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Schedule III Real Estate Investments and Accumulated Depreciation - Property Holdings (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
property
Dec. 31, 2019
USD ($)
Dec. 19, 2019
building
Dec. 31, 2018
USD ($)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. 222   17  
Encumbrances $ 11,264      
Initial Cost of Land 1,138,235      
Initial Cost of Buildings & Improvements 735,826      
Costs Capitalized Subsequent to Acquisition 206,859      
Gross carrying amount, Land 1,138,233      
Gross carrying amount, Building & Improvements 942,688      
Total 2,169,780      
Accumulated Depreciation 238,073 $ 208,279   $ 169,772
Real estate investment property, excluding unamortized net deferred financing costs        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 11,271      
Unamortized net deferred financing costs (7)      
Real estate investment property, intangible assets        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Gross carrying amount, Land 68,365      
Gross carrying amount, Building & Improvements $ 88,859      
Los Angeles | 104th St        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,701      
Initial Cost of Buildings & Improvements 976      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 3,701      
Gross carrying amount, Building & Improvements 976      
Total 4,677      
Accumulated Depreciation $ 84      
Los Angeles | 139th Street        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 21,236      
Initial Cost of Buildings & Improvements 15,783      
Costs Capitalized Subsequent to Acquisition 2      
Gross carrying amount, Land 21,236      
Gross carrying amount, Building & Improvements 15,785      
Total 37,021      
Accumulated Depreciation $ 1,262      
Los Angeles | 630 Glasgow        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,245      
Initial Cost of Buildings & Improvements 1,855      
Costs Capitalized Subsequent to Acquisition 400      
Gross carrying amount, Land 2,245      
Gross carrying amount, Building & Improvements 2,255      
Total 4,500      
Accumulated Depreciation $ 734      
Los Angeles | 747 Glasgow        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 1,759      
Initial Cost of Buildings & Improvements 1,555      
Costs Capitalized Subsequent to Acquisition 295      
Gross carrying amount, Land 1,759      
Gross carrying amount, Building & Improvements 1,850      
Total 3,609      
Accumulated Depreciation $ 439      
Los Angeles | 14611 Broadway        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 4,757      
Initial Cost of Buildings & Improvements 1,243      
Costs Capitalized Subsequent to Acquisition 1,020      
Gross carrying amount, Land 4,757      
Gross carrying amount, Building & Improvements 2,263      
Total 7,020      
Accumulated Depreciation $ 965      
Los Angeles | 19601 Hamilton        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 7,409      
Initial Cost of Buildings & Improvements 4,072      
Costs Capitalized Subsequent to Acquisition 895      
Gross carrying amount, Land 7,409      
Gross carrying amount, Building & Improvements 4,967      
Total 12,376      
Accumulated Depreciation $ 1,348      
Los Angeles | 709 Hindry        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,105      
Initial Cost of Buildings & Improvements 2,972      
Costs Capitalized Subsequent to Acquisition 214      
Gross carrying amount, Land 2,105      
Gross carrying amount, Building & Improvements 3,186      
Total 5,291      
Accumulated Depreciation $ 412      
Los Angeles | Acacia        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 5,143      
Initial Cost of Buildings & Improvements 1,985      
Costs Capitalized Subsequent to Acquisition 139      
Gross carrying amount, Land 5,143      
Gross carrying amount, Building & Improvements 2,124      
Total 7,267      
Accumulated Depreciation $ 228      
Los Angeles | Anderson        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 5      
Encumbrances $ 0      
Initial Cost of Land 17,095      
Initial Cost of Buildings & Improvements 1,271      
Costs Capitalized Subsequent to Acquisition 1,268      
Gross carrying amount, Land 17,095      
Gross carrying amount, Building & Improvements 2,539      
Total 19,634      
Accumulated Depreciation $ 76      
Los Angeles | Aviation Blvd        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 9,544      
Initial Cost of Buildings & Improvements 498      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 9,544      
Gross carrying amount, Building & Improvements 498      
Total 10,042      
Accumulated Depreciation $ 5      
Los Angeles | Dominguez        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 11,370      
Initial Cost of Buildings & Improvements 1,535      
Costs Capitalized Subsequent to Acquisition 3,082      
Gross carrying amount, Land 11,370      
Gross carrying amount, Building & Improvements 4,617      
Total 15,987      
Accumulated Depreciation $ 339      
Los Angeles | Garfield        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 5      
Encumbrances $ 0      
Initial Cost of Land 27,539      
Initial Cost of Buildings & Improvements 22,694      
Costs Capitalized Subsequent to Acquisition 4,427      
Gross carrying amount, Land 27,539      
Gross carrying amount, Building & Improvements 27,121      
Total 54,660      
Accumulated Depreciation $ 8,369      
Los Angeles | Gladwick        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 11,636      
Initial Cost of Buildings & Improvements 5,998      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 11,636      
Gross carrying amount, Building & Improvements 5,998      
Total 17,634      
Accumulated Depreciation $ 123      
Los Angeles | Hawthorne        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 8      
Encumbrances $ 0      
Initial Cost of Land 17,226      
Initial Cost of Buildings & Improvements 10,069      
Costs Capitalized Subsequent to Acquisition 1,742      
Gross carrying amount, Land 17,226      
Gross carrying amount, Building & Improvements 11,811      
Total 29,037      
Accumulated Depreciation $ 1,287      
Los Angeles | Las Hermanas        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,330      
Initial Cost of Buildings & Improvements 751      
Costs Capitalized Subsequent to Acquisition 806      
Gross carrying amount, Land 3,330      
Gross carrying amount, Building & Improvements 1,557      
Total 4,887      
Accumulated Depreciation $ 325      
Los Angeles | Lynwood        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 3      
Encumbrances $ 0      
Initial Cost of Land 43,885      
Initial Cost of Buildings & Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 43,885      
Gross carrying amount, Building & Improvements 0      
Total 43,885      
Accumulated Depreciation $ 0      
