XML 89 R73.htm IDEA: XBRL DOCUMENT v3.10.0.1
Schedule III - Real Estate and Accumulated Depreciation and Amortization - Under Operating Leases - Table 1 (Details) - USD ($)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests $ 7,883,633,000 $ 7,314,132,000 $ 6,647,597,000 $ 5,913,547,000
Accumulated Depreciation and Amortization 1,016,271,000 $ 881,121,000 $ 742,467,000 $ 624,607,000
Operating Lease        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 12,404,000      
Initial Cost to Company, Land 2,359,001,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 4,466,050,000      
Costs Capitalized Subsequent to Acquisition, Improvements 1,078,594,000      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 2,374,005,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 5,481,109,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 7,855,114,000      
Accumulated Depreciation and Amortization 1,009,374,000      
Operating Lease | Seven Eleven Tampa Fl [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances 0      
Initial Cost to Company, Land 1,081,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 917,000      
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 1,070,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 917,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,987,000      
Accumulated Depreciation and Amortization $ 454,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven Eleven 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 900,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,571,000      
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 900,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,571,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,471,000      
Accumulated Depreciation and Amortization $ 727,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven 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 259,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,361,000      
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 259,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,361,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,620,000      
Accumulated Depreciation and Amortization $ 388,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven 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 1,101,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,987,000      
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 1,101,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,987,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,088,000      
Accumulated Depreciation and Amortization $ 608,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven 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 239,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,031,000      
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 239,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,031,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,270,000      
Accumulated Depreciation and Amortization $ 413,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven 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 124,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,968,000      
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 124,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,968,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,092,000      
Accumulated Depreciation and Amortization $ 705,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 115,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,543,000      
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 115,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,543,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,658,000      
Accumulated Depreciation and Amortization $ 366,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven Bloomington 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 38,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,093,000      
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 38,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,093,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,131,000      
Accumulated Depreciation and Amortization $ 881,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven Bryan 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 479,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,561,000      
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 479,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,561,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,040,000      
Accumulated Depreciation and Amortization $ 846,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven Canyon Lake 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 144,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,830,000      
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 144,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,830,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,974,000      
Accumulated Depreciation and Amortization $ 522,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven Cedar Park 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 833,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,705,000      
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 833,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,705,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,538,000      
Accumulated Depreciation and Amortization $ 347,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven College Station 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 393,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,342,000      
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 393,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,342,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,735,000      
Accumulated Depreciation and Amortization $ 794,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 383,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,093,000      
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 383,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,093,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,476,000      
Accumulated Depreciation and Amortization $ 630,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven Edinburg 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 431,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,193,000      
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 431,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,193,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,624,000      
Accumulated Depreciation and Amortization $ 521,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven Edna 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 67,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,897,000      
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 67,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,897,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,964,000      
Accumulated Depreciation and Amortization $ 541,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven Kingsland 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 153,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,691,000      
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 153,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,691,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,844,000      
Accumulated Depreciation and Amortization $ 767,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven Kingsville 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 163,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,485,000      
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 163,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,485,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,648,000      
Accumulated Depreciation and Amortization $ 423,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven 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 412,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,476,000      
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 412,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,476,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,888,000      
Accumulated Depreciation and Amortization $ 350,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven Palacios 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 29,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,667,000      
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 29,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,667,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,696,000      
Accumulated Depreciation and Amortization $ 475,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven Eleven Pflugerville 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 996,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,336,000      
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 996,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,336,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,332,000      
Accumulated Depreciation and Amortization $ 476,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven Rio Bravo 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 355,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,351,000      
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 355,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,351,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,706,000      
Accumulated Depreciation and Amortization $ 275,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven Round Rock 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 661,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,140,000      
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 661,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,140,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,801,000      
Accumulated Depreciation and Amortization $ 271,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven San Antonio 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 441,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,313,000      
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 441,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,313,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,754,000      
Accumulated Depreciation and Amortization $ 312,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 259,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,346,000      
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 259,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,346,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,605,000      
Accumulated Depreciation and Amortization $ 557,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 431,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,298,000      
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 431,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,298,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,729,000      
Accumulated Depreciation and Amortization $ 546,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven West Orange 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 220,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,088,000      
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 220,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,088,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,308,000      
