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Schedule III - Real Estate and Accumulated Depreciation - Section 3 (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)
Bank of America [Member] | Merced, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 512      
Buildings, Fixtures and Improvements 2,195      
Costs Capitalized Subsequent to Acquisition 212      
Gross Amount Carried at December 31, 2017 2,919      
Accumulated Depreciation (514)      
Bank of America [Member] | Asheville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 383      
Buildings, Fixtures and Improvements 195      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 578      
Accumulated Depreciation (45)      
Bank of America [Member] | Charlotte, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 62      
Buildings, Fixtures and Improvements 642      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 704      
Accumulated Depreciation (145)      
Banner Life Insurance [Member] | Urbana, MD [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 19,600      
Land 2,733      
Buildings, Fixtures and Improvements 31,483      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 34,216      
Accumulated Depreciation (5,661)      
Beall's [Member] | Lakeland, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,033      
Buildings, Fixtures and Improvements 4,809      
Costs Capitalized Subsequent to Acquisition 18      
Gross Amount Carried at December 31, 2017 6,860      
Accumulated Depreciation (878)      
Becton, Dickinson and Company [Member] | San Antonio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 9,313      
Land 1,666      
Buildings, Fixtures and Improvements 19,092      
Costs Capitalized Subsequent to Acquisition 71      
Gross Amount Carried at December 31, 2017 20,829      
Accumulated Depreciation (3,845)      
Bed Bath & Beyond [Member] | Stockton, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 40,278      
Land 2,761      
Buildings, Fixtures and Improvements 52,454      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 55,215      
Accumulated Depreciation (16,726)      
Bed Bath & Beyond [Member] | Windsor, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 3,032      
Buildings, Fixtures and Improvements 59,649      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 62,681      
Accumulated Depreciation (63)      
Benihana [Member] | Anchorage, AK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,391      
Buildings, Fixtures and Improvements 1,877      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,268      
Accumulated Depreciation (460)      
Benihana [Member] | Miami Beach, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 3,775      
Buildings, Fixtures and Improvements 433      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,208      
Accumulated Depreciation (158)      
Benihana [Member] | Stuart, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,661      
Buildings, Fixtures and Improvements 1,917      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,578      
Accumulated Depreciation (489)      
Benihana [Member] | Alpharetta, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,151      
Buildings, Fixtures and Improvements 1,485      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,636      
Accumulated Depreciation (180)      
Benihana [Member] | Schaumburg, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,319      
Buildings, Fixtures and Improvements 1,396      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,715      
Accumulated Depreciation (357)      
Benihana [Member] | Wheeling, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,896      
Buildings, Fixtures and Improvements 1,273      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,169      
Accumulated Depreciation (205)      
Benihana [Member] | Farmington Hills, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,025      
Buildings, Fixtures and Improvements 2,049      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,074      
Accumulated Depreciation (575)      
Benihana [Member] | Maple Grove, MN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,319      
Buildings, Fixtures and Improvements 2,604      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,923      
Accumulated Depreciation (631)      
Benihana [Member] | Dallas, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,988      
Buildings, Fixtures and Improvements 1,275      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,263      
Accumulated Depreciation (368)      
Best Buy [Member] | Montgomery, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 3,148      
Land 1,370      
Buildings, Fixtures and Improvements 5,749      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 7,119      
Accumulated Depreciation (1,258)      
Best Buy [Member] | Coral Springs, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,715      
Buildings, Fixtures and Improvements 4,843      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 7,558      
Accumulated Depreciation (1,166)      
Best Buy [Member] | Bourbonnais, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,724      
Buildings, Fixtures and Improvements 5,156      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 6,880      
Accumulated Depreciation (1,245)      
Best Buy [Member] | Indianapolis, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 665      
Buildings, Fixtures and Improvements 4,775      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 5,440      
Accumulated Depreciation (1,009)      
Best Buy [Member] | Richmond, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 549      
Buildings, Fixtures and Improvements 4,429      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,978      
Accumulated Depreciation (958)      
Best Buy [Member] | Marquette, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 836      
Buildings, Fixtures and Improvements 4,207      
Costs Capitalized Subsequent to Acquisition 593      
Gross Amount Carried at December 31, 2017 5,636      
Accumulated Depreciation (1,067)      
Best Buy [Member] | Norton Shores, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,568      
Buildings, Fixtures and Improvements 4,099      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 5,667      
Accumulated Depreciation (865)      
Best Buy [Member] | Southaven, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,045      
Buildings, Fixtures and Improvements 4,318      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 6,363      
