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Schedule III Schedule III - Section 11 (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 $ 3,039,882      
Land 3,154,879      
Buildings, Fixtures and Improvements 11,387,348      
Costs Capitalized Subsequent to Acquisition 24,116      
Gross Amount Carried at December 31, 2015 14,566,343 $ 15,857,507 $ 6,699,547 $ 1,684,115
Accumulated Depreciation (1,331,751) $ (775,050) $ (205,712) $ (45,050)
Family Dollar [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Family Dollar [Member] | San Benito, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 598      
Land 132      
Buildings, Fixtures and Improvements 772      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 904      
Accumulated Depreciation (79)      
Family Dollar [Member] | San Diego, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 602      
Land 55      
Buildings, Fixtures and Improvements 855      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 910      
Accumulated Depreciation (87)      
Family Dollar [Member] | Seadrift, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 51      
Buildings, Fixtures and Improvements 832      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 883      
Accumulated Depreciation (50)      
Family Dollar [Member] | Somerville, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 131      
Buildings, Fixtures and Improvements 743      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 874      
Accumulated Depreciation (127)      
Family Dollar [Member] | Sonora, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 49      
Buildings, Fixtures and Improvements 548      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 597      
Accumulated Depreciation (40)      
Family Dollar [Member] | Tyler, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 416      
Land 132      
Buildings, Fixtures and Improvements 554      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 686      
Accumulated Depreciation (56)      
Family Dollar [Member] | Victoria, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 441      
Buildings, Fixtures and Improvements 144      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 585      
Accumulated Depreciation (18)      
Family Dollar [Member] | Waco, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 440      
Land 125      
Buildings, Fixtures and Improvements 544      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 669      
Accumulated Depreciation (56)      
Family Dollar [Member] | Weatherford, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 218      
Buildings, Fixtures and Improvements 1,057      
Costs Capitalized Subsequent to Acquisition (5)      
Gross Amount Carried at December 31, 2015 1,270      
Accumulated Depreciation (80)      
Family Dollar [Member] | Beaver, UT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 646      
Land 107      
Buildings, Fixtures and Improvements 913      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,020      
Accumulated Depreciation (94)      
Family Dollar [Member] | Bristol, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 608      
Land 104      
Buildings, Fixtures and Improvements 837      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 941      
Accumulated Depreciation (90)      
Family Dollar [Member] | Gretna, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 131      
Buildings, Fixtures and Improvements 744      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 875      
Accumulated Depreciation (103)      
Family Dollar [Member] | Hopewell, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 430      
Buildings, Fixtures and Improvements 987      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,417      
Accumulated Depreciation (107)      
Family Dollar [Member] | Petersburg, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 948      
Land 142      
Buildings, Fixtures and Improvements 1,209      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,351      
Accumulated Depreciation (130)      
Family Dollar [Member] | Stuart, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 204      
Buildings, Fixtures and Improvements 750      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 954      
Accumulated Depreciation (38)      
Family Dollar [Member] | Wirtz, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 148      
Buildings, Fixtures and Improvements 919      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,067      
Accumulated Depreciation (55)      
Family Dollar [Member] | Green Bay, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 304      
Buildings, Fixtures and Improvements 1,072      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,376      
Accumulated Depreciation (112)      
Family Dollar [Member] | Markesan, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 92      
Buildings, Fixtures and Improvements 831      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 923      
Accumulated Depreciation (95)      
Family Dollar [Member] | Mayville, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 128      
Buildings, Fixtures and Improvements 1,023      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,151      
Accumulated Depreciation (110)      
Family Dollar [Member] | Milwaukee, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 970      
Land 161      
Buildings, Fixtures and Improvements 1,397      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,558      
Accumulated Depreciation (139)      
Family Dollar [Member] | Thorp, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 90      
Buildings, Fixtures and Improvements 810      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 900      
Accumulated Depreciation (108)      
Family Dollar [Member] | Webster, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 43      
Buildings, Fixtures and Improvements 808      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 851      
Accumulated Depreciation (112)      
Family Dollar [Member] | Alderson, WV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 166      
Buildings, Fixtures and Improvements 663      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 829      
Accumulated Depreciation (92)      
Family Dollar [Member] | Kemmerer, WY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 45      
Buildings, Fixtures and Improvements 853      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 898      
Accumulated Depreciation (138)      
Family Dollar [Member] | Mountain View, WY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 44      
Buildings, Fixtures and Improvements 838      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 882      
Accumulated Depreciation (108)      
Family Dollar [Member] | Torrington, WY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 72      
Buildings, Fixtures and Improvements 645      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 717      