Accumulated Depreciation and Amortization $ 496,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven Winnie 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 115,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 4,566,000      
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 115,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 4,566,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,681,000      
Accumulated Depreciation and Amortization $ 930,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven 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 612,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,775,000      
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 612,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,775,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,387,000      
Accumulated Depreciation and Amortization $ 651,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 1,215,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 4,524,000      
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 1,215,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 4,524,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 5,739,000      
Accumulated Depreciation and Amortization $ 910,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven 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 612,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,061,000      
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 612,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,061,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,673,000      
Accumulated Depreciation and Amortization $ 719,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 689,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,732,000      
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 689,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,732,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,421,000      
Accumulated Depreciation and Amortization $ 407,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 880,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,790,000      
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 880,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,790,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,670,000      
Accumulated Depreciation and Amortization $ 420,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 861,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,004,000      
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 861,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,004,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,865,000      
Accumulated Depreciation and Amortization $ 705,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 775,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 4,677,000      
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 775,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 4,677,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 5,452,000      
Accumulated Depreciation and Amortization $ 1,098,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 488,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,163,000      
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 488,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,163,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,651,000      
Accumulated Depreciation and Amortization $ 508,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 679,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,905,000      
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 679,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,905,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,584,000      
Accumulated Depreciation and Amortization $ 447,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 756,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,870,000      
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 756,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,870,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,626,000      
Accumulated Depreciation and Amortization $ 674,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 938,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,436,000      
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 938,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,436,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,374,000      
Accumulated Depreciation and Amortization $ 337,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 536,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,914,000      
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 536,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,914,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,450,000      
Accumulated Depreciation and Amortization $ 449,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 985,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,253,000      
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 976,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,253,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,229,000      
Accumulated Depreciation and Amortization $ 763,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 899,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,593,000      
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 899,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,593,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,492,000      
Accumulated Depreciation and Amortization $ 522,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven 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 919,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,344,000      
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 919,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,344,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,263,000      
Accumulated Depreciation and Amortization $ 472,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Operating Lease | Seven Eleven 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 631,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,851,000      
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 631,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,851,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,482,000      
Accumulated Depreciation and Amortization $ 669,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 412,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,010,000      
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 412,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,010,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,422,000      
Accumulated Depreciation and Amortization $ 472,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 545,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,148,000      
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 545,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,148,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,693,000      
Accumulated Depreciation and Amortization $ 739,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 766,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,474,000      
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 766,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,474,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,240,000      
Accumulated Depreciation and Amortization $ 346,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 947,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,535,000      
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 947,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,535,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,482,000      
Accumulated Depreciation and Amortization $ 595,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 469,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,727,000      
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 469,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,727,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,196,000      
Accumulated Depreciation and Amortization $ 640,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 679,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,937,000      
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 679,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,937,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,616,000      
Accumulated Depreciation and Amortization $ 689,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 632,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,991,000      
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 632,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,991,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,623,000      
Accumulated Depreciation and Amortization $ 467,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 603,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,048,000      
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 603,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,048,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,651,000      
Accumulated Depreciation and Amortization $ 481,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 411,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,555,000      
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 411,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,555,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,966,000      
Accumulated Depreciation and Amortization $ 600,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 517,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,670,000      
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 517,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,670,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,187,000      
Accumulated Depreciation and Amortization $ 627,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven 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 909,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,359,000      
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 904,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,359,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,263,000      
Accumulated Depreciation and Amortization $ 319,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven Eleven Universal 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 699,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,675,000      
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 699,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,675,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,374,000      
Accumulated Depreciation and Amortization $ 393,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven - Belpre, OH [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 408,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 759,000      
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 408,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 759,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,167,000      
Accumulated Depreciation and Amortization $ 135,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven-Eleven - Charleston, WV [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 549,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 729,000      