Accumulated Depreciation (983)      
Best Buy [Member] | Tupelo, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 484      
Buildings, Fixtures and Improvements 1,934      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,418      
Accumulated Depreciation (393)      
Best Buy [Member] | Pineville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,818      
Buildings, Fixtures and Improvements 7,970      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 9,788      
Accumulated Depreciation (1,687)      
Best Buy [Member] | Findlay, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 3,313      
Buildings, Fixtures and Improvements 37,568      
Costs Capitalized Subsequent to Acquisition 2,346      
Gross Amount Carried at December 31, 2017 43,227      
Accumulated Depreciation (903)      
Best Buy [Member] | Kenosha, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,925      
Buildings, Fixtures and Improvements 5,503      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 7,428      
Accumulated Depreciation (1,162)      
BHC Marketing [Member] | The Woodlands, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 4,724      
Buildings, Fixtures and Improvements 40,332      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 45,056      
Accumulated Depreciation (7,944)      
Big Lots [Member] | Chester, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 335      
Buildings, Fixtures and Improvements 3,373      
Costs Capitalized Subsequent to Acquisition 169      
Gross Amount Carried at December 31, 2017 3,877      
Accumulated Depreciation (805)      
Big O Tires [Member] | Phoenix, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 782      
Land 206      
Buildings, Fixtures and Improvements 1,367      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,573      
Accumulated Depreciation (265)      
Big O Tires [Member] | Los Lunas, NM [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 316      
Buildings, Fixtures and Improvements 1,265      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,581      
Accumulated Depreciation (392)      
Bi-Lo's Grocery [Member] | Greenwood, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 533      
Buildings, Fixtures and Improvements 4,212      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 4,745      
Accumulated Depreciation (898)      
Bi-Lo's Grocery [Member] | Mt Pleasant, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 4,093      
Buildings, Fixtures and Improvements 8,594      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 12,687      
Accumulated Depreciation (1,845)      
BJ's Wholesale Club [Member] | Boynton Beach, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 5,569      
Buildings, Fixtures and Improvements 10,931      
Costs Capitalized Subsequent to Acquisition (15)      
Gross Amount Carried at December 31, 2017 16,485      
Accumulated Depreciation (2,220)      
BJ's Wholesale Club [Member] | Jacksonville, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 5,929      
Buildings, Fixtures and Improvements 16,348      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 22,277      
Accumulated Depreciation (2,903)      
BJ's Wholesale Club [Member] | Pembroke Pines, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 8,446      
Land 5,104      
Buildings, Fixtures and Improvements 7,661      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 12,765      
Accumulated Depreciation (1,614)      
BJ's Wholesale Club [Member] | Greenfield, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 8,416      
Land 2,168      
Buildings, Fixtures and Improvements 14,002      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 16,170      
Accumulated Depreciation (2,383)      
BJ's Wholesale Club [Member] | Leominster, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 3,585      
Buildings, Fixtures and Improvements 21,344      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 24,929      
Accumulated Depreciation (3,609)      
BJ's Wholesale Club [Member] | Uxbridge, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 12,645      
Land 5,538      
Buildings, Fixtures and Improvements 36,445      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 41,983      
Accumulated Depreciation (5,686)      
BJ's Wholesale Club [Member] | California, MD [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 6,882      
Buildings, Fixtures and Improvements 10,196      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 17,078      
Accumulated Depreciation (2,027)      
BJ's Wholesale Club [Member] | Westminister, MD [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 13,978      
Land 6,516      
Buildings, Fixtures and Improvements 13,860      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 20,376      
Accumulated Depreciation (2,724)      
BJ's Wholesale Club [Member] | Auburn, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,674      
Buildings, Fixtures and Improvements 16,510      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 19,184      
Accumulated Depreciation (2,707)      
BJ's Wholesale Club [Member] | Portsmouth, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 4,216      
Buildings, Fixtures and Improvements 25,454      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 29,670      
Accumulated Depreciation (4,163)      
BJ's Wholesale Club [Member] | Deptford, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 11,004      
Land 6,558      
Buildings, Fixtures and Improvements 12,490      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 19,048      
Accumulated Depreciation (2,202)      
BJ's Wholesale Club [Member] | North Canton, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 6,787      
Land 456      
Buildings, Fixtures and Improvements 8,668      
Costs Capitalized Subsequent to Acquisition 422      
Gross Amount Carried at December 31, 2017 9,546      
Accumulated Depreciation (2,989)      
BJ's Wholesale Club [Member] | Lancaster, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 13,621      
Land 3,400      
Buildings, Fixtures and Improvements 16,782      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 20,182      
Accumulated Depreciation (3,182)      
Black Angus [Member] | Dublin, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 620      
Buildings, Fixtures and Improvements 2,467      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,087      
Accumulated Depreciation (631)      
Black Bear Diner [Member] | Colorado Springs, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 480      
