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Schedule III - Real Estate and Accumulated Depreciation - Section 12 (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 $ 2,071,038      
Land 2,907,509      
Buildings, Fixtures and Improvements 10,769,845      
Costs Capitalized Subsequent to Acquisition (99,654)      
Gross Amount Carried at December 31, 2017 13,577,700 $ 13,539,921 $ 14,566,343 $ 15,857,507
Accumulated Depreciation (2,217,108) $ (1,766,006) $ (1,331,751) $ (775,050)
Golden Corral [Member] | Elyria, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,167      
Buildings, Fixtures and Improvements 1,599      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,766      
Accumulated Depreciation (325)      
Golden Corral [Member] | Fairfield, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 859      
Buildings, Fixtures and Improvements 1,135      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,994      
Accumulated Depreciation (240)      
Golden Corral [Member] | Grove City, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 926      
Buildings, Fixtures and Improvements 1,859      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,785      
Accumulated Depreciation (380)      
Golden Corral [Member] | Northfield, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 947      
Buildings, Fixtures and Improvements 1,061      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,008      
Accumulated Depreciation (210)      
Golden Corral [Member] | Ontario, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 616      
Buildings, Fixtures and Improvements 2,412      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,028      
Accumulated Depreciation (518)      
Golden Corral [Member] | Springfield, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 619      
Buildings, Fixtures and Improvements 1,142      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,761      
Accumulated Depreciation (227)      
Golden Corral [Member] | Toledo, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 838      
Buildings, Fixtures and Improvements 3,333      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,171      
Accumulated Depreciation (664)      
Golden Corral [Member] | Zanesville, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 487      
Buildings, Fixtures and Improvements 2,030      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,517      
Accumulated Depreciation (529)      
Golden Corral [Member] | Midwest City, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,175      
Buildings, Fixtures and Improvements 1,708      
Costs Capitalized Subsequent to Acquisition (983)      
Gross Amount Carried at December 31, 2017 1,900      
Accumulated Depreciation (172)      
Golden Corral [Member] | Norman, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 345      
Buildings, Fixtures and Improvements 2,107      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,452      
Accumulated Depreciation (549)      
Golden Corral [Member] | Tulsa, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 280      
Buildings, Fixtures and Improvements 3,890      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,170      
Accumulated Depreciation (994)      
Golden Corral [Member] | Monroeville, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,647      
Buildings, Fixtures and Improvements 849      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,496      
Accumulated Depreciation (130)      
Golden Corral [Member] | Rock Hill, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 320      
Buildings, Fixtures and Improvements 2,130      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,450      
Accumulated Depreciation (544)      
Golden Corral [Member] | Cookeville, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 800      
Buildings, Fixtures and Improvements 1,937      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,737      
Accumulated Depreciation (495)      
Golden Corral [Member] | Baytown, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 596      
Buildings, Fixtures and Improvements 1,788      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,384      
Accumulated Depreciation (421)      
Golden Corral [Member] | College Station, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,265      
Buildings, Fixtures and Improvements 1,718      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,983      
Accumulated Depreciation (447)      
Golden Corral [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,147      
Buildings, Fixtures and Improvements 2,447      
Costs Capitalized Subsequent to Acquisition (64)      
Gross Amount Carried at December 31, 2017 3,530      
Accumulated Depreciation (637)      
Golden Corral [Member] | San Angelo, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 644      
Buildings, Fixtures and Improvements 1,702      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,346      
Accumulated Depreciation (379)      
Golden Corral [Member] | Spring, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 3,342      
Buildings, Fixtures and Improvements 1,207      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,549      
Accumulated Depreciation (331)      
Golden Corral [Member] | Texarkana, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 758      
Buildings, Fixtures and Improvements 3,031      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,789      
Accumulated Depreciation (713)      
Golden Corral [Member] | Bristol, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 750      
Buildings, Fixtures and Improvements 2,276      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,026      
Accumulated Depreciation (582)      
Golden Corral [Member] | Beckley, WV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,248      
Buildings, Fixtures and Improvements 2,258      
Costs Capitalized Subsequent to Acquisition (2,507)      