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 549,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 729,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,278,000      
Accumulated Depreciation and Amortization $ 108,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven - 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 689,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 974,000      
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 689,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 974,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,663,000      
Accumulated Depreciation and Amortization $ 145,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven - Clarksburg, WV [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 390,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 613,000      
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 390,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 613,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,003,000      
Accumulated Depreciation and Amortization $ 109,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven-Eleven - Mannington, WV [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 218,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 745,000      
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 218,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 745,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 963,000      
Accumulated Depreciation and Amortization $ 111,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven - North Belle Vernon, PA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 438,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,165,000      
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 438,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,165,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,603,000      
Accumulated Depreciation and Amortization $ 208,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven-Eleven - New Castle, PA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 292,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 617,000      
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 292,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 617,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 909,000      
Accumulated Depreciation and Amortization $ 92,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven - Parkersburg, WV [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 422,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 739,000      
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 422,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 739,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,161,000      
Accumulated Depreciation and Amortization $ 110,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven - 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 298,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 782,000      
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 298,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 782,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,080,000      
Accumulated Depreciation and Amortization $ 139,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | Seven-Eleven - Weston, WV [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 114,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 583,000      
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 114,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 583,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 697,000      
Accumulated Depreciation and Amortization $ 87,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Laredo 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 841,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 739,000      
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 841,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 739,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,580,000      
Accumulated Depreciation and Amortization $ 241,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 933,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 699,000      
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 933,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 699,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,632,000      
Accumulated Depreciation and Amortization $ 228,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,182,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,105,000      
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 1,182,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,105,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,287,000      
Accumulated Depreciation and Amortization $ 360,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 2,530,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,125,000      
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 2,530,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,125,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,655,000      
Accumulated Depreciation and Amortization $ 367,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,015,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,308,000      
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 1,015,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,308,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,323,000      
Accumulated Depreciation and Amortization $ 426,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,843,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,419,000      
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 1,843,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,419,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,262,000      
Accumulated Depreciation and Amortization $ 463,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,039,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,145,000      
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 1,039,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,145,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,184,000      
Accumulated Depreciation and Amortization $ 373,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,392,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,444,000      
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 1,392,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,444,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,836,000      
Accumulated Depreciation and Amortization $ 471,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 2,915,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,800,000      
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 2,915,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,800,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,715,000      
Accumulated Depreciation and Amortization $ 587,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,279,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,015,000      
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 1,279,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,015,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,294,000      
Accumulated Depreciation and Amortization $ 331,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 2,417,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,828,000      
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 2,417,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,828,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,245,000      
Accumulated Depreciation and Amortization $ 596,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 2,033,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,288,000      
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 2,033,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,288,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,321,000      
Accumulated Depreciation and Amortization $ 420,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 853,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,416,000      
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 853,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,416,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,269,000      
Accumulated Depreciation and Amortization $ 462,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 703,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,037,000      
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 703,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,037,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,740,000      
Accumulated Depreciation and Amortization $ 338,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,308,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,151,000      
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 1,308,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,151,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,459,000      
Accumulated Depreciation and Amortization $ 701,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,385,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,419,000      
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 1,385,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,419,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,804,000      
Accumulated Depreciation and Amortization $ 463,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,400,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,531,000      
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 1,400,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,531,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,931,000      
Accumulated Depreciation and Amortization $ 499,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Donna 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 1,004,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,127,000      
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 1,004,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,127,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,131,000      
Accumulated Depreciation and Amortization $ 367,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,317,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,624,000      
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 1,317,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,624,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,941,000      
Accumulated Depreciation and Amortization $ 529,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 970,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,286,000      
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 970,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,286,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,256,000      
Accumulated Depreciation and Amortization $ 419,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Falfurias 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 4,244,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 4,458,000      
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 4,213,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 4,458,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 8,671,000      
Accumulated Depreciation and Amortization $ 1,453,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Freer 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 1,151,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,158,000      
