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Schedule III - Real Estate and Accumulated Depreciation - Section 13 (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)
Jack in the Box [Member] | Hutchins, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 330      
Buildings, Fixtures and Improvements 1,363      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,693      
Accumulated Depreciation (337)      
Jack in the Box [Member] | Lufkin, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 440      
Buildings, Fixtures and Improvements 1,544      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,984      
Accumulated Depreciation (381)      
Jack in the Box [Member] | Lufkin, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 450      
Buildings, Fixtures and Improvements 1,563      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,013      
Accumulated Depreciation (386)      
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] | Missouri City, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 451      
Buildings, Fixtures and Improvements 837      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,288      
Accumulated Depreciation (197)      
Jack in the Box [Member] | Nacogdoches, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 340      
Buildings, Fixtures and Improvements 1,320      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,660      
Accumulated Depreciation (326)      
Jack in the Box [Member] | Orange, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 270      
Buildings, Fixtures and Improvements 1,661      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,931      
Accumulated Depreciation (410)      
Jack in the Box [Member] | Port Arthur, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 460      
Buildings, Fixtures and Improvements 1,405      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,865      
Accumulated Depreciation (347)      
Jack in the Box [Member] | San Antonio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 400      
Buildings, Fixtures and Improvements 1,244      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,644      
Accumulated Depreciation (307)      
Jack in the Box [Member] | San Antonio, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 470      
Buildings, Fixtures and Improvements 1,256      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,726      
Accumulated Depreciation (310)      
Jack in the Box [Member] | San Antonio, TX 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 350      
Buildings, Fixtures and Improvements 1,249      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,599      
Accumulated Depreciation (309)      
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] | Spring, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 450      
Buildings, Fixtures and Improvements 1,487      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,937      
Accumulated Depreciation (367)      
Jack in the Box [Member] | Texas City, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 454      
Buildings, Fixtures and Improvements 844      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,298      
Accumulated Depreciation (212)      
Jack in the Box [Member] | Tyler, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 450      
Buildings, Fixtures and Improvements 1,025      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,475      
Accumulated Depreciation (253)      
Jack in the Box [Member] | Weatherford, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 480      
Buildings, Fixtures and Improvements 1,329      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,809      
Accumulated Depreciation (328)      
Jack in the Box [Member] | Enumclaw, WA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 380      
Buildings, Fixtures and Improvements 1,238      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,618      
Accumulated Depreciation (306)      
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] | 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] | 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)      
Jeremiah's Italian Ice [Member] | Winter Springs, FL [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      
Jiffy Lube [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 423      
Buildings, Fixtures and Improvements 1,037      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,460      
Accumulated Depreciation (180)      
Jo-Ann's [Member] | Shakopee, MN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 994      
Buildings, Fixtures and Improvements 1,807      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,801      
Accumulated Depreciation (350)      
Johnny Carinos [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,328      
Buildings, Fixtures and Improvements 2,656      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,984      
Accumulated Depreciation (692)      
Johnny Carinos [Member] | Rogers, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 997      
Buildings, Fixtures and Improvements 2,540      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,537      
Accumulated Depreciation (661)      
Johnny Carinos [Member] | Columbus, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 809      
Buildings, Fixtures and Improvements 1,888      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,697      
Accumulated Depreciation (491)      
Johnny Carinos [Member] | Muncie, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 540      
Buildings, Fixtures and Improvements 2,160      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,700      
Accumulated Depreciation (562)      
Johnny Carinos [Member] | Midland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 998      
Buildings, Fixtures and Improvements 2,329      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,327      
Accumulated Depreciation (618)      
Katun Corp [Member] | Davenport, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 454      
