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Schedule III - Real Estate and Accumulated Depreciation and Amortization - Under Operating Leases - Table 1 (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests $ 8,448,702 $ 7,883,633 $ 7,314,132 $ 6,647,597
Accumulated Depreciation and Amortization 1,151,667 $ 1,016,271 $ 881,121 $ 742,467
Operating Lease        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 11,837      
Initial Cost to Company, Land 2,480,496      
Initial Cost to Company, Building, Improvements & Leasehold Interests 4,875,374      
Costs Capitalized Subsequent to Acquisition, Improvements 1,113,943      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 2,492,984      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 5,917,880      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 8,410,864      
Accumulated Depreciation and Amortization 1,148,277      
Operating Lease | Seven Eleven [Member] | Tampa, FL 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Initial Cost to Company, Land 1,081      
Initial Cost to Company, Building, Improvements & Leasehold Interests 917      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,070      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 917      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,987      
Accumulated Depreciation and Amortization $ 477      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 259      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,361      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 259      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,361      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,620      
Accumulated Depreciation and Amortization $ 442      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,101      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,987      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,101      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,987      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,088      
Accumulated Depreciation and Amortization $ 693      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 3 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 900      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,571      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 900      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,571      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,471      
Accumulated Depreciation and Amortization $ 829      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven [Member] | Beaumont, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 124      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,968      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 124      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,968      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,092      
Accumulated Depreciation and Amortization $ 804      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Beaumont, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 239      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,031      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 239      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,031      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,270      
Accumulated Depreciation and Amortization $ 471      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven [Member] | Beaumont, TX 3 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 115      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,543      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 115      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,543      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,658      
Accumulated Depreciation and Amortization $ 418      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Bloomington, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 38      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,093      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 38      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,093      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,131      
Accumulated Depreciation and Amortization $ 1,005      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven [Member] | Bryan, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 479      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,561      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 479      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,561      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,040      
Accumulated Depreciation and Amortization $ 965      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Canyon Lake, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 144      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,830      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 144      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,830      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,974      
Accumulated Depreciation and Amortization $ 595      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven [Member] | Cedar Park, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 833      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,705      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 833      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,705      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,538      
Accumulated Depreciation and Amortization $ 396      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven [Member] | College Station, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 393      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,342      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 393      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,342      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,735      
Accumulated Depreciation and Amortization $ 905      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Corpus Christi, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 383      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,093      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 383      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,093      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,476      
Accumulated Depreciation and Amortization $ 718      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven [Member] | Edinburg, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 431      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,193      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 431      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,193      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,624      
Accumulated Depreciation and Amortization $ 594      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Edna, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 67      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,897      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 67      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,897      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,964      
Accumulated Depreciation and Amortization $ 617      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven [Member] | Kingsland, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 153      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,691      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 153      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,691      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,844      
Accumulated Depreciation and Amortization $ 875      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven [Member] | Kingsville, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 163      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,485      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 163      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,485      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,648      
Accumulated Depreciation and Amortization $ 483      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven [Member] | Laredo, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 412      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,476      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 412      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,476      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,888      
Accumulated Depreciation and Amortization $ 400      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Palacios, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 29      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,667      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 29      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,667      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,696      
Accumulated Depreciation and Amortization $ 542      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven [Member] | Pfugerville, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 996      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,336      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 996      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,336      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,332      
Accumulated Depreciation and Amortization $ 542      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven [Member] | Rio Bravo, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 355      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,351      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 355      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,351      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,706      
Accumulated Depreciation and Amortization $ 314      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven [Member] | Round Rock, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 661      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,140      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 661      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,140      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,801      
Accumulated Depreciation and Amortization $ 309      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 441      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,313      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 441      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,313      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,754      
Accumulated Depreciation and Amortization $ 356      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Victoria, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 431      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,298      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 431      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,298      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,729      
Accumulated Depreciation and Amortization $ 623      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Victoria, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 259      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,346      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 259      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,346      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,605      
Accumulated Depreciation and Amortization $ 636      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | West Orange, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 220      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,088      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 220      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,088      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,308      
Accumulated Depreciation and Amortization $ 565      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Winnie, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 115      
Initial Cost to Company, Building, Improvements & Leasehold Interests 4,566      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 115      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 4,566      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,681      
Accumulated Depreciation and Amortization $ 1,060      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 4 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 612      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,775      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 612      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,775      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,387      