Accumulated Depreciation (95)      
Family Dollar [Member] | Des Moines, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 152      
Buildings, Fixtures and Improvements 863      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,015      
Accumulated Depreciation (115)      
Family Dollar [Member] | Tulsa, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 536      
Land 220      
Buildings, Fixtures and Improvements 878      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,098      
Accumulated Depreciation (171)      
Family Dollar [Member] | Horn Lake, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 225      
Buildings, Fixtures and Improvements 676      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 901      
Accumulated Depreciation (128)      
Family Dollar [Member] | Jackson, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 93      
Buildings, Fixtures and Improvements 525      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 618      
Accumulated Depreciation (68)      
Family Dollar [Member] | Asheboro, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 251      
Buildings, Fixtures and Improvements 932      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,183      
Accumulated Depreciation (57)      
Family Dollar [Member] | Fayetteville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 267      
Buildings, Fixtures and Improvements 682      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 949      
Accumulated Depreciation (69)      
Family Dollar [Member] | Lumberton, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 151      
Buildings, Fixtures and Improvements 603      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 754      
Accumulated Depreciation (78)      
Family Dollar [Member] | Dallas, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 627      
Land 292      
Buildings, Fixtures and Improvements 676      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 968      
Accumulated Depreciation (72)      
Family Dollar [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 174      
Buildings, Fixtures and Improvements 696      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 870      
Accumulated Depreciation (106)      
Family Dollar [Member] | Kansas City, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 290      
Buildings, Fixtures and Improvements 1,170      
Costs Capitalized Subsequent to Acquisition (5)      
Gross Amount Carried at December 31, 2015 1,455      
Accumulated Depreciation (84)      
Family Dollar [Member] | Fort Worth, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 276      
Buildings, Fixtures and Improvements 935      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,211      
Accumulated Depreciation (18)      
Family Dollar [Member] | San Angelo, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 891      
Land 232      
Buildings, Fixtures and Improvements 1,118      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,350      
Accumulated Depreciation (115)      
Family Dollar [Member] | Arlington, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 300      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 1,058      
Gross Amount Carried at December 31, 2015 1,358      
Accumulated Depreciation 0      
Family Dollar [Member] | Palatka, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 316      
Buildings, Fixtures and Improvements 1,054      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,370      
Accumulated Depreciation (102)      
Family Fare Supermarket [Member] | Battle Creek, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,393      
Buildings, Fixtures and Improvements 7,950      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 9,343      
Accumulated Depreciation (830)      
Famous Dave's [Member] | Independence, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 620      
Buildings, Fixtures and Improvements 422      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,042      
Accumulated Depreciation (59)      
Farmers Insurance [Member] | Simi Valley, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 25,620      
Land 5,158      
Buildings, Fixtures and Improvements 12,614      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 17,772      
Accumulated Depreciation (644)      
Farmers Insurance [Member] | Mercer Island, WA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 24,285      
Buildings, Fixtures and Improvements 28,210      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 52,495      
Accumulated Depreciation (2,944)      
Fazoli's [Member] | Carmel, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 427      
Buildings, Fixtures and Improvements 522      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 949      
Accumulated Depreciation (68)      
Fazoli's [Member] | Appleton, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 705      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 705      
Accumulated Depreciation 0      
FedEx [Member] | Homewood, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 522      
Buildings, Fixtures and Improvements 779      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,301      
Accumulated Depreciation (111)      
FedEx [Member] | Lowell, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 396      
Buildings, Fixtures and Improvements 7,521      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 7,917      
Accumulated Depreciation (1,281)      
FedEx [Member] | Tempe, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 2,914      
Buildings, Fixtures and Improvements 12,300      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 15,214      
Accumulated Depreciation (956)      
FedEx [Member] | Yuma, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 1,296      
Land 0      
Buildings, Fixtures and Improvements 2,076      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,076      
Accumulated Depreciation (412)      
FedEx [Member] | Chico, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 308      
Buildings, Fixtures and Improvements 2,776      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,084      
Accumulated Depreciation (529)      
FedEx [Member] | Commerce City, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 20,394      
Land 6,556      
Buildings, Fixtures and Improvements 26,224      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 32,780      
Accumulated Depreciation (6,065)      
FedEx [Member] | Melbourne, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 159      
Buildings, Fixtures and Improvements 1,433      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,592      
Accumulated Depreciation (215)      
FedEx [Member] | Albany, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 195      
Buildings, Fixtures and Improvements 3,711      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,906      
Accumulated Depreciation (500)      