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 1,151,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,158,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,309,000      
Accumulated Depreciation and Amortization $ 378,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) George West 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 1,243,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 695,000      
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 1,243,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 695,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,938,000      
Accumulated Depreciation and Amortization $ 227,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 755,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 601,000      
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 755,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 601,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,356,000      
Accumulated Depreciation and Amortization $ 196,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 754,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,152,000      
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 754,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,152,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,906,000      
Accumulated Depreciation and Amortization $ 376,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 906,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 953,000      
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 906,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 953,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,859,000      
Accumulated Depreciation and Amortization $ 311,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) La Feria 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 900,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,347,000      
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 900,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,347,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,247,000      
Accumulated Depreciation and Amortization $ 439,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,495,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,400,000      
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 1,495,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,400,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,895,000      
Accumulated Depreciation and Amortization $ 457,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 736,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 670,000      
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 736,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 670,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,406,000      
Accumulated Depreciation and Amortization $ 219,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 675,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 533,000      
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 675,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 533,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,208,000      
Accumulated Depreciation and Amortization $ 174,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,553,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,775,000      
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 1,553,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,775,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,328,000      
Accumulated Depreciation and Amortization $ 579,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Los Indios 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 1,387,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,457,000      
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 1,387,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,457,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,844,000      
Accumulated Depreciation and Amortization $ 475,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 975,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,030,000      
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 975,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,030,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,005,000      
Accumulated Depreciation and Amortization $ 336,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 987,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 893,000      
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 987,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 893,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,880,000      
Accumulated Depreciation and Amortization $ 291,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 880,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,101,000      
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 880,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,101,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,981,000      
Accumulated Depreciation and Amortization $ 359,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,125,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,213,000      
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 1,125,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,213,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,338,000      
Accumulated Depreciation and Amortization $ 396,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Olmito 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 3,688,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,880,000      
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 3,688,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,880,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 6,568,000      
Accumulated Depreciation and Amortization $ 939,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 982,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,178,000      
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 982,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,178,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,160,000      
Accumulated Depreciation and Amortization $ 384,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 2,426,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,881,000      
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 2,426,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,881,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,307,000      
Accumulated Depreciation and Amortization $ 613,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 784,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 805,000      
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 784,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 805,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,589,000      
Accumulated Depreciation and Amortization $ 262,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 2,062,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,299,000      
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 2,062,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,299,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,361,000      
Accumulated Depreciation and Amortization $ 423,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Portland 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 656,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 915,000      
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 656,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 915,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,571,000      
Accumulated Depreciation and Amortization $ 298,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Progreso 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 1,769,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,811,000      
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 1,769,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,811,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,580,000      
Accumulated Depreciation and Amortization $ 591,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Riviera 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 2,351,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,158,000      
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 2,351,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,158,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,509,000      
Accumulated Depreciation and Amortization $ 704,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 791,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,857,000      
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 791,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,857,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,648,000      
Accumulated Depreciation and Amortization $ 606,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,103,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,586,000      
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 1,103,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,586,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,689,000      
Accumulated Depreciation and Amortization $ 517,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,424,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,546,000      
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 1,424,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,546,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,970,000      
Accumulated Depreciation and Amortization $ 504,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,124,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,172,000      
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 1,124,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,172,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,296,000      
Accumulated Depreciation and Amortization $ 382,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) South Padre Island 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 1,367,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,389,000      
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 1,367,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,389,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,756,000      
Accumulated Depreciation and Amortization $ 453,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Palmview 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 835,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,372,000      
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 835,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,372,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,207,000      
Accumulated Depreciation and Amortization $ 419,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 638,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,807,000      
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 638,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,807,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,445,000      
Accumulated Depreciation and Amortization $ 544,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,871,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,612,000      
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 1,871,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,612,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,483,000      
Accumulated Depreciation and Amortization $ 485,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 816,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,434,000      