Accumulated Depreciation and Amortization $ 744      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 5 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,215      
Initial Cost to Company, Building, Improvements & Leasehold Interests 4,524      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,215      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 4,524      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 5,739      
Accumulated Depreciation and Amortization $ 1,039      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 6 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 488      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,163      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 488      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,163      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,651      
Accumulated Depreciation and Amortization $ 580      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 7 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 938      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,436      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 938      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,436      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,374      
Accumulated Depreciation and Amortization $ 385      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 8 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 756      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,870      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 756      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,870      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,626      
Accumulated Depreciation and Amortization $ 769      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 9 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 679      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,905      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 679      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,905      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,584      
Accumulated Depreciation and Amortization $ 511      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 10 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 775      
Initial Cost to Company, Building, Improvements & Leasehold Interests 4,677      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 775      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 4,677      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 5,452      
Accumulated Depreciation and Amortization $ 1,254      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 11 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 880      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,790      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 880      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,790      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,670      
Accumulated Depreciation and Amortization $ 480      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 12 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 689      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,732      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 689      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,732      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,421      
Accumulated Depreciation and Amortization $ 464      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 13 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 612      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,061      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 612      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,061      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,673      
Accumulated Depreciation and Amortization $ 821      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Austin, TX 14 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 861      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,004      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 861      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,004      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,865      
Accumulated Depreciation and Amortization $ 805      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Cedar Park, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 536      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,914      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 536      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,914      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,450      
Accumulated Depreciation and Amortization $ 513      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 909      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,359      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 904      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,359      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,263      
Accumulated Depreciation and Amortization $ 364      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 3 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 631      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,851      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 631      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,851      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,482      
Accumulated Depreciation and Amortization $ 764      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 4 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 766      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,474      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 766      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,474      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,240      
Accumulated Depreciation and Amortization $ 395      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 5 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 412      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,010      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 412      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,010      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,422      
Accumulated Depreciation and Amortization $ 539      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 6 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 545      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,148      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 545      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,148      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,693      
Accumulated Depreciation and Amortization $ 844      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 7 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 947      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,535      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 947      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,535      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,482      
Accumulated Depreciation and Amortization $ 680      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 8 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 411      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,555      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 411      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,555      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,966      
Accumulated Depreciation and Amortization $ 685      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 9 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 517      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,670      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 517      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,670      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,187      
Accumulated Depreciation and Amortization $ 716      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 10 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 899      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,593      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 899      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,593      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,492      
Accumulated Depreciation and Amortization $ 596      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 11 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 985      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,253      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 976      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,253      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,229      
Accumulated Depreciation and Amortization $ 872      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 12 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 919      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,344      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 919      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,344      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,263      
Accumulated Depreciation and Amortization $ 539      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 13 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 679      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,937      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 679      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,937      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,616      
Accumulated Depreciation and Amortization $ 787      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 14 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 469      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,727      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 469      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,727      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,196      
Accumulated Depreciation and Amortization $ 731      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 15 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 632      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,991      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 632      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,991      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,623      
Accumulated Depreciation and Amortization $ 534      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | San Antonio, TX 16 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 603      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,048      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 598      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,048      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,646      
Accumulated Depreciation and Amortization $ 549      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Universal City, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 699      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,675      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 699      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,675      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,374      
Accumulated Depreciation and Amortization $ 449      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Belpre, OH 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 408      
Initial Cost to Company, Building, Improvements & Leasehold Interests 759      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 408      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 759      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,167      
Accumulated Depreciation and Amortization $ 166      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven [Member] | Charleston, WV 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 689      
Initial Cost to Company, Building, Improvements & Leasehold Interests 974      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 689      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 974      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,663      
Accumulated Depreciation and Amortization $ 177      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Charleston, WV 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 549      
Initial Cost to Company, Building, Improvements & Leasehold Interests 729      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 549      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 729      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,278      