Buildings, Fixtures and Improvements 809      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,289      
Accumulated Depreciation (207)      
Black Meg 43 [Member] | Copperas Cove, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 151      
Buildings, Fixtures and Improvements 151      
Costs Capitalized Subsequent to Acquisition (106)      
Gross Amount Carried at December 31, 2017 196      
Accumulated Depreciation 0      
Blue Goose Cantina Mexican [Member] | Grapevine, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 572      
Buildings, Fixtures and Improvements 868      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,440      
Accumulated Depreciation (226)      
Bob Evans [Member] | Indianapolis, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 430      
Buildings, Fixtures and Improvements 708      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,138      
Accumulated Depreciation (13)      
Bob Evans [Member] | Newark, DE [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 869      
Buildings, Fixtures and Improvements 810      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,679      
Accumulated Depreciation (13)      
Bob Evans [Member] | East Peoria, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 717      
Buildings, Fixtures and Improvements 1,142      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,859      
Accumulated Depreciation (21)      
Bob Evans [Member] | Jackson, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 980      
Buildings, Fixtures and Improvements 1,305      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,285      
Accumulated Depreciation (22)      
Bob Evans [Member] | Muskegon, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 550      
Buildings, Fixtures and Improvements 860      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,410      
Accumulated Depreciation (15)      
Bob Evans [Member] | Amherst, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 163      
Buildings, Fixtures and Improvements 1,557      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,720      
Accumulated Depreciation (27)      
Bob Evans [Member] | Brunswick, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,147      
Buildings, Fixtures and Improvements 1,088      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,235      
Accumulated Depreciation (20)      
Bob Evans [Member] | Cincinnati, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 563      
Buildings, Fixtures and Improvements 1,706      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,269      
Accumulated Depreciation (32)      
Bob Evans [Member] | Cincinnati, OH 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 601      
Buildings, Fixtures and Improvements 1,529      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,130      
Accumulated Depreciation (29)      
Bob Evans [Member] | Lancaster, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 626      
Buildings, Fixtures and Improvements 1,546      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,172      
Accumulated Depreciation (28)      
Bob Evans [Member] | Lima, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 366      
Buildings, Fixtures and Improvements 1,631      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,997      
Accumulated Depreciation (30)      
Bob Evans [Member] | Marion, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 469      
Buildings, Fixtures and Improvements 1,657      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,126      
Accumulated Depreciation (30)      
Bob Evans [Member] | Medina, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 496      
Buildings, Fixtures and Improvements 1,050      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,546      
Accumulated Depreciation (20)      
Bob Evans [Member] | Mentor, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 626      
Buildings, Fixtures and Improvements 929      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,555      
Accumulated Depreciation (17)      
Bob Evans [Member] | Mount Vernon, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 343      
Buildings, Fixtures and Improvements 1,338      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,681      
Accumulated Depreciation (25)      
Bob Evans [Member] | Stow, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 418      
Buildings, Fixtures and Improvements 1,416      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,834      
Accumulated Depreciation (27)      
Bob Evans [Member] | Troy, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 512      
Buildings, Fixtures and Improvements 1,255      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,767      
Accumulated Depreciation (23)      
Bob Evans [Member] | Wapakoneta, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 253      
Buildings, Fixtures and Improvements 1,479      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,732      
Accumulated Depreciation (28)      
Bob Evans [Member] | Willoughby, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 675      
Buildings, Fixtures and Improvements 1,262      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,937      
Accumulated Depreciation (23)      
Bob Evans [Member] | Xenia, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 337      
Buildings, Fixtures and Improvements 1,433      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,770      
Accumulated Depreciation (27)      
Bob Evans [Member] | Phoenixville, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 495      
Buildings, Fixtures and Improvements 438      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 933      
Accumulated Depreciation (7)      
Bob Evans [Member] | Wilkes-Barre, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 373      
Buildings, Fixtures and Improvements 714      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,087      
Accumulated Depreciation (12)      
Bob's Stores [Member] | Randolph, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 2,840      
Buildings, Fixtures and Improvements 6,826      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 9,666      
Accumulated Depreciation (1,689)      
Bojangles [Member] | Greenwood, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 440      
Buildings, Fixtures and Improvements 1,320      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,760      
Accumulated Depreciation (453)      
Bojangles [Member] | Winder, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 645      