Los Angeles | McLaren        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 7,459      
Initial Cost of Buildings & Improvements 668      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 7,459      
Gross carrying amount, Building & Improvements 668      
Total 8,127      
Accumulated Depreciation $ 1      
Los Angeles | Manhattan Beach        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 7,874      
Initial Cost of Buildings & Improvements 5,641      
Costs Capitalized Subsequent to Acquisition 787      
Gross carrying amount, Land 7,874      
Gross carrying amount, Building & Improvements 6,428      
Total 14,302      
Accumulated Depreciation $ 1,576      
Los Angeles | Maple Street        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 9,371      
Initial Cost of Buildings & Improvements 607      
Costs Capitalized Subsequent to Acquisition 285      
Gross carrying amount, Land 9,371      
Gross carrying amount, Building & Improvements 892      
Total 10,263      
Accumulated Depreciation $ 1      
Los Angeles | Porter Street        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,791      
Initial Cost of Buildings & Improvements 399      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 3,791      
Gross carrying amount, Building & Improvements 399      
Total 4,190      
Accumulated Depreciation $ 1      
Los Angeles | Shoemaker        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 4,759      
Initial Cost of Buildings & Improvements 1,099      
Costs Capitalized Subsequent to Acquisition 25      
Gross carrying amount, Land 4,759      
Gross carrying amount, Building & Improvements 1,124      
Total 5,883      
Accumulated Depreciation $ 81      
Los Angeles | Slauson        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 4,679      
Initial Cost of Buildings & Improvements 697      
Costs Capitalized Subsequent to Acquisition 694      
Gross carrying amount, Land 4,679      
Gross carrying amount, Building & Improvements 1,391      
Total 6,070      
Accumulated Depreciation $ 51      
Los Angeles | South Main        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 16,371      
Initial Cost of Buildings & Improvements 7,045      
Costs Capitalized Subsequent to Acquisition 17,096      
Gross carrying amount, Land 16,371      
Gross carrying amount, Building & Improvements 24,141      
Total 40,512      
Accumulated Depreciation $ 6,783      
Los Angeles | South Main III        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 11,521      
Initial Cost of Buildings & Improvements 12,467      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 11,521      
Gross carrying amount, Building & Improvements 12,467      
Total 23,988      
Accumulated Depreciation $ 1,183      
Los Angeles | Telegraph Springs        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 7,063      
Initial Cost of Buildings & Improvements 7,236      
Costs Capitalized Subsequent to Acquisition 309      
Gross carrying amount, Land 7,063      
Gross carrying amount, Building & Improvements 7,545      
Total 14,608      
Accumulated Depreciation $ 777      
Los Angeles | Vermont        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 10,173      
Initial Cost of Buildings & Improvements 7,105      
Costs Capitalized Subsequent to Acquisition 221      
Gross carrying amount, Land 10,173      
Gross carrying amount, Building & Improvements 7,326      
Total 17,499      
Accumulated Depreciation $ 591      
Los Angeles | 1215 Walnut        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 6,130      
Initial Cost of Buildings & Improvements 2,522      
Costs Capitalized Subsequent to Acquisition 10      
Gross carrying amount, Land 6,130      
Gross carrying amount, Building & Improvements 2,532      
Total 8,662      
Accumulated Depreciation $ 244      
Los Angeles | Walnut II        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 6,097      
Initial Cost of Buildings & Improvements 5,069      
Costs Capitalized Subsequent to Acquisition 955      
Gross carrying amount, Land 6,097      
Gross carrying amount, Building & Improvements 6,024      
Total 12,121      
Accumulated Depreciation $ 402      
Northern New Jersey/New York City | 1 Dodge Drive        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,819      
Initial Cost of Buildings & Improvements 2,982      
Costs Capitalized Subsequent to Acquisition 2,029      
Gross carrying amount, Land 3,819      
Gross carrying amount, Building & Improvements 5,011      
Total 8,830      
Accumulated Depreciation $ 1,672      
Northern New Jersey/New York City | 17 Madison        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 974      
Initial Cost of Buildings & Improvements 1,647      
Costs Capitalized Subsequent to Acquisition 543      
Gross carrying amount, Land 974      
Gross carrying amount, Building & Improvements 2,190      
Total 3,164      
Accumulated Depreciation $ 685      
Northern New Jersey/New York City | 20 Pulaski        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 4,003      
Initial Cost of Buildings & Improvements 4,946      
Costs Capitalized Subsequent to Acquisition 1,641      
Gross carrying amount, Land 4,003      
Gross carrying amount, Building & Improvements 6,587      
Total 10,590      
Accumulated Depreciation $ 1,478      
Northern New Jersey/New York City | 22 Madison        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 1,365      
Initial Cost of Buildings & Improvements 1,607      
Costs Capitalized Subsequent to Acquisition 1,039      
Gross carrying amount, Land 1,365      
Gross carrying amount, Building & Improvements 2,646      
Total 4,011      
Accumulated Depreciation $ 296      
Northern New Jersey/New York City | 48 3rd and 286 Central        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 12,061      
Initial Cost of Buildings & Improvements 1,664      
Costs Capitalized Subsequent to Acquisition 6      
Gross carrying amount, Land 12,061      
Gross carrying amount, Building & Improvements 1,670      
Total 13,731      
Accumulated Depreciation $ 93      
Northern New Jersey/New York City | 49th Street        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 21,674      
Initial Cost of Buildings & Improvements 2,999      
Costs Capitalized Subsequent to Acquisition 1,169      
Gross carrying amount, Land 21,674      
Gross carrying amount, Building & Improvements 4,168      
Total 25,842      
Accumulated Depreciation $ 349      
Northern New Jersey/New York City | 50 Kero        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 10,343      
Initial Cost of Buildings & Improvements 3,876      
Costs Capitalized Subsequent to Acquisition 3,082      
Gross carrying amount, Land 10,343      
Gross carrying amount, Building & Improvements 6,958      
Total 17,301      
Accumulated Depreciation $ 744      
