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Schedule III - Real Estate and Accumulated Depreciation - Section 1 (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 $ 1,917,132      
Land 2,884,968      
Buildings, Fixtures and Improvements 10,791,126      
Costs Capitalized Subsequent to Acquisition (83,654)      
Gross Amount Carried at December 31, 2018 13,592,440 $ 13,577,700 $ 13,539,921 $ 14,566,343
Accumulated Depreciation (2,622,879) $ (2,217,108) $ (1,766,006) $ (1,331,751)
24 Hour Fitness [Member] | Woodlands, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 2,690      
Buildings, Fixtures and Improvements 7,463      
Costs Capitalized Subsequent to Acquisition 126      
Gross Amount Carried at December 31, 2018 10,279      
Accumulated Depreciation (2,677)      
7-Eleven [Member] | Sarasota, FL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,312      
Buildings, Fixtures and Improvements 1,312      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,624      
Accumulated Depreciation (410)      
7-Eleven [Member] | La Feria, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 219      
Buildings, Fixtures and Improvements 1,970      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,189      
Accumulated Depreciation (602)      
7-Eleven [Member] | Pharr, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 281      
Buildings, Fixtures and Improvements 2,531      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,812      
Accumulated Depreciation (773)      
7-Eleven [Member] | Rio Hondo, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 293      
Buildings, Fixtures and Improvements 2,640      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,933      
Accumulated Depreciation (807)      
7-Eleven [Member] | Gloucester, VA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 144      
Buildings, Fixtures and Improvements 578      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 722      
Accumulated Depreciation (179)      
7-Eleven [Member] | Hampton, VA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 69      
Buildings, Fixtures and Improvements 624      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 693      
Accumulated Depreciation (193)      
7-Eleven [Member] | Hampton, VA 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 161      
Buildings, Fixtures and Improvements 644      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 805      
Accumulated Depreciation (200)      
AAA [Member] | Oklahoma City, OK [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 3,639      
Buildings, Fixtures and Improvements 32,567      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 36,206      
Accumulated Depreciation (8,038)      
Aaron's [Member] | Oneonta, AL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 614      
Land 205      
Buildings, Fixtures and Improvements 1,080      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,285      
Accumulated Depreciation (294)      
Aaron's [Member] | Oxford, AL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 278      
Buildings, Fixtures and Improvements 748      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,026      
Accumulated Depreciation (189)      
Aaron's [Member] | Valley, AL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 409      
Land 141      
Buildings, Fixtures and Improvements 827      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 968      
Accumulated Depreciation (213)      
Aaron's [Member] | El Dorado, AR [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 238      
Buildings, Fixtures and Improvements 743      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 981      
Accumulated Depreciation (212)      
Aaron's [Member] | Springdale, AR [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 624      
Land 513      
Buildings, Fixtures and Improvements 916      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,429      
Accumulated Depreciation (258)      
Aaron's [Member] | Auburndale, FL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 2,647      
Land 1,351      
Buildings, Fixtures and Improvements 5,127      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 6,478      
Accumulated Depreciation (1,373)      
Aaron's [Member] | Pensacola, FL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 159      
Buildings, Fixtures and Improvements 924      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,083      
Accumulated Depreciation (237)      
Aaron's [Member] | Statesboro, GA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 351      
Buildings, Fixtures and Improvements 1,163      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,514      
Accumulated Depreciation (307)      
Aaron's [Member] | Indianapolis, IN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 235      
Buildings, Fixtures and Improvements 1,071      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,306      
Accumulated Depreciation (270)      
Aaron's [Member] | Lafayette, IN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 550      
Land 404      
Buildings, Fixtures and Improvements 652      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,056      
Accumulated Depreciation (203)      
Aaron's [Member] | Mansura, LA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 81      
Buildings, Fixtures and Improvements 497      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 578      
Accumulated Depreciation (146)      
Aaron's [Member] | Minden, LA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 323      
Buildings, Fixtures and Improvements 1,043      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,366      
Accumulated Depreciation (320)      
Aaron's [Member] | Battle Creek, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 286      
Buildings, Fixtures and Improvements 843      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,129      
Accumulated Depreciation (222)      
Aaron's [Member] | Benton Harbor, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 217      
Buildings, Fixtures and Improvements 924      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,141      
Accumulated Depreciation (246)      
