Schedule III - Real Estate and Accumulated Depreciation - Section 12 (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	$ 1,917,132
Land	2,884,968
Buildings, Fixtures and Improvements	10,791,126
Costs Capitalized Subsequent to Acquisition	(83,654)
Gross Amount Carried at December 31, 2018	13,592,440	$ 13,577,700	$ 13,539,921	$ 14,566,343
Accumulated Depreciation	(2,622,879)	$ (2,217,108)	$ (1,766,006)	$ (1,331,751)
Golden Corral [Member] | Elyria, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,167
Buildings, Fixtures and Improvements	1,599
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,766
Accumulated Depreciation	(409)
Golden Corral [Member] | Fairfield, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	859
Buildings, Fixtures and Improvements	1,135
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,994
Accumulated Depreciation	(302)
Golden Corral [Member] | Grove City, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	926
Buildings, Fixtures and Improvements	1,859
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,785
Accumulated Depreciation	(478)
Golden Corral [Member] | Northfield, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	947
Buildings, Fixtures and Improvements	1,061
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,008
Accumulated Depreciation	(264)
Golden Corral [Member] | Ontario, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	616
Buildings, Fixtures and Improvements	2,412
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	3,028
Accumulated Depreciation	(652)
Golden Corral [Member] | Springfield, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	619
Buildings, Fixtures and Improvements	1,142
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,761
Accumulated Depreciation	(285)
Golden Corral [Member] | Toledo, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	838
Buildings, Fixtures and Improvements	3,333
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	4,171
Accumulated Depreciation	(836)
Golden Corral [Member] | Zanesville, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	487
Buildings, Fixtures and Improvements	2,030
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,517
Accumulated Depreciation	(616)
Golden Corral [Member] | Midwest City, OK [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,175
Buildings, Fixtures and Improvements	1,708
Costs Capitalized Subsequent to Acquisition	(983)
Gross Amount Carried at December 31, 2018	1,900
Accumulated Depreciation	(225)
Golden Corral [Member] | Norman, OK [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	345
Buildings, Fixtures and Improvements	2,107
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,452
Accumulated Depreciation	(640)
Golden Corral [Member] | Tulsa, OK [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	280
Buildings, Fixtures and Improvements	3,890
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	4,170
Accumulated Depreciation	(1,171)
Golden Corral [Member] | Monroeville, PA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,647
Buildings, Fixtures and Improvements	849
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,496
Accumulated Depreciation	(164)
Golden Corral [Member] | Rock Hill, SC [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	320
Buildings, Fixtures and Improvements	2,130
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,450
Accumulated Depreciation	(641)
Golden Corral [Member] | Cookeville, TN [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	800
Buildings, Fixtures and Improvements	1,937
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,737
Accumulated Depreciation	(583)
Golden Corral [Member] | Baytown, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	596
Buildings, Fixtures and Improvements	1,788
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,384
Accumulated Depreciation	(502)
Golden Corral [Member] | College Station, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,265
Buildings, Fixtures and Improvements	1,718
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,983
Accumulated Depreciation	(522)
Golden Corral [Member] | Houston, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,147
Buildings, Fixtures and Improvements	2,447
Costs Capitalized Subsequent to Acquisition	(64)
Gross Amount Carried at December 31, 2018	3,530
Accumulated Depreciation	(743)
Golden Corral [Member] | San Angelo, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	644
Buildings, Fixtures and Improvements	1,702
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,346
Accumulated Depreciation	(476)
Golden Corral [Member] | Spring, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	3,342
Buildings, Fixtures and Improvements	1,207
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	4,549
Accumulated Depreciation	(416)
Golden Corral [Member] | Texarkana, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	758
Buildings, Fixtures and Improvements	3,031
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	3,789
Accumulated Depreciation	(850)
Golden Corral [Member] | Bristol, VA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	750
Buildings, Fixtures and Improvements	2,276
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	3,026
Accumulated Depreciation	(685)
Golden Corral [Member] | Beckley, WV [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,248
Buildings, Fixtures and Improvements	2,258
Costs Capitalized Subsequent to Acquisition	(2,507)
Gross Amount Carried at December 31, 2018	999
Accumulated Depreciation	(129)
Golden Corral [Member] | Cincinnati, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	694
Buildings, Fixtures and Improvements	2,066
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,760
Accumulated Depreciation	(558)
Golden Corral [Member] | Akron, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	640
Buildings, Fixtures and Improvements	2,133