Buildings, Fixtures and Improvements 1,198      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,843      
Accumulated Depreciation (439)      
Bojangles [Member] | Biscoe, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 247      
Buildings, Fixtures and Improvements 986      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,233      
Accumulated Depreciation (351)      
Bojangles [Member] | Boone, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 278      
Buildings, Fixtures and Improvements 833      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,111      
Accumulated Depreciation (305)      
Bojangles [Member] | Denver, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,013      
Buildings, Fixtures and Improvements 1,881      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,894      
Accumulated Depreciation (442)      
Bojangles [Member] | Dobson, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 251      
Buildings, Fixtures and Improvements 1,004      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,255      
Accumulated Depreciation (368)      
Bojangles [Member] | Hickory, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 749      
Buildings, Fixtures and Improvements 1,789      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,538      
Accumulated Depreciation (450)      
Bojangles [Member] | Indian Trail, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 655      
Buildings, Fixtures and Improvements 1,217      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,872      
Accumulated Depreciation (445)      
Bojangles [Member] | Morganton, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 566      
Buildings, Fixtures and Improvements 1,321      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,887      
Accumulated Depreciation (484)      
Bojangles [Member] | Roanoke, Rapids, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 442      
Buildings, Fixtures and Improvements 1,032      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,474      
Accumulated Depreciation (378)      
Bojangles [Member] | Southport, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 505      
Buildings, Fixtures and Improvements 1,179      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,684      
Accumulated Depreciation (431)      
Bojangles [Member] | Statesville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 646      
Buildings, Fixtures and Improvements 1,937      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,583      
Accumulated Depreciation (456)      
Bojangles [Member] | Taylorsville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 436      
Buildings, Fixtures and Improvements 1,108      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,544      
Accumulated Depreciation (279)      
Bojangles [Member] | Troutman, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 718      
Buildings, Fixtures and Improvements 1,077      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,795      
Accumulated Depreciation (319)      
Bojangles [Member] | Chapin, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 577      
Buildings, Fixtures and Improvements 1,071      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,648      
Accumulated Depreciation (389)      
Bojangles [Member] | Clinton, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 397      
Buildings, Fixtures and Improvements 926      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,323      
Accumulated Depreciation (339)      
Bojangles [Member] | Fountain Inn, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 287      
Buildings, Fixtures and Improvements 1,150      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,437      
Accumulated Depreciation (341)      
Bojangles [Member] | Moncks Corner, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 505      
Buildings, Fixtures and Improvements 1,179      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,684      
Accumulated Depreciation (420)      
Bojangles [Member] | Walterboro, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 454      
Buildings, Fixtures and Improvements 1,363      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,817      
Accumulated Depreciation (485)      
Bonefish Grill [Member] | Lakeland, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 750      
Buildings, Fixtures and Improvements 1,897      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,647      
Accumulated Depreciation (446)      
Bonefish Grill [Member] | Independence, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 895      
Buildings, Fixtures and Improvements 2,252      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 3,147      
Accumulated Depreciation (549)      
Bonefish Grill [Member] | Gainesville, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 751      
Buildings, Fixtures and Improvements 1,325      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,076      
Accumulated Depreciation (465)      
Boston Market [Member] | Indianapolis, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 930      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 350      
Gross Amount Carried at December 31, 2017 1,280      
Accumulated Depreciation (46)      
Boston Market [Member] | Indianapolis, IN 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 410      
Buildings, Fixtures and Improvements 1,070      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,480      
Accumulated Depreciation (264)      
Boston Market [Member] | Fayetteville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 460      
Buildings, Fixtures and Improvements 1,520      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,980      
Accumulated Depreciation (376)      
Boston Market [Member] | Raleigh, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 280      
Buildings, Fixtures and Improvements 1,015      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,295      
Accumulated Depreciation (251)      
Brick House Tavern &Tap [Member] | W. Windsor, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 1,043      
Land 1,307      
Buildings, Fixtures and Improvements 1,498      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,805      
Accumulated Depreciation (283)      
Bridgestone Tire [Member] | Kansas City, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 651      
Buildings, Fixtures and Improvements 1,954      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,605      
Accumulated Depreciation (524)      