Aaron's [Member] | Redford, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 434      
Land 125      
Buildings, Fixtures and Improvements 698      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 823      
Accumulated Depreciation (209)      
Aaron's [Member] | Kennett, MO [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 319      
Land 203      
Buildings, Fixtures and Improvements 473      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 676      
Accumulated Depreciation (136)      
Aaron's [Member] | Greenwood, MS [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 156      
Buildings, Fixtures and Improvements 967      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,123      
Accumulated Depreciation (266)      
Aaron's [Member] | Magnolia, MS [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 1,473      
Land 287      
Buildings, Fixtures and Improvements 2,791      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 3,078      
Accumulated Depreciation (687)      
Aaron's [Member] | Charlotte, NC [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 579      
Land 308      
Buildings, Fixtures and Improvements 1,201      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,509      
Accumulated Depreciation (299)      
Aaron's [Member] | Bowling Green, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 564      
Land 326      
Buildings, Fixtures and Improvements 928      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,254      
Accumulated Depreciation (262)      
Aaron's [Member] | Kent, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 614      
Land 245      
Buildings, Fixtures and Improvements 1,080      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,325      
Accumulated Depreciation (311)      
Aaron's [Member] | North Olmsted, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 449      
Land 218      
Buildings, Fixtures and Improvements 753      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 971      
Accumulated Depreciation (224)      
Aaron's [Member] | Shawnee, OK [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 303      
Buildings, Fixtures and Improvements 1,135      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,438      
Accumulated Depreciation (311)      
Aaron's [Member] | Bloomsburg, PA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 400      
Land 224      
Buildings, Fixtures and Improvements 856      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,080      
Accumulated Depreciation (219)      
Aaron's [Member] | Meadville, PA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 237      
Buildings, Fixtures and Improvements 1,224      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,461      
Accumulated Depreciation (326)      
Aaron's [Member] | Columbia, SC [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 576      
Buildings, Fixtures and Improvements 1,010      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,586      
Accumulated Depreciation (259)      
Aaron's [Member] | Marion, SC [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 319      
Land 100      
Buildings, Fixtures and Improvements 685      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 785      
Accumulated Depreciation (177)      
Aaron's [Member] | Chattanooga, TN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 480      
Buildings, Fixtures and Improvements 1,075      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,555      
Accumulated Depreciation (252)      
Aaron's [Member] | Copperas Cove, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 423      
Buildings, Fixtures and Improvements 1,341      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,764      
Accumulated Depreciation (347)      
Aaron's [Member] | Haltom City, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 858      
Buildings, Fixtures and Improvements 1,024      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,882      
Accumulated Depreciation (291)      
Aaron's [Member] | Humble, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 548      
Buildings, Fixtures and Improvements 1,146      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,694      
Accumulated Depreciation (304)      
Aaron's [Member] | Killeen, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 815      
Buildings, Fixtures and Improvements 3,244      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 4,059      
Accumulated Depreciation (840)      
Aaron's [Member] | Kingsville, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 599      
Land 345      
Buildings, Fixtures and Improvements 1,040      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,385      
Accumulated Depreciation (270)      
Aaron's [Member] | Livingston, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 173      
Buildings, Fixtures and Improvements 1,498      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,671      
Accumulated Depreciation (388)      
Aaron's [Member] | Mexia, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 126      
Buildings, Fixtures and Improvements 1,186      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,312      
Accumulated Depreciation (309)      
Aaron's [Member] | Mission, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 549      
Land 324      
Buildings, Fixtures and Improvements 954      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,278      
Accumulated Depreciation (246)      
Aaron's [Member] | Odessa, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 99      
Buildings, Fixtures and Improvements 768      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 867      
Accumulated Depreciation (206)      
Aaron's [Member] | Pasadena, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 444      
Buildings, Fixtures and Improvements 1,231      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,675      
Accumulated Depreciation (325)      
Aaron's [Member] | Port Lavaca, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 160      
Buildings, Fixtures and Improvements 1,274      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,434      
Accumulated Depreciation (333)      