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 816,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,434,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,250,000      
Accumulated Depreciation and Amortization $ 432,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Zapata 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 1,333,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,773,000      
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 1,333,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,773,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,106,000      
Accumulated Depreciation and Amortization $ 534,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Orange Grove 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 1,767,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,838,000      
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 1,767,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,838,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,605,000      
Accumulated Depreciation and Amortization $ 538,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 408,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 826,000      
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 408,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 826,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,234,000      
Accumulated Depreciation and Amortization $ 306,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 348,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,168,000      
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 348,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,168,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,516,000      
Accumulated Depreciation and Amortization $ 433,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 468,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 728,000      
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 468,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 728,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,196,000      
Accumulated Depreciation and Amortization $ 270,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 584,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 958,000      
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 584,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 958,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,542,000      
Accumulated Depreciation and Amortization $ 355,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 698,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,169,000      
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 698,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,169,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,867,000      
Accumulated Depreciation and Amortization $ 433,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 448,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 734,000      
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 448,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 734,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,182,000      
Accumulated Depreciation and Amortization $ 272,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 420,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,135,000      
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 420,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,135,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,555,000      
Accumulated Depreciation and Amortization $ 421,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Del Rio 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 1,565,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 758,000      
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 1,565,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 758,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,323,000      
Accumulated Depreciation and Amortization $ 211,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Kerrville 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 640,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,616,000      
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 640,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,616,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,256,000      
Accumulated Depreciation and Amortization $ 450,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 573,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,229,000      
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 573,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,229,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,802,000      
Accumulated Depreciation and Amortization $ 339,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 277,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 808,000      
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 277,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 808,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,085,000      
Accumulated Depreciation and Amortization $ 295,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 325,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 816,000      
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 325,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 816,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,141,000      
Accumulated Depreciation and Amortization $ 298,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 643,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,776,000      
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 643,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,776,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,419,000      
Accumulated Depreciation and Amortization $ 649,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 299,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 855,000      
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 299,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 855,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,154,000      
Accumulated Depreciation and Amortization $ 312,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 843,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,429,000      
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 843,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,429,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,272,000      
Accumulated Depreciation and Amortization $ 380,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 834,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,787,000      
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 834,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,787,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,621,000      
Accumulated Depreciation and Amortization $ 475,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) La Villa 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 710,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,166,000      
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 710,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,166,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,876,000      
Accumulated Depreciation and Amortization $ 575,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 879,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,593,000      
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 879,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,593,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,472,000      
Accumulated Depreciation and Amortization $ 423,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Laredo, 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 1,183,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,934,000      
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 1,183,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,934,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,117,000      
Accumulated Depreciation and Amortization $ 514,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | Seven-Eleven (Susser/Stripes) 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 1,270,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,383,000      
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 1,270,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,383,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,653,000      
Accumulated Depreciation and Amortization $ 844,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Seven-Eleven (Susser/Stripes) Memphis, TN [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 416,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 0      
Costs Capitalized Subsequent to Acquisition, Improvements 1,320,000      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 416,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,320,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,736,000      
Accumulated Depreciation and Amortization $ 664,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Operating Lease | ABRA Auto Body - Naperville, IL (Frontenac) [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 305,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,145,000      
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 305,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,145,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,450,000      
Accumulated Depreciation and Amortization $ 10,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Operating Lease | ABRA Auto Body - Naperville, IL (North River) [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 211,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,163,000      
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 211,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,163,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,374,000      
Accumulated Depreciation and Amortization $ 12,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
Operating Lease | ABRA Auto Body - Schiller Park, IL [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 439,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,374,000      
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 439,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,374,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,813,000      
Accumulated Depreciation and Amortization $ 25,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
Operating Lease | Academy Franklin Tn [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,807,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 2,108,000      
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 1,589,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,108,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,697,000      
Accumulated Depreciation and Amortization $ 952,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
Operating Lease | Academy Baton Rouge LA [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Encumbrances $ 0      
Initial Cost to Company, Land 1,511,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 4,861,000      
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 1,511,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 4,861,000      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 6,372,000      
Accumulated Depreciation and Amortization $ 284,000      
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years