Gross Amount Carried at December 31, 2017 999      
Accumulated Depreciation (82)      
Golden Corral [Member] | Cincinnati, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 694      
Buildings, Fixtures and Improvements 2,066      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,760      
Accumulated Depreciation (444)      
Golden Corral [Member] | Akron, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 640      
Buildings, Fixtures and Improvements 2,133      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,773      
Accumulated Depreciation (438)      
Golden Corral [Member] | Columbus, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 770      
Buildings, Fixtures and Improvements 2,476      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,246      
Accumulated Depreciation (633)      
Goodyear [Member] | Cumming, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 534      
Buildings, Fixtures and Improvements 2,516      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,050      
Accumulated Depreciation (490)      
Goodyear [Member] | Cumming, GA 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,085      
Buildings, Fixtures and Improvements 1,915      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,000      
Accumulated Depreciation (396)      
Goodyear [Member] | McDonough, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 11,033      
Land 1,797      
Buildings, Fixtures and Improvements 21,264      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 23,061      
Accumulated Depreciation (5,199)      
Goodyear [Member] | Stockbridge, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 13,432      
Land 1,222      
Buildings, Fixtures and Improvements 32,119      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 33,341      
Accumulated Depreciation (8,117)      
Goodyear [Member] | Dekalb, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 20,147      
Land 4,476      
Buildings, Fixtures and Improvements 44,516      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 48,992      
Accumulated Depreciation (11,245)      
Goodyear [Member] | Lockbourne, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 13,144      
Land 3,107      
Buildings, Fixtures and Improvements 28,868      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 31,975      
Accumulated Depreciation (6,984)      
Goodyear [Member] | York, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 22,834      
Land 1,980      
Buildings, Fixtures and Improvements 53,396      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 55,376      
Accumulated Depreciation (12,766)      
Goodyear [Member] | Columbia, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 656      
Buildings, Fixtures and Improvements 2,077      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,733      
Accumulated Depreciation (413)      
Goodyear [Member] | Corpus Christi, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 753      
Buildings, Fixtures and Improvements 1,737      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,490      
Accumulated Depreciation (337)      
Goodyear [Member] | Terrell, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 15,350      
Land 2,516      
Buildings, Fixtures and Improvements 34,804      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 37,320      
Accumulated Depreciation (8,779)      
The Gorilla Glue Company [Member] | Cincinnati, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 5,563      
Buildings, Fixtures and Improvements 34,887      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 40,450      
Accumulated Depreciation (468)      
Grandy's [Member] | Ardmore, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 454      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 454      
Accumulated Depreciation 0      
Grandy's [Member] | Moore, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 320      
Buildings, Fixtures and Improvements 428      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 748      
Accumulated Depreciation 0      
Grandy's [Member] | Oklahoma City, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 260      
Buildings, Fixtures and Improvements 380      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 640      
Accumulated Depreciation 0      
Grandy's [Member] | Oklahoma City, OK 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 320      
Buildings, Fixtures and Improvements 289      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 609      
Accumulated Depreciation 0      
Grandy's [Member] | Arlington, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 734      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 734      
Accumulated Depreciation 0      
Grandy's [Member] | Carrollton, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 773      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition (178)      
Gross Amount Carried at December 31, 2017 595      
Accumulated Depreciation 0      
Grandy's [Member] | Carrollton, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 847      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 847      
Accumulated Depreciation 0      
Grandy's [Member] | Dallas, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 725      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 725      
Accumulated Depreciation 0      
Grandy's [Member] | Dallas, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 357      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 357      
Accumulated Depreciation 0      
Grandy's [Member] | Fort Worth, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 777      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 777      
Accumulated Depreciation 0      
Grandy's [Member] | Fort Worth, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 811      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 811      
Accumulated Depreciation 0      