Buildings, Fixtures and Improvements 7,485      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 7,939      
Accumulated Depreciation (1,158)      
Keane Frac [Member] | Pleasanton, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 328      
Buildings, Fixtures and Improvements 4,804      
Costs Capitalized Subsequent to Acquisition (2,858)      
Gross Amount Carried at December 31, 2017 2,274      
Accumulated Depreciation (148)      
Kentucky Fried Chicken [Member] | Bloomington, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 576      
Buildings, Fixtures and Improvements 1,466      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,042      
Accumulated Depreciation (369)      
Kentucky Fried Chicken [Member] | Charleston, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 282      
Buildings, Fixtures and Improvements 1,514      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,796      
Accumulated Depreciation (381)      
Kentucky Fried Chicken [Member] | Decatur, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 276      
Buildings, Fixtures and Improvements 1,619      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,895      
Accumulated Depreciation (407)      
Kentucky Fried Chicken [Member] | Dolton, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 167      
Buildings, Fixtures and Improvements 946      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,113      
Accumulated Depreciation (223)      
Kentucky Fried Chicken [Member] | Elmhurst, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 242      
Buildings, Fixtures and Improvements 969      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,211      
Accumulated Depreciation (228)      
Kentucky Fried Chicken [Member] | Hazel Crest, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 153      
Buildings, Fixtures and Improvements 1,376      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,529      
Accumulated Depreciation (324)      
Kentucky Fried Chicken [Member] | Homewood, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 660      
Buildings, Fixtures and Improvements 1,541      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,201      
Accumulated Depreciation (362)      
Kentucky Fried Chicken [Member] | Matteson, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 399      
Buildings, Fixtures and Improvements 2,259      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,658      
Accumulated Depreciation (531)      
Kentucky Fried Chicken [Member] | Mattoon, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 113      
Buildings, Fixtures and Improvements 1,019      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,132      
Accumulated Depreciation (240)      
Kentucky Fried Chicken [Member] | Oak Forest, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 185      
Buildings, Fixtures and Improvements 1,047      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,232      
Accumulated Depreciation (246)      
Kentucky Fried Chicken [Member] | Rockford, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 201      
Buildings, Fixtures and Improvements 1,142      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,343      
Accumulated Depreciation (268)      
Kentucky Fried Chicken [Member] | Springfield, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 267      
Buildings, Fixtures and Improvements 1,068      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,335      
Accumulated Depreciation (251)      
Kentucky Fried Chicken [Member] | Springfield, IL 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 212      
Buildings, Fixtures and Improvements 1,203      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,415      
Accumulated Depreciation (283)      
Kentucky Fried Chicken [Member] | Westchester, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 238      
Buildings, Fixtures and Improvements 952      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,190      
Accumulated Depreciation (224)      
Kentucky Fried Chicken [Member] | Crawfordsville, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 159      
Buildings, Fixtures and Improvements 1,068      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,227      
Accumulated Depreciation (269)      
Kentucky Fried Chicken [Member] | Frankfort, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 99      
Buildings, Fixtures and Improvements 893      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 992      
Accumulated Depreciation (210)      
Kentucky Fried Chicken [Member] | Franklin, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 205      
Buildings, Fixtures and Improvements 1,375      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,580      
Accumulated Depreciation (346)      
Kentucky Fried Chicken [Member] | Greenwood, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 339      
Buildings, Fixtures and Improvements 1,405      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,744      
Accumulated Depreciation (354)      
Kentucky Fried Chicken [Member] | Lebanon, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 337      
Buildings, Fixtures and Improvements 1,348      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,685      
Accumulated Depreciation (317)      
Kentucky Fried Chicken [Member] | Deming, NM [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 220      
Buildings, Fixtures and Improvements 691      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 911      
Accumulated Depreciation (171)      
Kentucky Fried Chicken [Member] | Las Cruces, NM [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 270      
Buildings, Fixtures and Improvements 498      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 768      
Accumulated Depreciation (123)      
Kentucky Fried Chicken [Member] | Warren, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 426      
Buildings, Fixtures and Improvements 640      