Aaron's [Member] | Texas City, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 275      
Buildings, Fixtures and Improvements 2,156      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,431      
Accumulated Depreciation (556)      
Aaron's [Member] | Richmond, VA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 508      
Buildings, Fixtures and Improvements 1,435      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,943      
Accumulated Depreciation (422)      
Abbott Laboratories [Member] | Waukegan, IL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 4,734      
Buildings, Fixtures and Improvements 21,319      
Costs Capitalized Subsequent to Acquisition 1,917      
Gross Amount Carried at December 31, 2018 27,970      
Accumulated Depreciation (5,703)      
Abuelo's [Member] | Rogers, AR [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 825      
Buildings, Fixtures and Improvements 2,296      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 3,121      
Accumulated Depreciation (697)      
Academy Sports [Member] | Killeen, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 3,165      
Land 2,779      
Buildings, Fixtures and Improvements 5,321      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 8,100      
Accumulated Depreciation (1,266)      
Academy Sports [Member] | Mobile, AL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,311      
Buildings, Fixtures and Improvements 7,431      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 8,742      
Accumulated Depreciation (1,818)      
Academy Sports [Member] | Montgomery, AL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,869      
Buildings, Fixtures and Improvements 6,385      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 8,254      
Accumulated Depreciation (1,802)      
Academy Sports [Member] | Fayetteville, AR [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 7,290      
Land 1,900      
Buildings, Fixtures and Improvements 7,601      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 9,501      
Accumulated Depreciation (2,862)      
Academy Sports [Member] | Dalton, GA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 4,965      
Land 998      
Buildings, Fixtures and Improvements 5,656      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 6,654      
Accumulated Depreciation (2,107)      
Academy Sports [Member] | Bossier City, LA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 2,906      
Buildings, Fixtures and Improvements 6,555      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 9,461      
Accumulated Depreciation (1,702)      
Academy Sports [Member] | Johnson City, TN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,902      
Buildings, Fixtures and Improvements 6,440      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 8,342      
Accumulated Depreciation (399)      
Academy Sports [Member] | Smyrna, TN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 2,109      
Buildings, Fixtures and Improvements 8,434      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 10,543      
Accumulated Depreciation (2,064)      
Academy Sports [Member] | Austin, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 5,044      
Land 4,216      
Buildings, Fixtures and Improvements 8,755      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 12,971      
Accumulated Depreciation (1,935)      
Academy Sports [Member] | Fort Worth, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 2,072      
Buildings, Fixtures and Improvements 8,329      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 10,401      
Accumulated Depreciation (1,863)      
Academy Sports [Member] | Laredo, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 2,782      
Buildings, Fixtures and Improvements 8,111      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 10,893      
Accumulated Depreciation (1,884)      
Accomplishments Through People [Member] | Columbus, GA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 170      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 170      
Accumulated Depreciation 0      
Advance Auto Parts [Member] | Oklahoma City, OK [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 208      
Buildings, Fixtures and Improvements 1,178      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,386      
Accumulated Depreciation (377)      
Advance Auto Parts [Member] | Charlotte, NC [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 723      
Buildings, Fixtures and Improvements 883      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,606      
Accumulated Depreciation (226)      
Advance Auto Parts [Member] | Humble, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 420      
Buildings, Fixtures and Improvements 1,404      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,824      
Accumulated Depreciation (338)      
Advance Auto Parts [Member] | Pasadena, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 382      
Buildings, Fixtures and Improvements 1,146      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,528      
Accumulated Depreciation (369)      
Advance Auto Parts [Member] | Birmingham, AL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 455      
Buildings, Fixtures and Improvements 373      
Costs Capitalized Subsequent to Acquisition 58      
Gross Amount Carried at December 31, 2018 886      
Accumulated Depreciation (115)      
Advance Auto Parts [Member] | Birmingham, AL 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 330      
Buildings, Fixtures and Improvements 494      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 824      
Accumulated Depreciation (151)      
Advance Auto Parts [Member] | Calera, AL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 723      
Buildings, Fixtures and Improvements 723      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,446      
Accumulated Depreciation (224)      
Advance Auto Parts [Member] | Dothan, AL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 326      
Buildings, Fixtures and Improvements 326      
Costs Capitalized Subsequent to Acquisition (7)      
Gross Amount Carried at December 31, 2018 645      
Accumulated Depreciation (100)      