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,773
Accumulated Depreciation	(550)
Golden Corral [Member] | Columbus, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	770
Buildings, Fixtures and Improvements	2,476
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	3,246
Accumulated Depreciation	(745)
Goodyear [Member] | Cumming, GA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	534
Buildings, Fixtures and Improvements	2,516
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	3,050
Accumulated Depreciation	(617)
Goodyear [Member] | Cumming, GA 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,085
Buildings, Fixtures and Improvements	1,915
Costs Capitalized Subsequent to Acquisition	(11)
Gross Amount Carried at December 31, 2018	2,989
Accumulated Depreciation	(499)
Goodyear [Member] | McDonough, GA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	10,674
Land	1,797
Buildings, Fixtures and Improvements	21,264
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	23,061
Accumulated Depreciation	(6,512)
Goodyear [Member] | Stockbridge, GA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	12,994
Land	1,222
Buildings, Fixtures and Improvements	32,119
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	33,341
Accumulated Depreciation	(10,169)
Goodyear [Member] | Dekalb, IL [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	19,491
Land	4,476
Buildings, Fixtures and Improvements	44,516
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	48,992
Accumulated Depreciation	(14,086)
Goodyear [Member] | Lockbourne, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	12,716
Land	3,107
Buildings, Fixtures and Improvements	28,868
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	31,975
Accumulated Depreciation	(8,750)
Goodyear [Member] | York, PA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	22,090
Land	1,980
Buildings, Fixtures and Improvements	53,396
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	55,376
Accumulated Depreciation	(15,992)
Goodyear [Member] | Columbia, SC [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	656
Buildings, Fixtures and Improvements	2,077
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,733
Accumulated Depreciation	(519)
Goodyear [Member] | Corpus Christi, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	753
Buildings, Fixtures and Improvements	1,737
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,490
Accumulated Depreciation	(425)
Goodyear [Member] | Terrell, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	14,851
Land	2,516
Buildings, Fixtures and Improvements	34,804
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	37,320
Accumulated Depreciation	(10,998)
The Gorilla Glue Company [Member] | Cincinnati, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	5,563
Buildings, Fixtures and Improvements	34,887
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	40,450
Accumulated Depreciation	(1,491)
Grandy's [Member] | Ardmore, OK [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	454
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	454
Accumulated Depreciation	0
Grandy's [Member] | Moore, OK [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	320
Buildings, Fixtures and Improvements	428
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	748
Accumulated Depreciation	0
Grandy's [Member] | Oklahoma City, OK [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	260
Buildings, Fixtures and Improvements	380
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	640
Accumulated Depreciation	0
Grandy's [Member] | Oklahoma City, OK 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	320
Buildings, Fixtures and Improvements	289
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	609
Accumulated Depreciation	0
Grandy's [Member] | Arlington, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	734
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	734
Accumulated Depreciation	0
Grandy's [Member] | Carrollton, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	847
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	847
Accumulated Depreciation	0
Grandy's [Member] | Dallas, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	725
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	725
Accumulated Depreciation	0
Grandy's [Member] | Dallas, TX 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	357
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	357
Accumulated Depreciation	0
Grandy's [Member] | Fort Worth, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	777
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	777
Accumulated Depreciation	0
Grandy's [Member] | Fort Worth, TX 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	811
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	811
Accumulated Depreciation	0
Grandy's [Member] | Garland, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	623
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	623
Accumulated Depreciation	0
Grandy's [Member] | Garland, TX 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	859
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	859
Accumulated Depreciation	0
Grandy's [Member] | Greenville, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	847
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	847
Accumulated Depreciation	0
Grandy's [Member] | Irving, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	871
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	871
Accumulated Depreciation	0
Grandy's [Member] | Lancaster, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	780
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	780
Accumulated Depreciation	0
Grandy's [Member] | Mesquite, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	871
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	871
Accumulated Depreciation	0