FedEx [Member] | Des Moines, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 1,318      
Land 733      
Buildings, Fixtures and Improvements 1,361      
Costs Capitalized Subsequent to Acquisition 156      
Gross Amount Carried at December 31, 2015 2,250      
Accumulated Depreciation (228)      
FedEx [Member] | Ottumwa, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 1,658      
Land 205      
Buildings, Fixtures and Improvements 2,552      
Costs Capitalized Subsequent to Acquisition 2,719      
Gross Amount Carried at December 31, 2015 5,476      
Accumulated Depreciation (582)      
FedEx [Member] | Waterloo, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 1,867      
Land 152      
Buildings, Fixtures and Improvements 2,882      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,034      
Accumulated Depreciation (491)      
FedEx [Member] | Effingham, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 6,992      
Land 1,875      
Buildings, Fixtures and Improvements 14,827      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 16,702      
Accumulated Depreciation (1,314)      
FedEx [Member] | Kankakee, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 195      
Buildings, Fixtures and Improvements 1,103      
Costs Capitalized Subsequent to Acquisition (18)      
Gross Amount Carried at December 31, 2015 1,280      
Accumulated Depreciation (241)      
FedEx [Member] | Mt. Vernon, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 222      
Buildings, Fixtures and Improvements 1,259      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,481      
Accumulated Depreciation (278)      
FedEx [Member] | Quincy, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 1,514      
Land 371      
Buildings, Fixtures and Improvements 2,101      
Costs Capitalized Subsequent to Acquisition 3,011      
Gross Amount Carried at December 31, 2015 5,483      
Accumulated Depreciation (422)      
FedEx [Member] | Rockford, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 2,571      
Buildings, Fixtures and Improvements 12,567      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 15,138      
Accumulated Depreciation (127)      
FedEx [Member] | Evansville, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 665      
Buildings, Fixtures and Improvements 2,661      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,326      
Accumulated Depreciation (588)      
FedEx [Member] | Kokomo, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 2,296      
Land 186      
Buildings, Fixtures and Improvements 3,541      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,727      
Accumulated Depreciation (819)      
FedEx [Member] | Lafayette, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 2,215      
Land 768      
Buildings, Fixtures and Improvements 4,128      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 4,896      
Accumulated Depreciation (355)      
FedEx [Member] | Bel Aire, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 433      
Buildings, Fixtures and Improvements 8,678      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 9,111      
Accumulated Depreciation (89)      
FedEx [Member] | Independence, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 1,406      
Land 114      
Buildings, Fixtures and Improvements 2,166      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,280      
Accumulated Depreciation (424)      
FedEx [Member] | Hazard, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 2,625      
Land 215      
Buildings, Fixtures and Improvements 4,085      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 4,300      
Accumulated Depreciation (820)      
FedEx [Member] | London, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 191      
Buildings, Fixtures and Improvements 1,081      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,272      
Accumulated Depreciation (239)      
FedEx [Member] | London, KY 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 350      
Buildings, Fixtures and Improvements 3,151      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,501      
Accumulated Depreciation (425)      
FedEx [Member] | Bossier City, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 295      
Buildings, Fixtures and Improvements 6,223      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 6,518      
Accumulated Depreciation (580)      
FedEx [Member] | Grand Rapids, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 4,800      
Land 1,797      
Buildings, Fixtures and Improvements 7,189      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 8,986      
Accumulated Depreciation (1,553)      
FedEx [Member] | Port Huron, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 125      
Buildings, Fixtures and Improvements 1,121      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,246      
Accumulated Depreciation (180)      
FedEx [Member] | Roseville, MN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 6,073      
Land 1,462      
Buildings, Fixtures and Improvements 8,282      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 9,744      
Accumulated Depreciation (1,579)      
FedEx [Member] | Columbia, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,402      
Buildings, Fixtures and Improvements 7,794      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 9,196      
Accumulated Depreciation (478)      
FedEx [Member] | Mccomb, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 548      
Buildings, Fixtures and Improvements 3,268      
Costs Capitalized Subsequent to Acquisition 2,105      
Gross Amount Carried at December 31, 2015 5,921      
Accumulated Depreciation (278)      
FedEx [Member] | Butte, MT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 5,060      
Land 403      
Buildings, Fixtures and Improvements 7,653      
Costs Capitalized Subsequent to Acquisition 2,763      
Gross Amount Carried at December 31, 2015 10,819      
Accumulated Depreciation (2,064)      
FedEx [Member] | Greenville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 363      
Buildings, Fixtures and Improvements 6,903      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 7,266      
Accumulated Depreciation (1,632)      
FedEx [Member] | Belmont, NH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 1,786      
Land 265      
Buildings, Fixtures and Improvements 2,386      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,651      
Accumulated Depreciation (588)      
FedEx [Member] | Wendover, NV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 262      
Buildings, Fixtures and Improvements 1,483      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,745      
Accumulated Depreciation (260)      
FedEx [Member] | Winnemucca, NV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 280      
Buildings, Fixtures and Improvements 1,585      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,865      
