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Schedule III Real Estate and Accumulated Depreciation - Balances (Details)
 12 Months Ended
Dec. 31, 2020
USD ($)
property
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
SEC Schedule III        
Number of Properties | property 6,593      
Encumbrances $ 299,631,054      
Initial Cost to Company        
Land 6,331,886,427      
Buildings, Improvements and Acquisition Fees 14,647,754,645      
Cost Capitalized Subsequent to Acquisition        
Improvements 59,170,409      
Carrying Costs 9,522,579      
Gross Amounts at Which Carried at Close of Period        
Land 6,331,886,427      
Buildings, Improvements and Acquisition Fees 14,716,447,633      
Total 21,048,334,060 $ 19,637,626,852 $ 16,566,601,986 $ 15,027,043,415
Accumulated Depreciation $ 3,563,177,697 $ 3,140,854,604 $ 2,723,085,290 $ 2,350,544,126
U.S. | Aerospace        
SEC Schedule III        
Number of Properties | property 5      
Encumbrances $ 12,811,485      
Initial Cost to Company        
Land 6,890,774      
Buildings, Improvements and Acquisition Fees 110,783,380      
Cost Capitalized Subsequent to Acquisition        
Improvements 222,669      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 6,890,774      
Buildings, Improvements and Acquisition Fees 111,006,049      
Total 117,896,823      
Accumulated Depreciation $ 32,439,224      
U.S. | Aerospace | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Aerospace | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Apparel stores        
SEC Schedule III        
Number of Properties | property 37      
Encumbrances $ 13,925,000      
Initial Cost to Company        
Land 73,267,619      
Buildings, Improvements and Acquisition Fees 183,914,767      
Cost Capitalized Subsequent to Acquisition        
Improvements 3,472,987      
Carrying Costs 199,362      
Gross Amounts at Which Carried at Close of Period        
Land 73,267,619      
Buildings, Improvements and Acquisition Fees 187,587,116      
Total 260,854,735      
Accumulated Depreciation $ 48,433,166      
U.S. | Apparel stores | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 4 years      
U.S. | Apparel stores | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Automotive collision services        
SEC Schedule III        
Number of Properties | property 83      
Encumbrances $ 0      
Initial Cost to Company        
Land 59,995,209      
Buildings, Improvements and Acquisition Fees 140,125,701      
Cost Capitalized Subsequent to Acquisition        
Improvements 1,800,680      
Carrying Costs 10,000      
Gross Amounts at Which Carried at Close of Period        
Land 59,995,209      
Buildings, Improvements and Acquisition Fees 141,936,381      
Total 201,931,590      
Accumulated Depreciation $ 33,434,601      
U.S. | Automotive collision services | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 19 years      
U.S. | Automotive collision services | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Automotive parts        
SEC Schedule III        
Number of Properties | property 251      
Encumbrances $ 0      
Initial Cost to Company        
Land 98,784,470      
Buildings, Improvements and Acquisition Fees 252,803,413      
Cost Capitalized Subsequent to Acquisition        
Improvements 4,702,685      
Carrying Costs 826,885      
Gross Amounts at Which Carried at Close of Period        
Land 98,784,470      
Buildings, Improvements and Acquisition Fees 258,332,983      
Total 357,117,453      
Accumulated Depreciation $ 73,960,839      
U.S. | Automotive parts | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 15 years      
U.S. | Automotive parts | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Automotive service        
SEC Schedule III        
Number of Properties | property 319      
Encumbrances $ 0      
Initial Cost to Company        
Land 156,569,614      
Buildings, Improvements and Acquisition Fees 244,468,843      
Cost Capitalized Subsequent to Acquisition        
Improvements 513,914      
Carrying Costs 147,524      
Gross Amounts at Which Carried at Close of Period        
Land 156,569,614      
Buildings, Improvements and Acquisition Fees 245,130,281      
Total 401,699,895      
Accumulated Depreciation $ 73,360,221      
U.S. | Automotive service | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 14 years      
U.S. | Automotive service | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Automotive tire services        
SEC Schedule III        
Number of Properties | property 202      
Encumbrances $ 0      
Initial Cost to Company        
Land 126,835,381      
Buildings, Improvements and Acquisition Fees 234,004,107      
Cost Capitalized Subsequent to Acquisition        
Improvements 727,127      
Carrying Costs 97,335      
Gross Amounts at Which Carried at Close of Period        
Land 126,835,381      
Buildings, Improvements and Acquisition Fees 234,828,569      
Total 361,663,950      
Accumulated Depreciation $ 123,637,853      
U.S. | Automotive tire services | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 10 years      
U.S. | Automotive tire services | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Beverages        
SEC Schedule III        
Number of Properties | property 20      
Encumbrances $ 0      
Initial Cost to Company        
Land 217,138,252      
Buildings, Improvements and Acquisition Fees 174,982,150      
Cost Capitalized Subsequent to Acquisition        
Improvements 0      
Carrying Costs 147      
Gross Amounts at Which Carried at Close of Period        
Land 217,138,252      
Buildings, Improvements and Acquisition Fees 174,982,297      