Grandy's [Member] | Plano, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	871
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	871
Accumulated Depreciation	0
Graphic Packaging [Member] | Monroe, LA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	637
Buildings, Fixtures and Improvements	91,313
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	91,950
Accumulated Depreciation	(111)
Gravity Oilfield Services [Member] | Hobbs, NM [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	358
Buildings, Fixtures and Improvements	1,129
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,487
Accumulated Depreciation	(274)
Gravity Oilfield Services [Member] | Big Springs, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	426
Buildings, Fixtures and Improvements	599
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,025
Accumulated Depreciation	(150)
Gravity Oilfield Services [Member] | Levelland, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	42
Buildings, Fixtures and Improvements	1,887
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,929
Accumulated Depreciation	(453)
Gravity Oilfield Services [Member] | Midland, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,063
Buildings, Fixtures and Improvements	528
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,591
Accumulated Depreciation	(131)
Gravity Oilfield Services [Member] | Midland, TX 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,013
Buildings, Fixtures and Improvements	968
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,981
Accumulated Depreciation	(214)
Gravity Oilfield Services [Member] | Monahans, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	50
Buildings, Fixtures and Improvements	538
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	588
Accumulated Depreciation	(131)
Gravity Oilfield Services [Member] | Odessa, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	104
Buildings, Fixtures and Improvements	1,259
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,363
Accumulated Depreciation	(248)
Gravity Oilfield Services [Member] | Odessa, TX 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	500
Buildings, Fixtures and Improvements	3,891
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	4,391
Accumulated Depreciation	(951)
Gravity Oilfield Services [Member] | San Angelo, TX 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	821
Buildings, Fixtures and Improvements	1,658
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,479
Accumulated Depreciation	(364)
Gravity Oilfield Services [Member] | Snyder, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	466
Buildings, Fixtures and Improvements	588
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,054
Accumulated Depreciation	(153)
Gravity Oilfield Services [Member] | Snyder, TX 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	174
Buildings, Fixtures and Improvements	1,189
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,363
Accumulated Depreciation	(243)
Greene's Energy Group [Member] | Broussard, LA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	455
Buildings, Fixtures and Improvements	6,022
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	6,477
Accumulated Depreciation	(1,068)
Hanesbrands [Member] | Rural Hall, NC [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,798
Buildings, Fixtures and Improvements	41,214
Costs Capitalized Subsequent to Acquisition	(50)
Gross Amount Carried at December 31, 2018	42,962
Accumulated Depreciation	(9,406)
Hanesbrands [Member] | Rural Hall, NC 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	17,990
Land	1,082
Buildings, Fixtures and Improvements	22,565
Costs Capitalized Subsequent to Acquisition	(203)
Gross Amount Carried at December 31, 2018	23,444
Accumulated Depreciation	(7,997)
Hardee's [Member] | Morrilton, AR [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	175
Buildings, Fixtures and Improvements	937
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,112
Accumulated Depreciation	(249)
Hardee's [Member] | Jacksonville, FL [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	875
Buildings, Fixtures and Improvements	583
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,458
Accumulated Depreciation	(164)
Hardee's [Member] | Pace, FL [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	419
Buildings, Fixtures and Improvements	435
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	854
Accumulated Depreciation	(129)
Hardee's [Member] | Willston, FL [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	395
Buildings, Fixtures and Improvements	553
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	948
Accumulated Depreciation	(164)
Hardee's [Member] | Bremen, GA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	129
Buildings, Fixtures and Improvements	518
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	647
Accumulated Depreciation	(145)
Hardee's [Member] | Canton, GA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	488
Buildings, Fixtures and Improvements	539
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,027
Accumulated Depreciation	(160)
Hardee's [Member] | Mount Vernon, IA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	320
Buildings, Fixtures and Improvements	480
Costs Capitalized Subsequent to Acquisition	(6)
Gross Amount Carried at December 31, 2018	794
Accumulated Depreciation	(142)
Hardee's [Member] | Old Fort, NC [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	300
Buildings, Fixtures and Improvements	904
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,204
Accumulated Depreciation	(265)
Hardee's [Member] | Sparta, NC [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	372
Buildings, Fixtures and Improvements	346
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	718
Accumulated Depreciation	(103)
Hardee's [Member] | Akron, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	207