Accumulated Depreciation (278)      
FedEx [Member] | Blauvelt, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 26,100      
Land 14,420      
Buildings, Fixtures and Improvements 26,779      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 41,199      
Accumulated Depreciation (6,058)      
FedEx [Member] | Marcy, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 339      
Buildings, Fixtures and Improvements 5,795      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 6,134      
Accumulated Depreciation (595)      
FedEx [Member] | Montgomery, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 3,582      
Buildings, Fixtures and Improvements 20,071      
Costs Capitalized Subsequent to Acquisition 363      
Gross Amount Carried at December 31, 2015 24,016      
Accumulated Depreciation (2,316)      
FedEx [Member] | Plattsburg, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 2,614      
Land 801      
Buildings, Fixtures and Improvements 3,982      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 4,783      
Accumulated Depreciation (401)      
FedEx [Member] | Chillicothe, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 143      
Buildings, Fixtures and Improvements 1,284      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,427      
Accumulated Depreciation (284)      
FedEx [Member] | Lebanon, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 6,034      
Land 1,492      
Buildings, Fixtures and Improvements 8,452      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 9,944      
Accumulated Depreciation (1,292)      
FedEx [Member] | Northwood, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 2,410      
Land 674      
Buildings, Fixtures and Improvements 5,497      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 6,171      
Accumulated Depreciation (478)      
FedEx [Member] | Tulsa, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 458      
Buildings, Fixtures and Improvements 8,695      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 9,153      
Accumulated Depreciation (2,055)      
FedEx [Member] | Tulsa, OK 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,476      
Buildings, Fixtures and Improvements 18,054      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 19,530      
Accumulated Depreciation (2,109)      
FedEx [Member] | Mount Pleasant, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 454      
Buildings, Fixtures and Improvements 1,912      
Costs Capitalized Subsequent to Acquisition 397      
Gross Amount Carried at December 31, 2015 2,763      
Accumulated Depreciation (439)      
FedEx [Member] | Tinicum, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 0      
Buildings, Fixtures and Improvements 32,180      
Costs Capitalized Subsequent to Acquisition 549      
Gross Amount Carried at December 31, 2015 32,729      
Accumulated Depreciation (4,670)      
FedEx [Member] | Rapid City, SD [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 1,868      
Land 305      
Buildings, Fixtures and Improvements 2,741      
Costs Capitalized Subsequent to Acquisition 4,142      
Gross Amount Carried at December 31, 2015 7,188      
Accumulated Depreciation (508)      
FedEx [Member] | Blountvulle, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 3,700      
Land 562      
Buildings, Fixtures and Improvements 5,056      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 5,618      
Accumulated Depreciation (1,195)      
FedEx [Member] | Humboldt, TN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 2,930      
Land 239      
Buildings, Fixtures and Improvements 4,543      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 4,782      
Accumulated Depreciation (958)      
FedEx [Member] | Bryan, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,422      
Buildings, Fixtures and Improvements 4,763      
Costs Capitalized Subsequent to Acquisition 67      
Gross Amount Carried at December 31, 2015 6,252      
Accumulated Depreciation (768)      
FedEx [Member] | Dublin, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 683      
Buildings, Fixtures and Improvements 3,164      
Costs Capitalized Subsequent to Acquisition 1,768      
Gross Amount Carried at December 31, 2015 5,615      
Accumulated Depreciation (342)      
FedEx [Member] | Omak, WA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 1,023      
Land 252      
Buildings, Fixtures and Improvements 1,425      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,677      
Accumulated Depreciation (286)      
FedEx [Member] | Wenatchee, WA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 1,630      
Land 266      
Buildings, Fixtures and Improvements 2,393      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,659      
Accumulated Depreciation (481)      
FedEx [Member] | Parkersburg, WV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 2,379      
Land 193      
Buildings, Fixtures and Improvements 3,671      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,864      
Accumulated Depreciation (737)      
FedEx [Member] | Riverton, WY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 431      
Buildings, Fixtures and Improvements 1,006      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,437      
Accumulated Depreciation (136)      
Fire Mountain Buffet [Member] | Bossier City, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,168      
Buildings, Fixtures and Improvements 2,594      
Costs Capitalized Subsequent to Acquisition (1,518)      
Gross Amount Carried at December 31, 2015 2,244      
Accumulated Depreciation (52)      
Fire Mountain Buffet [Member] | Cullman, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 847      
Buildings, Fixtures and Improvements 2,390      
Costs Capitalized Subsequent to Acquisition (1,118)      
Gross Amount Carried at December 31, 2015 2,119      
Accumulated Depreciation (52)      
Fire Mountain Buffet [Member] | Tuscaloosa, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 244      
Buildings, Fixtures and Improvements 1,306      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,550      
Accumulated Depreciation (156)      
Fire Mountain Buffet [Member] | Searcy, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 231      
Buildings, Fixtures and Improvements 1,286      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,517      
Accumulated Depreciation (179)      
Fire Mountain Buffet [Member] | Hagerstown, MD [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 244      
Buildings, Fixtures and Improvements 1,306      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,550      
Accumulated Depreciation (302)      
Fire Mountain Buffet [Member] | West Plains, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 249      
Buildings, Fixtures and Improvements 1,313      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,562      
Accumulated Depreciation (236)      