Northern New Jersey/New York City | 51 Kero        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 3,236      
Initial Cost of Buildings & Improvements 589      
Costs Capitalized Subsequent to Acquisition 1      
Gross carrying amount, Land 3,236      
Gross carrying amount, Building & Improvements 590      
Total 3,826      
Accumulated Depreciation $ 27      
Northern New Jersey/New York City | 74th North Bergen        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,933      
Initial Cost of Buildings & Improvements 1,817      
Costs Capitalized Subsequent to Acquisition 959      
Gross carrying amount, Land 2,933      
Gross carrying amount, Building & Improvements 2,776      
Total 5,709      
Accumulated Depreciation $ 361      
Northern New Jersey/New York City | 81 First N Hackensack        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 25,901      
Initial Cost of Buildings & Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 25,901      
Gross carrying amount, Building & Improvements 0      
Total 25,901      
Accumulated Depreciation $ 0      
Northern New Jersey/New York City | 85 Doremus        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 5,918      
Initial Cost of Buildings & Improvements 513      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 5,918      
Gross carrying amount, Building & Improvements 513      
Total 6,431      
Accumulated Depreciation $ 45      
Northern New Jersey/New York City | 341 Michele        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,372      
Initial Cost of Buildings & Improvements 4,798      
Costs Capitalized Subsequent to Acquisition 960      
Gross carrying amount, Land 2,372      
Gross carrying amount, Building & Improvements 5,758      
Total 8,130      
Accumulated Depreciation $ 1,202      
Northern New Jersey/New York City | 422 Frelinghuysen        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 16,728      
Initial Cost of Buildings & Improvements 0      
Costs Capitalized Subsequent to Acquisition 6,781      
Gross carrying amount, Land 16,728      
Gross carrying amount, Building & Improvements 6,781      
Total 23,509      
Accumulated Depreciation $ 676      
Northern New Jersey/New York City | 465 Meadow        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 713      
Initial Cost of Buildings & Improvements 1,618      
Costs Capitalized Subsequent to Acquisition 263      
Gross carrying amount, Land 713      
Gross carrying amount, Building & Improvements 1,881      
Total 2,594      
Accumulated Depreciation $ 455      
Northern New Jersey/New York City | 550 Delancy        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 9,230      
Initial Cost of Buildings & Improvements 4,855      
Costs Capitalized Subsequent to Acquisition 2,010      
Gross carrying amount, Land 9,230      
Gross carrying amount, Building & Improvements 6,865      
Total 16,095      
Accumulated Depreciation $ 1,547      
Northern New Jersey/New York City | 620 Division        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 6,491      
Initial Cost of Buildings & Improvements 3,568      
Costs Capitalized Subsequent to Acquisition 3,531      
Gross carrying amount, Land 6,491      
Gross carrying amount, Building & Improvements 7,099      
Total 13,590      
Accumulated Depreciation $ 3,001      
Northern New Jersey/New York City | 7777 West Side        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 4,525      
Initial Cost of Buildings & Improvements 8,856      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 4,525      
Gross carrying amount, Building & Improvements 8,856      
Total 13,381      
Accumulated Depreciation $ 844      
Northern New Jersey/New York City | 900 Hart        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,202      
Initial Cost of Buildings & Improvements 3,866      
Costs Capitalized Subsequent to Acquisition 1,301      
Gross carrying amount, Land 3,202      
Gross carrying amount, Building & Improvements 5,167      
Total 8,369      
Accumulated Depreciation $ 1,121      
Northern New Jersey/New York City | 901 North        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 8,035      
Initial Cost of Buildings & Improvements 913      
Costs Capitalized Subsequent to Acquisition 829      
Gross carrying amount, Land 8,035      
Gross carrying amount, Building & Improvements 1,742      
Total 9,777      
Accumulated Depreciation $ 455      
Northern New Jersey/New York City | Avenue A        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 4      
Encumbrances $ 0      
Initial Cost of Land 7,516      
Initial Cost of Buildings & Improvements 4,660      
Costs Capitalized Subsequent to Acquisition 723      
Gross carrying amount, Land 7,516      
Gross carrying amount, Building & Improvements 5,383      
Total 12,899      
Accumulated Depreciation $ 742      
Northern New Jersey/New York City | Belleville        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 11,271      
Initial Cost of Land 12,845      
Initial Cost of Buildings & Improvements 18,041      
Costs Capitalized Subsequent to Acquisition 1,808      
Gross carrying amount, Land 12,845      
Gross carrying amount, Building & Improvements 19,849      
Total 32,694      
Accumulated Depreciation $ 4,476      
Northern New Jersey/New York City | Commerce        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 1,656      
Initial Cost of Buildings & Improvements 1,544      
Costs Capitalized Subsequent to Acquisition 128      
Gross carrying amount, Land 1,656      
Gross carrying amount, Building & Improvements 1,672      
Total 3,328      
Accumulated Depreciation $ 105      
Northern New Jersey/New York City | Dell        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 6,641      
Initial Cost of Buildings & Improvements 771      
Costs Capitalized Subsequent to Acquisition 548      
Gross carrying amount, Land 6,641      
Gross carrying amount, Building & Improvements 1,319      
Total 7,960      
Accumulated Depreciation $ 314      
Northern New Jersey/New York City | Ethel        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 2,748      
Initial Cost of Buildings & Improvements 3,801      
Costs Capitalized Subsequent to Acquisition 1,641      
Gross carrying amount, Land 2,748      
Gross carrying amount, Building & Improvements 5,442      
Total 8,190      
Accumulated Depreciation $ 1,394      
Northern New Jersey/New York City | Interstate        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 13,686      
Initial Cost of Buildings & Improvements 12,135      
Costs Capitalized Subsequent to Acquisition 14,625      
Gross carrying amount, Land 13,686      
Gross carrying amount, Building & Improvements 26,760      
Total 40,446      
Accumulated Depreciation $ 6,523      
Northern New Jersey/New York City | JFK Airgate        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 4      
Encumbrances $ 0      