Buildings, Fixtures and Improvements	483
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	690
Accumulated Depreciation	(135)
Hardee's [Member] | Jefferson, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	242
Buildings, Fixtures and Improvements	363
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	605
Accumulated Depreciation	(102)
Hardee's [Member] | Minerva, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	214
Buildings, Fixtures and Improvements	321
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	535
Accumulated Depreciation	(90)
Hardee's [Member] | Seville, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	151
Buildings, Fixtures and Improvements	454
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	605
Accumulated Depreciation	(127)
Hardee's [Member] | Aiken, SC [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	220
Buildings, Fixtures and Improvements	450
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	670
Accumulated Depreciation	(132)
Hardee's [Member] | Chapin, SC [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	380
Buildings, Fixtures and Improvements	741
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,121
Accumulated Depreciation	(217)
Hardee's [Member] | Chester, SC [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	586
Buildings, Fixtures and Improvements	563
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,149
Accumulated Depreciation	(133)
Hardee's [Member] | Bloomingdale, TN [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	270
Buildings, Fixtures and Improvements	844
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,114
Accumulated Depreciation	(247)
Hardee's [Member] | Clinton, TN [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	390
Buildings, Fixtures and Improvements	893
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,283
Accumulated Depreciation	(262)
Hardee's [Member] | Crossville, TN [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	300
Buildings, Fixtures and Improvements	689
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	989
Accumulated Depreciation	(202)
Hardee's [Member] | Erwin, TN [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	346
Buildings, Fixtures and Improvements	406
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	752
Accumulated Depreciation	(120)
Hardee's [Member] | Morristown, TN [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	353
Buildings, Fixtures and Improvements	431
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	784
Accumulated Depreciation	(121)
Hardee's [Member] | Springfield, TN [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	343
Buildings, Fixtures and Improvements	515
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	858
Accumulated Depreciation	(145)
Hardee's / Red Burrito [Member] | Attalla, AL [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	220
Buildings, Fixtures and Improvements	896
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,116
Accumulated Depreciation	(263)
Harley Davidson [Member] | Round Rock, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,688
Buildings, Fixtures and Improvements	9,563
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	11,251
Accumulated Depreciation	(2,983)
Harps Grocery [Member] | Cabot, AR [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	270
Buildings, Fixtures and Improvements	4,664
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	4,934
Accumulated Depreciation	(1,244)
Harps Grocery [Member] | Haskell, AR [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	499
Buildings, Fixtures and Improvements	3,281
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	3,780
Accumulated Depreciation	(862)
Harps Grocery [Member] | Hot Springs, AR [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	592
Buildings, Fixtures and Improvements	4,353
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	4,945
Accumulated Depreciation	(1,137)
Harps Grocery [Member] | Hot Springs, AR 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	839
Buildings, Fixtures and Improvements	4,486
Costs Capitalized Subsequent to Acquisition	(6)
Gross Amount Carried at December 31, 2018	5,319
Accumulated Depreciation	(1,116)
Harps Grocery [Member] | Searcy, AR [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	705
Buildings, Fixtures and Improvements	4,159
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	4,864
Accumulated Depreciation	(1,051)
Harps Grocery [Member] | West Fork, AR [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	635
Buildings, Fixtures and Improvements	4,708
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	5,343
Accumulated Depreciation	(1,196)
Harps Grocery [Member] | Poplar Bluff, MO [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	572
Buildings, Fixtures and Improvements	2,991
Costs Capitalized Subsequent to Acquisition	4
Gross Amount Carried at December 31, 2018	3,567
Accumulated Depreciation	(365)
Harps Grocery [Member] | Inola, OK [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	130
Buildings, Fixtures and Improvements	3,387
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	3,517
Accumulated Depreciation	(859)
Harris Teeter [Member] | Durham, NC [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	1,910
Land	3,239
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	3,239
Accumulated Depreciation	0
HD Supply [Member] | Santee, CA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	2,400
Buildings, Fixtures and Improvements	7,312
Costs Capitalized Subsequent to Acquisition	430
Gross Amount Carried at December 31, 2018	10,142
Accumulated Depreciation	(2,262)
Healthnow [Member] | Buffalo, NY [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	40,953
Land	2,569
Buildings, Fixtures and Improvements	89,399
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	91,968
Accumulated Depreciation	(17,452)