Fire Mountain Buffet [Member] | Horn Lake, MS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 925      
Buildings, Fixtures and Improvements 2,463      
Costs Capitalized Subsequent to Acquisition (1,369)      
Gross Amount Carried at December 31, 2015 2,019      
Accumulated Depreciation (49)      
Fire Mountain Buffet [Member] | Beaver Falls, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 243      
Buildings, Fixtures and Improvements 1,304      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,547      
Accumulated Depreciation (194)      
Fire Mountain Buffet [Member] | Mechanicsburg, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 253      
Buildings, Fixtures and Improvements 1,319      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,572      
Accumulated Depreciation (257)      
Fire Mountain Buffet [Member] | Summerville, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 245      
Buildings, Fixtures and Improvements 1,308      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,553      
Accumulated Depreciation (183)      
Fire Mountain Buffet [Member] | Charleston, WV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 243      
Buildings, Fixtures and Improvements 1,305      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,548      
Accumulated Depreciation (213)      
First Bank [Member] | Pinellas Park, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 630      
Buildings, Fixtures and Improvements 1,470      
Costs Capitalized Subsequent to Acquisition 4      
Gross Amount Carried at December 31, 2015 2,104      
Accumulated Depreciation (174)      
Fleming's Steakhouse [Member] | Englewood, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,152      
Buildings, Fixtures and Improvements 3,055      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 4,207      
Accumulated Depreciation (348)      
Flint Energy Technologies [Member] | Rhome, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 284      
Buildings, Fixtures and Improvements 1,752      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,036      
Accumulated Depreciation (114)      
FMC Corp. [Member] | Mechanicsville, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 3,991      
Land 2,108      
Buildings, Fixtures and Improvements 3,315      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 5,423      
Accumulated Depreciation (485)      
Folsom Gateway II [Member] | Folsom, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 21,600      
Land 10,314      
Buildings, Fixtures and Improvements 27,983      
Costs Capitalized Subsequent to Acquisition 132      
Gross Amount Carried at December 31, 2015 38,429      
Accumulated Depreciation (2,647)      
Food Lion [Member] | Moyock, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,269      
Buildings, Fixtures and Improvements 2,950      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 4,219      
Accumulated Depreciation (334)      
Forum Energy Technology [Member] | Guthrie, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 393      
Buildings, Fixtures and Improvements 1,305      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,698      
Accumulated Depreciation (96)      
Forum Energy Technology [Member] | Gainesville, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 123      
Buildings, Fixtures and Improvements 6,019      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 6,142      
Accumulated Depreciation (424)      
Forum Energy Technology [Member] | Gainesville, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 158      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 158      
Accumulated Depreciation 0      
Fresenius Medical Care [Member] | Bossier City, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 120      
Buildings, Fixtures and Improvements 682      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 802      
Accumulated Depreciation (95)      
Fresenius Medical Care [Member] | Fairhope, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 0      
Buildings, Fixtures and Improvements 2,035      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,035      
Accumulated Depreciation (235)      
Fresenius Medical Care [Member] | Foley, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 287      
Buildings, Fixtures and Improvements 2,580      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,867      
Accumulated Depreciation (298)      
Fresenius Medical Care [Member] | Mobile, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 278      
Buildings, Fixtures and Improvements 2,505      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,783      
Accumulated Depreciation (289)      
Fresenius Medical Care [Member] | Defuniak Springs, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 115      
Buildings, Fixtures and Improvements 2,180      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,295      
Accumulated Depreciation (252)      
Fresenius Medical Care [Member] | Aurora, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 2,294      
Land 287      
Buildings, Fixtures and Improvements 2,584      
Costs Capitalized Subsequent to Acquisition (22)      
Gross Amount Carried at December 31, 2015 2,849      
Accumulated Depreciation (418)      
Fresenius Medical Care [Member] | Chicago, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 588      
Buildings, Fixtures and Improvements 1,764      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,352      
Accumulated Depreciation (287)      
Fresenius Medical Care [Member] | Waukegan, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 94      
Buildings, Fixtures and Improvements 1,792      
Costs Capitalized Subsequent to Acquisition 50      
Gross Amount Carried at December 31, 2015 1,936      
Accumulated Depreciation (293)      
Fresenius Medical Care [Member] | Peru, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 69      
Buildings, Fixtures and Improvements 1,305      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,374      
Accumulated Depreciation (217)      
Fresenius Medical Care [Member] | Caro, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 92      
Buildings, Fixtures and Improvements 1,744      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,836      
Accumulated Depreciation (290)      
Fresenius Medical Care [Member] | Jackson, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 1,948      
Land 137      
Buildings, Fixtures and Improvements 2,603      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,740      
Accumulated Depreciation (433)      
Fresenius Medical Care [Member] | Albemarle, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 139      
Buildings, Fixtures and Improvements 1,253      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,392      
Accumulated Depreciation (160)      
Fresenius Medical Care [Member] | Angiers, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 203      
Buildings, Fixtures and Improvements 1,152      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,355      