Initial Cost of Land 18,282      
Initial Cost of Buildings & Improvements 32,933      
Costs Capitalized Subsequent to Acquisition 5,252      
Gross carrying amount, Land 18,282      
Gross carrying amount, Building & Improvements 38,185      
Total 56,467      
Accumulated Depreciation $ 9,210      
Northern New Jersey/New York City | Manor        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 4,076      
Initial Cost of Buildings & Improvements 5,262      
Costs Capitalized Subsequent to Acquisition 1,709      
Gross carrying amount, Land 4,076      
Gross carrying amount, Building & Improvements 6,971      
Total 11,047      
Accumulated Depreciation $ 1,112      
Northern New Jersey/New York City | Melanie Lane        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 3      
Encumbrances $ 0      
Initial Cost of Land 5,931      
Initial Cost of Buildings & Improvements 13,178      
Costs Capitalized Subsequent to Acquisition 3,098      
Gross carrying amount, Land 5,931      
Gross carrying amount, Building & Improvements 16,276      
Total 22,207      
Accumulated Depreciation $ 3,944      
Northern New Jersey/New York City | Middlebrook        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 18      
Encumbrances $ 0      
Initial Cost of Land 16,442      
Initial Cost of Buildings & Improvements 10,241      
Costs Capitalized Subsequent to Acquisition 13,038      
Gross carrying amount, Land 16,442      
Gross carrying amount, Building & Improvements 23,279      
Total 39,721      
Accumulated Depreciation $ 8,927      
Northern New Jersey/New York City | Morgan        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 71,051      
Initial Cost of Buildings & Improvements 10,888      
Costs Capitalized Subsequent to Acquisition 956      
Gross carrying amount, Land 71,051      
Gross carrying amount, Building & Improvements 11,844      
Total 82,895      
Accumulated Depreciation $ 442      
Northern New Jersey/New York City | New Dutch        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 4,773      
Initial Cost of Buildings & Improvements 2,004      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 4,773      
Gross carrying amount, Building & Improvements 2,004      
Total 6,777      
Accumulated Depreciation $ 238      
Northern New Jersey/New York City | Paterson Plank        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 4,127      
Initial Cost of Buildings & Improvements 455      
Costs Capitalized Subsequent to Acquisition 519      
Gross carrying amount, Land 4,127      
Gross carrying amount, Building & Improvements 974      
Total 5,101      
Accumulated Depreciation $ 118      
Northern New Jersey/New York City | Schoolhouse        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,375      
Initial Cost of Buildings & Improvements 5,705      
Costs Capitalized Subsequent to Acquisition 425      
Gross carrying amount, Land 2,375      
Gross carrying amount, Building & Improvements 6,130      
Total 8,505      
Accumulated Depreciation $ 800      
Northern New Jersey/New York City | Stockton        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 12,327      
Initial Cost of Buildings & Improvements 1,282      
Costs Capitalized Subsequent to Acquisition 222      
Gross carrying amount, Land 12,327      
Gross carrying amount, Building & Improvements 1,504      
Total 13,831      
Accumulated Depreciation $ 359      
Northern New Jersey/New York City | Terminal Way        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 3,537      
Initial Cost of Buildings & Improvements 3,598      
Costs Capitalized Subsequent to Acquisition 926      
Gross carrying amount, Land 3,537      
Gross carrying amount, Building & Improvements 4,524      
Total 8,061      
Accumulated Depreciation $ 623      
Northern New Jersey/New York City | Whelan        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 6,366      
Initial Cost of Buildings & Improvements 5,704      
Costs Capitalized Subsequent to Acquisition 473      
Gross carrying amount, Land 6,366      
Gross carrying amount, Building & Improvements 6,177      
Total 12,543      
Accumulated Depreciation $ 164      
Northern New Jersey/New York City | Wilson        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,016      
Initial Cost of Buildings & Improvements 484      
Costs Capitalized Subsequent to Acquisition 813      
Gross carrying amount, Land 2,016      
Gross carrying amount, Building & Improvements 1,297      
Total 3,313      
Accumulated Depreciation $ 311      
Northern New Jersey/New York City | Woodside        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 23,987      
Initial Cost of Buildings & Improvements 3,796      
Costs Capitalized Subsequent to Acquisition 3,972      
Gross carrying amount, Land 23,987      
Gross carrying amount, Building & Improvements 7,768      
Total 31,755      
Accumulated Depreciation $ 652      
San Francisco Bay Area | 20th Street        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 18,092      
Initial Cost of Buildings & Improvements 6,730      
Costs Capitalized Subsequent to Acquisition 1,420      
Gross carrying amount, Land 18,092      
Gross carrying amount, Building & Improvements 8,150      
Total 26,242      
Accumulated Depreciation $ 347      
San Francisco Bay Area | 238/242 Lawrence        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 6,674      
Initial Cost of Buildings & Improvements 2,655      
Costs Capitalized Subsequent to Acquisition 1,616      
Gross carrying amount, Land 6,674      
Gross carrying amount, Building & Improvements 4,271      
Total 10,945      
Accumulated Depreciation $ 1,626      
San Francisco Bay Area | 240 Littlefield        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 5,107      
Initial Cost of Buildings & Improvements 3,293      
Costs Capitalized Subsequent to Acquisition 2,806      
Gross carrying amount, Land 5,107      
Gross carrying amount, Building & Improvements 6,099      
Total 11,206      
Accumulated Depreciation $ 1,225      
San Francisco Bay Area | 299 Lawrence        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 1,352      
Initial Cost of Buildings & Improvements 1,198      
Costs Capitalized Subsequent to Acquisition 548      
Gross carrying amount, Land 1,352      
Gross carrying amount, Building & Improvements 1,746      
Total 3,098      
Accumulated Depreciation $ 600      
San Francisco Bay Area | 631 Brennan        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 1,932      
Initial Cost of Buildings & Improvements 2,245      
Costs Capitalized Subsequent to Acquisition 559      
Gross carrying amount, Land 1,932      
Gross carrying amount, Building & Improvements 2,804      
Total 4,736      
Accumulated Depreciation $ 804      
San Francisco Bay Area | Ahern        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 3,246      
