plaza II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Highwoods Plaza II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Seven Springs I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,076    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       592    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       13,145    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,668    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,145    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 15,813     15,813    
SEC Schedule III, Real Estate Accumulated Depreciation 5,018     5,018    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 15,813     15,813    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 5,018     5,018    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 15,813          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 5,018          
Nashville, TN - Seven Springs I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Seven Springs I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - SouthPointe [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,655    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       310    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       7,827    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,965    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       7,827    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 9,792     9,792    
SEC Schedule III, Real Estate Accumulated Depreciation 3,640     3,640    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 9,792     9,792    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,640     3,640    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 9,792          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,640          
Nashville, TN - SouthPointe [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - SouthPointe [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - The Ramparts of Brentwood [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,394    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       12,806    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       7,343    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,394    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       20,149    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 22,543     22,543    
SEC Schedule III, Real Estate Accumulated Depreciation 6,468     6,468    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 22,543     22,543    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6,468     6,468    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 22,543          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 6,468          
Nashville, TN - The Ramparts of Brentwood [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - The Ramparts of Brentwood [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Westwood South [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,106    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       382    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       10,603    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,488    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       10,603    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 13,091     13,091    
SEC Schedule III, Real Estate Accumulated Depreciation 4,419     4,419    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,091     13,091    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,419     4,419    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,091          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,419          
Nashville, TN - Westwood South [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Westwood South [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - 100 Winners Circle [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,497    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       7,258    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,452    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,497    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       9,710    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 11,207     11,207    
SEC Schedule III, Real Estate Accumulated Depreciation 4,707     4,707    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 11,207     11,207    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,707     4,707    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 11,207          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,707          
Nashville, TN - 100 Winners Circle [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - 100 Winners Circle [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - The Pinnacle at Symphony Place [Member]            
Real Estate and Accumulated Depreciation [Line Items]            
Real Estate and Accumulated Depreciation, Encumbrances       98,981    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       141,469    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,160    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       147,629    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 147,629     147,629    
SEC Schedule III, Real Estate Accumulated Depreciation 23,127     23,127    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 147,629     147,629    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 23,127     23,127    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 147,629          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 23,127          
Nashville, TN - The Pinnacle at Symphony Place [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - The Pinnacle at Symphony Place [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Seven Springs East [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,525    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       37,587    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       123    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,525    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       37,710    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 40,235     40,235    
SEC Schedule III, Real Estate Accumulated Depreciation 4,913     4,913    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 40,235     40,235    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,913     4,913    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 40,235          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,913          
Nashville, TN - Seven Springs East [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Seven Springs East [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - The Shops at Seven Springs [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       803    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       8,223    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       526    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       803    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,749    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 9,552     9,552    
SEC Schedule III, Real Estate Accumulated Depreciation 1,441     1,441    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 9,552     9,552    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,441     1,441    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 9,552          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,441          
Nashville, TN - The Shops at Seven Springs [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - The Shops at Seven Springs [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Seven Springs West [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,439    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       51,306    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,287    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,439    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       52,593    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 55,032     55,032    
SEC Schedule III, Real Estate Accumulated Depreciation 2,508     2,508    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 55,032     55,032    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,508     2,508    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 55,032          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,508          
Nashville, TN - Seven Springs West [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Seven Springs West [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Seven Springs II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       2,356    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       30,048    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,356    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       30,048    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 32,404     32,404    
SEC Schedule III, Real Estate Accumulated Depreciation 675     675    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 32,404     32,404    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 675     675    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 32,404          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 675          
Nashville, TN - Seven Springs II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Seven Springs II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Nashville, TN - Bridgestone Americas [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       15,639    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       169,392    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       15,639    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       169,392    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 185,031     185,031    
SEC Schedule III, Real Estate Accumulated Depreciation 1,708     1,708    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 185,031     185,031    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,708     1,708    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 185,031          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,708          
Nashville, TN - Bridgestone Americas [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Nashville, TN - Bridgestone Americas [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Orlando, FL - Berkshire at MetroCenter [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,265    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       672    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       11,799    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,937    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       11,799    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 13,736     13,736    
SEC Schedule III, Real Estate Accumulated Depreciation 3,838     3,838    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,736     13,736    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,838     3,838    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,736          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,838          
Orlando, FL - Berkshire at MetroCenter [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Orlando, FL - Berkshire at MetroCenter [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Orlando, FL - Capital Plaza Three Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,994    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       18    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,012    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,012     3,012    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,012     3,012    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,012          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Orlando, FL - Eola Park Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,027    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,027    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 2,027     2,027    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,027     2,027    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,027          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Orlando, FL - Oxford Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,100    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       51    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       458    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,151    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       458    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 1,609     1,609    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,609     1,609    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,609          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Orlando, FL - Stratford Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,034    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (148)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,886    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 1,886     1,886    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,886     1,886    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,886          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Orlando, FL - Windsor at Metro Center [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       2,060    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       9,552    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,060    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       9,552    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 11,612     11,612    
SEC Schedule III, Real Estate Accumulated Depreciation 3,310     3,310    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 11,612     11,612    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,310     3,310    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 11,612          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,310          
Orlando, FL - Windsor at Metro Center [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Orlando, FL - Windsor at Metro Center [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
South Florida - The 1800 Eller Drive Building [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       9,851    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,267    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,118    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 13,118     13,118    
SEC Schedule III, Real Estate Accumulated Depreciation 7,822     7,822    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,118     13,118    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 7,822     7,822    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,118          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 7,822          
South Florida - The 1800 Eller Drive Building [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
South Florida - The 1800 Eller Drive Building [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Orlando - Seaside Plaza [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,893    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       29,541    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       5,550    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,893    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       35,091    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 38,984     38,984    
SEC Schedule III, Real Estate Accumulated Depreciation 5,494     5,494    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 38,984     38,984    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 5,494     5,494    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 38,984          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 5,494          
Orlando - Seaside Plaza [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Orlando - Seaside Plaza [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Orlando - Capital Plaza Two [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       4,346    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       43,394    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,849    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       4,346    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       48,243    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 52,589     52,589    
SEC Schedule III, Real Estate Accumulated Depreciation 6,991     6,991    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 52,589     52,589    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6,991     6,991    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 52,589          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 6,991          
Orlando - Capital Plaza Two [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Orlando - Capital Plaza Two [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Orlando - Capital Plaza One [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,482    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       27,321    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,714    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,482    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       32,035    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 35,517     35,517    
SEC Schedule III, Real Estate Accumulated Depreciation 4,080     4,080    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 35,517     35,517    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,080     4,080    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 35,517          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,080          
Orlando - Capital Plaza One [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Orlando - Capital Plaza One [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Orlando - Landmark Center Two [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       4,743    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       22,031    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       7,650    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       4,743    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       29,681    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 34,424     34,424    
SEC Schedule III, Real Estate Accumulated Depreciation 4,886     4,886    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 34,424     34,424    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,886     4,886    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 34,424          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,886          
Orlando - Landmark Center Two [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Orlando - Landmark Center Two [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Orlando - Landmark Center One [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       6,207    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       22,655    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       7,613    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       6,207    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       30,268    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 36,475     36,475    
SEC Schedule III, Real Estate Accumulated Depreciation 4,817     4,817    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 36,475     36,475    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,817     4,817    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 36,475          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,817          
Orlando - Landmark Center One [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Orlando - Landmark Center One [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Orlando - Lincoln Plaza [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,490    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       56,079    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       5,310    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,490    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       61,389    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 64,879     64,879    
SEC Schedule III, Real Estate Accumulated Depreciation 6,073     6,073    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 64,879     64,879    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6,073     6,073    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 64,879          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 6,073          
Orlando - Lincoln Plaza [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Orlando - Lincoln Plaza [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Orlando, FL - Eola [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,758    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       11,160    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,334    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,758    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       14,494    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 18,252     18,252    
SEC Schedule III, Real Estate Accumulated Depreciation 1,423     1,423    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 18,252     18,252    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,423     1,423    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 18,252          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,423          
Orlando, FL - Eola [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Orlando, FL - Eola [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 6348 Burnt Poplar [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       724    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       2,900    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       339    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       724    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,239    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,963     3,963    