Costs Capitalized Subsequent to Acquisition (421)      
Gross Amount Carried at December 31, 2017 645      
Accumulated Depreciation (31)      
Kentucky Fried Chicken [Member] | New Kensington, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 324      
Buildings, Fixtures and Improvements 487      
Costs Capitalized Subsequent to Acquisition (260)      
Gross Amount Carried at December 31, 2017 551      
Accumulated Depreciation (26)      
Kentucky Fried Chicken [Member] | Appleton, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 350      
Buildings, Fixtures and Improvements 874      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,224      
Accumulated Depreciation (216)      
Kentucky Fried Chicken/ A&W [Member] | Granite City, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 102      
Buildings, Fixtures and Improvements 1,083      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,185      
Accumulated Depreciation (273)      
Kentucky Fried Chicken/ A&W [Member] | Allison Park, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 246      
Buildings, Fixtures and Improvements 683      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 929      
Accumulated Depreciation (172)      
Kentucky Fried Chicken/ A&W [Member] | Germantown, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 368      
Buildings, Fixtures and Improvements 913      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,281      
Accumulated Depreciation (230)      
Kentucky Fried Chicken/ A&W [Member] | Green Bay, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 208      
Buildings, Fixtures and Improvements 1,022      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,230      
Accumulated Depreciation (257)      
Kentucky Fried Chicken/ A&W [Member] | Milwaukee, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 396      
Buildings, Fixtures and Improvements 773      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,169      
Accumulated Depreciation (194)      
Kentucky Fried Chicken/ A&W [Member] | MIlwaukee, WI 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 281      
Buildings, Fixtures and Improvements 795      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,076      
Accumulated Depreciation (200)      
Kentucky Fried Chicken/ A&W [Member] | Milwaukee, WI 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 89      
Buildings, Fixtures and Improvements 750      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 839      
Accumulated Depreciation (189)      
Kentucky Fried Chicken/ A&W [Member] | Milwaukee, WI 4 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 197      
Buildings, Fixtures and Improvements 975      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,172      
Accumulated Depreciation (245)      
Kentucky Fried Chicken/ A&W [Member] | Milwaukee, WI 5 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 138      
Buildings, Fixtures and Improvements 924      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,062      
Accumulated Depreciation (233)      
Kentucky Fried Chicken/ A&W [Member] | South Milwaukee, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 197      
Buildings, Fixtures and Improvements 695      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 892      
Accumulated Depreciation (175)      
Kentucky Fried Chicken/ A&W [Member] | Wauwatosa, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 135      
Buildings, Fixtures and Improvements 615      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 750      
Accumulated Depreciation (155)      
Kentucky Fried Chicken/ A&W [Member] | West Bend, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 185      
Buildings, Fixtures and Improvements 705      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 890      
Accumulated Depreciation (177)      
Ker's WingHouse [Member] | Brandon, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 340      
Buildings, Fixtures and Improvements 654      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 994      
Accumulated Depreciation (167)      
Ker's WingHouse [Member] | Clearwater, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 550      
Buildings, Fixtures and Improvements 627      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,177      
Accumulated Depreciation (160)      
Kettle Restaurant [Member] | San Antonio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 168      
Buildings, Fixtures and Improvements 206      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 374      
Accumulated Depreciation (48)      
Key Bank [Member] | Spencerport, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 59      
Buildings, Fixtures and Improvements 1,112      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,171      
Accumulated Depreciation (271)      
Kirklands [Member] | Wilmington, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,127      
Buildings, Fixtures and Improvements 1,061      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,188      
Accumulated Depreciation (222)      
Kohl's [Member] | Monrovia, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 8,700      
Land 8,052      
Buildings, Fixtures and Improvements 7,891      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 15,943      
Accumulated Depreciation (1,542)      
Kohl's [Member] | Tavares, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 4,670      
Land 4,173      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,173      
Accumulated Depreciation 0      
Kohl's [Member] | Fort Dodge, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,431      
Buildings, Fixtures and Improvements 3,109      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,540      
Accumulated Depreciation (609)      
Kohl's [Member] | Salina, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 964      
Buildings, Fixtures and Improvements 5,009      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 5,973      
Accumulated Depreciation (877)      