Bruegger's Bagels [Member] | Raleigh, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 230      
Buildings, Fixtures and Improvements 654      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 884      
Accumulated Depreciation (162)      
Bruegger's Bagels [Member] | Iowa City, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 40      
Buildings, Fixtures and Improvements 379      
Costs Capitalized Subsequent to Acquisition (8)      
Gross Amount Carried at December 31, 2017 411      
Accumulated Depreciation (94)      
Bruegger's Bagels [Member] | Durham, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 312      
Buildings, Fixtures and Improvements 728      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,040      
Accumulated Depreciation (171)      
Buca di Beppo Italian [Member] | Wheeling, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 450      
Buildings, Fixtures and Improvements 1,272      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,722      
Accumulated Depreciation (325)      
Buca di Beppo Italian [Member] | Westlake, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 370      
Buildings, Fixtures and Improvements 887      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,257      
Accumulated Depreciation (227)      
Buffalo Wild Wings [Member] | Langhorne, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 815      
Buildings, Fixtures and Improvements 815      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,630      
Accumulated Depreciation (216)      
Bunge North America [Member] | Fort Worth, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,100      
Buildings, Fixtures and Improvements 8,433      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 9,533      
Accumulated Depreciation (1,878)      
Burger King [Member] | Asheville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 728      
Buildings, Fixtures and Improvements 595      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,323      
Accumulated Depreciation (140)      
Burger King [Member] | Anchorage, AK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 427      
Buildings, Fixtures and Improvements 489      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 916      
Accumulated Depreciation (123)      
Burger King [Member] | Alpharetta, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 635      
Buildings, Fixtures and Improvements 865      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,500      
Accumulated Depreciation (218)      
Burger King [Member] | Willoughby, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 410      
Buildings, Fixtures and Improvements 1,005      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,415      
Accumulated Depreciation (248)      
Burger King [Member] | Kansas City, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 444      
Buildings, Fixtures and Improvements 1,036      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,480      
Accumulated Depreciation (244)      
Burger King [Member] | Durham, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 170      
Buildings, Fixtures and Improvements 352      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 522      
Accumulated Depreciation (87)      
Burger King [Member] | Andalusia, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 181      
Buildings, Fixtures and Improvements 1,025      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,206      
Accumulated Depreciation (241)      
Burger King [Member] | Atmore, AL [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 (170)      
Burger King [Member] | Brewton, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 307      
Buildings, Fixtures and Improvements 920      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,227      
Accumulated Depreciation (216)      
Burger King [Member] | Dothan, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 628      
Buildings, Fixtures and Improvements 1,167      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,795      
Accumulated Depreciation (274)      
Burger King [Member] | Dothan, AL 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 594      
Buildings, Fixtures and Improvements 1,104      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,698      
Accumulated Depreciation (260)      
Burger King [Member] | Enterprise, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 437      
Buildings, Fixtures and Improvements 655      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,092      
Accumulated Depreciation (154)      
Burger King [Member] | Evergreen, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 172      
Buildings, Fixtures and Improvements 689      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 861      
Accumulated Depreciation (162)      
Burger King [Member] | Monroeville, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 325      
Buildings, Fixtures and Improvements 604      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 929      
Accumulated Depreciation (142)      
Burger King [Member] | Opp, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 214      
Buildings, Fixtures and Improvements 857      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,071      
Accumulated Depreciation (202)      
Burger King [Member] | Troy, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 461      
Buildings, Fixtures and Improvements 1,383      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,844      
Accumulated Depreciation (325)      
Burger King [Member] | Sierra Vista, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 260      
Buildings, Fixtures and Improvements 1,041      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,301      
Accumulated Depreciation (245)      
Burger King [Member] | Tucson, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 300      
Buildings, Fixtures and Improvements 1,307      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,607      
Accumulated Depreciation (323)      
Burger King [Member] | Denver, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 872      
Buildings, Fixtures and Improvements 1,242      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,114      
Accumulated Depreciation (313)      
Burger King [Member] | Clearwater, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 981      
Buildings, Fixtures and Improvements 591      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,572      
Accumulated Depreciation (149)      
Burger King [Member] | Defuniak Springs, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 362      