SEC Schedule III, Real Estate Accumulated Depreciation 1,801     1,801    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,963     3,963    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,801     1,801    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,963          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,801          
Greensboro, NC - 6348 Burnt Poplar [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 6348 Burnt Poplar [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 6350 Burnt Poplar [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       341    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,374    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       784    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       341    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,158    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,499     2,499    
SEC Schedule III, Real Estate Accumulated Depreciation 975     975    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,499     2,499    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 975     975    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,499          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 975          
Greensboro, NC - 6350 Burnt Poplar [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 6350 Burnt Poplar [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 420 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       379    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,516    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       924    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       379    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,440    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,819     2,819    
SEC Schedule III, Real Estate Accumulated Depreciation 1,209     1,209    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,819     2,819    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,209     1,209    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,819          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,209          
Greensboro, NC - 420 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 420 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 418 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       462    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,849    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       638    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       462    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,487    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,949     2,949    
SEC Schedule III, Real Estate Accumulated Depreciation 1,392     1,392    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,949     2,949    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,392     1,392    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,949          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,392          
Greensboro, NC - 418 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 418 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 416 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       322    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,293    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       603    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       322    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       1,896    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,218     2,218    
SEC Schedule III, Real Estate Accumulated Depreciation 955     955    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,218     2,218    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 955     955    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,218          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 955          
Greensboro, NC - 416 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 416 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 7031 Albert Pick Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       510    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       2,921    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,465    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       510    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       5,386    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 5,896     5,896    
SEC Schedule III, Real Estate Accumulated Depreciation 2,856     2,856    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 5,896     5,896    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,856     2,856    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 5,896          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,856          
Greensboro, NC - 7031 Albert Pick Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 7031 Albert Pick Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 7029 Albert Pick Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       739    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       3,237    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,112    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       739    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       5,349    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 6,088     6,088    
SEC Schedule III, Real Estate Accumulated Depreciation 2,927     2,927    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 6,088     6,088    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,927     2,927    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 6,088          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,927          
Greensboro, NC - 7029 Albert Pick Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 7029 Albert Pick Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 7025 Albert Pick Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,393    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       9,576    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,190    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,393    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       15,766    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 18,159     18,159    
SEC Schedule III, Real Estate Accumulated Depreciation 7,857     7,857    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 18,159     18,159    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 7,857     7,857    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 18,159          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 7,857          
Greensboro, NC - 7025 Albert Pick Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 7025 Albert Pick Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 7027 Albert Pick Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       850    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       699    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       5,160    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,549    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       5,160    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 6,709     6,709    
SEC Schedule III, Real Estate Accumulated Depreciation 2,136     2,136    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 6,709     6,709    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,136     2,136    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 6,709          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,136          
Greensboro, NC - 7027 Albert Pick Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 7027 Albert Pick Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 7009 Albert Pick Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       224    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,068    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       270    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       224    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       1,338    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,562     1,562    
SEC Schedule III, Real Estate Accumulated Depreciation 712     712    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,562     1,562    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 712     712    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,562          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 712          
Greensboro, NC - 7009 Albert Pick Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 7009 Albert Pick Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 426 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       465    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       380    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,259    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       845    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       1,259    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,104     2,104    
SEC Schedule III, Real Estate Accumulated Depreciation 628     628    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,104     2,104    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 628     628    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,104          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 628          
Greensboro, NC - 426 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 426 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 422 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       145    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,081    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       382    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       145    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       1,463    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,608     1,608    
SEC Schedule III, Real Estate Accumulated Depreciation 856     856    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,608     1,608    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 856     856    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,608          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 856          
Greensboro, NC - 422 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 422 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 406 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       265    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       270    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,096    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       535    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       1,096    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,631     1,631    
SEC Schedule III, Real Estate Accumulated Depreciation 565     565    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,631     1,631    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 565     565    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,631          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 565          
Greensboro, NC - 406 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 406 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 7021 Albert Pick Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       237    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,103    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       279    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       237    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       1,382    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,619     1,619    
SEC Schedule III, Real Estate Accumulated Depreciation 766     766    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,619     1,619    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 766     766    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,619          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 766          
Greensboro, NC - 7021 Albert Pick Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 7021 Albert Pick Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 7019 Albert Pick Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       192    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       946    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       382    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       192    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       1,328    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,520     1,520    
SEC Schedule III, Real Estate Accumulated Depreciation 726     726    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,520     1,520    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 726     726    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,520          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 726          
Greensboro, NC - 7019 Albert Pick Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 7019 Albert Pick Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 7015 Albert Pick Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       305    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,219    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       268    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       305    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       1,487    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,792     1,792    
SEC Schedule III, Real Estate Accumulated Depreciation 840     840    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,792     1,792    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 840     840    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,792          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 840          
Greensboro, NC - 7015 Albert Pick Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 7015 Albert Pick Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 7017 Albert Pick Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       225    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       928    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       442    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       225    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       1,370    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,595     1,595    
SEC Schedule III, Real Estate Accumulated Depreciation 704     704    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,595     1,595    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 704     704    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,595          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 704          
Greensboro, NC - 7017 Albert Pick Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 7017 Albert Pick Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 7011 Albert Pick Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       171    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       777    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       358    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       171    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       1,135    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,306     1,306    
SEC Schedule III, Real Estate Accumulated Depreciation 628     628    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,306     1,306    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 628     628    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,306          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 628          
Greensboro, NC - 7011 Albert Pick Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 7011 Albert Pick Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 424 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       271    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       239    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       981    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       510    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       981    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,491     1,491    
SEC Schedule III, Real Estate Accumulated Depreciation 414     414    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,491     1,491    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 414     414    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,491          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 414          
Greensboro, NC - 424 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 424 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 410 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       356    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,613    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       877    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       356    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,490    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,846     2,846    
SEC Schedule III, Real Estate Accumulated Depreciation 1,319     1,319    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,846     2,846    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,319     1,319    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,846          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,319          
Greensboro, NC - 410 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 410 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 412 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       374    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,523    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       620    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       374    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,143    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,517     2,517    
SEC Schedule III, Real Estate Accumulated Depreciation 1,175     1,175    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,517     2,517    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,175     1,175    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,517          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,175          
Greensboro, NC - 412 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 412 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 408 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       341    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,486    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       966    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       341    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,452    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,793     2,793    
SEC Schedule III, Real Estate Accumulated Depreciation 1,324     1,324    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,793     2,793    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,324     1,324    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,793          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,324          
Greensboro, NC - 408 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 408 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 414 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       659    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       2,676    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       967    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       659    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,643    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 4,302     4,302    
SEC Schedule III, Real Estate Accumulated Depreciation 1,944     1,944    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 4,302     4,302    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,944     1,944    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 4,302          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,944          
Greensboro, NC - 414 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 414 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 237 Burgess Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       860    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       2,919    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,093    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       860    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       4,012    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 4,872     4,872    
SEC Schedule III, Real Estate Accumulated Depreciation 2,073     2,073    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 4,872     4,872    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,073     2,073    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 4,872          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,073          
Greensboro, NC - 237 Burgess Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 237 Burgess Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 235 Burgess Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,302    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       4,392    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,641    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,302    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,033    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,335     7,335    