Advance Auto Parts [Member] | Enterprise, AL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 280      
Buildings, Fixtures and Improvements 420      
Costs Capitalized Subsequent to Acquisition (6)      
Gross Amount Carried at December 31, 2018 694      
Accumulated Depreciation (129)      
Advance Auto Parts [Member] | Opelika, AL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 289      
Buildings, Fixtures and Improvements 1,156      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,445      
Accumulated Depreciation (348)      
Advance Auto Parts [Member] | Brooklyn, CT [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 324      
Buildings, Fixtures and Improvements 1,429      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,753      
Accumulated Depreciation (242)      
Advance Auto Parts [Member] | Bonita Springs, FL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 1,561      
Land 1,219      
Buildings, Fixtures and Improvements 1,552      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,771      
Accumulated Depreciation (432)      
Advance Auto Parts [Member] | Lehigh Acres, FL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 1,425      
Land 379      
Buildings, Fixtures and Improvements 2,016      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,395      
Accumulated Depreciation (513)      
Advance Auto Parts [Member] | Albany, GA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 210      
Buildings, Fixtures and Improvements 629      
Costs Capitalized Subsequent to Acquisition 65      
Gross Amount Carried at December 31, 2018 904      
Accumulated Depreciation (196)      
Advance Auto Parts [Member] | Cairo, GA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 140      
Buildings, Fixtures and Improvements 326      
Costs Capitalized Subsequent to Acquisition (24)      
Gross Amount Carried at December 31, 2018 442      
Accumulated Depreciation (97)      
Advance Auto Parts [Member] | Hazlehurst, GA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 113      
Buildings, Fixtures and Improvements 451      
Costs Capitalized Subsequent to Acquisition 55      
Gross Amount Carried at December 31, 2018 619      
Accumulated Depreciation (140)      
Advance Auto Parts [Member] | Hinesville, GA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 352      
Buildings, Fixtures and Improvements 430      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 782      
Accumulated Depreciation (133)      
Advance Auto Parts [Member] | Perry, GA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 209      
Buildings, Fixtures and Improvements 487      
Costs Capitalized Subsequent to Acquisition (1)      
Gross Amount Carried at December 31, 2018 695      
Accumulated Depreciation (151)      
Advance Auto Parts [Member] | Thomasville, GA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 251      
Buildings, Fixtures and Improvements 377      
Costs Capitalized Subsequent to Acquisition (30)      
Gross Amount Carried at December 31, 2018 598      
Accumulated Depreciation (112)      
Advance Auto Parts [Member] | Auburn, IN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 337      
Buildings, Fixtures and Improvements 1,347      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,684      
Accumulated Depreciation (446)      
Advance Auto Parts [Member] | Bedford, IN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 760      
Land 100      
Buildings, Fixtures and Improvements 1,386      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,486      
Accumulated Depreciation (346)      
Advance Auto Parts [Member] | Clinton, IN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 182      
Buildings, Fixtures and Improvements 729      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 911      
Accumulated Depreciation (216)      
Advance Auto Parts [Member] | Fort Wayne, IN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 193      
Buildings, Fixtures and Improvements 450      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 643      
Accumulated Depreciation (137)      
Advance Auto Parts [Member] | Fort Wayne, IN 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 200      
Buildings, Fixtures and Improvements 371      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 571      
Accumulated Depreciation (113)      
Advance Auto Parts [Member] | Franklin, IN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 738      
Land 511      
Buildings, Fixtures and Improvements 1,256      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,767      
Accumulated Depreciation (305)      
Advance Auto Parts [Member] | Mishawaka, IN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 429      
Buildings, Fixtures and Improvements 1,373      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,802      
Accumulated Depreciation (342)      
Advance Auto Parts [Member] | Richmond, IN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 377      
Buildings, Fixtures and Improvements 1,616      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,993      
Accumulated Depreciation (396)      
Advance Auto Parts [Member] | Salina, KS [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 195      
Buildings, Fixtures and Improvements 782      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 977      
Accumulated Depreciation (235)      
Advance Auto Parts [Member] | Barbourville, KY [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 194      
Buildings, Fixtures and Improvements 1,098      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,292      
Accumulated Depreciation (330)      
Advance Auto Parts [Member] | Bardstown, KY [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 272      
Buildings, Fixtures and Improvements 1,090      
Costs Capitalized Subsequent to Acquisition 234      
Gross Amount Carried at December 31, 2018 1,596      
Accumulated Depreciation (342)      
Advance Auto Parts [Member] | Brandenburg, KY [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 186      
Buildings, Fixtures and Improvements 742      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 928      
Accumulated Depreciation (230)      
Advance Auto Parts [Member] | Crestwood, KY [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 1,030      