Accumulated Depreciation and Amortization $ 133      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Clarksburg, WV 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 390      
Initial Cost to Company, Building, Improvements & Leasehold Interests 613      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 390      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 613      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,003      
Accumulated Depreciation and Amortization $ 134      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven [Member] | Mannington, WV 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 218      
Initial Cost to Company, Building, Improvements & Leasehold Interests 745      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 218      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 745      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 963      
Accumulated Depreciation and Amortization $ 136      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | N. Belle Vernon, PA 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 438      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,165      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 438      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,165      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,603      
Accumulated Depreciation and Amortization $ 254      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven [Member] | New Castle, PA 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 292      
Initial Cost to Company, Building, Improvements & Leasehold Interests 617      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 292      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 617      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 909      
Accumulated Depreciation and Amortization $ 112      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Parkersburg, WV 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 298      
Initial Cost to Company, Building, Improvements & Leasehold Interests 782      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 298      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 782      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,080      
Accumulated Depreciation and Amortization $ 171      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven [Member] | Parkersburg, WV 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 422      
Initial Cost to Company, Building, Improvements & Leasehold Interests 739      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 422      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 739      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,161      
Accumulated Depreciation and Amortization $ 134      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven [Member] | Weston, WV 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 114      
Initial Cost to Company, Building, Improvements & Leasehold Interests 583      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 114      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 583      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 697      
Accumulated Depreciation and Amortization $ 106      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Corpus Christi, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,385      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,419      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,385      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,419      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,804      
Accumulated Depreciation and Amortization $ 498      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Edinburg, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,317      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,624      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,317      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,624      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,941      
Accumulated Depreciation and Amortization $ 570      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Laredo, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,495      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,400      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,495      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,400      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,895      
Accumulated Depreciation and Amortization $ 492      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Brownsville, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,392      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,444      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,392      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,444      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,836      
Accumulated Depreciation and Amortization $ 507      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Brownsville, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 2,530      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,125      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 2,530      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,125      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,655      
Accumulated Depreciation and Amortization $ 395      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Brownsville, TX 3 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,039      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,145      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,039      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,145      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,184      
Accumulated Depreciation and Amortization $ 402      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Brownsville, TX 4 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 2,033      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,288      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 2,033      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,288      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,321      
Accumulated Depreciation and Amortization $ 452      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Brownsville, TX 5 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,015      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,308      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,015      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,308      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,323      
Accumulated Depreciation and Amortization $ 459      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Brownsville, TX 6 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 933      
Initial Cost to Company, Building, Improvements & Leasehold Interests 699      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 933      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 699      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,632      
Accumulated Depreciation and Amortization $ 245      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Brownsville, TX 7 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,843      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,419      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,843      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,419      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,262      
Accumulated Depreciation and Amortization $ 498      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Brownsville, TX 8 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 2,915      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,800      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 2,915      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,800      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,715      
Accumulated Depreciation and Amortization $ 632      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Brownsville, TX 9 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,279      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,015      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,279      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,015      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,294      
Accumulated Depreciation and Amortization $ 356      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Brownsville, TX 10 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 2,417      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,828      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 2,417      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,828      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,245      
Accumulated Depreciation and Amortization $ 642      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Brownsville, TX 11 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,182      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,105      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,182      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,105      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,287      
Accumulated Depreciation and Amortization $ 388      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Corpus Christi, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,400      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,531      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,400      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,531      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,931      
Accumulated Depreciation and Amortization $ 537      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Corpus Christi, TX 3 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 703      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,037      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 703      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,037      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,740      
Accumulated Depreciation and Amortization $ 364      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Corpus Christi, TX 4 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,308      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,151      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,308      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,151      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,459      
Accumulated Depreciation and Amortization $ 755      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Corpus Christi, TX 5 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 853      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,416      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 853      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,416      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,269      
Accumulated Depreciation and Amortization $ 497      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Donna, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,004      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,127      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,004      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,127      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,131      
Accumulated Depreciation and Amortization $ 395      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Edinburg, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 970      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,286      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 970      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,286      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,256      
Accumulated Depreciation and Amortization $ 451      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Falfurias, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 4,244      
Initial Cost to Company, Building, Improvements & Leasehold Interests 4,458      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 4,213      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 4,458      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 8,671      
Accumulated Depreciation and Amortization $ 1,565      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Freer, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,151      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,158      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,151      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,158      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,309      