SEC Schedule III, Real Estate Accumulated Depreciation 3,139     3,139    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,335     7,335    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,139     3,139    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,335          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,139          
Greensboro, NC - 235 Burgess Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 235 Burgess Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 241 Burgess Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       450    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,517    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,276    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       450    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,793    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,243     3,243    
SEC Schedule III, Real Estate Accumulated Depreciation 1,617     1,617    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,243     3,243    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,617     1,617    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,243          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,617          
Greensboro, NC - 241 Burgess Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 241 Burgess Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 243 Burgess Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       452    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,514    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       322    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       452    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       1,836    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,288     2,288    
SEC Schedule III, Real Estate Accumulated Depreciation 1,005     1,005    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,288     2,288    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,005     1,005    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,288          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,005          
Greensboro, NC - 243 Burgess Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 243 Burgess Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 496 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       546    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,342    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       546    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,342    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,888     3,888    
SEC Schedule III, Real Estate Accumulated Depreciation 1,568     1,568    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,888     3,888    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,568     1,568    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,888          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,568          
Greensboro, NC - 496 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 496 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 494 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       749    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,101    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       749    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,101    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,850     3,850    
SEC Schedule III, Real Estate Accumulated Depreciation 1,256     1,256    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,850     3,850    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,256     1,256    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,850          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,256          
Greensboro, NC - 494 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 494 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 486 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       603    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,281    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       603    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,281    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,884     3,884    
SEC Schedule III, Real Estate Accumulated Depreciation 1,207     1,207    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,884     3,884    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,207     1,207    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,884          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,207          
Greensboro, NC - 486 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 486 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 488 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       499    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,473    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       499    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,473    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,972     2,972    
SEC Schedule III, Real Estate Accumulated Depreciation 1,009     1,009    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,972     2,972    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,009     1,009    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,972          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,009          
Greensboro, NC - 488 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 488 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 490 Gallimore Dairy Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,733    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       5,997    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,733    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       5,997    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,730     7,730    
SEC Schedule III, Real Estate Accumulated Depreciation 3,441     3,441    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,730     7,730    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,441     3,441    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,730          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,441          
Greensboro, NC - 490 Gallimore Dairy Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 490 Gallimore Dairy Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - Brigham Road - Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       7,059    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (5,510)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,549    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,549     1,549    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,549     1,549    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,549          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Greensboro, NC - 651 Brigham Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       453    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       360    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,857    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       813    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,857    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 3,670     3,670    
SEC Schedule III, Real Estate Accumulated Depreciation 1,132     1,132    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,670     3,670    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,132     1,132    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,670          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,132          
Greensboro, NC - 651 Brigham Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 651 Brigham Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 657 Brigham Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,733    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       881    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       10,758    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,614    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       10,758    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 14,372     14,372    
SEC Schedule III, Real Estate Accumulated Depreciation 3,042     3,042    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 14,372     14,372    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,042     3,042    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 14,372          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,042          
Greensboro, NC - 657 Brigham Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 657 Brigham Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 653 Brigham Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       814    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,587    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       814    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,587    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 4,401     4,401    
SEC Schedule III, Real Estate Accumulated Depreciation 903     903    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 4,401     4,401    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 903     903    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 4,401          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 903          
Greensboro, NC - 653 Brigham Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 653 Brigham Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 1501 Highwoods Boulevard [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,476    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       8,565    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,476    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,565    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 10,041     10,041    
SEC Schedule III, Real Estate Accumulated Depreciation 3,182     3,182    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 10,041     10,041    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,182     3,182    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 10,041          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,182          
Greensboro, NC - 1501 Highwoods Boulevard [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 1501 Highwoods Boulevard [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - Jefferson Pilot Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       11,759    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (4,311)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       7,448    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,448     7,448    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,448     7,448    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,448          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Greensboro, NC - 4200 Tudor Lane [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       515    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       383    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,860    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       898    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,860    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 3,758     3,758    
SEC Schedule III, Real Estate Accumulated Depreciation 1,285     1,285    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,758     3,758    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,285     1,285    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,758          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,285          
Greensboro, NC - 4200 Tudor Lane [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 4200 Tudor Lane [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 4224 Tudor Lane [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       435    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       288    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,431    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       723    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,431    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,154     3,154    
SEC Schedule III, Real Estate Accumulated Depreciation 1,041     1,041    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,154     3,154    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,041     1,041    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,154          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,041          
Greensboro, NC - 4224 Tudor Lane [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 4224 Tudor Lane [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 7023 Albert Pick [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       834    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       3,459    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,189    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       834    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       4,648    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 5,482     5,482    
SEC Schedule III, Real Estate Accumulated Depreciation 2,398     2,398    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 5,482     5,482    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,398     2,398    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 5,482          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,398          
Greensboro, NC - 7023 Albert Pick [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 7023 Albert Pick [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 370 Knollwood Street [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,826    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       7,495    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,112    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,826    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       11,607    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 13,433     13,433    
SEC Schedule III, Real Estate Accumulated Depreciation 6,000     6,000    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,433     13,433    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6,000     6,000    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,433          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 6,000          
Greensboro, NC - 370 Knollwood Street [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 370 Knollwood Street [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 380 Knollwood Street [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,989    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       12,029    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,888    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,989    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       16,917    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 19,906     19,906    
SEC Schedule III, Real Estate Accumulated Depreciation 9,088     9,088    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 19,906     19,906    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 9,088     9,088    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 19,906          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 9,088          
Greensboro, NC - 380 Knollwood Street [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 380 Knollwood Street [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - Church Street Medical Center I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,734    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       9,129    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       803    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,734    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       9,932    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 12,666     12,666    
SEC Schedule III, Real Estate Accumulated Depreciation 1,446     1,446    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 12,666     12,666    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,446     1,446    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 12,666          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,446          
Greensboro, NC - Church Street Medical Center I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - Church Street Medical Center I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - Church Street Medical Center II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,376    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       5,451    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       (629)    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,376    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       4,822    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,198     7,198    
SEC Schedule III, Real Estate Accumulated Depreciation 667     667    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,198     7,198    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 667     667    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,198          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 667          
Greensboro, NC - Church Street Medical Center II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - Church Street Medical Center II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - Church Street Medical Center III [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       925    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       4,551    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       124    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       925    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       4,675    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 5,600     5,600    
SEC Schedule III, Real Estate Accumulated Depreciation 1,026     1,026    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 5,600     5,600    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,026     1,026    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 5,600          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,026          
Greensboro, NC - Church Street Medical Center III [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - Church Street Medical Center III [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 628 Green Valley [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,906    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       12,141    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       960    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,906    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,101    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 16,007     16,007    
SEC Schedule III, Real Estate Accumulated Depreciation 1,895     1,895    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 16,007     16,007    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,895     1,895    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 16,007          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,895          
Greensboro, NC - 628 Green Valley [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 628 Green Valley [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 701 Green Valley [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,787    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       7,719    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       900    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,787    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,619    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 12,406     12,406    
SEC Schedule III, Real Estate Accumulated Depreciation 1,511     1,511    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 12,406     12,406    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,511     1,511    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 12,406          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,511          
Greensboro, NC - 701 Green Valley [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 701 Green Valley [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 661 Brigham Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       890    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       5,512    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       117    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       890    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       5,629    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 6,519     6,519    
SEC Schedule III, Real Estate Accumulated Depreciation 246     246    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 6,519     6,519    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 246     246    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 6,519          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 246          
Greensboro, NC - 661 Brigham Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 661 Brigham Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Greensboro, NC - 655 Brigham Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       899    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,470    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       899    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,470    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,369     7,369    
SEC Schedule III, Real Estate Accumulated Depreciation 70     70    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,369     7,369    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 70     70    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,369          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 70          