Grandy's [Member] | Garland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 623      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 623      
Accumulated Depreciation 0      
Grandy's [Member] | Garland, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 859      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 859      
Accumulated Depreciation 0      
Grandy's [Member] | Greenville, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 847      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 847      
Accumulated Depreciation 0      
Grandy's [Member] | Irving, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 871      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 871      
Accumulated Depreciation 0      
Grandy's [Member] | Lancaster, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 780      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 780      
Accumulated Depreciation 0      
Grandy's [Member] | Mesquite, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 871      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 871      
Accumulated Depreciation 0      
Grandy's [Member] | Plano, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 871      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 871      
Accumulated Depreciation 0      
Greene's Energy Group [Member] | Broussard, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 455      
Buildings, Fixtures and Improvements 6,022      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 6,477      
Accumulated Depreciation (833)      
Habanero's Mexican [Member] | Hueytown, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 60      
Buildings, Fixtures and Improvements 639      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 699      
Accumulated Depreciation (163)      
Hanesbrands [Member] | Rural Hall, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 18,100      
Land 1,798      
Buildings, Fixtures and Improvements 41,214      
Costs Capitalized Subsequent to Acquisition (50)      
Gross Amount Carried at December 31, 2017 42,962      
Accumulated Depreciation (7,406)      
Hanesbrands [Member] | Rural Hall, NC 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 17,990      
Land 1,082      
Buildings, Fixtures and Improvements 22,565      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 23,647      
Accumulated Depreciation (7,169)      
Hardee's [Member] | Morrilton, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 175      
Buildings, Fixtures and Improvements 937      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,112      
Accumulated Depreciation (197)      
Hardee's [Member] | Jacksonville, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 875      
Buildings, Fixtures and Improvements 583      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,458      
Accumulated Depreciation (137)      
Hardee's [Member] | Pace, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 419      
Buildings, Fixtures and Improvements 435      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 854      
Accumulated Depreciation (110)      
Hardee's [Member] | Willston, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 395      
Buildings, Fixtures and Improvements 553      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 948      
Accumulated Depreciation (139)      
Hardee's [Member] | Bremen, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 129      
Buildings, Fixtures and Improvements 518      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 647      
Accumulated Depreciation (122)      
Hardee's [Member] | Canton, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 488      
Buildings, Fixtures and Improvements 539      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,027      
Accumulated Depreciation (136)      
Hardee's [Member] | Mount Vernon, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 320      
Buildings, Fixtures and Improvements 480      
Costs Capitalized Subsequent to Acquisition (6)      
Gross Amount Carried at December 31, 2017 794      
Accumulated Depreciation (121)      
Hardee's [Member] | Indian Trail, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 777      
Buildings, Fixtures and Improvements 553      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,330      
Accumulated Depreciation (134)      
Hardee's [Member] | Old Fort, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 300      
Buildings, Fixtures and Improvements 904      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,204      
Accumulated Depreciation (223)      
Hardee's [Member] | Sparta, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 372      
Buildings, Fixtures and Improvements 346      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 718      
Accumulated Depreciation (87)      
Hardee's [Member] | Akron, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 207      
Buildings, Fixtures and Improvements 483      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 690      
Accumulated Depreciation (113)      
Hardee's [Member] | Jefferson, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 242      
Buildings, Fixtures and Improvements 363      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 605      
Accumulated Depreciation (85)      
Hardee's [Member] | Minerva, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 214      
Buildings, Fixtures and Improvements 321      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 535      
Accumulated Depreciation (76)      
Hardee's [Member] | Seville, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 151      
Buildings, Fixtures and Improvements 454      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 605      
Accumulated Depreciation (107)      
Hardee's [Member] | Aiken, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 220      
Buildings, Fixtures and Improvements 450      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 670      