Initial Cost of Buildings & Improvements 2,749      
Costs Capitalized Subsequent to Acquisition 1,049      
Gross carrying amount, Land 3,246      
Gross carrying amount, Building & Improvements 3,798      
Total 7,044      
Accumulated Depreciation $ 1,329      
San Francisco Bay Area | Ahern II        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,467      
Initial Cost of Buildings & Improvements 4,527      
Costs Capitalized Subsequent to Acquisition 201      
Gross carrying amount, Land 2,467      
Gross carrying amount, Building & Improvements 4,728      
Total 7,195      
Accumulated Depreciation $ 870      
San Francisco Bay Area | Burroughs        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 3      
Encumbrances $ 0      
Initial Cost of Land 5,400      
Initial Cost of Buildings & Improvements 7,092      
Costs Capitalized Subsequent to Acquisition 1,408      
Gross carrying amount, Land 5,400      
Gross carrying amount, Building & Improvements 8,500      
Total 13,900      
Accumulated Depreciation $ 1,626      
San Francisco Bay Area | Caribbean        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 3      
Encumbrances $ 0      
Initial Cost of Land 17,483      
Initial Cost of Buildings & Improvements 14,493      
Costs Capitalized Subsequent to Acquisition 2,874      
Gross carrying amount, Land 17,483      
Gross carrying amount, Building & Improvements 17,367      
Total 34,850      
Accumulated Depreciation $ 4,303      
San Francisco Bay Area | Carlton Court        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,036      
Initial Cost of Buildings & Improvements 1,475      
Costs Capitalized Subsequent to Acquisition 162      
Gross carrying amount, Land 2,036      
Gross carrying amount, Building & Improvements 1,637      
Total 3,673      
Accumulated Depreciation $ 483      
San Francisco Bay Area | Clawiter        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 5,964      
Initial Cost of Buildings & Improvements 1,159      
Costs Capitalized Subsequent to Acquisition 167      
Gross carrying amount, Land 5,964      
Gross carrying amount, Building & Improvements 1,326      
Total 7,290      
Accumulated Depreciation $ 283      
San Francisco Bay Area | Hotchkiss        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 4,163      
Initial Cost of Buildings & Improvements 3,152      
Costs Capitalized Subsequent to Acquisition 1,071      
Gross carrying amount, Land 4,163      
Gross carrying amount, Building & Improvements 4,223      
Total 8,386      
Accumulated Depreciation $ 458      
San Francisco Bay Area | Hotchkiss II        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,042      
Initial Cost of Buildings & Improvements 3,081      
Costs Capitalized Subsequent to Acquisition 355      
Gross carrying amount, Land 3,042      
Gross carrying amount, Building & Improvements 3,436      
Total 6,478      
Accumulated Depreciation $ 203      
San Francisco Bay Area | Merced        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 4      
Encumbrances $ 0      
Initial Cost of Land 25,621      
Initial Cost of Buildings & Improvements 9,318      
Costs Capitalized Subsequent to Acquisition 2,678      
Gross carrying amount, Land 25,621      
Gross carrying amount, Building & Improvements 11,996      
Total 37,617      
Accumulated Depreciation $ 825      
San Francisco Bay Area | 221 Michele        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,710      
Initial Cost of Buildings & Improvements 2,540      
Costs Capitalized Subsequent to Acquisition 659      
Gross carrying amount, Land 2,710      
Gross carrying amount, Building & Improvements 3,199      
Total 5,909      
Accumulated Depreciation $ 419      
San Francisco Bay Area | Minnesota and Tennessee        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 34,738      
Initial Cost of Buildings & Improvements 13,141      
Costs Capitalized Subsequent to Acquisition 739      
Gross carrying amount, Land 34,738      
Gross carrying amount, Building & Improvements 13,880      
Total 48,618      
Accumulated Depreciation $ 561      
San Francisco Bay Area | Old Bayshore        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 10,244      
Initial Cost of Buildings & Improvements 1,609      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 10,244      
Gross carrying amount, Building & Improvements 1,609      
Total 11,853      
Accumulated Depreciation $ 44      
San Francisco Bay Area | San Clemente        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 5,126      
Initial Cost of Buildings & Improvements 3,938      
Costs Capitalized Subsequent to Acquisition 152      
Gross carrying amount, Land 5,126      
Gross carrying amount, Building & Improvements 4,090      
Total 9,216      
Accumulated Depreciation $ 284      
San Francisco Bay Area | Starline        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,736      
Initial Cost of Buildings & Improvements 144      
Costs Capitalized Subsequent to Acquisition 418      
Gross carrying amount, Land 3,736      
Gross carrying amount, Building & Improvements 562      
Total 4,298      
Accumulated Depreciation $ 2      
San Francisco Bay Area | West 140th        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 9,578      
Initial Cost of Buildings & Improvements 6,297      
Costs Capitalized Subsequent to Acquisition 3,745      
Gross carrying amount, Land 9,578      
Gross carrying amount, Building & Improvements 10,042      
Total 19,620      
Accumulated Depreciation $ 1,363      
San Francisco Bay Area | Whitney        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 3      
Encumbrances $ 0      
Initial Cost of Land 13,821      
Initial Cost of Buildings & Improvements 9,016      
Costs Capitalized Subsequent to Acquisition 2,087      
Gross carrying amount, Land 13,821      
Gross carrying amount, Building & Improvements 11,103      
Total 24,924      
Accumulated Depreciation $ 942      
San Francisco Bay Area | Wicks        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,224      
Initial Cost of Buildings & Improvements 298      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 2,224      
Gross carrying amount, Building & Improvements 298      
Total 2,522      
Accumulated Depreciation $ 24      
San Francisco Bay Area | Central Pacific Business Park I        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 3      
Encumbrances $ 0      
Initial Cost of Land 8,468      
Initial Cost of Buildings & Improvements 14,165      
Costs Capitalized Subsequent to Acquisition 1,081      
Gross carrying amount, Land 8,468      
Gross carrying amount, Building & Improvements 15,246      
Total 23,714      
Accumulated Depreciation $ 2,930      
San Francisco Bay Area | Central Pacific Business Park II        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 4      
Encumbrances $ 0      