Greensboro, NC - 655 Brigham Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Greensboro, NC - 655 Brigham Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Pittsburgh, PA - One PPG Place [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       9,819    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       107,643    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       42,053    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       9,819    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       149,696    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 159,515     159,515    
SEC Schedule III, Real Estate Accumulated Depreciation 32,647     32,647    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 159,515     159,515    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 32,647     32,647    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 159,515          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 32,647          
Pittsburgh, PA - One PPG Place [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Pittsburgh, PA - One PPG Place [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Pittsburgh, PA - Two PPG Place - Office [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,302    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       10,978    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       8,404    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,302    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       19,382    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 21,684     21,684    
SEC Schedule III, Real Estate Accumulated Depreciation 3,030     3,030    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 21,684     21,684    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,030     3,030    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 21,684          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,030          
Pittsburgh, PA - Two PPG Place - Office [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Pittsburgh, PA - Two PPG Place - Office [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Pittsburgh, PA - Three PPG Place [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       501    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       2,923    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,007    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       501    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,930    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,431     7,431    
SEC Schedule III, Real Estate Accumulated Depreciation 1,513     1,513    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,431     7,431    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,513     1,513    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,431          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,513          
Pittsburgh, PA - Three PPG Place [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Pittsburgh, PA - Three PPG Place [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Pittsburgh, PA - Four PPG Place [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       620    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       3,239    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,215    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       620    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,454    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,074     7,074    
SEC Schedule III, Real Estate Accumulated Depreciation 1,242     1,242    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,074     7,074    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,242     1,242    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,074          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,242          
Pittsburgh, PA - Four PPG Place [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Pittsburgh, PA - Four PPG Place [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Pittsburgh, PA - Five PPG Place [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       803    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       4,924    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,862    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       803    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,786    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,589     7,589    
SEC Schedule III, Real Estate Accumulated Depreciation 1,772     1,772    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,589     7,589    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,772     1,772    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,589          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,772          
Pittsburgh, PA - Five PPG Place [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Pittsburgh, PA - Five PPG Place [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Pittsburgh, PA - Six PPG Place [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,353    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       25,602    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       10,234    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,353    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       35,836    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 39,189     39,189    
SEC Schedule III, Real Estate Accumulated Depreciation 6,002     6,002    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 39,189     39,189    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6,002     6,002    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 39,189          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 6,002          
Pittsburgh, PA - Six PPG Place [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Pittsburgh, PA - Six PPG Place [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Pittsburgh, PA - EQT Plaza [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       83,812    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       16,457    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       11,785    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       16,457    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       95,597    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 112,054     112,054    
SEC Schedule III, Real Estate Accumulated Depreciation 18,005     18,005    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 112,054     112,054    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 18,005     18,005    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 112,054          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 18,005          
Pittsburgh, PA - EQT Plaza [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Pittsburgh, PA - EQT Plaza [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - 3600 Glenwood Avenue [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       10,994    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,800    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       15,794    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 15,794     15,794    
SEC Schedule III, Real Estate Accumulated Depreciation 8,378     8,378    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 15,794     15,794    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 8,378     8,378    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 15,794          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 8,378          
Raleigh, NC - 3600 Glenwood Avenue [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - 3600 Glenwood Avenue [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - 3737 Glenwood Avenue [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       318    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       16,525    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       318    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       16,525    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 16,843     16,843    
SEC Schedule III, Real Estate Accumulated Depreciation 7,169     7,169    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 16,843     16,843    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 7,169     7,169    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 16,843          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 7,169          
Raleigh, NC - 3737 Glenwood Avenue [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - 3737 Glenwood Avenue [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - 4800 North Park [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,678    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       17,630    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,169    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,678    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       23,799    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 26,477     26,477    
SEC Schedule III, Real Estate Accumulated Depreciation 14,640     14,640    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 26,477     26,477    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 14,640     14,640    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 26,477          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 14,640          
Raleigh, NC - 4800 North Park [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - 4800 North Park [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - 5000 North Park [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,010    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       4,612    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (49)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,218    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       961    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,830    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 9,791     9,791    
SEC Schedule III, Real Estate Accumulated Depreciation 4,861     4,861    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 9,791     9,791    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,861     4,861    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 9,791          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,861          
Raleigh, NC - 5000 North Park [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - 5000 North Park [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - 801 Raleigh Corporate Center [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       828    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       272    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       10,798    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,100    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       10,798    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 11,898     11,898    
SEC Schedule III, Real Estate Accumulated Depreciation 3,934     3,934    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 11,898     11,898    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,934     3,934    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 11,898          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,934          
Raleigh, NC - 801 Raleigh Corporate Center [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - 801 Raleigh Corporate Center [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Blue Ridge I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       722    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       4,606    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,818    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       722    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,424    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,146     7,146    
SEC Schedule III, Real Estate Accumulated Depreciation 3,596     3,596    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,146     7,146    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,596     3,596    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,146          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,596          
Raleigh, NC - Blue Ridge I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Blue Ridge I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Blue Ridge II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       462    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,410    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       871    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       462    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,281    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,743     2,743    
SEC Schedule III, Real Estate Accumulated Depreciation 1,447     1,447    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,743     2,743    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,447     1,447    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,743          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,447          
Raleigh, NC - Blue Ridge II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Blue Ridge II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Cape Fear [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       131    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,630    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (2)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,238    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       129    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,868    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,997     2,997    
SEC Schedule III, Real Estate Accumulated Depreciation 2,404     2,404    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,997     2,997    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,404     2,404    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,997          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,404          
Raleigh, NC - Cape Fear [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Cape Fear [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Catawba [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       125    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,635    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (2)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,258    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       123    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,893    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,016     3,016    
SEC Schedule III, Real Estate Accumulated Depreciation 2,719     2,719    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,016     3,016    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,719     2,719    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,016          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,719          
Raleigh, NC - Catawba [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Catawba [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - CentreGreen One [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,529    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (391)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       10,724    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,138    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       10,724    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 11,862     11,862    
SEC Schedule III, Real Estate Accumulated Depreciation 5,149     5,149    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 11,862     11,862    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 5,149     5,149    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 11,862          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 5,149          
Raleigh, NC - CentreGreen One [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - CentreGreen One [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - CentreGreen Two [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,653    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (389)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       10,344    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,264    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       10,344    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 11,608     11,608    
SEC Schedule III, Real Estate Accumulated Depreciation 3,944     3,944    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 11,608     11,608    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,944     3,944    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 11,608          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,944          
Raleigh, NC - CentreGreen Two [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - CentreGreen Two [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - CentreGreen Three [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       1,291    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       31,860    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,291    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       31,860    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 33,151     33,151    
SEC Schedule III, Real Estate Accumulated Depreciation 374     374    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 33,151     33,151    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 374     374    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 33,151          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 374          
Raleigh, NC - CentreGreen Three [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - CentreGreen Three [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - CentreGreen Four [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,779    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (397)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       13,850    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,382    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,850    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 15,232     15,232    
SEC Schedule III, Real Estate Accumulated Depreciation 3,680     3,680    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 15,232     15,232    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,680     3,680    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 15,232          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,680          
Raleigh, NC - CentreGreen Four [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - CentreGreen Four [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - CentreGreen Five [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,280    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       55    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       12,693    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,335    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       12,693    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 14,028     14,028    
SEC Schedule III, Real Estate Accumulated Depreciation 4,368     4,368    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 14,028     14,028    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,368     4,368    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 14,028          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,368          
Raleigh, NC - CentreGreen Five [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - CentreGreen Five [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Cottonwood [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       609    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       3,244    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       615    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       609    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,859    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 4,468     4,468    
SEC Schedule III, Real Estate Accumulated Depreciation 2,295     2,295    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 4,468     4,468    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,295     2,295    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 4,468          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,295          
Raleigh, NC - Cottonwood [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Cottonwood [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Dogwood [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       766    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       2,769    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       241    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       766    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,010    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,776     3,776    
SEC Schedule III, Real Estate Accumulated Depreciation 1,716     1,716    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,776     3,776    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,716     1,716    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,776          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,716          
Raleigh, NC - Dogwood [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Dogwood [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - GlenLake Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       13,003    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (8,359)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       114    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       4,644    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       114    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 4,758     4,758    