Accumulated Depreciation and Amortization $ 407      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | George West, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,243      
Initial Cost to Company, Building, Improvements & Leasehold Interests 695      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,243      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 695      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,938      
Accumulated Depreciation and Amortization $ 244      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Harlingen, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 754      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,152      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 754      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,152      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,906      
Accumulated Depreciation and Amortization $ 405      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Harlingen, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 906      
Initial Cost to Company, Building, Improvements & Leasehold Interests 953      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 906      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 953      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,859      
Accumulated Depreciation and Amortization $ 334      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Harlingen, TX 3 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 755      
Initial Cost to Company, Building, Improvements & Leasehold Interests 601      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 755      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 601      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,356      
Accumulated Depreciation and Amortization $ 211      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | La Feria, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 900      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,347      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 900      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,347      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,247      
Accumulated Depreciation and Amortization $ 473      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Laredo, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 736      
Initial Cost to Company, Building, Improvements & Leasehold Interests 670      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 736      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 670      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,406      
Accumulated Depreciation and Amortization $ 235      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Laredo, TX 3 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 675      
Initial Cost to Company, Building, Improvements & Leasehold Interests 533      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 675      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 533      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,208      
Accumulated Depreciation and Amortization $ 187      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Laredo, TX 4 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 841      
Initial Cost to Company, Building, Improvements & Leasehold Interests 739      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 841      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 739      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,580      
Accumulated Depreciation and Amortization $ 259      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Laredo, TX 5 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,553      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,775      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,553      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,775      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,328      
Accumulated Depreciation and Amortization $ 623      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Los Indios, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,387      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,457      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,387      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,457      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,844      
Accumulated Depreciation and Amortization $ 511      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | McAllen, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 987      
Initial Cost to Company, Building, Improvements & Leasehold Interests 893      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 987      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 893      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,880      
Accumulated Depreciation and Amortization $ 314      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | McAllen, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 975      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,030      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 975      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,030      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,005      
Accumulated Depreciation and Amortization $ 361      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Mission, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 880      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,101      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 880      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,101      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,981      
Accumulated Depreciation and Amortization $ 387      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Mission, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,125      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,213      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,125      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,213      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,338      
Accumulated Depreciation and Amortization $ 426      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Olmito, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 3,688      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,880      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 3,688      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,880      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 6,568      
Accumulated Depreciation and Amortization $ 1,011      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Pharr, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 784      
Initial Cost to Company, Building, Improvements & Leasehold Interests 805      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 784      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 805      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,589      
Accumulated Depreciation and Amortization $ 282      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Pharr, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 982      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,178      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 982      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,178      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,160      
Accumulated Depreciation and Amortization $ 414      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Pharr, TX 3 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 2,426      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,881      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 2,426      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,881      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,307      
Accumulated Depreciation and Amortization $ 660      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Port Isabel, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 2,062      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,299      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 2,062      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,299      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,361      
Accumulated Depreciation and Amortization $ 456      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Portland, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 656      
Initial Cost to Company, Building, Improvements & Leasehold Interests 915      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 656      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 915      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,571      
Accumulated Depreciation and Amortization $ 321      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Progreso, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,769      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,811      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,769      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,811      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,580      
Accumulated Depreciation and Amortization $ 636      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Riviera, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 2,351      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,158      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 2,351      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,158      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,509      
Accumulated Depreciation and Amortization $ 758      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | San Benito, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 791      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,857      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 791      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,857      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,648      
Accumulated Depreciation and Amortization $ 652      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | San Benito, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,103      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,586      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,103      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,586      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,689      
Accumulated Depreciation and Amortization $ 557      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | San Juan, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,424      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,546      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,424      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,546      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,970      
Accumulated Depreciation and Amortization $ 543      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | San Juan, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,124      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,172      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,124      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,172      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,296      
Accumulated Depreciation and Amortization $ 411      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | South Padre Island, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,367      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,389      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,367      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,389      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,756      
Accumulated Depreciation and Amortization $ 488      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Palmview, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 835      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,372      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 835      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,372      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,207      
Accumulated Depreciation and Amortization $ 453      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Harlingen, TX 4 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 638      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,807      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 638      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,807      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,445      
Accumulated Depreciation and Amortization $ 589      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Rio Grande City, TX [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,871      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,612      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,871      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,612      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,483      