Buildings, Fixtures and Improvements 1,087      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,449      
Accumulated Depreciation (256)      
Burger King [Member] | Largo, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 683      
Buildings, Fixtures and Improvements 412      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,095      
Accumulated Depreciation (104)      
Burger King [Member] | Niceville, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 598      
Buildings, Fixtures and Improvements 399      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 997      
Accumulated Depreciation (94)      
Burger King [Member] | Panama City, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 319      
Buildings, Fixtures and Improvements 956      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,275      
Accumulated Depreciation (225)      
Burger King [Member] | Springfield, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 324      
Buildings, Fixtures and Improvements 971      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,295      
Accumulated Depreciation (228)      
Burger King [Member] | Tallahassee, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 720      
Buildings, Fixtures and Improvements 720      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,440      
Accumulated Depreciation (169)      
Burger King [Member] | Tallahassee, FL 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 843      
Buildings, Fixtures and Improvements 454      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,297      
Accumulated Depreciation (107)      
Burger King [Member] | Alpharetta, GA 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,128      
Buildings, Fixtures and Improvements 977      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,105      
Accumulated Depreciation (246)      
Burger King [Member] | Alpharetta, GA 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 795      
Buildings, Fixtures and Improvements 943      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,738      
Accumulated Depreciation (237)      
Burger King [Member] | Alpharetta, GA 4 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 501      
Buildings, Fixtures and Improvements 1,219      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,720      
Accumulated Depreciation (307)      
Burger King [Member] | Atlanta, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 380      
Buildings, Fixtures and Improvements 499      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 879      
Accumulated Depreciation (123)      
Burger King [Member] | Augusta, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 693      
Buildings, Fixtures and Improvements 2,080      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,773      
Accumulated Depreciation (489)      
Burger King [Member] | Bainbridge, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 347      
Buildings, Fixtures and Improvements 1,042      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,389      
Accumulated Depreciation (245)      
Burger King [Member] | Cairo, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 245      
Buildings, Fixtures and Improvements 981      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,226      
Accumulated Depreciation (231)      
Burger King [Member] | Fort Oglethorpe, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 170      
Buildings, Fixtures and Improvements 2,175      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,345      
Accumulated Depreciation (537)      
Burger King [Member] | Martinez, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 909      
Buildings, Fixtures and Improvements 1,350      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,259      
Accumulated Depreciation (340)      
Burger King [Member] | Roswell, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 495      
Buildings, Fixtures and Improvements 1,156      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,651      
Accumulated Depreciation (272)      
Burger King [Member] | Thomson, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 748      
Buildings, Fixtures and Improvements 876      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,624      
Accumulated Depreciation (221)      
Burger King [Member] | Valdosta, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 564      
Buildings, Fixtures and Improvements 376      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 940      
Accumulated Depreciation (88)      
Burger King [Member] | Des Moines, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,160      
Buildings, Fixtures and Improvements 949      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,109      
Accumulated Depreciation (223)      
Burger King [Member] | Perry, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 557      
Buildings, Fixtures and Improvements 680      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,237      
Accumulated Depreciation (160)      
Burger King [Member] | Red Oak, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 334      
Buildings, Fixtures and Improvements 1,002      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,336      
Accumulated Depreciation (236)      
Burger King [Member] | Shenandoah, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 313      
Buildings, Fixtures and Improvements 582      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 895      
Accumulated Depreciation (137)      
Burger King [Member] | Stuart, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 607      
Buildings, Fixtures and Improvements 911      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,518      
Accumulated Depreciation (214)      
Burger King [Member] | Maywood, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 860      
Buildings, Fixtures and Improvements 1,051      
Costs Capitalized Subsequent to Acquisition (357)      
Gross Amount Carried at December 31, 2017 1,554      
Accumulated Depreciation (119)      
Burger King [Member] | Springfield, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 354      
Buildings, Fixtures and Improvements 677      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,031      
Accumulated Depreciation (170)      
Burger King [Member] | Gary, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 544      
Buildings, Fixtures and Improvements 606      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,150      
Accumulated Depreciation (152)      
Burger King [Member] | Cut Off, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 726      