Helmer Scientific [Member] | Noblesville, IN [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,431
Buildings, Fixtures and Improvements	10,699
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	12,130
Accumulated Depreciation	(428)
Hobby Lobby [Member] | Algonquin, IL [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	998
Buildings, Fixtures and Improvements	4,580
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	5,578
Accumulated Depreciation	(217)
Hobby Lobby [Member] | Avon, IN [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,439
Buildings, Fixtures and Improvements	5,855
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	7,294
Accumulated Depreciation	(1,421)
Hobby Lobby [Member] | Auburn, IN [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	2,606
Buildings, Fixtures and Improvements	3,566
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	6,172
Accumulated Depreciation	(83)
Hobby Lobby [Member] | Kannapolis, NC [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,929
Buildings, Fixtures and Improvements	4,227
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	6,156
Accumulated Depreciation	(1,068)
Hobby Lobby [Member] | Columbia, TN [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	951
Buildings, Fixtures and Improvements	2,467
Costs Capitalized Subsequent to Acquisition	38
Gross Amount Carried at December 31, 2018	3,456
Accumulated Depreciation	(710)
Hobby Lobby [Member] | Logan, UT [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	2,683
Buildings, Fixtures and Improvements	3,079
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	5,762
Accumulated Depreciation	(845)
Hobby Lobby & Big Lots [Member] | Foley, AL [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,770
Buildings, Fixtures and Improvements	6,842
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	8,612
Accumulated Depreciation	(123)
Home Depot [Member] | Tucson, AZ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	6,251
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	6,251
Accumulated Depreciation	0
Home Depot [Member] | San Diego, CA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	6,650
Land	12,518
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	12,518
Accumulated Depreciation	0
Home Depot [Member] | Evans, GA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	4,583
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	4,583
Accumulated Depreciation	0
Home Depot [Member] | Kennesaw, GA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,809
Buildings, Fixtures and Improvements	12,331
Costs Capitalized Subsequent to Acquisition	1
Gross Amount Carried at December 31, 2018	14,141
Accumulated Depreciation	(2,771)
Home Depot [Member] | Slidell, LA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	1,996
Land	5,131
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	5,131
Accumulated Depreciation	0
Home Depot [Member] | Las Vegas, NV [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	7,907
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	7,907
Accumulated Depreciation	0
Home Depot [Member] | Columbia, SC 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	2,911
Buildings, Fixtures and Improvements	15,463
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	18,374
Accumulated Depreciation	(5,315)
Home Depot [Member] | Odessa, TX 3 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,599
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,599
Accumulated Depreciation	0
Home Depot [Member] | Winchester, VA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	3,955
Buildings, Fixtures and Improvements	18,405
Costs Capitalized Subsequent to Acquisition	1,136
Gross Amount Carried at December 31, 2018	23,496
Accumulated Depreciation	(6,424)
Home Town Buffet [Member] | Rialto, CA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	265
Buildings, Fixtures and Improvements	1,261
Costs Capitalized Subsequent to Acquisition	(1,046)
Gross Amount Carried at December 31, 2018	480
Accumulated Depreciation	(170)
Home Town Buffet [Member] | Santa Maria, CA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	191
Buildings, Fixtures and Improvements	1,006
Costs Capitalized Subsequent to Acquisition	(763)
Gross Amount Carried at December 31, 2018	434
Accumulated Depreciation	(86)
Home Town Buffet [Member] | Newark, DE [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	177
Buildings, Fixtures and Improvements	1,129
Costs Capitalized Subsequent to Acquisition	(739)
Gross Amount Carried at December 31, 2018	567
Accumulated Depreciation	(150)
Home Town Buffet [Member] | Union Gap, WA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	253
Buildings, Fixtures and Improvements	1,320
Costs Capitalized Subsequent to Acquisition	(1,223)
Gross Amount Carried at December 31, 2018	350
Accumulated Depreciation	(117)
Hooters [Member] | Grand Prairie, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	997
Buildings, Fixtures and Improvements	2,327
Costs Capitalized Subsequent to Acquisition	250
Gross Amount Carried at December 31, 2018	3,574
Accumulated Depreciation	(731)
Houghton Town Center [Member] | Tucson, AZ 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,176
Buildings, Fixtures and Improvements	8,565
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	9,741
Accumulated Depreciation	(318)
Huntington National Bank [Member] | Conneaut, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	205
Buildings, Fixtures and Improvements	477
Costs Capitalized Subsequent to Acquisition	6
Gross Amount Carried at December 31, 2018	688
Accumulated Depreciation	(131)
Huntington National Bank [Member] | Jefferson, OH 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	255
Buildings, Fixtures and Improvements	765
Costs Capitalized Subsequent to Acquisition	7
Gross Amount Carried at December 31, 2018	1,027
Accumulated Depreciation	(210)