Accumulated Depreciation and Amortization $ 526      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | San Juan, TX 3 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 816      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,434      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 816      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,434      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,250      
Accumulated Depreciation and Amortization $ 468      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Zapata, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,333      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,773      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,333      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,773      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,106      
Accumulated Depreciation and Amortization $ 578      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Orange Grove, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,767      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,838      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,767      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,838      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,605      
Accumulated Depreciation and Amortization $ 584      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Harlingen, TX 5 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 408      
Initial Cost to Company, Building, Improvements & Leasehold Interests 826      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 408      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 826      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,234      
Accumulated Depreciation and Amortization $ 334      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Laredo, TX 6 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 584      
Initial Cost to Company, Building, Improvements & Leasehold Interests 958      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 584      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 958      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,542      
Accumulated Depreciation and Amortization $ 387      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Laredo, TX 7 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 468      
Initial Cost to Company, Building, Improvements & Leasehold Interests 728      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 468      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 728      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,196      
Accumulated Depreciation and Amortization $ 294      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Laredo, TX 8 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 448      
Initial Cost to Company, Building, Improvements & Leasehold Interests 734      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 448      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 734      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,182      
Accumulated Depreciation and Amortization $ 297      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Laredo, TX 9 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 698      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,169      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 698      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,169      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,867      
Accumulated Depreciation and Amortization $ 472      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Laredo, TX 10 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 348      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,168      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 348      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,168      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,516      
Accumulated Depreciation and Amortization $ 472      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | San Benito, TX 3 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 420      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,135      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 420      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,135      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,555      
Accumulated Depreciation and Amortization $ 459      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Del Rio, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,565      
Initial Cost to Company, Building, Improvements & Leasehold Interests 758      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,565      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 758      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,323      
Accumulated Depreciation and Amortization $ 230      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Kerrville, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 640      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,616      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 640      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,616      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,256      
Accumulated Depreciation and Amortization $ 490      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Pharr, TX 4 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 573      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,229      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 573      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,229      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,802      
Accumulated Depreciation and Amortization $ 370      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Harlingen, TX 6 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 277      
Initial Cost to Company, Building, Improvements & Leasehold Interests 808      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 277      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 808      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,085      
Accumulated Depreciation and Amortization $ 322      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Laredo, TX 11 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 325      
Initial Cost to Company, Building, Improvements & Leasehold Interests 816      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 325      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 816      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,141      
Accumulated Depreciation and Amortization $ 325      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | McAllen, TX 3 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 643      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,776      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 643      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,776      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,419      
Accumulated Depreciation and Amortization $ 708      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Port Isabel, TX 2 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 299      
Initial Cost to Company, Building, Improvements & Leasehold Interests 855      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 299      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 855      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,154      
Accumulated Depreciation and Amortization $ 341      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Brownsville, TX 12 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 843      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,429      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 843      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,429      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,272      
Accumulated Depreciation and Amortization $ 415      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Edinburg, TX 3 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 834      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,787      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 834      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,787      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,621      
Accumulated Depreciation and Amortization $ 519      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | La Villa, TX 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 710      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,166      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 710      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,166      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,876      
Accumulated Depreciation and Amortization $ 629      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Laredo, TX 12 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 879      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,593      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 879      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,593      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,472      
Accumulated Depreciation and Amortization $ 463      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | Laredo, TX 13 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,183      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,934      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,183      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,934      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,117      
Accumulated Depreciation and Amortization $ 562      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven (Susser/Stripes) [Member] | McAllen, TX 4 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,270      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,383      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,270      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,383      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,653      
Accumulated Depreciation and Amortization $ 923      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Aaron's [Member] | Memphis, TN 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 416      
Initial Cost to Company, Building, Improvements & Leasehold Interests 0      
Costs Capitalized Subsequent to Acquisition, Improvements 1,320      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 416      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,320      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,736      
Accumulated Depreciation and Amortization $ 697      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Abra Auto Body [Member] | Belmont, NC 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 785      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,375      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 785      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,375      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,160      
Accumulated Depreciation and Amortization $ 44      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Academy [Member] | Franklin, TN 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,807      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,108      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,589      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,108      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,697      
Accumulated Depreciation and Amortization $ 1,022      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Academy [Member] | Baton Rouge, LA 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,511      
Initial Cost to Company, Building, Improvements & Leasehold Interests 4,861      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,511      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 4,861      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 6,372      
Accumulated Depreciation and Amortization $ 478      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Ace Hardware and Lighting [Member] | Bourbonnais, IL 1 [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 298      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,329      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 298      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,329      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,627      
Accumulated Depreciation and Amortization $ 656      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 37 years