Accumulated Depreciation (111)      
Hardee's [Member] | Chapin, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 380      
Buildings, Fixtures and Improvements 741      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,121      
Accumulated Depreciation (183)      
Hardee's [Member] | Chester, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 586      
Buildings, Fixtures and Improvements 563      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,149      
Accumulated Depreciation (104)      
Hardee's [Member] | Bloomingdale, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 270      
Buildings, Fixtures and Improvements 844      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,114      
Accumulated Depreciation (208)      
Hardee's [Member] | Clinton, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 390      
Buildings, Fixtures and Improvements 893      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,283      
Accumulated Depreciation (221)      
Hardee's [Member] | Crossville, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 300      
Buildings, Fixtures and Improvements 689      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 989      
Accumulated Depreciation (170)      
Hardee's [Member] | Erwin, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 346      
Buildings, Fixtures and Improvements 406      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 752      
Accumulated Depreciation (102)      
Hardee's [Member] | Morristown, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 353      
Buildings, Fixtures and Improvements 431      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 784      
Accumulated Depreciation (101)      
Hardee's [Member] | Springfield, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 343      
Buildings, Fixtures and Improvements 515      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 858      
Accumulated Depreciation (121)      
Hardee's / Red Burrito [Member] | Attalla, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 220      
Buildings, Fixtures and Improvements 896      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,116      
Accumulated Depreciation (221)      
Harley Davidson [Member] | Round Rock, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,688      
Buildings, Fixtures and Improvements 9,563      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 11,251      
Accumulated Depreciation (2,537)      
Harps Grocery [Member] | Cabot, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 270      
Buildings, Fixtures and Improvements 4,664      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,934      
Accumulated Depreciation (989)      
Harps Grocery [Member] | Haskell, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 499      
Buildings, Fixtures and Improvements 3,281      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,780      
Accumulated Depreciation (685)      
Harps Grocery [Member] | Hot Springs, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 592      
Buildings, Fixtures and Improvements 4,353      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,945      
Accumulated Depreciation (904)      
Harps Grocery [Member] | Hot Springs, AR 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 839      
Buildings, Fixtures and Improvements 4,486      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 5,325      
Accumulated Depreciation (887)      
Harps Grocery [Member] | Searcy, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 705      
Buildings, Fixtures and Improvements 4,159      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,864      
Accumulated Depreciation (835)      
Harps Grocery [Member] | West Fork, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 635      
Buildings, Fixtures and Improvements 4,708      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 5,343      
Accumulated Depreciation (951)      
Harps Grocery [Member] | Poplar Bluff, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 572      
Buildings, Fixtures and Improvements 2,991      
Costs Capitalized Subsequent to Acquisition 4      
Gross Amount Carried at December 31, 2017 3,567      
Accumulated Depreciation (290)      
Harps Grocery [Member] | Inola, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 130      
Buildings, Fixtures and Improvements 3,387      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,517      
Accumulated Depreciation (680)      
Harris Teeter [Member] | Durham, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 1,910      
Land 3,239      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,239      
Accumulated Depreciation 0      
HD Supply [Member] | Santee, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,400      
Buildings, Fixtures and Improvements 7,312      
Costs Capitalized Subsequent to Acquisition 430      
Gross Amount Carried at December 31, 2017 10,142      
Accumulated Depreciation (1,908)      
Healthnow [Member] | Buffalo, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 41,555      
Land 2,569      
Buildings, Fixtures and Improvements 89,399      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 91,968      
Accumulated Depreciation (13,871)      
Helmer Scientific [Member] | Noblesville, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,431      
Buildings, Fixtures and Improvements 10,699      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 12,130      
Accumulated Depreciation (137)      
Hobby Lobby [Member] | Algonquin, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 998      
Buildings, Fixtures and Improvements 4,580      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 5,578      
Accumulated Depreciation (76)      
Hobby Lobby [Member] | Avon, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,439      
Buildings, Fixtures and Improvements 5,855      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 7,294      