Initial Cost of Land 13,642      
Initial Cost of Buildings & Improvements 23,658      
Costs Capitalized Subsequent to Acquisition 4,937      
Gross carrying amount, Land 13,642      
Gross carrying amount, Building & Improvements 28,595      
Total 42,237      
Accumulated Depreciation $ 6,100      
Seattle        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Initial Cost of Buildings & Improvements $ 8,670      
Costs Capitalized Subsequent to Acquisition 0      
Seattle | 6th Ave [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Initial Cost of Land 7,215      
Gross carrying amount, Land 7,215      
Gross carrying amount, Building & Improvements 8,670      
Total 15,885      
Accumulated Depreciation $ 142      
Seattle | 79th Ave South        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 1,267      
Initial Cost of Buildings & Improvements 1,503      
Costs Capitalized Subsequent to Acquisition 767      
Gross carrying amount, Land 1,267      
Gross carrying amount, Building & Improvements 2,270      
Total 3,537      
Accumulated Depreciation $ 531      
Seattle | 84th Kent        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 4,552      
Initial Cost of Buildings & Improvements 136      
Costs Capitalized Subsequent to Acquisition 256      
Gross carrying amount, Land 4,552      
Gross carrying amount, Building & Improvements 392      
Total 4,944      
Accumulated Depreciation $ 12      
Seattle | 917 Valley        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,203      
Initial Cost of Buildings & Improvements 4,551      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 2,203      
Gross carrying amount, Building & Improvements 4,551      
Total 6,754      
Accumulated Depreciation $ 128      
Seattle | 3401 Lind        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,999      
Initial Cost of Buildings & Improvements 6,707      
Costs Capitalized Subsequent to Acquisition 1,417      
Gross carrying amount, Land 2,999      
Gross carrying amount, Building & Improvements 8,124      
Total 11,123      
Accumulated Depreciation $ 1,148      
Seattle | 4225 2nd Avenue        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 4,236      
Initial Cost of Buildings & Improvements 4,049      
Costs Capitalized Subsequent to Acquisition 2,012      
Gross carrying amount, Land 4,236      
Gross carrying amount, Building & Improvements 6,061      
Total 10,297      
Accumulated Depreciation $ 1,006      
Seattle | 4930 3rd Avenue South        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,984      
Initial Cost of Buildings & Improvements 2,424      
Costs Capitalized Subsequent to Acquisition 817      
Gross carrying amount, Land 3,984      
Gross carrying amount, Building & Improvements 3,241      
Total 7,225      
Accumulated Depreciation $ 507      
Seattle | 12119 East Marginal        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 4,950      
Initial Cost of Buildings & Improvements 1,740      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 4,950      
Gross carrying amount, Building & Improvements 1,740      
Total 6,690      
Accumulated Depreciation $ 2      
Seattle | 17600 West Valley Highway        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,361      
Initial Cost of Buildings & Improvements 5,260      
Costs Capitalized Subsequent to Acquisition 1,425      
Gross carrying amount, Land 3,361      
Gross carrying amount, Building & Improvements 6,685      
Total 10,046      
Accumulated Depreciation $ 1,791      
Seattle | Auburn 400        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 4,415      
Initial Cost of Buildings & Improvements 5,234      
Costs Capitalized Subsequent to Acquisition 202      
Gross carrying amount, Land 4,415      
Gross carrying amount, Building & Improvements 5,436      
Total 9,851      
Accumulated Depreciation $ 208      
Seattle | Auburn 1307        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 4,253      
Initial Cost of Buildings & Improvements 5,034      
Costs Capitalized Subsequent to Acquisition 337      
Gross carrying amount, Land 4,253      
Gross carrying amount, Building & Improvements 5,371      
Total 9,624      
Accumulated Depreciation $ 1,000      
Seattle | Dawson        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,902      
Initial Cost of Buildings & Improvements 278      
Costs Capitalized Subsequent to Acquisition 331      
Gross carrying amount, Land 3,902      
Gross carrying amount, Building & Improvements 609      
Total 4,511      
Accumulated Depreciation $ 103      
Seattle | Denver        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,203      
Initial Cost of Buildings & Improvements 1,345      
Costs Capitalized Subsequent to Acquisition 489      
Gross carrying amount, Land 3,203      
Gross carrying amount, Building & Improvements 1,834      
Total 5,037      
Accumulated Depreciation $ 383      
Seattle | East Valley        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,693      
Initial Cost of Buildings & Improvements 2,959      
Costs Capitalized Subsequent to Acquisition 53      
Gross carrying amount, Land 2,693      
Gross carrying amount, Building & Improvements 3,012      
Total 5,705      
Accumulated Depreciation $ 205      
Seattle | East Marginal        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 2,618      
Initial Cost of Buildings & Improvements 380      
Costs Capitalized Subsequent to Acquisition 114      
Gross carrying amount, Land 2,618      
Gross carrying amount, Building & Improvements 494      
Total 3,112      
Accumulated Depreciation $ 22      
Seattle | Hanford        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,821      
Initial Cost of Buildings & Improvements 2,250      
Costs Capitalized Subsequent to Acquisition 542      
Gross carrying amount, Land 3,821      
Gross carrying amount, Building & Improvements 2,792      
Total 6,613      
Accumulated Depreciation $ 300      
Seattle | Hudson        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 4,471      
Initial Cost of Buildings & Improvements 912      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 4,471      
Gross carrying amount, Building & Improvements 912      
Total 5,383      
Accumulated Depreciation $ 16      
Seattle | Kent 188        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,251      
Initial Cost of Buildings & Improvements 4,719      
Costs Capitalized Subsequent to Acquisition 1,248      
Gross carrying amount, Land 3,251      
Gross carrying amount, Building & Improvements 5,967      
Total 9,218      
Accumulated Depreciation $ 1,937      
Seattle | Kent 190        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 4,560      
Initial Cost of Buildings & Improvements 5,561      
Costs Capitalized Subsequent to Acquisition 395      
Gross carrying amount, Land 4,560      