SEC Schedule III, Real Estate Accumulated Depreciation 48     48    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 4,758     4,758    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 48     48    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 4,758          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 48          
Raleigh, NC - GlenLake Land [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - GlenLake Land [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - GlenLake One [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       924    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       1,324    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       21,641    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,248    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       21,641    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 23,889     23,889    
SEC Schedule III, Real Estate Accumulated Depreciation 7,917     7,917    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 23,889     23,889    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 7,917     7,917    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 23,889          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 7,917          
Raleigh, NC - GlenLake One [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - GlenLake One [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - GlenLake Four [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,659    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       493    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       20,615    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,152    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       20,615    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 22,767     22,767    
SEC Schedule III, Real Estate Accumulated Depreciation 6,379     6,379    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 22,767     22,767    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6,379     6,379    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 22,767          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 6,379          
Raleigh, NC - GlenLake Four [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - GlenLake Four [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - GlenLake Six [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       941    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (365)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       22,812    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       576    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       22,812    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 23,388     23,388    
SEC Schedule III, Real Estate Accumulated Depreciation 7,252     7,252    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 23,388     23,388    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 7,252     7,252    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 23,388          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 7,252          
Raleigh, NC - GlenLake Six [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - GlenLake Six [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - 701 Raleigh Corporate Center [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,304    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       540    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       14,957    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,844    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       14,957    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 16,801     16,801    
SEC Schedule III, Real Estate Accumulated Depreciation 7,051     7,051    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 16,801     16,801    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 7,051     7,051    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 16,801          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 7,051          
Raleigh, NC - 701 Raleigh Corporate Center [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - 701 Raleigh Corporate Center [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Highwoods Centre [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       531    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (267)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       7,926    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       264    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       7,926    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 8,190     8,190    
SEC Schedule III, Real Estate Accumulated Depreciation 3,521     3,521    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 8,190     8,190    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,521     3,521    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 8,190          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,521          
Raleigh, NC - Highwoods Centre [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Highwoods Centre [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Highwoods Office Center North Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       357    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       49    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       357    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       49    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 406     406    
SEC Schedule III, Real Estate Accumulated Depreciation 37     37    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 406     406    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 37     37    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 406          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 37          
Raleigh, NC - Highwoods Office Center North Land [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Highwoods Office Center North Land [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Highwoods Tower Two [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       365    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       503    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       21,269    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       868    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       21,269    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 22,137     22,137    
SEC Schedule III, Real Estate Accumulated Depreciation 9,267     9,267    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 22,137     22,137    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 9,267     9,267    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 22,137          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 9,267          
Raleigh, NC - Highwoods Tower Two [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Highwoods Tower Two [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Inveresk Land Parcel 2 [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       657    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       38    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       103    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       695    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       103    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 798     798    
SEC Schedule III, Real Estate Accumulated Depreciation 6     6    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 798     798    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6     6    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 798          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 6          
Raleigh, NC - Lake Boone Medical Center [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,450    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       6,311    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       580    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,450    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,891    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 8,341     8,341    
SEC Schedule III, Real Estate Accumulated Depreciation 1,341     1,341    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 8,341     8,341    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,341     1,341    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 8,341          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,341          
Raleigh, NC - Lake Boone Medical Center [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Lake Boone Medical Center [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - 4620 Creekstone Drive [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       149    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       107    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,191    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       256    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,191    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,447     3,447    
SEC Schedule III, Real Estate Accumulated Depreciation 1,315     1,315    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,447     3,447    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,315     1,315    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,447          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,315          
Raleigh, NC - 4620 Creekstone Drive [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - 4620 Creekstone Drive [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - 4825 Creekstone Drive [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       398    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       293    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       11,304    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       691    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       11,304    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 11,995     11,995    
SEC Schedule III, Real Estate Accumulated Depreciation 4,827     4,827    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 11,995     11,995    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,827     4,827    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 11,995          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,827          
Raleigh, NC - 4825 Creekstone Drive [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - 4825 Creekstone Drive [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Pamlico [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       289    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       10,507    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       289    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       10,507    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 10,796     10,796    
SEC Schedule III, Real Estate Accumulated Depreciation 7,794     7,794    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 10,796     10,796    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 7,794     7,794    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 10,796          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 7,794          
Raleigh, NC - Pamlico [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Pamlico [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Progress Center Renovation [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       362    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       362    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 362     362    
SEC Schedule III, Real Estate Accumulated Depreciation 353     353    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 362     362    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 353     353    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 362          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 353          
Raleigh, NC - Progress Center Renovation [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Progress Center Renovation [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - PNC Plaza [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,206    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       71,350    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,206    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       71,350    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 72,556     72,556    
SEC Schedule III, Real Estate Accumulated Depreciation 21,320     21,320    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 72,556     72,556    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 21,320     21,320    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 72,556          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 21,320          
Raleigh, NC - PNC Plaza [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - PNC Plaza [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Rexwoods Center I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       878    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       3,730    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,488    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       878    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,218    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,096     7,096    
SEC Schedule III, Real Estate Accumulated Depreciation 3,480     3,480    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,096     7,096    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,480     3,480    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,096          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,480          
Raleigh, NC - Rexwoods Center I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Rexwoods Center I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Rexwoods Center II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       362    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       1,818    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,436    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       362    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,254    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,616     3,616    
SEC Schedule III, Real Estate Accumulated Depreciation 1,626     1,626    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,616     3,616    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,626     1,626    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,616          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,626          
Raleigh, NC - Rexwoods Center II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Rexwoods Center II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Rexwoods Center III [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       919    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       2,816    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,641    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       919    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       4,457    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 5,376     5,376    
SEC Schedule III, Real Estate Accumulated Depreciation 2,435     2,435    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 5,376     5,376    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,435     2,435    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 5,376          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,435          
Raleigh, NC - Rexwoods Center III [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Rexwoods Center III [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Rexwoods Center IV [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       586    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,752    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       586    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       4,752    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 5,338     5,338    
SEC Schedule III, Real Estate Accumulated Depreciation 2,450     2,450    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 5,338     5,338    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,450     2,450    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 5,338          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,450          
Raleigh, NC - Rexwoods Center IV [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Rexwoods Center IV [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Rexwoods Center V [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,301    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       184    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,376    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,485    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,376    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,861     7,861    
SEC Schedule III, Real Estate Accumulated Depreciation 2,881     2,881    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,861     7,861    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,881     2,881    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,861          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,881          
Raleigh, NC - Rexwoods Center V [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Rexwoods Center V [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Riverbirch [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       469    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       4,038    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       23    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       5,226    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       492    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       9,264    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 9,756     9,756    
SEC Schedule III, Real Estate Accumulated Depreciation 2,100     2,100    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 9,756     9,756    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,100     2,100    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 9,756          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,100          
Raleigh, NC - Riverbirch [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Riverbirch [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Six Forks Center I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       666    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       2,665    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,997    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       666    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       4,662    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 5,328     5,328    
SEC Schedule III, Real Estate Accumulated Depreciation 2,686     2,686    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 5,328     5,328    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,686     2,686    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 5,328          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,686          
Raleigh, NC - Six Forks Center I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Six Forks Center I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Six Forks Center II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,086    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       4,533    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,807    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,086    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       7,340    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 8,426     8,426    
SEC Schedule III, Real Estate Accumulated Depreciation 3,971     3,971    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 8,426     8,426    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,971     3,971    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 8,426          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,971          
Raleigh, NC - Six Forks Center II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Six Forks Center II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Six Forks Center III [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       862    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       4,411    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,051    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       862    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       7,462    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 8,324     8,324    
SEC Schedule III, Real Estate Accumulated Depreciation 4,254     4,254    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 8,324     8,324    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,254     4,254    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 8,324          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,254          
Raleigh, NC - Six Forks Center III [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Six Forks Center III [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Smoketree Tower [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,353    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       11,743    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       7,109    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,353    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       18,852    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 21,205     21,205    