Accumulated Depreciation (1,129)      
Hobby Lobby [Member] | Kannapolis, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,929      
Buildings, Fixtures and Improvements 4,227      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 6,156      
Accumulated Depreciation (849)      
Hobby Lobby [Member] | Columbia, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 951      
Buildings, Fixtures and Improvements 2,467      
Costs Capitalized Subsequent to Acquisition 38      
Gross Amount Carried at December 31, 2017 3,456      
Accumulated Depreciation (563)      
Hobby Lobby [Member] | Logan, UT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,683      
Buildings, Fixtures and Improvements 3,079      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 5,762      
Accumulated Depreciation (671)      
Home Depot [Member] | Columbia, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,911      
Buildings, Fixtures and Improvements 15,463      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 18,374      
Accumulated Depreciation (4,986)      
Home Depot [Member] | Tucson, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 6,251      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 6,251      
Accumulated Depreciation 0      
Home Depot [Member] | San Diego, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 6,650      
Land 12,518      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 12,518      
Accumulated Depreciation 0      
Home Depot [Member] | Evans, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 4,583      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,583      
Accumulated Depreciation 0      
Home Depot [Member] | Kennesaw, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,809      
Buildings, Fixtures and Improvements 12,331      
Costs Capitalized Subsequent to Acquisition 1      
Gross Amount Carried at December 31, 2017 14,141      
Accumulated Depreciation (2,203)      
Home Depot [Member] | Slidell, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 1,996      
Land 5,131      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 5,131      
Accumulated Depreciation 0      
Home Depot [Member] | Las Vegas, NV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 7,907      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 7,907      
Accumulated Depreciation 0      
Home Depot [Member] | Odessa, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,599      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,599      
Accumulated Depreciation 0      
Home Depot [Member] | Winchester, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 3,955      
Buildings, Fixtures and Improvements 18,405      
Costs Capitalized Subsequent to Acquisition 1,136      
Gross Amount Carried at December 31, 2017 23,496      
Accumulated Depreciation (5,339)      
Home Town Buffet [Member] | Tucson, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,176      
Buildings, Fixtures and Improvements 8,565      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 9,741      
Accumulated Depreciation (9)      
Home Town Buffet [Member] | Rialto, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 265      
Buildings, Fixtures and Improvements 1,261      
Costs Capitalized Subsequent to Acquisition (1,046)      
Gross Amount Carried at December 31, 2017 480      
Accumulated Depreciation (108)      
Home Town Buffet [Member] | Santa Maria, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 191      
Buildings, Fixtures and Improvements 1,006      
Costs Capitalized Subsequent to Acquisition (763)      
Gross Amount Carried at December 31, 2017 434      
Accumulated Depreciation (55)      
Home Town Buffet [Member] | Newark, DE [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 177      
Buildings, Fixtures and Improvements 1,129      
Costs Capitalized Subsequent to Acquisition (739)      
Gross Amount Carried at December 31, 2017 567      
Accumulated Depreciation (95)      
Home Town Buffet [Member] | Union Gap, WA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 253      
Buildings, Fixtures and Improvements 1,320      
Costs Capitalized Subsequent to Acquisition (1,223)      
Gross Amount Carried at December 31, 2017 350      
Accumulated Depreciation (75)      
Huntington National Bank [Member] | Jefferson, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 255      
Buildings, Fixtures and Improvements 765      
Costs Capitalized Subsequent to Acquisition 7      
Gross Amount Carried at December 31, 2017 1,027      
Accumulated Depreciation (173)      
Huntington National Bank [Member] | Conneaut, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 205      
Buildings, Fixtures and Improvements 477      
Costs Capitalized Subsequent to Acquisition 6      
Gross Amount Carried at December 31, 2017 688      
Accumulated Depreciation (108)      
Hy-Vee [Member] | Vermillion, SD [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 2,922      
Land 409      
Buildings, Fixtures and Improvements 3,684      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,093      
Accumulated Depreciation (1,219)      
IFM Efectors [Member] | Malvern, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,816      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 9,747      
Gross Amount Carried at December 31, 2017 11,563      
Accumulated Depreciation (840)      
Igloo [Member] | Katy, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 5,617      
Buildings, Fixtures and Improvements 38,470      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 44,087      
Accumulated Depreciation (6,887)      
IHOP [Member] | Baytown, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 698      
Buildings, Fixtures and Improvements 1,297      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,995      
Accumulated Depreciation (305)      
IHOP [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 760      