Gross carrying amount, Building & Improvements 5,956      
Total 10,516      
Accumulated Depreciation $ 1,067      
Seattle | Kent 192        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 12,752      
Initial Cost of Buildings & Improvements 20,642      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 12,752      
Gross carrying amount, Building & Improvements 20,642      
Total 33,394      
Accumulated Depreciation $ 247      
Seattle | Kent 202        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 5,761      
Initial Cost of Buildings & Improvements 9,114      
Costs Capitalized Subsequent to Acquisition 2,810      
Gross carrying amount, Land 5,761      
Gross carrying amount, Building & Improvements 11,924      
Total 17,685      
Accumulated Depreciation $ 2,241      
Seattle | Kent 216th        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,672      
Initial Cost of Buildings & Improvements 5,408      
Costs Capitalized Subsequent to Acquisition 967      
Gross carrying amount, Land 3,672      
Gross carrying amount, Building & Improvements 6,375      
Total 10,047      
Accumulated Depreciation $ 1,317      
Seattle | Kent Corporate Park        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 4      
Encumbrances $ 0      
Initial Cost of Land 5,032      
Initial Cost of Buildings & Improvements 6,916      
Costs Capitalized Subsequent to Acquisition 2,125      
Gross carrying amount, Land 5,032      
Gross carrying amount, Building & Improvements 9,041      
Total 14,073      
Accumulated Depreciation $ 1,695      
Seattle | Lucile        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 4,498      
Initial Cost of Buildings & Improvements 3,504      
Costs Capitalized Subsequent to Acquisition 1,342      
Gross carrying amount, Land 4,498      
Gross carrying amount, Building & Improvements 4,846      
Total 9,344      
Accumulated Depreciation $ 816      
Seattle | Lund        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,573      
Initial Cost of Buildings & Improvements 4,399      
Costs Capitalized Subsequent to Acquisition 173      
Gross carrying amount, Land 2,573      
Gross carrying amount, Building & Improvements 4,572      
Total 7,145      
Accumulated Depreciation $ 596      
Seattle | Olympic        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 1,499      
Initial Cost of Buildings & Improvements 1,431      
Costs Capitalized Subsequent to Acquisition 536      
Gross carrying amount, Land 1,499      
Gross carrying amount, Building & Improvements 1,967      
Total 3,466      
Accumulated Depreciation $ 554      
Seattle | SeaTac 8th Ave        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,501      
Initial Cost of Buildings & Improvements 4,020      
Costs Capitalized Subsequent to Acquisition 1,915      
Gross carrying amount, Land 2,501      
Gross carrying amount, Building & Improvements 5,935      
Total 8,436      
Accumulated Depreciation $ 1,355      
Seattle | SE 32nd St        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 9,059      
Initial Cost of Buildings & Improvements 2,081      
Costs Capitalized Subsequent to Acquisition 0      
Gross carrying amount, Land 9,059      
Gross carrying amount, Building & Improvements 2,081      
Total 11,140      
Accumulated Depreciation $ 7      
Seattle | SW 34th        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,912      
Initial Cost of Buildings & Improvements 3,289      
Costs Capitalized Subsequent to Acquisition 498      
Gross carrying amount, Land 2,912      
Gross carrying amount, Building & Improvements 3,787      
Total 6,699      
Accumulated Depreciation $ 775      
Seattle | Valley Corporate        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 5,264      
Initial Cost of Buildings & Improvements 9,096      
Costs Capitalized Subsequent to Acquisition 1,916      
Gross carrying amount, Land 5,264      
Gross carrying amount, Building & Improvements 11,012      
Total 16,276      
Accumulated Depreciation $ 3,064      
Miami | 26th Street        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,444      
Initial Cost of Buildings & Improvements 4,558      
Costs Capitalized Subsequent to Acquisition 1,178      
Gross carrying amount, Land 3,444      
Gross carrying amount, Building & Improvements 5,736      
Total 9,180      
Accumulated Depreciation $ 1,178      
Miami | 48th Avenue        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 4,322      
Initial Cost of Buildings & Improvements 2,187      
Costs Capitalized Subsequent to Acquisition 586      
Gross carrying amount, Land 4,322      
Gross carrying amount, Building & Improvements 2,773      
Total 7,095      
Accumulated Depreciation $ 634      
Miami | 70th Avenue        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 1,434      
Initial Cost of Buildings & Improvements 2,333      
Costs Capitalized Subsequent to Acquisition 198      
Gross carrying amount, Land 1,434      
Gross carrying amount, Building & Improvements 2,531      
Total 3,965      
Accumulated Depreciation $ 674      
Miami | 70th Avenue II        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,152      
Initial Cost of Buildings & Improvements 3,418      
Costs Capitalized Subsequent to Acquisition 553      
Gross carrying amount, Land 2,152      
Gross carrying amount, Building & Improvements 3,971      
Total 6,123      
Accumulated Depreciation $ 557      
Miami | 70th Avenue III        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,543      
Initial Cost of Buildings & Improvements 3,167      
Costs Capitalized Subsequent to Acquisition 690      
Gross carrying amount, Land 2,543      
Gross carrying amount, Building & Improvements 3,857      
Total 6,400      
Accumulated Depreciation $ 454      
Miami | 70th Avenue IV        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 1,119      
Initial Cost of Buildings & Improvements 1,456      
Costs Capitalized Subsequent to Acquisition 329      
Gross carrying amount, Land 1,119      
Gross carrying amount, Building & Improvements 1,785      
Total 2,904      
Accumulated Depreciation $ 186      
Miami | 70th Avenue V        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 5,036      
Initial Cost of Buildings & Improvements 3,419      
Costs Capitalized Subsequent to Acquisition 1,526      
Gross carrying amount, Land 5,036      
Gross carrying amount, Building & Improvements 4,945      
Total 9,981      
Accumulated Depreciation $ 320      
Miami | 74th Avenue        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,327      
Initial Cost of Buildings & Improvements 3,538      
Costs Capitalized Subsequent to Acquisition 646      
Gross carrying amount, Land 2,327      
Gross carrying amount, Building & Improvements 4,184      
Total 6,511      
Accumulated Depreciation $ 531      
Miami | 78th Avenue        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,445      