SEC Schedule III, Real Estate Accumulated Depreciation 9,725     9,725    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 21,205     21,205    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 9,725     9,725    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 21,205          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 9,725          
Raleigh, NC - Smoketree Tower [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Smoketree Tower [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - 4601 Creekstone Drive [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       255    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       217    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,358    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       472    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,358    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 6,830     6,830    
SEC Schedule III, Real Estate Accumulated Depreciation 2,956     2,956    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 6,830     6,830    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,956     2,956    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 6,830          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,956          
Raleigh, NC - 4601 Creekstone Drive [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - 4601 Creekstone Drive [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Weston Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       22,771    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (19,526)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,245    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,245     3,245    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,245     3,245    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,245          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Raleigh, NC - 4625 Creekstone Drive [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       458    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       268    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,415    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       726    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,415    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 7,141     7,141    
SEC Schedule III, Real Estate Accumulated Depreciation 3,186     3,186    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,141     7,141    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,186     3,186    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,141          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,186          
Raleigh, NC - 4625 Creekstone Drive [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - 4625 Creekstone Drive [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - 11000 Weston Parkway [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,651    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       18,850    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,318    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,651    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       20,168    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 22,819     22,819    
SEC Schedule III, Real Estate Accumulated Depreciation 4,560     4,560    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 22,819     22,819    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,560     4,560    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 22,819          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,560          
Raleigh, NC - 11000 Weston Parkway [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - 11000 Weston Parkway [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - GlenLake Five [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,263    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       30,264    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,431    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,263    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       33,695    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 35,958     35,958    
SEC Schedule III, Real Estate Accumulated Depreciation 3,900     3,900    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 35,958     35,958    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,900     3,900    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 35,958          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,900          
Raleigh, NC - GlenLake Five [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - GlenLake Five [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - 11800 Weston Parkway [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       826    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       13,188    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       826    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,190    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 14,016     14,016    
SEC Schedule III, Real Estate Accumulated Depreciation 1,320     1,320    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 14,016     14,016    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,320     1,320    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 14,016          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,320          
Raleigh, NC - 11800 Weston Parkway [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - 11800 Weston Parkway [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - CentreGreen Cafe [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       41    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       3,509    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       41    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,509    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,550     3,550    
SEC Schedule III, Real Estate Accumulated Depreciation 272     272    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,550     3,550    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 272     272    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,550          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 272          
Raleigh, NC - CentreGreen Cafe [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - CentreGreen Cafe [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - CentreGreen Fitness Center [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       27    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       2,322    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       27    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,322    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,349     2,349    
SEC Schedule III, Real Estate Accumulated Depreciation 180     180    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,349     2,349    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 180     180    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,349          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 180          
Raleigh, NC - CentreGreen Fitness Center [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - CentreGreen Fitness Center [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - One City Plaza [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       11,288    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       68,375    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       18,767    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       11,288    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       87,142    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 98,430     98,430    
SEC Schedule III, Real Estate Accumulated Depreciation 9,401     9,401    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 98,430     98,430    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 9,401     9,401    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 98,430          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 9,401          
Raleigh, NC - One City Plaza [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - One City Plaza [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Weston Lakefront I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       8,522    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       42,267    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       168    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       8,522    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       42,435    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 50,957     50,957    
SEC Schedule III, Real Estate Accumulated Depreciation 3,876     3,876    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 50,957     50,957    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,876     3,876    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 50,957          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,876          
Raleigh, NC - Weston Lakefront I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Weston Lakefront I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Weston Lakefront II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       8,522    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       45,870    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       151    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       8,522    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       46,021    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 54,543     54,543    
SEC Schedule III, Real Estate Accumulated Depreciation 3,925     3,925    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 54,543     54,543    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,925     3,925    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 54,543          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,925          
Raleigh, NC - Weston Lakefront II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Weston Lakefront II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Edison - Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       5,984    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       2,605    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       8,589    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 8,589     8,589    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 8,589     8,589    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 8,589          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Raleigh, NC - Charter Square [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       7,267    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       65,881    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,191    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       7,267    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       70,072    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 77,339     77,339    
SEC Schedule III, Real Estate Accumulated Depreciation 2,573     2,573    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 77,339     77,339    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,573     2,573    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 77,339          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,573          
Raleigh, NC - Charter Square [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Raleigh, NC - Charter Square [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Raleigh, NC - Other Property [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       39,376    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       20,868    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (33,209)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       (695)    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       6,167    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       20,173    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 26,340     26,340    
SEC Schedule III, Real Estate Accumulated Depreciation 10,615     10,615    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 26,340     26,340    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 10,615     10,615    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 26,340          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 10,615          
Richmond, VA - 4900 Cox Road [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,324    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       5,311    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       15    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,226    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,339    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,537    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 9,876     9,876    
SEC Schedule III, Real Estate Accumulated Depreciation 4,574     4,574    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 9,876     9,876    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,574     4,574    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 9,876          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,574          
Richmond, VA - 4900 Cox Road [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - 4900 Cox Road [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Colonnade Building [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,364    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       6,105    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,401    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,364    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,506    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 9,870     9,870    
SEC Schedule III, Real Estate Accumulated Depreciation 3,059     3,059    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 9,870     9,870    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,059     3,059    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 9,870          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,059          
Richmond, VA - Colonnade Building [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Colonnade Building [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Dominion Place - Pitts Parcel - Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,101    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (343)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       758    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 758     758    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 758     758    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 758          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Richmond, VA - Markel 4521 [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,581    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       13,299    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       168    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       (1,244)    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,749    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       12,055    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 13,804     13,804    
SEC Schedule III, Real Estate Accumulated Depreciation 5,213     5,213    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,804     13,804    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 5,213     5,213    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,804          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 5,213          
Richmond, VA - Markel 4521 [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Markel 4521 [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Hamilton Beach/Proctor Silex [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,086    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       4,345    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       10    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,492    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,096    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,837    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,933     7,933    
SEC Schedule III, Real Estate Accumulated Depreciation 3,378     3,378    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,933     7,933    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,378     3,378    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,933          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,378          
Richmond, VA - Hamilton Beach/Proctor Silex [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Hamilton Beach/Proctor Silex [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Highwoods Commons [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       521    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       458    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,793    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       979    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,793    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 4,772     4,772    
SEC Schedule III, Real Estate Accumulated Depreciation 1,766     1,766    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 4,772     4,772    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,766     1,766    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 4,772          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,766          
Richmond, VA - Highwoods Commons [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Highwoods Commons [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Highwoods One [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,688    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       22    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       13,763    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,710    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,763    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 15,473     15,473    
SEC Schedule III, Real Estate Accumulated Depreciation 6,148     6,148    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 15,473     15,473    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6,148     6,148    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 15,473          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 6,148          
Richmond, VA - Highwoods One [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Highwoods One [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Highwoods Two [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       786    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       226    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       8,033    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,012    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,033    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 9,045     9,045    
SEC Schedule III, Real Estate Accumulated Depreciation 2,910     2,910    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 9,045     9,045    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,910     2,910    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 9,045          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,910          
Richmond, VA - Highwoods Two [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Highwoods Two [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Highwoods Five [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       783    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       11    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       7,296    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       794    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       7,296    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 8,090     8,090    
SEC Schedule III, Real Estate Accumulated Depreciation 2,790     2,790    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 8,090     8,090    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,790     2,790    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 8,090          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,790          
Richmond, VA - Highwoods Five [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Highwoods Five [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Highwoods Plaza [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       909    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       187    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,008    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,096    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,008    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,104     7,104    
SEC Schedule III, Real Estate Accumulated Depreciation 2,947     2,947    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,104     7,104    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,947     2,947    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,104          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,947          
Richmond, VA - Highwoods Plaza [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Highwoods Plaza [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Innslake Center [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       845    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       195    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,434    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,040    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,434    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,474     7,474    
SEC Schedule III, Real Estate Accumulated Depreciation 2,592     2,592    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,474     7,474    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,592     2,592    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,474          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,592          