Kohl's [Member] | Howell, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 7,705      
Land 547      
Buildings, Fixtures and Improvements 10,399      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 10,946      
Accumulated Depreciation (3,501)      
Kohl's [Member] | Saginaw, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,110      
Buildings, Fixtures and Improvements 6,932      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 8,042      
Accumulated Depreciation (1,212)      
Kohl's [Member] | Columbia, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,532      
Buildings, Fixtures and Improvements 14,561      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 16,093      
Accumulated Depreciation (2,413)      
Kohl's [Member] | Spartanburg, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,984      
Buildings, Fixtures and Improvements 5,842      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 8,826      
Accumulated Depreciation (1,089)      
Kohl's [Member] | Brownsville, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,756      
Buildings, Fixtures and Improvements 3,423      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 6,179      
Accumulated Depreciation (30)      
Kohl's [Member] | Mcallen, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 3,479      
Land 1,286      
Buildings, Fixtures and Improvements 7,321      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 8,607      
Accumulated Depreciation (1,319)      
Kohl's [Member] | Rice Lake, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,268      
Buildings, Fixtures and Improvements 7,788      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 9,056      
Accumulated Depreciation (1,365)      
Kroger [Member] | Calhoun, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 0      
Buildings, Fixtures and Improvements 6,279      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 6,279      
Accumulated Depreciation (1,293)      
Kroger [Member] | Lithonia, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 0      
Buildings, Fixtures and Improvements 6,250      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 6,250      
Accumulated Depreciation (1,287)      
Kroger [Member] | Suwanne, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 0      
Buildings, Fixtures and Improvements 7,574      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 7,574      
Accumulated Depreciation (1,560)      
Kroger [Member] | Suwanee, GA 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 0      
Buildings, Fixtures and Improvements 7,691      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 7,691      
Accumulated Depreciation (1,584)      
Kroger [Member] | Frankfort, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 0      
Buildings, Fixtures and Improvements 5,794      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 5,794      
Accumulated Depreciation (1,193)      
Kroger [Member] | Madisonville, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 0      
Buildings, Fixtures and Improvements 5,715      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 5,715      
Accumulated Depreciation (1,177)      
Kroger [Member] | Murray, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 0      
Buildings, Fixtures and Improvements 6,165      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 6,165      
Accumulated Depreciation (1,269)      
Kroger [Member] | Owensboro, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 0      
Buildings, Fixtures and Improvements 6,073      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 6,073      
Accumulated Depreciation (1,251)      
Kroger [Member] | Franklin, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 0      
Buildings, Fixtures and Improvements 7,782      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 7,782      
Accumulated Depreciation (1,602)      
Kroger [Member] | Knoxville, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 0      
Buildings, Fixtures and Improvements 7,642      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 7,642      
Accumulated Depreciation (1,574)      
Krystal [Member] | Knoxville, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 369      
Buildings, Fixtures and Improvements 246      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 615      
Accumulated Depreciation (89)      
Krystal [Member] | Greenville, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 195      
Buildings, Fixtures and Improvements 1,147      
Costs Capitalized Subsequent to Acquisition 182      
Gross Amount Carried at December 31, 2017 1,524      
Accumulated Depreciation (306)      
Krystal [Member] | Huntsville, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 348      
Buildings, Fixtures and Improvements 811      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,159      
Accumulated Depreciation (269)      
Krystal [Member] | Huntsville, AL 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 352      
Buildings, Fixtures and Improvements 654      
Costs Capitalized Subsequent to Acquisition 125      
Gross Amount Carried at December 31, 2017 1,131      
Accumulated Depreciation (221)      
Krystal [Member] | Huntsville, AL 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 305      
Buildings, Fixtures and Improvements 712      
Costs Capitalized Subsequent to Acquisition 125      
Gross Amount Carried at December 31, 2017 1,142      
Accumulated Depreciation (232)      
Krystal [Member] | Montgomery, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 259      
Buildings, Fixtures and Improvements 1,036      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,295      
Accumulated Depreciation (374)      
Krystal [Member] | Montgomery, AL 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 560      
Buildings, Fixtures and Improvements 829      
Costs Capitalized Subsequent to Acquisition 175      
Gross Amount Carried at December 31, 2017 1,564      