Buildings, Fixtures and Improvements 1,088      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,814      
Accumulated Depreciation (256)      
Burger King [Member] | Gonzales, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 380      
Buildings, Fixtures and Improvements 465      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 845      
Accumulated Depreciation (109)      
Burger King [Member] | Lake Charles, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 456      
Buildings, Fixtures and Improvements 456      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 912      
Accumulated Depreciation (107)      
Burger King [Member] | Lake Charles, LA 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 610      
Buildings, Fixtures and Improvements 746      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,356      
Accumulated Depreciation (175)      
Burger King [Member] | Metairie, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 728      
Buildings, Fixtures and Improvements 392      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,120      
Accumulated Depreciation (92)      
Burger King [Member] | Opelousas, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 964      
Buildings, Fixtures and Improvements 964      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,928      
Accumulated Depreciation (227)      
Burger King [Member] | Raceland, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 356      
Buildings, Fixtures and Improvements 533      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 889      
Accumulated Depreciation (125)      
Burger King [Member] | Amesbury, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 835      
Buildings, Fixtures and Improvements 1,217      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,052      
Accumulated Depreciation (306)      
Burger King [Member] | Springfield, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 983      
Buildings, Fixtures and Improvements 516      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,499      
Accumulated Depreciation (130)      
Burger King [Member] | Caribou, ME [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 770      
Buildings, Fixtures and Improvements 440      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,210      
Accumulated Depreciation (109)      
Burger King [Member] | Belding, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 221      
Buildings, Fixtures and Improvements 411      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 632      
Accumulated Depreciation (97)      
Burger King [Member] | Detroit, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 614      
Buildings, Fixtures and Improvements 331      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 945      
Accumulated Depreciation (78)      
Burger King [Member] | Grand Rapids, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 490      
Buildings, Fixtures and Improvements 545      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,035      
Accumulated Depreciation (135)      
Burger King [Member] | Grand Rapids, MI 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 260      
Buildings, Fixtures and Improvements 780      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,040      
Accumulated Depreciation (193)      
Burger King [Member] | Grand Rapids, MI 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 346      
Buildings, Fixtures and Improvements 807      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,153      
Accumulated Depreciation (190)      
Burger King [Member] | Holland, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 420      
Buildings, Fixtures and Improvements 707      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,127      
Accumulated Depreciation (175)      
Burger King [Member] | Hudsonville, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 451      
Buildings, Fixtures and Improvements 676      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,127      
Accumulated Depreciation (159)      
Burger King [Member] | L'Anse, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 32      
Buildings, Fixtures and Improvements 616      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 648      
Accumulated Depreciation (145)      
Burger King [Member] | Sparta, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 640      
Buildings, Fixtures and Improvements 570      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,210      
Accumulated Depreciation (141)      
Burger King [Member] | Spring Lake, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 341      
Buildings, Fixtures and Improvements 512      
Costs Capitalized Subsequent to Acquisition (222)      
Gross Amount Carried at December 31, 2017 631      
Accumulated Depreciation (10)      
Burger King [Member] | Walker, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 305      
Buildings, Fixtures and Improvements 711      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,016      
Accumulated Depreciation (167)      
Burger King [Member] | Warren, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 248      
Buildings, Fixtures and Improvements 745      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 993      
Accumulated Depreciation (175)      
Burger King [Member] | Hastings, MN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 328      
Buildings, Fixtures and Improvements 608      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 936      
Accumulated Depreciation (143)      
Burger King [Member] | Brandon, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 649      
Buildings, Fixtures and Improvements 1,513      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,162      
Accumulated Depreciation (381)      
Burger King [Member] | Clarksdale, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 865      
Buildings, Fixtures and Improvements 865      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,730      
Accumulated Depreciation (204)      
Burger King [Member] | Cleveland, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 688      
Buildings, Fixtures and Improvements 1,606      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,294      
Accumulated Depreciation (378)      
Burger King [Member] | Greenville, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 573      
Buildings, Fixtures and Improvements 1,337      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,910      
Accumulated Depreciation (314)      