Hy-Vee [Member] | Vermillion, SD [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	2,922
Land	409
Buildings, Fixtures and Improvements	3,684
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	4,093
Accumulated Depreciation	(1,357)
IFM Efectors [Member] | Malvern, PA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,816
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	9,747
Gross Amount Carried at December 31, 2018	11,563
Accumulated Depreciation	(1,181)
Igloo [Member] | Katy, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	5,617
Buildings, Fixtures and Improvements	38,470
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	44,087
Accumulated Depreciation	(8,666)
IHOP [Member] | Auburn, AL [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,111
Buildings, Fixtures and Improvements	933
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,044
Accumulated Depreciation	(283)
IHOP [Member] | Homewood, AL [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	610
Buildings, Fixtures and Improvements	1,762
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,372
Accumulated Depreciation	(530)
IHOP [Member] | Montgomery, AL [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	941
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	(772)
Gross Amount Carried at December 31, 2018	169
Accumulated Depreciation	0
IHOP [Member] | Castle Rock, CO [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	320
Buildings, Fixtures and Improvements	2,334
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,654
Accumulated Depreciation	(703)
IHOP [Member] | Greeley, CO [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	120
Buildings, Fixtures and Improvements	1,538
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,658
Accumulated Depreciation	(463)
IHOP [Member] | Loveland, CO [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	181
Buildings, Fixtures and Improvements	1,534
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,715
Accumulated Depreciation	(113)
IHOP [Member] | Pueblo, CO [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	330
Buildings, Fixtures and Improvements	1,589
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,919
Accumulated Depreciation	(478)
IHOP [Member] | Bossier City, LA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	541
Buildings, Fixtures and Improvements	1,342
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,883
Accumulated Depreciation	(407)
IHOP [Member] | Natchitoches, LA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	750
Buildings, Fixtures and Improvements	89
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	839
Accumulated Depreciation	(27)
IHOP [Member] | Roseville, MI [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	340
Buildings, Fixtures and Improvements	1,071
Costs Capitalized Subsequent to Acquisition	125
Gross Amount Carried at December 31, 2018	1,536
Accumulated Depreciation	(330)
IHOP [Member] | Kansas City, MO [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	630
Buildings, Fixtures and Improvements	1,002
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,632
Accumulated Depreciation	(302)
IHOP [Member] | Southaven, MS [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	350
Buildings, Fixtures and Improvements	2,108
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,458
Accumulated Depreciation	(635)
IHOP [Member] | Greenville, SC [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	610
Buildings, Fixtures and Improvements	1,551
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,161
Accumulated Depreciation	(467)
IHOP [Member] | Clarksville, TN [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	530
Buildings, Fixtures and Improvements	1,346
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,876
Accumulated Depreciation	(405)
IHOP [Member] | Murfreesboro, TN [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	600
Buildings, Fixtures and Improvements	1,687
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,287
Accumulated Depreciation	(508)
IHOP [Member] | Baytown, TX 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	698
Buildings, Fixtures and Improvements	1,297
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,995
Accumulated Depreciation	(364)
IHOP [Member] | Corpus Christi, TX 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,176
Buildings, Fixtures and Improvements	0
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,176
Accumulated Depreciation	0
IHOP [Member] | Fort Worth, TX 3 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	560
Buildings, Fixtures and Improvements	1,879
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,439
Accumulated Depreciation	(566)
IHOP [Member] | Houston, TX 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	760
Buildings, Fixtures and Improvements	2,462
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	3,222
Accumulated Depreciation	(741)
IHOP [Member] | Killeen, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	380
Buildings, Fixtures and Improvements	1,028
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,408
Accumulated Depreciation	(309)
IHOP [Member] | Lake Jackson, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	370
Buildings, Fixtures and Improvements	2,018
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,388
Accumulated Depreciation	(608)
IHOP [Member] | Leon Valley, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	650
Buildings, Fixtures and Improvements	2,055
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,705
Accumulated Depreciation	(789)
IHOP [Member] | Auburn, WA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	780
Buildings, Fixtures and Improvements	1,878
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,658
Accumulated Depreciation	(565)
Inform Diagnostics [Member] | Irving, TX 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	3,237