Initial Cost of Buildings & Improvements 1,755      
Costs Capitalized Subsequent to Acquisition 2,840      
Gross carrying amount, Land 2,445      
Gross carrying amount, Building & Improvements 4,595      
Total 7,040      
Accumulated Depreciation $ 1,305      
Miami | 81st Street        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 2      
Encumbrances $ 0      
Initial Cost of Land 2,938      
Initial Cost of Buildings & Improvements 5,242      
Costs Capitalized Subsequent to Acquisition 1,315      
Gross carrying amount, Land 2,938      
Gross carrying amount, Building & Improvements 6,557      
Total 9,495      
Accumulated Depreciation $ 1,301      
Miami | 94th Avenue        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,000      
Initial Cost of Buildings & Improvements 3,580      
Costs Capitalized Subsequent to Acquisition 352      
Gross carrying amount, Land 3,000      
Gross carrying amount, Building & Improvements 3,932      
Total 6,932      
Accumulated Depreciation $ 365      
Miami | 107th Avenue        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,787      
Initial Cost of Buildings & Improvements 2,036      
Costs Capitalized Subsequent to Acquisition 506      
Gross carrying amount, Land 2,787      
Gross carrying amount, Building & Improvements 2,542      
Total 5,329      
Accumulated Depreciation $ 715      
Miami | 101st Road        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,647      
Initial Cost of Buildings & Improvements 3,258      
Costs Capitalized Subsequent to Acquisition 468      
Gross carrying amount, Land 2,647      
Gross carrying amount, Building & Improvements 3,726      
Total 6,373      
Accumulated Depreciation $ 959      
Miami | 131st Street        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,903      
Initial Cost of Buildings & Improvements 5,729      
Costs Capitalized Subsequent to Acquisition 599      
Gross carrying amount, Land 2,903      
Gross carrying amount, Building & Improvements 6,328      
Total 9,231      
Accumulated Depreciation $ 1,257      
Miami | 12950 SW South River        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 1,971      
Initial Cost of Buildings & Improvements 4,029      
Costs Capitalized Subsequent to Acquisition 739      
Gross carrying amount, Land 1,971      
Gross carrying amount, Building & Improvements 4,768      
Total 6,739      
Accumulated Depreciation $ 581      
Miami | Americas Gateway        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 6      
Encumbrances $ 0      
Initial Cost of Land 11,152      
Initial Cost of Buildings & Improvements 11,721      
Costs Capitalized Subsequent to Acquisition 3,734      
Gross carrying amount, Land 11,152      
Gross carrying amount, Building & Improvements 15,455      
Total 26,607      
Accumulated Depreciation $ 4,131      
Miami | Miami International Trade Center        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 4      
Encumbrances $ 0      
Initial Cost of Land 5,063      
Initial Cost of Buildings & Improvements 10,958      
Costs Capitalized Subsequent to Acquisition 1,694      
Gross carrying amount, Land 5,063      
Gross carrying amount, Building & Improvements 12,652      
Total 17,715      
Accumulated Depreciation $ 2,059      
Washington D.C. | 75th Ave        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 5      
Encumbrances $ 0      
Initial Cost of Land 10,658      
Initial Cost of Buildings & Improvements 18,615      
Costs Capitalized Subsequent to Acquisition 4,757      
Gross carrying amount, Land 10,658      
Gross carrying amount, Building & Improvements 23,372      
Total 34,030      
Accumulated Depreciation $ 4,264      
Washington D.C. | 2920 V Street        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,248      
Initial Cost of Buildings & Improvements 1,670      
Costs Capitalized Subsequent to Acquisition 1,499      
Gross carrying amount, Land 2,248      
Gross carrying amount, Building & Improvements 3,169      
Total 5,417      
Accumulated Depreciation $ 336      
Washington D.C. | 3601 Pennsy        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 2,331      
Initial Cost of Buildings & Improvements 4,375      
Costs Capitalized Subsequent to Acquisition 1,219      
Gross carrying amount, Land 2,331      
Gross carrying amount, Building & Improvements 5,594      
Total 7,925      
Accumulated Depreciation 1,192      
Washington D.C. | 4230 Forbes        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Initial Cost of Land 1,736      
Initial Cost of Buildings & Improvements 2,395      
Costs Capitalized Subsequent to Acquisition 1,130      
Gross carrying amount, Land 1,736      
Gross carrying amount, Building & Improvements 3,525      
Total 5,261      
Accumulated Depreciation $ 643      
Washington D.C. | Business Parkway        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 1      
Encumbrances $ 0      
Initial Cost of Land 3,038      
Initial Cost of Buildings & Improvements 3,007      
Costs Capitalized Subsequent to Acquisition 1      
Gross carrying amount, Land 3,038      
Gross carrying amount, Building & Improvements 3,008      
Total 6,046      
Accumulated Depreciation $ 347      
Washington D.C. | Hampton Overlook        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 3      
Encumbrances $ 0      
Initial Cost of Land 4,602      
Initial Cost of Buildings & Improvements 7,521      
Costs Capitalized Subsequent to Acquisition 993      
Gross carrying amount, Land 4,602      
Gross carrying amount, Building & Improvements 8,514      
Total 13,116      
Accumulated Depreciation $ 1,081      
Washington D.C. | New Ridge        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 0      
Encumbrances $ 0      
Initial Cost of Land 5,689      
Initial Cost of Buildings & Improvements 1,567      
Costs Capitalized Subsequent to Acquisition 443      
Gross carrying amount, Land 5,689      
Gross carrying amount, Building & Improvements 2,010      
Total 7,699      
Accumulated Depreciation 247      
Washington D.C. | Parkway        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Land 1,138,235      
Gross carrying amount, Land 1,138,233      
Washington D.C. | Parkway | Real estate investment property, excluding unamortized net deferred financing costs        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Total 2,080,921      
Accumulated Depreciation $ 169,708      
Washington D.C. | V Street        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
No. of Bldgs. | property 6      
Encumbrances $ 0      
Initial Cost of Land 67,132      
Initial Cost of Buildings & Improvements 41,299      
Costs Capitalized Subsequent to Acquisition 13,756      
Gross carrying amount, Land 67,132      
Gross carrying amount, Building & Improvements 55,055      
Total 122,187      
Accumulated Depreciation $ 10,370