Land 400      
Buildings, Fixtures and Improvements 1,546      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,946      
Accumulated Depreciation (374)      
Advance Auto Parts [Member] | Florence, KY [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 550      
Buildings, Fixtures and Improvements 1,280      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,830      
Accumulated Depreciation (328)      
Advance Auto Parts [Member] | Frankfort, KY [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 833      
Buildings, Fixtures and Improvements 1,034      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,867      
Accumulated Depreciation (254)      
Advance Auto Parts [Member] | Georgetown, KY [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 510      
Buildings, Fixtures and Improvements 1,323      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,833      
Accumulated Depreciation (315)      
Advance Auto Parts [Member] | Hardinsburg, KY [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 94      
Buildings, Fixtures and Improvements 845      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 939      
Accumulated Depreciation (262)      
Advance Auto Parts [Member] | Inez, KY [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 130      
Buildings, Fixtures and Improvements 1,174      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,304      
Accumulated Depreciation (375)      
Advance Auto Parts [Member] | Leitchfield, KY [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 104      
Buildings, Fixtures and Improvements 939      
Costs Capitalized Subsequent to Acquisition (5)      
Gross Amount Carried at December 31, 2018 1,038      
Accumulated Depreciation (289)      
Advance Auto Parts [Member] | Louisville, KY [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 740      
Land 336      
Buildings, Fixtures and Improvements 1,289      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,625      
Accumulated Depreciation (312)      
Advance Auto Parts [Member] | West Liberty, KY [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 249      
Buildings, Fixtures and Improvements 996      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,245      
Accumulated Depreciation (300)      
Advance Auto Parts [Member] | Rayne, LA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 122      
Buildings, Fixtures and Improvements 490      
Costs Capitalized Subsequent to Acquisition 84      
Gross Amount Carried at December 31, 2018 696      
Accumulated Depreciation (150)      
Advance Auto Parts [Member] | Brownstown, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 482      
Buildings, Fixtures and Improvements 1,760      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,242      
Accumulated Depreciation (430)      
Advance Auto Parts [Member] | Caro, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 117      
Buildings, Fixtures and Improvements 665      
Costs Capitalized Subsequent to Acquisition (9)      
Gross Amount Carried at December 31, 2018 773      
Accumulated Depreciation (225)      
Advance Auto Parts [Member] | Charlotte, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 123      
Buildings, Fixtures and Improvements 697      
Costs Capitalized Subsequent to Acquisition 92      
Gross Amount Carried at December 31, 2018 912      
Accumulated Depreciation (238)      
Advance Auto Parts [Member] | Flint, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 133      
Buildings, Fixtures and Improvements 534      
Costs Capitalized Subsequent to Acquisition (3)      
Gross Amount Carried at December 31, 2018 664      
Accumulated Depreciation (181)      
Advance Auto Parts [Member] | Grand Rapids, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 657      
Land 368      
Buildings, Fixtures and Improvements 1,296      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,664      
Accumulated Depreciation (307)      
Advance Auto Parts [Member] | Howell, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 830      
Land 439      
Buildings, Fixtures and Improvements 1,471      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,910      
Accumulated Depreciation (356)      
Advance Auto Parts [Member] | Livonia, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 210      
Buildings, Fixtures and Improvements 643      
Costs Capitalized Subsequent to Acquisition 49      
Gross Amount Carried at December 31, 2018 902      
Accumulated Depreciation (219)      
Advance Auto Parts [Member] | Manistee, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 348      
Buildings, Fixtures and Improvements 1,043      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,391      
Accumulated Depreciation (314)      
Advance Auto Parts [Member] | Monroe, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 549      
Buildings, Fixtures and Improvements 1,434      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,983      
Accumulated Depreciation (353)      
Advance Auto Parts [Member] | Romulus, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 422      
Buildings, Fixtures and Improvements 1,568      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,990      
Accumulated Depreciation (394)      
Advance Auto Parts [Member] | Sault Ste. Marie, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 75      
Buildings, Fixtures and Improvements 671      
Costs Capitalized Subsequent to Acquisition 80      
Gross Amount Carried at December 31, 2018 826      
Accumulated Depreciation (240)      
Advance Auto Parts [Member] | South Lyon, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 402      
Buildings, Fixtures and Improvements 1,607      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,009      
Accumulated Depreciation (390)      
Advance Auto Parts [Member] | Tecumseh, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 281      
Buildings, Fixtures and Improvements 1,214      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,495      
Accumulated Depreciation (290)      
Advance Auto Parts [Member] | Washington Twnshp, MI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 645      