Accumulated Depreciation (147)      
Fresenius Medical Care [Member] | Asheboro, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 2,373      
Land 323      
Buildings, Fixtures and Improvements 2,903      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,226      
Accumulated Depreciation (369)      
Fresenius Medical Care [Member] | Clinton, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 139      
Buildings, Fixtures and Improvements 2,655      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,794      
Accumulated Depreciation (316)      
Fresenius Medical Care [Member] | Fairmont, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 201      
Buildings, Fixtures and Improvements 1,819      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,020      
Accumulated Depreciation (217)      
Fresenius Medical Care [Member] | Fayetteville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 420      
Buildings, Fixtures and Improvements 2,379      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,799      
Accumulated Depreciation (284)      
Fresenius Medical Care [Member] | Fayetteville, NC 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 134      
Buildings, Fixtures and Improvements 2,551      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,685      
Accumulated Depreciation (305)      
Fresenius Medical Care [Member] | Fayetteville, NC 3 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 178      
Buildings, Fixtures and Improvements 3,379      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,557      
Accumulated Depreciation (404)      
Fresenius Medical Care [Member] | Lumberton, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 117      
Buildings, Fixtures and Improvements 2,216      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,333      
Accumulated Depreciation (265)      
Fresenius Medical Care [Member] | Pembroke, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 81      
Buildings, Fixtures and Improvements 1,547      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,628      
Accumulated Depreciation (185)      
Fresenius Medical Care [Member] | Red Springs, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 101      
Buildings, Fixtures and Improvements 1,913      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,014      
Accumulated Depreciation (228)      
Fresenius Medical Care [Member] | Roseboro, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 74      
Buildings, Fixtures and Improvements 1,404      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,478      
Accumulated Depreciation (168)      
Fresenius Medical Care [Member] | St. Pauls, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 73      
Buildings, Fixtures and Improvements 1,389      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,462      
Accumulated Depreciation (166)      
Fresenius Medical Care [Member] | Taylorsville, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 275      
Buildings, Fixtures and Improvements 1,099      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,374      
Accumulated Depreciation (140)      
Fresenius Medical Care [Member] | Warsaw, NC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 75      
Buildings, Fixtures and Improvements 1,428      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,503      
Accumulated Depreciation (210)      
Fresenius Medical Care [Member] | Kings Mills, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 399      
Buildings, Fixtures and Improvements 598      
Costs Capitalized Subsequent to Acquisition 6      
Gross Amount Carried at December 31, 2015 1,003      
Accumulated Depreciation (97)      
Fresenius Medical Care [Member] | Dallas, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 377      
Buildings, Fixtures and Improvements 1,132      
Costs Capitalized Subsequent to Acquisition (42)      
Gross Amount Carried at December 31, 2015 1,467      
Accumulated Depreciation (145)      
Front Range Community College [Member] | Longmont, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 407      
Buildings, Fixtures and Improvements 2,428      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,835      
Accumulated Depreciation (297)      
Front Range Community College [Member] | Longmont, CO 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,150      
Buildings, Fixtures and Improvements 9,067      
Costs Capitalized Subsequent to Acquisition 531      
Gross Amount Carried at December 31, 2015 10,748      
Accumulated Depreciation (1,110)      
Furr's [Member] | Garland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,529      
Buildings, Fixtures and Improvements 3,715      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 5,244      
Accumulated Depreciation (541)      
Gainsville Fuel [Member] | Cleburne, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 70      
Buildings, Fixtures and Improvements 0      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 70      
Accumulated Depreciation 0      
Gander Mountain [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 2,640      
Buildings, Fixtures and Improvements 10,559      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 13,199      
Accumulated Depreciation (960)      
Garden Ridge [Member] | Stockbridge, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 2,057      
Buildings, Fixtures and Improvements 8,967      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 11,024      
Accumulated Depreciation (920)      
GE Aviation [Member] | Auburn, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 24,133      
Land 1,627      
Buildings, Fixtures and Improvements 30,920      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 32,547      
Accumulated Depreciation (5,097)      
GE Engine [Member] | Winfield, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,078      
Buildings, Fixtures and Improvements 5,087      
Costs Capitalized Subsequent to Acquisition 7      
Gross Amount Carried at December 31, 2015 6,172      
Accumulated Depreciation (1,438)      
General Electric [Member] | Longmont, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,402      
Buildings, Fixtures and Improvements 15,640      
Costs Capitalized Subsequent to Acquisition 781      
Gross Amount Carried at December 31, 2015 17,823      
Accumulated Depreciation (1,962)      
General Mills [Member] | Geneva, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 16,555      
Land 7,457      
Buildings, Fixtures and Improvements 22,371      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 29,828      
Accumulated Depreciation (4,947)      
General Mills [Member] | Fort Wayne, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 2,533      
Buildings, Fixtures and Improvements 48,130      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 50,663      
Accumulated Depreciation (9,419)      