Richmond, VA - Innslake Center [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Innslake Center [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Highwoods Centre [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,205    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       4,825    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,366    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,205    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,191    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,396     7,396    
SEC Schedule III, Real Estate Accumulated Depreciation 3,239     3,239    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,396     7,396    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,239     3,239    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,396          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,239          
Richmond, VA - Highwoods Centre [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Highwoods Centre [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Markel 4501 [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,300    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       13,259    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       213    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       (4,135)    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,513    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       9,124    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 10,637     10,637    
SEC Schedule III, Real Estate Accumulated Depreciation 3,083     3,083    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 10,637     10,637    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,083     3,083    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 10,637          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,083          
Richmond, VA - Markel 4501 [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Markel 4501 [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Markel 4600 [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,700    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       17,081    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       169    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       (3,607)    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,869    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,474    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 15,343     15,343    
SEC Schedule III, Real Estate Accumulated Depreciation 4,339     4,339    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 15,343     15,343    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,339     4,339    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 15,343          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,339          
Richmond, VA - Markel 4600 [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Markel 4600 [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - North Park [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,163    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       8,659    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       6    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,582    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,169    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       11,241    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 13,410     13,410    
SEC Schedule III, Real Estate Accumulated Depreciation 5,988     5,988    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,410     13,410    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 5,988     5,988    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,410          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 5,988          
Richmond, VA - North Park [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - North Park [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - North Shore Commons I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       951    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       17    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       12,510    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       968    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       12,510    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 13,478     13,478    
SEC Schedule III, Real Estate Accumulated Depreciation 5,053     5,053    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,478     13,478    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 5,053     5,053    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,478          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 5,053          
Richmond, VA - North Shore Commons I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - North Shore Commons I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - North Shore Commons II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,067    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (89)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       11,030    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,978    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       11,030    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 13,008     13,008    
SEC Schedule III, Real Estate Accumulated Depreciation 2,884     2,884    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,008     13,008    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,884     2,884    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,008          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,884          
Richmond, VA - North Shore Commons II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - North Shore Commons II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - North Shore Commons C - Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,497    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       15    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,512    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,512     1,512    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,512     1,512    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,512          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Richmond, VA - North Shore Commons D - Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,261    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,261    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 1,261     1,261    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,261     1,261    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,261          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Richmond, VA - Nuckols Corner Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,259    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       203    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,462    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 1,462     1,462    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,462     1,462    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,462          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Richmond, VA - One Shockoe Plaza [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       356    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       17,440    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       356    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       17,440    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 17,796     17,796    
SEC Schedule III, Real Estate Accumulated Depreciation 8,138     8,138    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 17,796     17,796    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 8,138     8,138    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 17,796          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 8,138          
Richmond, VA - One Shockoe Plaza [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - One Shockoe Plaza [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Pavilion Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       181    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       46    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       20    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       (46)    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       201    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 201     201    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 201     201    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 201          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Richmond, VA - Lake Brook Commons [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,600    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       8,864    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       21    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,211    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,621    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       11,075    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 12,696     12,696    
SEC Schedule III, Real Estate Accumulated Depreciation 3,925     3,925    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 12,696     12,696    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,925     3,925    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 12,696          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,925          
Richmond, VA - Lake Brook Commons [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Lake Brook Commons [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Sadler & Cox Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,535    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       343    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,878    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 1,878     1,878    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 1,878     1,878    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 1,878          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Richmond, VA - Highwoods Three [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,918    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       358    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       10,543    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,276    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       10,543    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 12,819     12,819    
SEC Schedule III, Real Estate Accumulated Depreciation 3,142     3,142    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 12,819     12,819    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,142     3,142    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 12,819          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,142          
Richmond, VA - Highwoods Three [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Highwoods Three [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Stony Point I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,384    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       11,630    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (267)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,323    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,117    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       15,953    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 17,070     17,070    
SEC Schedule III, Real Estate Accumulated Depreciation 7,557     7,557    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 17,070     17,070    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 7,557     7,557    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 17,070          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 7,557          
Richmond, VA - Stony Point I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Stony Point I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Stony Point II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,240    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       103    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       12,450    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,343    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       12,450    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 13,793     13,793    
SEC Schedule III, Real Estate Accumulated Depreciation 5,309     5,309    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,793     13,793    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 5,309     5,309    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,793          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 5,309          
Richmond, VA - Stony Point II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Stony Point II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Stony Point III [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       995    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       10,342    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       995    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       10,342    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 11,337     11,337    
SEC Schedule III, Real Estate Accumulated Depreciation 4,126     4,126    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 11,337     11,337    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,126     4,126    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 11,337          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,126          
Richmond, VA - Stony Point III [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Stony Point III [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Stony Point IV [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       955    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       11,065    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       955    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       11,065    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 12,020     12,020    
SEC Schedule III, Real Estate Accumulated Depreciation 3,244     3,244    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 12,020     12,020    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,244     3,244    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 12,020          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,244          
Richmond, VA - Stony Point IV [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Stony Point IV [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Virginia Mutual [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,301    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       6,036    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       15    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,481    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,316    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       7,517    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 8,833     8,833    
SEC Schedule III, Real Estate Accumulated Depreciation 3,237     3,237    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 8,833     8,833    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,237     3,237    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 8,833          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,237          
Richmond, VA - Virginia Mutual [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Virginia Mutual [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Waterfront Plaza [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       585    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       2,347    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       8    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,375    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       593    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       3,722    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 4,315     4,315    
SEC Schedule III, Real Estate Accumulated Depreciation 1,752     1,752    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 4,315     4,315    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,752     1,752    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 4,315          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,752          
Richmond, VA - Waterfront Plaza [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Waterfront Plaza [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Richmond, VA - Innsbrook Center [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       914    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       8,249    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       686    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       914    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       8,935    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 9,849     9,849    
SEC Schedule III, Real Estate Accumulated Depreciation 3,211     3,211    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 9,849     9,849    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,211     3,211    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 9,849          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,211          
Richmond, VA - Innsbrook Center [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Richmond, VA - Innsbrook Center [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - 4200 Cypress [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,673    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       16,470    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,519    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,673    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       20,989    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 23,662     23,662    
SEC Schedule III, Real Estate Accumulated Depreciation 4,881     4,881    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 23,662     23,662    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,881     4,881    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 23,662          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,881          
Tampa, FL - 4200 Cypress [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - 4200 Cypress [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Bayshore Place [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,276    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       11,817    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,336    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,276    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       14,153    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 16,429     16,429    
SEC Schedule III, Real Estate Accumulated Depreciation 7,268     7,268    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 16,429     16,429    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 7,268     7,268    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 16,429          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 7,268          
Tampa, FL - Bayshore Place [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Bayshore Place [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - General Services Administration [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       4,054    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       406    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       27,759    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       4,460    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       27,759    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 32,219     32,219    
SEC Schedule III, Real Estate Accumulated Depreciation 10,894     10,894    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 32,219     32,219    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 10,894     10,894    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 32,219          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 10,894          
Tampa, FL - General Services Administration [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - General Services Administration [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Highwoods Preserve Building I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       991    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       26,283    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       991    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       26,283    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 27,274     27,274    
SEC Schedule III, Real Estate Accumulated Depreciation 9,874     9,874    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 27,274     27,274    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 9,874     9,874    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 27,274          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 9,874          
Tampa, FL - Highwoods Preserve Building I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Highwoods Preserve Building I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Highwoods Preserve Building V [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       881    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       25,398    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       881    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       25,398    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 26,279     26,279    