Accumulated Depreciation (227)      
Krystal [Member] | Montgomery, AL 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 303      
Buildings, Fixtures and Improvements 562      
Costs Capitalized Subsequent to Acquisition 125      
Gross Amount Carried at December 31, 2017 990      
Accumulated Depreciation (191)      
Krystal [Member] | Montgomery, AL 4 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 502      
Buildings, Fixtures and Improvements 613      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,115      
Accumulated Depreciation (203)      
Krystal [Member] | Scottsboro, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 20      
Buildings, Fixtures and Improvements 1,157      
Costs Capitalized Subsequent to Acquisition 172      
Gross Amount Carried at December 31, 2017 1,349      
Accumulated Depreciation (307)      
Krystal [Member] | Tuscaloosa, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 206      
Buildings, Fixtures and Improvements 1,165      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,371      
Accumulated Depreciation (420)      
Krystal [Member] | Valley, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 297      
Buildings, Fixtures and Improvements 694      
Costs Capitalized Subsequent to Acquisition 125      
Gross Amount Carried at December 31, 2017 1,116      
Accumulated Depreciation (233)      
Krystal [Member] | Vestavia Hills, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 342      
Buildings, Fixtures and Improvements 513      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 855      
Accumulated Depreciation (170)      
Krystal [Member] | Jacksonville, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 574      
Buildings, Fixtures and Improvements 574      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,148      
Accumulated Depreciation (207)      
Krystal [Member] | Orlando, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 372      
Buildings, Fixtures and Improvements 372      
Costs Capitalized Subsequent to Acquisition 125      
Gross Amount Carried at December 31, 2017 869      
Accumulated Depreciation (135)      
Krystal [Member] | Orlando, FL 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 669      
Buildings, Fixtures and Improvements 446      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,115      
Accumulated Depreciation (161)      
Krystal [Member] | Plant City, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 355      
Buildings, Fixtures and Improvements 533      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 888      
Accumulated Depreciation (192)      
Krystal [Member] | St. Augustine, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 411      
Buildings, Fixtures and Improvements 411      
Costs Capitalized Subsequent to Acquisition 125      
Gross Amount Carried at December 31, 2017 947      
Accumulated Depreciation (150)      
Krystal [Member] | Albany, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 309      
Buildings, Fixtures and Improvements 721      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,030      
Accumulated Depreciation (260)      
Krystal [Member] | Atlanta, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 166      
Buildings, Fixtures and Improvements 664      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 830      
Accumulated Depreciation (240)      
Krystal [Member] | Augusta, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 365      
Buildings, Fixtures and Improvements 851      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,216      
Accumulated Depreciation (307)      
Krystal [Member] | Columbus, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 622      
Buildings, Fixtures and Improvements 934      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,556      
Accumulated Depreciation (337)      
Krystal [Member] | Decatur, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 94      
Buildings, Fixtures and Improvements 533      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 627      
Accumulated Depreciation (192)      
Krystal [Member] | East Point, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 221      
Buildings, Fixtures and Improvements 664      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 885      
Accumulated Depreciation (238)      
Krystal [Member] | Macon, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 325      
Buildings, Fixtures and Improvements 759      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,084      
Accumulated Depreciation (274)      
Krystal [Member] | Milledgeville, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 261      
Buildings, Fixtures and Improvements 609      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 870      
Accumulated Depreciation (220)      
Krystal [Member] | Snellville, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 466      
Buildings, Fixtures and Improvements 466      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 932      
Accumulated Depreciation (168)      
Krystal [Member] | Corinth, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 279      
Buildings, Fixtures and Improvements 652      
Costs Capitalized Subsequent to Acquisition 125      
Gross Amount Carried at December 31, 2017 1,056      
Accumulated Depreciation (219)      
Krystal [Member] | Gulfport, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 215      
Buildings, Fixtures and Improvements 861      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,076      
Accumulated Depreciation (311)      
Krystal [Member] | Pearl, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 426      
Buildings, Fixtures and Improvements 638      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,064      
Accumulated Depreciation (230)      
Krystal [Member] | Chattanooga, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 336      
Buildings, Fixtures and Improvements 784      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,120      