Buildings, Fixtures and Improvements 1,711      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,356      
Accumulated Depreciation (421)      
Advance Auto Parts [Member] | Tupelo, MS [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 258      
Buildings, Fixtures and Improvements 427      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 685      
Accumulated Depreciation (136)      
Advance Auto Parts [Member] | Candler, NC [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 399      
Buildings, Fixtures and Improvements 1,202      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,601      
Accumulated Depreciation (299)      
Advance Auto Parts [Member] | Eden, NC [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 320      
Buildings, Fixtures and Improvements 746      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,066      
Accumulated Depreciation (219)      
Advance Auto Parts [Member] | Granite Falls, NC [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 251      
Buildings, Fixtures and Improvements 1,005      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,256      
Accumulated Depreciation (321)      
Advance Auto Parts [Member] | Rocky Mount, NC [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 348      
Buildings, Fixtures and Improvements 836      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,184      
Accumulated Depreciation (244)      
Advance Auto Parts [Member] | Lakewood, NJ [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 750      
Buildings, Fixtures and Improvements 1,750      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,500      
Accumulated Depreciation (559)      
Advance Auto Parts [Member] | Woodbury, NJ [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 446      
Buildings, Fixtures and Improvements 1,784      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,230      
Accumulated Depreciation (578)      
Advance Auto Parts [Member] | Bethel, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 730      
Land 234      
Buildings, Fixtures and Improvements 1,305      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,539      
Accumulated Depreciation (325)      
Advance Auto Parts [Member] | Canton, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 629      
Land 443      
Buildings, Fixtures and Improvements 1,206      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,649      
Accumulated Depreciation (315)      
Advance Auto Parts [Member] | Dayton, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 470      
Buildings, Fixtures and Improvements 1,349      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,819      
Accumulated Depreciation (344)      
Advance Auto Parts [Member] | Delaware, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 696      
Land 502      
Buildings, Fixtures and Improvements 1,274      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,776      
Accumulated Depreciation (322)      
Advance Auto Parts [Member] | Eaton, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 157      
Buildings, Fixtures and Improvements 471      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 628      
Accumulated Depreciation (140)      
Advance Auto Parts [Member] | Franklin, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 218      
Buildings, Fixtures and Improvements 873      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,091      
Accumulated Depreciation (279)      
Advance Auto Parts [Member] | Holland, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 638      
Land 131      
Buildings, Fixtures and Improvements 1,453      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,584      
Accumulated Depreciation (355)      
Advance Auto Parts [Member] | Massillon, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 218      
Buildings, Fixtures and Improvements 1,987      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,205      
Accumulated Depreciation (493)      
Advance Auto Parts [Member] | Salem, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 660      
Land 267      
Buildings, Fixtures and Improvements 1,147      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,414      
Accumulated Depreciation (286)      
Advance Auto Parts [Member] | Springfield, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 461      
Buildings, Fixtures and Improvements 1,075      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,536      
Accumulated Depreciation (333)      
Advance Auto Parts [Member] | Toledo, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 610      
Land 116      
Buildings, Fixtures and Improvements 1,375      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,491      
Accumulated Depreciation (336)      
Advance Auto Parts [Member] | Twinsburg, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 610      
Land 486      
Buildings, Fixtures and Improvements 1,004      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,490      
Accumulated Depreciation (257)      
Advance Auto Parts [Member] | Van Wert, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 33      
Buildings, Fixtures and Improvements 630      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 663      
Accumulated Depreciation (187)      
Advance Auto Parts [Member] | Vermilion, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 337      
Buildings, Fixtures and Improvements 1,079      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,416      
Accumulated Depreciation (287)      
Advance Auto Parts [Member] | Warren, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 83      
Buildings, Fixtures and Improvements 745      
Costs Capitalized Subsequent to Acquisition (2)      
Gross Amount Carried at December 31, 2018 826      
Accumulated Depreciation (244)      
Advance Auto Parts [Member] | Sapulpa, OK [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 704      
Land 362      
Buildings, Fixtures and Improvements 1,300      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,662      
Accumulated Depreciation (308)      
Advance Auto Parts [Member] | Chambersburg, PA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 553      