General Service Administration [Member] | Mobile, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 268      
Buildings, Fixtures and Improvements 5,095      
Costs Capitalized Subsequent to Acquisition 49      
Gross Amount Carried at December 31, 2015 5,412      
Accumulated Depreciation (993)      
General Service Administration [Member] | Birmingham, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,400      
Buildings, Fixtures and Improvements 8,830      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 10,230      
Accumulated Depreciation (1,074)      
General Service Administration [Member] | North Birmingham, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 2,982      
Buildings, Fixtures and Improvements 19,982      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 22,964      
Accumulated Depreciation (2,467)      
General Service Administration [Member] | Springerville, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 148      
Buildings, Fixtures and Improvements 2,810      
Costs Capitalized Subsequent to Acquisition 348      
Gross Amount Carried at December 31, 2015 3,306      
Accumulated Depreciation (545)      
General Service Administration [Member] | Craig, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 129      
Buildings, Fixtures and Improvements 1,159      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,288      
Accumulated Depreciation (258)      
General Service Administration [Member] | Cocoa, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 500      
Land 253      
Buildings, Fixtures and Improvements 1,435      
Costs Capitalized Subsequent to Acquisition 15      
Gross Amount Carried at December 31, 2015 1,703      
Accumulated Depreciation (320)      
General Service Administration [Member] | Stuart, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 900      
Buildings, Fixtures and Improvements 3,600      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 4,500      
Accumulated Depreciation (751)      
General Service Administration [Member] | Grangeville, ID [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 2,100      
Land 317      
Buildings, Fixtures and Improvements 6,023      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 6,340      
Accumulated Depreciation (1,256)      
General Service Administration [Member] | Kansas City, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 14,010      
Land 4,264      
Buildings, Fixtures and Improvements 29,678      
Costs Capitalized Subsequent to Acquisition 66      
Gross Amount Carried at December 31, 2015 34,008      
Accumulated Depreciation (3,519)      
General Service Administration [Member] | Springfield, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 131      
Buildings, Fixtures and Improvements 2,489      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,620      
Accumulated Depreciation (496)      
General Service Administration [Member] | Albany, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 10,137      
Land 2,470      
Buildings, Fixtures and Improvements 11,836      
Costs Capitalized Subsequent to Acquisition 107      
Gross Amount Carried at December 31, 2015 14,413      
Accumulated Depreciation (1,585)      
General Service Administration [Member] | Freeport, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 843      
Buildings, Fixtures and Improvements 3,372      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 4,215      
Accumulated Depreciation (734)      
General Service Administration [Member] | Plattsburgh, NY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 508      
Buildings, Fixtures and Improvements 4,572      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 5,080      
Accumulated Depreciation (891)      
General Service Administration [Member] | Warren, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 341      
Buildings, Fixtures and Improvements 3,114      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,455      
Accumulated Depreciation (609)      
General Service Administration [Member] | Ponce, PR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,780      
Buildings, Fixtures and Improvements 9,313      
Costs Capitalized Subsequent to Acquisition 273      
Gross Amount Carried at December 31, 2015 11,366      
Accumulated Depreciation (1,412)      
General Service Administration [Member] | Austin, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,570      
Buildings, Fixtures and Improvements 3,057      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 4,627      
Accumulated Depreciation (478)      
General Service Administration [Member] | Fort Worth, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 477      
Buildings, Fixtures and Improvements 4,294      
Costs Capitalized Subsequent to Acquisition (4)      
Gross Amount Carried at December 31, 2015 4,767      
Accumulated Depreciation (855)      
General Service Administration [Member] | Gloucester, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 287      
Buildings, Fixtures and Improvements 1,628      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,915      
Accumulated Depreciation (317)      
Genlyte Thomas Group, LLC. [Member] | Franklin Park, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 4,561      
Land 958      
Buildings, Fixtures and Improvements 3,176      
Costs Capitalized Subsequent to Acquisition (1,337)      
Gross Amount Carried at December 31, 2015 2,797      
Accumulated Depreciation 0      
Giant Eagle [Member] | Gahanna, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 3,549      
Buildings, Fixtures and Improvements 16,736      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 20,285      
Accumulated Depreciation (1,480)      
Giant Eagle [Member] | Lancaster, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 2,210      
Buildings, Fixtures and Improvements 15,649      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 17,859      
Accumulated Depreciation (1,345)      
Glen's Market [Member] | Manistee, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 294      
Buildings, Fixtures and Improvements 6,694      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 6,988      
Accumulated Depreciation (657)      
Globe Energy Services [Member] | Hobbs, NM [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 358      
Buildings, Fixtures and Improvements 1,129      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,487      
Accumulated Depreciation (93)      
Globe Energy Services [Member] | Big Springs, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 426      
Buildings, Fixtures and Improvements 599      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,025      
Accumulated Depreciation (51)      
Globe Energy Services [Member] | Levelland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 42      
Buildings, Fixtures and Improvements 1,887      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,929      