Accumulated Depreciation (283)      
Krystal [Member] | Chattanooga, TN 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 186      
Buildings, Fixtures and Improvements 328      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 514      
Accumulated Depreciation (56)      
Krystal [Member] | Chattanooga, TN 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 440      
Buildings, Fixtures and Improvements 659      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,099      
Accumulated Depreciation (219)      
Krystal [Member] | Lawrenceburg, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 304      
Buildings, Fixtures and Improvements 709      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,013      
Accumulated Depreciation (235)      
Krystal [Member] | Memphis, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 257      
Buildings, Fixtures and Improvements 1,029      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,286      
Accumulated Depreciation (341)      
Krystal [Member] | Memphis, TN 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 181      
Buildings, Fixtures and Improvements 723      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 904      
Accumulated Depreciation (240)      
Krystal [Member] | Murfreesboro, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 465      
Buildings, Fixtures and Improvements 698      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,163      
Accumulated Depreciation (231)      
Kum & Go [Member] | Rogers, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 668      
Buildings, Fixtures and Improvements 1,559      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,227      
Accumulated Depreciation (443)      
Kum & Go [Member] | Bentonville, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 587      
Buildings, Fixtures and Improvements 1,370      
Costs Capitalized Subsequent to Acquisition (13)      
Gross Amount Carried at December 31, 2017 1,944      
Accumulated Depreciation (390)      
Kum & Go [Member] | Lowell, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 774      
Buildings, Fixtures and Improvements 1,437      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,211      
Accumulated Depreciation (409)      
Kum & Go [Member] | Paragould, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 708      
Buildings, Fixtures and Improvements 2,123      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,831      
Accumulated Depreciation (614)      
Kum & Go [Member] | Sherwood, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 866      
Buildings, Fixtures and Improvements 1,609      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,475      
Accumulated Depreciation (465)      
Kum & Go [Member] | Fountain, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,131      
Buildings, Fixtures and Improvements 1,696      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,827      
Accumulated Depreciation (478)      
Kum & Go [Member] | Monument, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,192      
Buildings, Fixtures and Improvements 1,457      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,649      
Accumulated Depreciation (411)      
Kum & Go [Member] | Muscatine, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 794      
Buildings, Fixtures and Improvements 1,853      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,647      
Accumulated Depreciation (522)      
Kum & Go [Member] | Ottumwa, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 586      
Buildings, Fixtures and Improvements 1,368      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,954      
Accumulated Depreciation (389)      
Kum & Go [Member] | Sloan, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 447      
Buildings, Fixtures and Improvements 2,162      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,609      
Accumulated Depreciation (531)      
Kum & Go [Member] | Story City, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 223      
Buildings, Fixtures and Improvements 2,089      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,312      
Accumulated Depreciation (457)      
Kum & Go [Member] | Tipton, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 507      
Buildings, Fixtures and Improvements 1,945      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,452      
Accumulated Depreciation (500)      
Kum & Go [Member] | Waukee, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,280      
Buildings, Fixtures and Improvements 1,280      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,560      
Accumulated Depreciation (344)      
Kum & Go [Member] | West Branch, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 219      
Buildings, Fixtures and Improvements 1,089      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,308      
Accumulated Depreciation (235)      
Kum & Go [Member] | Joplin, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 218      
Buildings, Fixtures and Improvements 782      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,000      
Accumulated Depreciation (225)      
Kum & Go [Member] | Joplin, MO 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 205      
Buildings, Fixtures and Improvements 594      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 799      
Accumulated Depreciation (173)      
Kum & Go [Member] | Neosho, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 504      
Buildings, Fixtures and Improvements 1,144      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,648      
Accumulated Depreciation (256)      
Kum & Go [Member] | Tioga, ND [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 318      
Buildings, Fixtures and Improvements 2,863      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,181      
Accumulated Depreciation (814)      
Kum & Go [Member] | Muskogee, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 423      