Total 392,120,549      
Accumulated Depreciation $ 44,754,449      
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Book stores        
SEC Schedule III        
Number of Properties | property 1      
Encumbrances $ 0      
Initial Cost to Company        
Land 998,250      
Buildings, Improvements and Acquisition Fees 3,696,707      
Cost Capitalized Subsequent to Acquisition        
Improvements 129,751      
Carrying Costs 79      
Gross Amounts at Which Carried at Close of Period        
Land 998,250      
Buildings, Improvements and Acquisition Fees 3,826,537      
Total 4,824,787      
Accumulated Depreciation $ 3,590,046      
U.S. | Book stores | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Child care        
SEC Schedule III        
Number of Properties | property 278      
Encumbrances $ 0      
Initial Cost to Company        
Land 98,644,904      
Buildings, Improvements and Acquisition Fees 221,368,767      
Cost Capitalized Subsequent to Acquisition        
Improvements 5,240,741      
Carrying Costs 901,323      
Gross Amounts at Which Carried at Close of Period        
Land 98,644,904      
Buildings, Improvements and Acquisition Fees 227,510,831      
Total 326,155,735      
Accumulated Depreciation $ 109,437,582      
U.S. | Child care | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 4 years      
U.S. | Child care | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Consumer electronics        
SEC Schedule III        
Number of Properties | property 12      
Encumbrances $ 0      
Initial Cost to Company        
Land 22,731,086      
Buildings, Improvements and Acquisition Fees 28,326,134      
Cost Capitalized Subsequent to Acquisition        
Improvements 939,944      
Carrying Costs 51,616      
Gross Amounts at Which Carried at Close of Period        
Land 22,731,086      
Buildings, Improvements and Acquisition Fees 29,317,694      
Total 52,048,780      
Accumulated Depreciation $ 12,093,963      
U.S. | Consumer electronics | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 23 years      
U.S. | Consumer electronics | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Consumer goods        
SEC Schedule III        
Number of Properties | property 4      
Encumbrances $ 0      
Initial Cost to Company        
Land 7,663,458      
Buildings, Improvements and Acquisition Fees 124,173,738      
Cost Capitalized Subsequent to Acquisition        
Improvements 894,295      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 7,663,458      
Buildings, Improvements and Acquisition Fees 125,068,033      
Total 132,731,491      
Accumulated Depreciation $ 26,065,011      
U.S. | Consumer goods | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 34 years      
U.S. | Consumer goods | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Convenience stores        
SEC Schedule III        
Number of Properties | property 1,255      
Encumbrances $ 0      
Initial Cost to Company        
Land 1,067,078,213      
Buildings, Improvements and Acquisition Fees 1,402,601,795      
Cost Capitalized Subsequent to Acquisition        
Improvements (598,228)      
Carrying Costs 145,384      
Gross Amounts at Which Carried at Close of Period        
Land 1,067,078,213      
Buildings, Improvements and Acquisition Fees 1,402,148,951      
Total 2,469,227,164      
Accumulated Depreciation $ 368,222,563      
U.S. | Convenience stores | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 5 years      
U.S. | Convenience stores | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Crafts and novelties        
SEC Schedule III        
Number of Properties | property 29      
Encumbrances $ 0      
Initial Cost to Company        
Land 53,819,025      
Buildings, Improvements and Acquisition Fees 124,854,660      
Cost Capitalized Subsequent to Acquisition        
Improvements 995,404      
Carrying Costs 440,482      
Gross Amounts at Which Carried at Close of Period        
Land 53,819,025      
Buildings, Improvements and Acquisition Fees 126,290,546      
Total 180,109,571      
Accumulated Depreciation $ 18,551,249      
U.S. | Crafts and novelties | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 22 years      
U.S. | Crafts and novelties | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 34 years      
U.S. | Diversified industrial        
SEC Schedule III        
Number of Properties | property 8      
Encumbrances $ 9,790,000      
Initial Cost to Company        
Land 12,501,884      
Buildings, Improvements and Acquisition Fees 140,181,089      
Cost Capitalized Subsequent to Acquisition        
Improvements 139,970      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 12,501,884      
Buildings, Improvements and Acquisition Fees 140,321,059      
Total 152,822,943      
Accumulated Depreciation $ 21,274,393      
U.S. | Diversified industrial | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Diversified industrial | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Dollar stores        
SEC Schedule III        
Number of Properties | property 1,337      
Encumbrances $ 11,127,000      
Initial Cost to Company        
Land 436,860,261      
Buildings, Improvements and Acquisition Fees 1,283,734,718      
Cost Capitalized Subsequent to Acquisition        
Improvements 1,749,982      
Carrying Costs 8,879      
Gross Amounts at Which Carried at Close of Period        
Land 436,860,261      
Buildings, Improvements and Acquisition Fees 1,285,493,579      
Total 1,722,353,840      
Accumulated Depreciation $ 302,143,582      
U.S. | Dollar stores | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 21 years      