Buildings, Fixtures and Improvements 2,462      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,222      
Accumulated Depreciation (629)      
IHOP [Member] | Corpus Christi, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,176      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,176      
Accumulated Depreciation 0      
IHOP [Member] | Fort Worth, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 560      
Buildings, Fixtures and Improvements 1,879      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,439      
Accumulated Depreciation (480)      
IHOP [Member] | Auburn, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,111      
Buildings, Fixtures and Improvements 933      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,044      
Accumulated Depreciation (243)      
IHOP [Member] | Homewood, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 610      
Buildings, Fixtures and Improvements 1,762      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,372      
Accumulated Depreciation (450)      
IHOP [Member] | Montgomery, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 941      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition (517)      
Gross Amount Carried at December 31, 2017 424      
Accumulated Depreciation 0      
IHOP [Member] | Castle Rock, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 320      
Buildings, Fixtures and Improvements 2,334      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,654      
Accumulated Depreciation (597)      
IHOP [Member] | Greeley, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 120      
Buildings, Fixtures and Improvements 1,538      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,658      
Accumulated Depreciation (393)      
IHOP [Member] | Loveland, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 181      
Buildings, Fixtures and Improvements 1,534      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,715      
Accumulated Depreciation (53)      
IHOP [Member] | Pueblo, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 330      
Buildings, Fixtures and Improvements 1,589      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,919      
Accumulated Depreciation (406)      
IHOP [Member] | Bossier City, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 541      
Buildings, Fixtures and Improvements 1,342      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,883      
Accumulated Depreciation (349)      
IHOP [Member] | Natchitoches, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 750      
Buildings, Fixtures and Improvements 89      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 839      
Accumulated Depreciation (23)      
IHOP [Member] | Roseville, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 340      
Buildings, Fixtures and Improvements 1,071      
Costs Capitalized Subsequent to Acquisition 125      
Gross Amount Carried at December 31, 2017 1,536      
Accumulated Depreciation (275)      
IHOP [Member] | Kansas City, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 630      
Buildings, Fixtures and Improvements 1,002      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,632      
Accumulated Depreciation (256)      
IHOP [Member] | Southaven, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 350      
Buildings, Fixtures and Improvements 2,108      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,458      
Accumulated Depreciation (539)      
IHOP [Member] | Greenville, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 610      
Buildings, Fixtures and Improvements 1,551      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,161      
Accumulated Depreciation (396)      
IHOP [Member] | Clarksville, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 530      
Buildings, Fixtures and Improvements 1,346      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,876      
Accumulated Depreciation (344)      
IHOP [Member] | Murfreesboro, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 600      
Buildings, Fixtures and Improvements 1,687      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,287      
Accumulated Depreciation (431)      
IHOP [Member] | Killeen, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 380      
Buildings, Fixtures and Improvements 1,028      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,408      
Accumulated Depreciation (263)      
IHOP [Member] | Lake Jackson, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 370      
Buildings, Fixtures and Improvements 2,018      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,388      
Accumulated Depreciation (516)      
IHOP [Member] | Leon Valley, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 650      
Buildings, Fixtures and Improvements 2,055      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,705      
Accumulated Depreciation (665)      
IHOP [Member] | Auburn, WA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 780      
Buildings, Fixtures and Improvements 1,878      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,658      
Accumulated Depreciation (480)      
Ingersoll Rand [Member] | Annandale, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,367      
Buildings, Fixtures and Improvements 14,223      
Costs Capitalized Subsequent to Acquisition (90)      
Gross Amount Carried at December 31, 2017 15,500      
Accumulated Depreciation (5,249)      
Ingram Micro [Member] | Amherst, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 4,107      
Buildings, Fixtures and Improvements 20,347      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 24,454      
Accumulated Depreciation (4,068)      
Invensys Systems [Member] | Foxboro, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 11,784      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 27,888      
Gross Amount Carried at December 31, 2017 39,672      
Accumulated Depreciation (3,504)      