Burger King [Member] | Greenville, MS 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 351      
Buildings, Fixtures and Improvements 820      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,171      
Accumulated Depreciation (193)      
Burger King [Member] | Greenwood, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 692      
Buildings, Fixtures and Improvements 1,038      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,730      
Accumulated Depreciation (244)      
Burger King [Member] | Grenada, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 536      
Buildings, Fixtures and Improvements 805      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,341      
Accumulated Depreciation (189)      
Burger King [Member] | Philadelphia, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 402      
Buildings, Fixtures and Improvements 939      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,341      
Accumulated Depreciation (221)      
Burger King [Member] | Yazoo City, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 489      
Buildings, Fixtures and Improvements 909      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,398      
Accumulated Depreciation (214)      
Burger King [Member] | Chadbourn, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 353      
Buildings, Fixtures and Improvements 797      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,150      
Accumulated Depreciation (201)      
Burger King [Member] | Claremont, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 646      
Buildings, Fixtures and Improvements 646      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,292      
Accumulated Depreciation (162)      
Burger King [Member] | Clinton, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 494      
Buildings, Fixtures and Improvements 801      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,295      
Accumulated Depreciation (202)      
Burger King [Member] | Wilmington, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 573      
Buildings, Fixtures and Improvements 870      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,443      
Accumulated Depreciation (219)      
Burger King [Member] | Blair, NE [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 272      
Buildings, Fixtures and Improvements 1,087      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,359      
Accumulated Depreciation (256)      
Burger King [Member] | Wahoo, NE [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 196      
Buildings, Fixtures and Improvements 1,109      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,305      
Accumulated Depreciation (261)      
Burger King [Member] | Dover, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 1,159      
Buildings, Fixtures and Improvements 952      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 2,111      
Accumulated Depreciation (240)      
Burger King [Member] | Nashua, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 655      
Buildings, Fixtures and Improvements 655      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,310      
Accumulated Depreciation (154)      
Burger King [Member] | Edison, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 480      
Buildings, Fixtures and Improvements 1,075      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,555      
Accumulated Depreciation (266)      
Burger King [Member] | Elko, NV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 260      
Buildings, Fixtures and Improvements 1,001      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,261      
Accumulated Depreciation (247)      
Burger King [Member] | Albany, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 330      
Buildings, Fixtures and Improvements 850      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,180      
Accumulated Depreciation (210)      
Burger King [Member] | Central Square, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 500      
Buildings, Fixtures and Improvements 1,189      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,689      
Accumulated Depreciation (294)      
Burger King [Member] | Cohoes, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 270      
Buildings, Fixtures and Improvements 563      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 833      
Accumulated Depreciation (139)      
Burger King [Member] | Hamburg, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 403      
Buildings, Fixtures and Improvements 383      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 786      
Accumulated Depreciation (96)      
Burger King [Member] | Irondequoit, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 988      
Buildings, Fixtures and Improvements 659      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,647      
Accumulated Depreciation (155)      
Burger King [Member] | Montgomery, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 480      
Buildings, Fixtures and Improvements 1,042      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,522      
Accumulated Depreciation (258)      
Burger King [Member] | Schenectady, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 380      
Buildings, Fixtures and Improvements 936      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,316      
Accumulated Depreciation (231)      
Burger King [Member] | Syracuse, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 606      
Buildings, Fixtures and Improvements 606      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,212      
Accumulated Depreciation (142)      
Burger King [Member] | Dayton, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 569      
Buildings, Fixtures and Improvements 466      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,035      
Accumulated Depreciation (110)      
Burger King [Member] | Mansfield, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 191      
Buildings, Fixtures and Improvements 766      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 957      
Accumulated Depreciation (180)      
Burger King [Member] | New Philadelphia, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 419      
Buildings, Fixtures and Improvements 779      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,198      
Accumulated Depreciation (183)      
Burger King [Member] | Ardmore, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2017 0      
Land 270      
Buildings, Fixtures and Improvements 1,023      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2017 1,293      
Accumulated Depreciation $ (253)