Buildings, Fixtures and Improvements	37,297
Costs Capitalized Subsequent to Acquisition	341
Gross Amount Carried at December 31, 2018	40,875
Accumulated Depreciation	(9,055)
Ingersoll Rand [Member] | Annandale, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,367
Buildings, Fixtures and Improvements	14,223
Costs Capitalized Subsequent to Acquisition	(90)
Gross Amount Carried at December 31, 2018	15,500
Accumulated Depreciation	(6,672)
Ingram Micro [Member] | Amherst, NY [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	4,107
Buildings, Fixtures and Improvements	20,347
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	24,454
Accumulated Depreciation	(5,216)
Insurance Auto Auctions [Member] | Hudson, FL [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	1,062
Buildings, Fixtures and Improvements	11,203
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	12,265
Accumulated Depreciation	(141)
Iron Mountain [Member] | Columbus, OH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	405
Buildings, Fixtures and Improvements	3,642
Costs Capitalized Subsequent to Acquisition	1,263
Gross Amount Carried at December 31, 2018	5,310
Accumulated Depreciation	(1,384)
Iron Mountain [Member] | Mohnton, PA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	197
Buildings, Fixtures and Improvements	6,152
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	6,349
Accumulated Depreciation	(1,330)
IRSGateway [Member] | Covington, KY [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	3,120
Buildings, Fixtures and Improvements	80,689
Costs Capitalized Subsequent to Acquisition	1,582
Gross Amount Carried at December 31, 2018	85,391
Accumulated Depreciation	(15,546)
Irving Oil [Member] | Belfast, ME [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	339
Buildings, Fixtures and Improvements	698
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,037
Accumulated Depreciation	(213)
Irving Oil [Member] | Bethel, ME [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	182
Buildings, Fixtures and Improvements	331
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	513
Accumulated Depreciation	(105)
Irving Oil [Member] | Boothbay Harbor, ME [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	413
Buildings, Fixtures and Improvements	550
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	963
Accumulated Depreciation	(180)
Irving Oil [Member] | Caribou, ME [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	187
Buildings, Fixtures and Improvements	404
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	591
Accumulated Depreciation	(121)
Irving Oil [Member] | Fort Kent, ME [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	358
Buildings, Fixtures and Improvements	352
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	710
Accumulated Depreciation	(126)
Irving Oil [Member] | Kennebunk, ME [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	469
Buildings, Fixtures and Improvements	541
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,010
Accumulated Depreciation	(184)
Irving Oil [Member] | Lincoln, ME [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	360
Buildings, Fixtures and Improvements	360
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	720
Accumulated Depreciation	(114)
Irving Oil [Member] | Orono, ME [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	228
Buildings, Fixtures and Improvements	272
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	500
Accumulated Depreciation	(84)
Irving Oil [Member] | Saco, ME [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	619
Buildings, Fixtures and Improvements	222
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	841
Accumulated Depreciation	(98)
Irving Oil [Member] | Skowhegan, ME [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	541
Buildings, Fixtures and Improvements	492
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,033
Accumulated Depreciation	(170)
Irving Oil [Member] | Conway, NH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	173
Buildings, Fixtures and Improvements	525
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	698
Accumulated Depreciation	(150)
Irving Oil [Member] | Dover, NH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	380
Buildings, Fixtures and Improvements	717
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,097
Accumulated Depreciation	(213)
Irving Oil [Member] | Rochester, NH [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	290
Buildings, Fixtures and Improvements	747
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,037
Accumulated Depreciation	(215)
Irving Oil [Member] | Dummerston, VT [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	185
Buildings, Fixtures and Improvements	353
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	538
Accumulated Depreciation	(120)
Irving Oil [Member] | Rutland, VT [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	249
Buildings, Fixtures and Improvements	220
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	469
Accumulated Depreciation	(68)
Irving Oil [Member] | Westminster, VT [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	108
Buildings, Fixtures and Improvements	437
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	545
Accumulated Depreciation	(131)
Jack in the Box [Member] | Spring, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	570
Buildings, Fixtures and Improvements	1,340
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,910
Accumulated Depreciation	(393)
Jack in the Box [Member] | Mesquite, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	560
Buildings, Fixtures and Improvements	1,652
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,212
Accumulated Depreciation	(485)
Jack in the Box [Member] | Avondale, AZ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	110
Buildings, Fixtures and Improvements	2,237
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,347