Iron Mountain [Member] | Columbus, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 405      
Buildings, Fixtures and Improvements 3,642      
Costs Capitalized Subsequent to Acquisition 1,263      
Gross Amount Carried at December 31, 2017 5,310      
Accumulated Depreciation (1,217)      
Iron Mountain [Member] | Mohnton, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 197      
Buildings, Fixtures and Improvements 6,152      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 6,349      
Accumulated Depreciation (1,032)      
IRSGateway [Member] | Covington, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 3,120      
Buildings, Fixtures and Improvements 80,689      
Costs Capitalized Subsequent to Acquisition 1,561      
Gross Amount Carried at December 31, 2017 85,370      
Accumulated Depreciation (12,096)      
Irving Oil [Member] | Belfast, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 339      
Buildings, Fixtures and Improvements 698      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,037      
Accumulated Depreciation (170)      
Irving Oil [Member] | Bethel, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 182      
Buildings, Fixtures and Improvements 331      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 513      
Accumulated Depreciation (83)      
Irving Oil [Member] | Boothbay Harbor, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 413      
Buildings, Fixtures and Improvements 550      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 963      
Accumulated Depreciation (143)      
Irving Oil [Member] | Caribou, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 187      
Buildings, Fixtures and Improvements 404      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 591      
Accumulated Depreciation (97)      
Irving Oil [Member] | Fort Kent, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 358      
Buildings, Fixtures and Improvements 352      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 710      
Accumulated Depreciation (100)      
Irving Oil [Member] | Kennebunk, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 469      
Buildings, Fixtures and Improvements 541      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,010      
Accumulated Depreciation (146)      
Irving Oil [Member] | Lincoln, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 360      
Buildings, Fixtures and Improvements 360      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 720      
Accumulated Depreciation (91)      
Irving Oil [Member] | Orono, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 228      
Buildings, Fixtures and Improvements 272      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 500      
Accumulated Depreciation (66)      
Irving Oil [Member] | Saco, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 619      
Buildings, Fixtures and Improvements 222      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 841      
Accumulated Depreciation (78)      
Irving Oil [Member] | Skowhegan, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 541      
Buildings, Fixtures and Improvements 492      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,033      
Accumulated Depreciation (135)      
Irving Oil [Member] | Conway, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 173      
Buildings, Fixtures and Improvements 525      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 698      
Accumulated Depreciation (119)      
Irving Oil [Member] | Dover, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 380      
Buildings, Fixtures and Improvements 717      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,097      
Accumulated Depreciation (170)      
Irving Oil [Member] | Rochester, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 290      
Buildings, Fixtures and Improvements 747      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,037      
Accumulated Depreciation (171)      
Irving Oil [Member] | Dummerston, VT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 185      
Buildings, Fixtures and Improvements 353      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 538      
Accumulated Depreciation (95)      
Irving Oil [Member] | Rutland, VT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 249      
Buildings, Fixtures and Improvements 220      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 469      
Accumulated Depreciation (54)      
Irving Oil [Member] | Westminster, VT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 108      
Buildings, Fixtures and Improvements 437      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 545      
Accumulated Depreciation (104)      
Jack in the Box [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 460      
Buildings, Fixtures and Improvements 1,437      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,897      
Accumulated Depreciation (355)      
Jack in the Box [Member] | Spring, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 570      
Buildings, Fixtures and Improvements 1,340      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,910      
Accumulated Depreciation (331)      
Jack in the Box [Member] | Arlington, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 420      
Buildings, Fixtures and Improvements 1,325      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,745      
Accumulated Depreciation (327)      
Jack in the Box [Member] | Fort Worth, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 490      
Buildings, Fixtures and Improvements 1,702      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,192      
Accumulated Depreciation (421)      
Jack in the Box [Member] | Mesquite, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 560      
Buildings, Fixtures and Improvements 1,652      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,212      
Accumulated Depreciation (408)      
Jack in the Box [Member] | Avondale, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 110      