Buildings, Fixtures and Improvements 830      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,383      
Accumulated Depreciation (253)      
Advance Auto Parts [Member] | Selinsgrove, PA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 99      
Buildings, Fixtures and Improvements 891      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 990      
Accumulated Depreciation (264)      
Advance Auto Parts [Member] | Titusville, PA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 207      
Buildings, Fixtures and Improvements 1,172      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,379      
Accumulated Depreciation (364)      
Advance Auto Parts [Member] | Chapin, SC [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 395      
Buildings, Fixtures and Improvements 922      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,317      
Accumulated Depreciation (299)      
Advance Auto Parts [Member] | Chesterfield, SC [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 131      
Buildings, Fixtures and Improvements 745      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 876      
Accumulated Depreciation (241)      
Advance Auto Parts [Member] | Greenwood, SC [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 210      
Buildings, Fixtures and Improvements 630      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 840      
Accumulated Depreciation (209)      
Advance Auto Parts [Member] | Rock Hill, SC [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 506      
Buildings, Fixtures and Improvements 915      
Costs Capitalized Subsequent to Acquisition 44      
Gross Amount Carried at December 31, 2018 1,465      
Accumulated Depreciation (229)      
Advance Auto Parts [Member] | Sweetwater, TN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 360      
Buildings, Fixtures and Improvements 839      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,199      
Accumulated Depreciation (262)      
Advance Auto Parts [Member] | Alton, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 169      
Buildings, Fixtures and Improvements 958      
Costs Capitalized Subsequent to Acquisition (3)      
Gross Amount Carried at December 31, 2018 1,124      
Accumulated Depreciation (301)      
Advance Auto Parts [Member] | Deer Park, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 295      
Buildings, Fixtures and Improvements 1,507      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,802      
Accumulated Depreciation (361)      
Advance Auto Parts [Member] | Houston, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 800      
Land 343      
Buildings, Fixtures and Improvements 1,029      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,372      
Accumulated Depreciation (355)      
Advance Auto Parts [Member] | Houston, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 800      
Land 248      
Buildings, Fixtures and Improvements 991      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,239      
Accumulated Depreciation (342)      
Advance Auto Parts [Member] | Houston, TX 3 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 837      
Buildings, Fixtures and Improvements 685      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,522      
Accumulated Depreciation (219)      
Advance Auto Parts [Member] | Houston, TX 4 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 285      
Buildings, Fixtures and Improvements 1,405      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,690      
Accumulated Depreciation (338)      
Advance Auto Parts [Member] | Houston, TX 5 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 225      
Buildings, Fixtures and Improvements 1,293      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,518      
Accumulated Depreciation (310)      
Advance Auto Parts [Member] | Houston, TX 6 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 189      
Buildings, Fixtures and Improvements 1,666      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,855      
Accumulated Depreciation (397)      
Advance Auto Parts [Member] | Huntsville, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 327      
Buildings, Fixtures and Improvements 1,278      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,605      
Accumulated Depreciation (308)      
Advance Auto Parts [Member] | Kingwood, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 419      
Buildings, Fixtures and Improvements 1,392      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,811      
Accumulated Depreciation (336)      
Advance Auto Parts [Member] | Lubbock, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 265      
Buildings, Fixtures and Improvements 1,259      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,524      
Accumulated Depreciation (306)      
Advance Auto Parts [Member] | Spring, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 388      
Buildings, Fixtures and Improvements 1,616      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,004      
Accumulated Depreciation (365)      
Advance Auto Parts [Member] | Webster, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 385      
Buildings, Fixtures and Improvements 1,452      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,837      
Accumulated Depreciation (348)      
Advance Auto Parts [Member] | Appleton, WI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 498      
Buildings, Fixtures and Improvements 1,228      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,726      
Accumulated Depreciation (313)      
Advance Auto Parts [Member] | Fort Atkinson, WI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 353      
Buildings, Fixtures and Improvements 824      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,177      
Accumulated Depreciation (240)      
Advance Auto Parts [Member] | Janesville, WI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 939      
Land 299      
Buildings, Fixtures and Improvements 1,695      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,994      
Accumulated Depreciation (420)      
Advance Auto Parts [Member] | Kenosha, WI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 569      
Buildings, Fixtures and Improvements 465      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,034      