Accumulated Depreciation	(656)
Jack in the Box [Member] | Chandler, AZ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	450
Buildings, Fixtures and Improvements	1,447
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,897
Accumulated Depreciation	(425)
Jack in the Box [Member] | Folsom, CA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	280
Buildings, Fixtures and Improvements	2,423
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,703
Accumulated Depreciation	(711)
Jack in the Box [Member] | Sacramento, CA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	476
Buildings, Fixtures and Improvements	1,110
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,586
Accumulated Depreciation	(312)
Jack in the Box [Member] | West Sacramento, CA [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	590
Buildings, Fixtures and Improvements	1,710
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,300
Accumulated Depreciation	(502)
Jack in the Box [Member] | Burley, ID [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	240
Buildings, Fixtures and Improvements	1,430
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,670
Accumulated Depreciation	(420)
Jack in the Box [Member] | Belleville, IL [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	200
Buildings, Fixtures and Improvements	966
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,166
Accumulated Depreciation	(283)
Jack in the Box [Member] | Florissant, MO [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	502
Buildings, Fixtures and Improvements	1,515
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,017
Accumulated Depreciation	(444)
Jack in the Box [Member] | St. Louis, MO [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	420
Buildings, Fixtures and Improvements	1,494
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,914
Accumulated Depreciation	(438)
Jack in the Box [Member] | Salem, OR [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	580
Buildings, Fixtures and Improvements	1,301
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,881
Accumulated Depreciation	(382)
Jack in the Box [Member] | Tigard, OR [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	620
Buildings, Fixtures and Improvements	1,361
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,981
Accumulated Depreciation	(399)
Jack in the Box [Member] | Arlington, TX 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	420
Buildings, Fixtures and Improvements	1,325
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,745
Accumulated Depreciation	(389)
Jack in the Box [Member] | Arlington, TX 3 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	420
Buildings, Fixtures and Improvements	1,365
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,785
Accumulated Depreciation	(400)
Jack in the Box [Member] | Cleburne, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	291
Buildings, Fixtures and Improvements	1,647
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,938
Accumulated Depreciation	(462)
Jack in the Box [Member] | Corinth, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	400
Buildings, Fixtures and Improvements	1,416
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,816
Accumulated Depreciation	(415)
Jack in the Box [Member] | Farmers Branch, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	460
Buildings, Fixtures and Improvements	1,640
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,100
Accumulated Depreciation	(481)
Jack in the Box [Member] | Fort Worth, TX 4 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	490
Buildings, Fixtures and Improvements	1,702
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,192
Accumulated Depreciation	(499)
Jack in the Box [Member] | Georgetown, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	600
Buildings, Fixtures and Improvements	1,508
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,108
Accumulated Depreciation	(442)
Jack in the Box [Member] | Granbury, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	380
Buildings, Fixtures and Improvements	1,449
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,829
Accumulated Depreciation	(425)
Jack in the Box [Member] | Grand Prairie, TX 2 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	600
Buildings, Fixtures and Improvements	1,856
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,456
Accumulated Depreciation	(544)
Jack in the Box [Member] | Grapevine, TX [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	470
Buildings, Fixtures and Improvements	1,344
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,814
Accumulated Depreciation	(394)
Jack in the Box [Member] | Houston, TX 3 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	460
Buildings, Fixtures and Improvements	1,437
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,897
Accumulated Depreciation	(422)
Jack in the Box [Member] | Houston, TX 4 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	390
Buildings, Fixtures and Improvements	1,172
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,562
Accumulated Depreciation	(344)
Jack in the Box [Member] | Houston, TX 5 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	330
Buildings, Fixtures and Improvements	1,845
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,175
Accumulated Depreciation	(541)
Jack in the Box [Member] | Houston, TX 6 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	410
Buildings, Fixtures and Improvements	1,621
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	2,031
Accumulated Depreciation	(475)
Jack in the Box [Member] | Houston, TX 7 [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances at December 31, 2018	0
Land	450
Buildings, Fixtures and Improvements	1,396
Costs Capitalized Subsequent to Acquisition	0
Gross Amount Carried at December 31, 2018	1,846
Accumulated Depreciation	$ (409)