Buildings, Fixtures and Improvements 1,691      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,114      
Accumulated Depreciation (423)      
Kum & Go [Member] | Muskogee, OK 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 97      
Buildings, Fixtures and Improvements 973      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,070      
Accumulated Depreciation (161)      
Kum & Go [Member] | Cheyenne, WY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 411      
Buildings, Fixtures and Improvements 2,327      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,738      
Accumulated Depreciation (656)      
Kum & Go [Member] | Gillette, WY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 878      
Buildings, Fixtures and Improvements 2,048      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,926      
Accumulated Depreciation (522)      
L.A. Fitness [Member] | Spring, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,970      
Buildings, Fixtures and Improvements 9,290      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 11,260      
Accumulated Depreciation (1,903)      
L.A. Fitness [Member] | Avondale, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,253      
Buildings, Fixtures and Improvements 9,040      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 11,293      
Accumulated Depreciation (1,894)      
L.A. Fitness [Member] | Glendale, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 3,093      
Land 2,177      
Buildings, Fixtures and Improvements 7,568      
Costs Capitalized Subsequent to Acquisition 20      
Gross Amount Carried at December 31, 2017 9,765      
Accumulated Depreciation (1,721)      
L.A. Fitness [Member] | Marana, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,284      
Buildings, Fixtures and Improvements 8,322      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 9,606      
Accumulated Depreciation (1,814)      
L.A. Fitness [Member] | Highland, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 4,547      
Land 2,274      
Buildings, Fixtures and Improvements 8,673      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 10,947      
Accumulated Depreciation (2,010)      
L.A. Fitness [Member] | Boynton, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,485      
Buildings, Fixtures and Improvements 9,945      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 11,430      
Accumulated Depreciation (334)      
L.A. Fitness [Member] | Miami, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,730      
Buildings, Fixtures and Improvements 8,671      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 11,401      
Accumulated Depreciation (300)      
L.A. Fitness [Member] | Tampa, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,084      
Buildings, Fixtures and Improvements 6,500      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 7,584      
Accumulated Depreciation (28)      
L.A. Fitness [Member] | Broadview, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 3,345      
Buildings, Fixtures and Improvements 8,763      
Costs Capitalized Subsequent to Acquisition 276      
Gross Amount Carried at December 31, 2017 12,384      
Accumulated Depreciation (1,862)      
L.A. Fitness [Member] | Oswego, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 3,163      
Buildings, Fixtures and Improvements 8,749      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 11,912      
Accumulated Depreciation (1,934)      
L.A. Fitness [Member] | Tinley Park, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,722      
Buildings, Fixtures and Improvements 8,976      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 10,698      
Accumulated Depreciation (10)      
L.A. Fitness [Member] | Carmel, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,457      
Buildings, Fixtures and Improvements 9,562      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 11,019      
Accumulated Depreciation (2,008)      
L.A. Fitness [Member] | Indianapolis, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,279      
Buildings, Fixtures and Improvements 8,970      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 10,249      
Accumulated Depreciation (1,884)      
L.A. Fitness [Member] | St. Clair Shores, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,163      
Buildings, Fixtures and Improvements 6,787      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 8,950      
Accumulated Depreciation (254)      
L.A. Fitness [Member] | Oakdale, MN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 4,749      
Land 2,315      
Buildings, Fixtures and Improvements 8,315      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 10,630      
Accumulated Depreciation (1,821)      
L.A. Fitness [Member] | Webster, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,922      
Buildings, Fixtures and Improvements 5,102      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 8,024      
Accumulated Depreciation (62)      
L.A. Fitness [Member] | Edmond, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 962      
Buildings, Fixtures and Improvements 6,916      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 7,878      
Accumulated Depreciation (1,320)      
L.A. Fitness [Member] | Easton, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 938      
Buildings, Fixtures and Improvements 10,600      
Costs Capitalized Subsequent to Acquisition 152      
Gross Amount Carried at December 31, 2017 11,690      
Accumulated Depreciation (2,237)      
L.A. Fitness [Member] | Dallas, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 4,712      
Land 2,629      
Buildings, Fixtures and Improvements 10,413      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 13,042      
Accumulated Depreciation (2,079)      
L.A. Fitness [Member] | Denton, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 3,831      
Land 1,888      
Buildings, Fixtures and Improvements 9,568      
Costs Capitalized Subsequent to Acquisition (6)      