Accumulated Depreciation (141)      
Advance Auto Parts [Member] | Milwaukee, WI [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 610      
Buildings, Fixtures and Improvements 1,473      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 2,083      
Accumulated Depreciation (364)      
Advance Auto Parts [Member] | St. Mary's, WV [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 309      
Buildings, Fixtures and Improvements 928      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 1,237      
Accumulated Depreciation (288)      
Aetna Life Insurance [Member] | Fresno, CA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 3,405      
Buildings, Fixtures and Improvements 22,343      
Costs Capitalized Subsequent to Acquisition 2,917      
Gross Amount Carried at December 31, 2018 28,665      
Accumulated Depreciation (2,453)      
AGCO [Member] | Duluth, GA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 8,600      
Land 3,503      
Buildings, Fixtures and Improvements 14,842      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 18,345      
Accumulated Depreciation (3,112)      
Albertson's [Member] | Odessa, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 947      
Buildings, Fixtures and Improvements 8,867      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 9,814      
Accumulated Depreciation (2,364)      
Albertson's [Member] | Bossier City, LA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,949      
Buildings, Fixtures and Improvements 5,125      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 7,074      
Accumulated Depreciation (1,421)      
Albertson's [Member] | Fort Worth, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 2,146      
Buildings, Fixtures and Improvements 4,678      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 6,824      
Accumulated Depreciation (1,353)      
Albertson's [Member] | Lake Havasu City, AZ [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,275      
Buildings, Fixtures and Improvements 5,396      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 6,671      
Accumulated Depreciation (1,546)      
Albertson's [Member] | Mesa, AZ [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,944      
Buildings, Fixtures and Improvements 4,145      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 6,089      
Accumulated Depreciation (1,145)      
Albertson's [Member] | Phoenix, AZ [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 2,456      
Buildings, Fixtures and Improvements 4,628      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 7,084      
Accumulated Depreciation (1,268)      
Albertson's [Member] | Scottsdale, AZ [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 2,872      
Buildings, Fixtures and Improvements 7,943      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 10,815      
Accumulated Depreciation (2,193)      
Albertson's [Member] | Tucson, AZ [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 2,710      
Buildings, Fixtures and Improvements 7,704      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 10,414      
Accumulated Depreciation (2,138)      
Albertson's [Member] | Tucson, AZ 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,642      
Buildings, Fixtures and Improvements 3,587      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 5,229      
Accumulated Depreciation (1,023)      
Albertson's [Member] | Yuma, AZ [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,574      
Buildings, Fixtures and Improvements 6,452      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 8,026      
Accumulated Depreciation (1,802)      
Albertson's [Member] | Denver, CO [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 2,058      
Buildings, Fixtures and Improvements 5,286      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 7,344      
Accumulated Depreciation (1,429)      
Albertson's [Member] | Fort Collins, CO [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,288      
Buildings, Fixtures and Improvements 6,612      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 7,900      
Accumulated Depreciation (1,815)      
Albertson's [Member] | Alexandria, LA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,423      
Buildings, Fixtures and Improvements 6,024      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 7,447      
Accumulated Depreciation (1,729)      
Albertson's [Member] | Baton Rouge, LA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,711      
Buildings, Fixtures and Improvements 7,061      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 8,772      
Accumulated Depreciation (1,998)      
Albertson's [Member] | Baton Rouge, LA 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,932      
Buildings, Fixtures and Improvements 7,836      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 9,768      
Accumulated Depreciation (2,253)      
Albertson's [Member] | Lafayette, LA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,556      
Buildings, Fixtures and Improvements 7,926      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 9,482      
Accumulated Depreciation (2,300)      
Albertson's [Member] | Albuquerque, NM 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 2,950      
Buildings, Fixtures and Improvements 3,388      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 6,338      
Accumulated Depreciation (1,316)      
Albertson's [Member] | Farmington, NM [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,442      
Buildings, Fixtures and Improvements 2,505      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 3,947      
Accumulated Depreciation (889)      
Albertson's [Member] | Las Cruces, NM [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,588      
Buildings, Fixtures and Improvements 5,719      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 7,307      
Accumulated Depreciation (1,996)      
Albertson's [Member] | Los Lunas, NM [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2018 0      
Land 1,105      
Buildings, Fixtures and Improvements 4,770      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2018 5,875      
Accumulated Depreciation $ (1,602)