Buildings, Fixtures and Improvements 2,237      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,347      
Accumulated Depreciation (553)      
Jack in the Box [Member] | Chandler, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 450      
Buildings, Fixtures and Improvements 1,447      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,897      
Accumulated Depreciation (358)      
Jack in the Box [Member] | Folsom, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 280      
Buildings, Fixtures and Improvements 2,423      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,703      
Accumulated Depreciation (599)      
Jack in the Box [Member] | Sacramento, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 476      
Buildings, Fixtures and Improvements 1,110      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,586      
Accumulated Depreciation (261)      
Jack in the Box [Member] | West Sacramento, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 590      
Buildings, Fixtures and Improvements 1,710      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,300      
Accumulated Depreciation (422)      
Jack in the Box [Member] | Burley, ID [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 240      
Buildings, Fixtures and Improvements 1,430      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,670      
Accumulated Depreciation (353)      
Jack in the Box [Member] | Belleville, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 200      
Buildings, Fixtures and Improvements 966      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,166      
Accumulated Depreciation (239)      
Jack in the Box [Member] | Florissant, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 502      
Buildings, Fixtures and Improvements 1,515      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,017      
Accumulated Depreciation (374)      
Jack in the Box [Member] | St. Louis, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 420      
Buildings, Fixtures and Improvements 1,494      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,914      
Accumulated Depreciation (369)      
Jack in the Box [Member] | Salem, OR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 580      
Buildings, Fixtures and Improvements 1,301      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,881      
Accumulated Depreciation (322)      
Jack in the Box [Member] | Tigard, OR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 620      
Buildings, Fixtures and Improvements 1,361      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,981      
Accumulated Depreciation (336)      
Jack in the Box [Member] | Arlington, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 420      
Buildings, Fixtures and Improvements 1,365      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,785      
Accumulated Depreciation (337)      
Jack in the Box [Member] | Cleburne, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 291      
Buildings, Fixtures and Improvements 1,647      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,938      
Accumulated Depreciation (387)      
Jack in the Box [Member] | Corinth, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 400      
Buildings, Fixtures and Improvements 1,416      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,816      
Accumulated Depreciation (350)      
Jack in the Box [Member] | Farmers Branch, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 460      
Buildings, Fixtures and Improvements 1,640      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,100      
Accumulated Depreciation (405)      
Jack in the Box [Member] | Georgetown, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 600      
Buildings, Fixtures and Improvements 1,508      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,108      
Accumulated Depreciation (373)      
Jack in the Box [Member] | Granbury, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 380      
Buildings, Fixtures and Improvements 1,449      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,829      
Accumulated Depreciation (358)      
Jack in the Box [Member] | Grand Prairie, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 600      
Buildings, Fixtures and Improvements 1,856      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,456      
Accumulated Depreciation (459)      
Jack in the Box [Member] | Grapevine, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 470      
Buildings, Fixtures and Improvements 1,344      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,814      
Accumulated Depreciation (332)      
Jack in the Box [Member] | Gun Barrel City, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 300      
Buildings, Fixtures and Improvements 961      
Costs Capitalized Subsequent to Acquisition (866)      
Gross Amount Carried at December 31, 2017 395      
Accumulated Depreciation (9)      
Jack in the Box [Member] | Houston, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 390      
Buildings, Fixtures and Improvements 1,172      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,562      
Accumulated Depreciation (290)      
Jack in the Box [Member] | Houston, TX 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 330      
Buildings, Fixtures and Improvements 1,845      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,175      
Accumulated Depreciation (456)      
Jack in the Box [Member] | Houston, TX 4 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 410      
Buildings, Fixtures and Improvements 1,621      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,031      
Accumulated Depreciation (401)      
Jack in the Box [Member] | Houston, TX 5 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 450      
Buildings, Fixtures and Improvements 1,396      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,846      
Accumulated Depreciation $ (345)