SEC Schedule III, Real Estate Accumulated Depreciation 11,752     11,752    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 26,279     26,279    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 11,752     11,752    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 26,279          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 11,752          
Tampa, FL - Highwoods Preserve Building V [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Highwoods Preserve Building V [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Highwoods Bay Center I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,565    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (64)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       36,958    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,501    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       36,958    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 40,459     40,459    
SEC Schedule III, Real Estate Accumulated Depreciation 11,197     11,197    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 40,459     40,459    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 11,197     11,197    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 40,459          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 11,197          
Tampa, FL - Highwoods Bay Center I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Highwoods Bay Center I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - HIW Bay Center II Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,482    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,482    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 3,482     3,482    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 3,482     3,482    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 3,482          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Tampa, FL - HIW Preserve Building VII [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       790    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       12,498    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       790    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       12,498    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 13,288     13,288    
SEC Schedule III, Real Estate Accumulated Depreciation 3,362     3,362    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,288     13,288    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,362     3,362    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,288          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,362          
Tampa, FL - HIW Preserve Building VII [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - HIW Preserve Building VII [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - HIW Preserve VII Garage [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,797    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,797    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 6,797     6,797    
SEC Schedule III, Real Estate Accumulated Depreciation 1,853     1,853    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 6,797     6,797    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,853     1,853    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 6,797          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,853          
Tampa, FL - HIW Preserve VII Garage [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - HIW Preserve VII Garage [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Horizon [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       6,257    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,255    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       10,512    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 10,512     10,512    
SEC Schedule III, Real Estate Accumulated Depreciation 4,903     4,903    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 10,512     10,512    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,903     4,903    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 10,512          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,903          
Tampa, FL - Horizon [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Horizon [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - LakePointe One [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,106    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       89    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       45,339    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,106    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       45,428    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 47,534     47,534    
SEC Schedule III, Real Estate Accumulated Depreciation 21,659     21,659    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 47,534     47,534    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 21,659     21,659    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 47,534          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 21,659          
Tampa, FL - LakePointe One [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - LakePointe One [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - LakePointe Two [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,000    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       15,848    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       672    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       15,240    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,672    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       31,088    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 33,760     33,760    
SEC Schedule III, Real Estate Accumulated Depreciation 12,824     12,824    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 33,760     33,760    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 12,824     12,824    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 33,760          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 12,824          
Tampa, FL - LakePointe Two [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - LakePointe Two [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Lakeside [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       7,369    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,593    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,962    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 13,962     13,962    
SEC Schedule III, Real Estate Accumulated Depreciation 5,367     5,367    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,962     13,962    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 5,367     5,367    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,962          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 5,367          
Tampa, FL - Lakeside [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Lakeside [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Lakeside/Parkside Garage [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       5,627    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       5,627    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 5,627     5,627    
SEC Schedule III, Real Estate Accumulated Depreciation 1,732     1,732    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 5,627     5,627    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,732     1,732    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 5,627          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,732          
Tampa, FL - Lakeside/Parkside Garage [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Lakeside/Parkside Garage [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - One Harbour Place [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,016    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       25,252    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       11,046    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,016    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       36,298    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 38,314     38,314    
SEC Schedule III, Real Estate Accumulated Depreciation 14,189     14,189    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 38,314     38,314    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 14,189     14,189    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 38,314          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 14,189          
Tampa, FL - One Harbour Place [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - One Harbour Place [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Parkside [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       9,407    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,768    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       13,175    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 13,175     13,175    
SEC Schedule III, Real Estate Accumulated Depreciation 6,964     6,964    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 13,175     13,175    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 6,964     6,964    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 13,175          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 6,964          
Tampa, FL - Parkside [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Parkside [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Pavilion [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       16,394    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,646    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       21,040    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 21,040     21,040    
SEC Schedule III, Real Estate Accumulated Depreciation 10,479     10,479    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 21,040     21,040    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 10,479     10,479    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 21,040          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 10,479          
Tampa, FL - Pavilion [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Pavilion [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Pavilion Parking Garage [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       5,731    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       5,731    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 5,731     5,731    
SEC Schedule III, Real Estate Accumulated Depreciation 2,585     2,585    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 5,731     5,731    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,585     2,585    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 5,731          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,585          
Tampa, FL - Pavilion Parking Garage [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Pavilion Parking Garage [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Spectrum [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,454    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       14,502    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       6,931    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,454    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       21,433    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 22,887     22,887    
SEC Schedule III, Real Estate Accumulated Depreciation 11,604     11,604    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 22,887     22,887    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 11,604     11,604    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 22,887          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 11,604          
Tampa, FL - Spectrum [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Spectrum [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Tower Place [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       3,218    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       19,898    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       4,849    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       3,218    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       24,747    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 27,965     27,965    
SEC Schedule III, Real Estate Accumulated Depreciation 12,579     12,579    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 27,965     27,965    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 12,579     12,579    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 27,965          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 12,579          
Tampa, FL - Tower Place [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Tower Place [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Westshore Square [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,126    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       5,186    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,466    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,126    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       6,652    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 7,778     7,778    
SEC Schedule III, Real Estate Accumulated Depreciation 3,334     3,334    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 7,778     7,778    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,334     3,334    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 7,778          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,334          
Tampa, FL - Westshore Square [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Westshore Square [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Independence Park Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       4,943    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       4,833    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       2,227    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       9,776    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       2,227    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 12,003     12,003    
SEC Schedule III, Real Estate Accumulated Depreciation 47     47    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 12,003     12,003    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 47     47    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 12,003          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 47          
Tampa, FL - Independence Park I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,531    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       4,526    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       5,270    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,531    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       9,796    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets 12,327     12,327    
SEC Schedule III, Real Estate Accumulated Depreciation 3,330     3,330    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 12,327     12,327    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,330     3,330    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 12,327          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,330          
Tampa, FL - Independence Park I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Independence Park I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Meridian I [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,849    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       22,363    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,808    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,849    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       24,171    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 26,020     26,020    
SEC Schedule III, Real Estate Accumulated Depreciation 4,047     4,047    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 26,020     26,020    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 4,047     4,047    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 26,020          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 4,047          
Tampa, FL - Meridian I [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Meridian I [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Meridian II [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,302    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       19,588    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       3,002    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,302    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       22,590    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 23,892     23,892    
SEC Schedule III, Real Estate Accumulated Depreciation 3,580     3,580    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 23,892     23,892    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 3,580     3,580    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 23,892          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 3,580          
Tampa, FL - Meridian II [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Meridian II [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Laser Spine Institute [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       0    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       6,310    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       44,634    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       6,310    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       44,634    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 50,944     50,944    
SEC Schedule III, Real Estate Accumulated Depreciation 2,849     2,849    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 50,944     50,944    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 2,849     2,849    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 50,944          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 2,849          
Tampa, FL - Laser Spine Institute [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Laser Spine Institute [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Suntrust Financial Centre [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       1,980    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       102,138    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       12,016    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       1,980    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       114,154    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 116,134     116,134    
SEC Schedule III, Real Estate Accumulated Depreciation 8,162     8,162    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 116,134     116,134    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 8,162     8,162    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 116,134          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 8,162          
Tampa, FL - Suntrust Financial Centre [Member] | Minimum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 5 years          
Tampa, FL - Suntrust Financial Centre [Member] | Maximum [Member]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Life Used For Depreciation 40 years          
Tampa, FL - Suntrust Financial Land [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       2,225    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       0    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       2,225    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       0    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets $ 2,225     2,225    
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III 2,225     2,225    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 0     0    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance 2,225          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance 0          
Total Real Estate and Accumulated Depreciation [Member]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost [Abstract]            
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Land       563,648    
SEC Schedule III, Real Estate and Accumulated Depreciation, Initial Cost of Buildings and Improvements       2,678,507    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition [Abstract]            
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Land       (1,701)    
Real Estate and Accumulated Depreciation, Costs Capitalized Subsequent to Acquisition, Buildings and Improvements       1,933,300    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period [Abstract]            
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Land       561,947    
Real Estate and Accumulated Depreciation, Gross Value at Close of Period, Buildings and Improvements       4,611,807    
Real Estate and Accumulated Depreciation,Gross Value at Close of Period, Total Assets [1] 5,173,754     5,173,754    
SEC Schedule III, Real Estate Accumulated Depreciation 1,211,728     1,211,728    
Reconciliation of Total Real Estate Assets to Balance Sheet [Abstract]            
Total real estate assets per Schedule III [1] 5,173,754     5,173,754    
Reconciliation of Total Accumulated Depreciation to Balance Sheet [Abstract]            
SEC Schedule III, Real Estate Accumulated Depreciation 1,211,728     $ 1,211,728    
SEC Schedule III, Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]            
Real estate assets, ending balance [1] 5,173,754          
SEC Schedule III, Reconciliation of Real Estate Accumulated Depreciation [Roll Forward]            
Accumulated depreciation, ending balance $ 1,211,728          
[1] tax basis of aggregate land and buildings and tenant improvements as of December 31, 2017 is $4.8 billion.