Gross Amount Carried at December 31, 2017 11,450      
Accumulated Depreciation (1,966)      
L.A. Fitness [Member] | Duncanville, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,538      
Buildings, Fixtures and Improvements 10,023      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 11,561      
Accumulated Depreciation (2,025)      
L.A. Fitness [Member] | McKinney, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,039      
Buildings, Fixtures and Improvements 7,787      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 9,826      
Accumulated Depreciation (273)      
L.A. Fitness [Member] | Rowlett, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,539      
Buildings, Fixtures and Improvements 7,668      
Costs Capitalized Subsequent to Acquisition 6      
Gross Amount Carried at December 31, 2017 10,213      
Accumulated Depreciation (163)      
Lamrite West [Member] | Strongsville, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 3,078      
Buildings, Fixtures and Improvements 34,076      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 37,154      
Accumulated Depreciation (338)      
Leeann Chin [Member] | Blaine, MN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 480      
Buildings, Fixtures and Improvements 528      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,008      
Accumulated Depreciation (130)      
Leeann Chin [Member] | Chanhassen, MN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 450      
Buildings, Fixtures and Improvements 763      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,213      
Accumulated Depreciation (189)      
Leeann Chin [Member] | Golden Valley, MN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 270      
Buildings, Fixtures and Improvements 776      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,046      
Accumulated Depreciation (192)      
Lee's Famous Recipe Chicken [Member] | Florissant, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 306      
Buildings, Fixtures and Improvements 560      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 866      
Accumulated Depreciation (141)      
Lee's Famous Recipe Chicken [Member] | St. Ann, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 187      
Buildings, Fixtures and Improvements 571      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 758      
Accumulated Depreciation (144)      
Lee's Famous Recipe Chicken [Member] | St. Louis, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 107      
Buildings, Fixtures and Improvements 874      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 981      
Accumulated Depreciation (220)      
Logan's Roadhouse [Member] | Huntsville, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 520      
Buildings, Fixtures and Improvements 4,797      
Costs Capitalized Subsequent to Acquisition (1,363)      
Gross Amount Carried at December 31, 2017 3,954      
Accumulated Depreciation (573)      
Logan's Roadhouse [Member] | Fayetteville, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,570      
Buildings, Fixtures and Improvements 2,182      
Costs Capitalized Subsequent to Acquisition (953)      
Gross Amount Carried at December 31, 2017 2,799      
Accumulated Depreciation (251)      
Logan's Roadhouse [Member] | Hattiesburg, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 890      
Buildings, Fixtures and Improvements 4,012      
Costs Capitalized Subsequent to Acquisition (803)      
Gross Amount Carried at December 31, 2017 4,099      
Accumulated Depreciation (533)      
Logan's Roadhouse [Member] | Owasso, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,449      
Buildings, Fixtures and Improvements 2,173      
Costs Capitalized Subsequent to Acquisition (568)      
Gross Amount Carried at December 31, 2017 3,054      
Accumulated Depreciation (291)      
Logan's Roadhouse [Member] | Clarksville, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,010      
Buildings, Fixtures and Improvements 4,424      
Costs Capitalized Subsequent to Acquisition (1,264)      
Gross Amount Carried at December 31, 2017 4,170      
Accumulated Depreciation (540)      
Logan's Roadhouse [Member] | Cleveland, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 890      
Buildings, Fixtures and Improvements 3,902      
Costs Capitalized Subsequent to Acquisition (1,225)      
Gross Amount Carried at December 31, 2017 3,567      
Accumulated Depreciation (462)      
Logan's Roadhouse [Member] | El Paso, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 320      
Buildings, Fixtures and Improvements 4,731      
Costs Capitalized Subsequent to Acquisition (1,558)      
Gross Amount Carried at December 31, 2017 3,493      
Accumulated Depreciation (528)      
Long John Silver's / A&W [Member] | Merced, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 174      
Buildings, Fixtures and Improvements 695      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 869      
Accumulated Depreciation (163)      
Long John Silver's / A&W [Member] | Collinsville, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 220      
Buildings, Fixtures and Improvements 940      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,160      
Accumulated Depreciation (237)      
Long John Silver's / A&W [Member] | Fairview Heights, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 258      
Buildings, Fixtures and Improvements 525      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 783      
Accumulated Depreciation (132)      
Long John Silver's / A&W [Member] | Jacksonville, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 171      
Buildings, Fixtures and Improvements 431      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 602      
Accumulated Depreciation (109)      
Long John Silver's / A&W [Member] | Litchfield, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 194      
Buildings, Fixtures and Improvements 996      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,190      
Accumulated Depreciation $ (251)