Accumulated Depreciation (154)      
Globe Energy Services [Member] | Midland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,063      
Buildings, Fixtures and Improvements 528      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,591      
Accumulated Depreciation (45)      
Globe Energy Services [Member] | Midland, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,013      
Buildings, Fixtures and Improvements 968      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,981      
Accumulated Depreciation (73)      
Globe Energy Services [Member] | Monahans, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 50      
Buildings, Fixtures and Improvements 538      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 588      
Accumulated Depreciation (44)      
Globe Energy Services [Member] | Odessa, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 104      
Buildings, Fixtures and Improvements 1,259      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,363      
Accumulated Depreciation (84)      
Globe Energy Services [Member] | Odessa, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 500      
Buildings, Fixtures and Improvements 3,891      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 4,391      
Accumulated Depreciation (323)      
Globe Energy Services [Member] | San Angelo, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 821      
Buildings, Fixtures and Improvements 1,658      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,479      
Accumulated Depreciation (123)      
Globe Energy Services [Member] | Snyder, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 466      
Buildings, Fixtures and Improvements 588      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,054      
Accumulated Depreciation (52)      
Globe Energy Services [Member] | Snyder, TX 2 [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 174      
Buildings, Fixtures and Improvements 1,189      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 1,363      
Accumulated Depreciation (82)      
GM Financial [Member] | Arlington, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 24,301      
Land 7,901      
Buildings, Fixtures and Improvements 35,553      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 43,454      
Accumulated Depreciation (4,188)      
GoFrac, LLC [Member] | Weatherford, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 102      
Buildings, Fixtures and Improvements 3,386      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,488      
Accumulated Depreciation (527)      
Golden Corral [Member] | Bristol, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 750      
Buildings, Fixtures and Improvements 2,276      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,026      
Accumulated Depreciation (321)      
Golden Corral [Member] | Independence, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,425      
Buildings, Fixtures and Improvements 2,437      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,862      
Accumulated Depreciation (278)      
Golden Corral [Member] | Albany, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 460      
Buildings, Fixtures and Improvements 1,863      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,323      
Accumulated Depreciation (263)      
Golden Corral [Member] | Evansville, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 670      
Buildings, Fixtures and Improvements 2,707      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,377      
Accumulated Depreciation (382)      
Golden Corral [Member] | Kokomo, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 780      
Buildings, Fixtures and Improvements 2,107      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,887      
Accumulated Depreciation (297)      
Golden Corral [Member] | Tulsa, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 280      
Buildings, Fixtures and Improvements 3,890      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 4,170      
Accumulated Depreciation (548)      
Golden Corral [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,147      
Buildings, Fixtures and Improvements 2,447      
Costs Capitalized Subsequent to Acquisition (64)      
Gross Amount Carried at December 31, 2015 3,530      
Accumulated Depreciation (357)      
Golden Corral [Member] | Fort Wayne, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 820      
Buildings, Fixtures and Improvements 1,935      
Costs Capitalized Subsequent to Acquisition (1,353)      
Gross Amount Carried at December 31, 2015 1,402      
Accumulated Depreciation (31)      
Golden Corral [Member] | San Angelo, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 644      
Buildings, Fixtures and Improvements 1,702      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,346      
Accumulated Depreciation (183)      
Golden Corral [Member] | Gilbert, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 871      
Buildings, Fixtures and Improvements 2,910      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 3,781      
Accumulated Depreciation (424)      
Golden Corral [Member] | Goodyear, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 686      
Buildings, Fixtures and Improvements 1,939      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,625      
Accumulated Depreciation (283)      
Golden Corral [Member] | Surprise, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,258      
Buildings, Fixtures and Improvements 4,068      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 5,326      
Accumulated Depreciation (593)      
Golden Corral [Member] | Bakersfield, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 2,664      
Buildings, Fixtures and Improvements 2,078      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 4,742      
Accumulated Depreciation (258)      
Golden Corral [Member] | Palatka, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 853      
Buildings, Fixtures and Improvements 1,048      
Costs Capitalized Subsequent to Acquisition (471)      
Gross Amount Carried at December 31, 2015 1,430      
Accumulated Depreciation (24)      
Golden Corral [Member] | Brunswick, GA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 390      
Buildings, Fixtures and Improvements 2,093      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,483      
Accumulated Depreciation (295)      
Golden Corral [Member] | Council Bluffs, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,140      
Buildings, Fixtures and Improvements 1,460      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,600      
Accumulated Depreciation (206)      
Golden Corral [Member] | Clarksville, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances at December 31, 2015 0      
Land 1,061      
Buildings, Fixtures and Improvements 1,344      
Costs Capitalized Subsequent to Acquisition 0      
Gross Amount Carried at December 31, 2015 2,405      
Accumulated Depreciation $ (193)