U.S. | Dollar stores | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Drug stores        
SEC Schedule III        
Number of Properties | property 384      
Encumbrances $ 123,224,723      
Initial Cost to Company        
Land 575,380,313      
Buildings, Improvements and Acquisition Fees 1,331,712,483      
Cost Capitalized Subsequent to Acquisition        
Improvements 3,288,007      
Carrying Costs 100,379      
Gross Amounts at Which Carried at Close of Period        
Land 575,380,313      
Buildings, Improvements and Acquisition Fees 1,335,100,869      
Total 1,910,481,182      
Accumulated Depreciation $ 355,374,686      
U.S. | Drug stores | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 9 years      
U.S. | Drug stores | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Education        
SEC Schedule III        
Number of Properties | property 13      
Encumbrances $ 0      
Initial Cost to Company        
Land 5,689,836      
Buildings, Improvements and Acquisition Fees 19,699,816      
Cost Capitalized Subsequent to Acquisition        
Improvements 389,722      
Carrying Costs 130,135      
Gross Amounts at Which Carried at Close of Period        
Land 5,689,836      
Buildings, Improvements and Acquisition Fees 20,219,673      
Total 25,909,509      
Accumulated Depreciation $ 16,215,093      
U.S. | Education | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 12 years      
U.S. | Education | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Electric utilities        
SEC Schedule III        
Number of Properties | property 1      
Encumbrances $ 0      
Initial Cost to Company        
Land 1,450,000      
Buildings, Improvements and Acquisition Fees 9,209,989      
Cost Capitalized Subsequent to Acquisition        
Improvements 0      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 1,450,000      
Buildings, Improvements and Acquisition Fees 9,209,989      
Total 10,659,989      
Accumulated Depreciation $ 1,941,726      
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Entertainment        
SEC Schedule III        
Number of Properties | property 10      
Encumbrances $ 0      
Initial Cost to Company        
Land 28,373,479      
Buildings, Improvements and Acquisition Fees 10,617,464      
Cost Capitalized Subsequent to Acquisition        
Improvements 515,457      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 28,373,479      
Buildings, Improvements and Acquisition Fees 11,132,921      
Total 39,506,400      
Accumulated Depreciation $ 6,634,393      
U.S. | Entertainment | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 24 years      
U.S. | Entertainment | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Equipment services        
SEC Schedule III        
Number of Properties | property 6      
Encumbrances $ 0      
Initial Cost to Company        
Land 3,889,283      
Buildings, Improvements and Acquisition Fees 38,989,570      
Cost Capitalized Subsequent to Acquisition        
Improvements 650,489      
Carrying Costs 140      
Gross Amounts at Which Carried at Close of Period        
Land 3,889,283      
Buildings, Improvements and Acquisition Fees 39,640,199      
Total 43,529,482      
Accumulated Depreciation $ 11,916,443      
U.S. | Equipment services | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Equipment services | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Financial services        
SEC Schedule III        
Number of Properties | property 238      
Encumbrances $ 0      
Initial Cost to Company        
Land 115,289,112      
Buildings, Improvements and Acquisition Fees 351,027,648      
Cost Capitalized Subsequent to Acquisition        
Improvements (4,403,463)      
Carrying Costs 101,099      
Gross Amounts at Which Carried at Close of Period        
Land 115,289,112      
Buildings, Improvements and Acquisition Fees 346,725,284      
Total 462,014,396      
Accumulated Depreciation $ 87,506,735      
U.S. | Financial services | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 15 years      
U.S. | Financial services | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Food processing        
SEC Schedule III        
Number of Properties | property 6      
Encumbrances $ 28,533,002      
Initial Cost to Company        
Land 13,025,055      
Buildings, Improvements and Acquisition Fees 151,759,842      
Cost Capitalized Subsequent to Acquisition        
Improvements 210,468      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 13,025,055      
Buildings, Improvements and Acquisition Fees 151,970,310      
Total 164,995,365      
Accumulated Depreciation $ 25,524,794      
U.S. | Food processing | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Food processing | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | General merchandise        
SEC Schedule III        
Number of Properties | property 122      
Encumbrances $ 0      
Initial Cost to Company        
Land 199,207,356      
Buildings, Improvements and Acquisition Fees 619,215,984      
Cost Capitalized Subsequent to Acquisition        
Improvements (6,200,698)      
Carrying Costs 557,868      
Gross Amounts at Which Carried at Close of Period        
Land 199,207,356      
Buildings, Improvements and Acquisition Fees 613,573,154      
Total 812,780,510      
Accumulated Depreciation $ 81,974,326      
U.S. | General merchandise | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 15 years      
U.S. | General merchandise | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Government services        
SEC Schedule III        
Number of Properties | property 16      
Encumbrances $ 0      
Initial Cost to Company        
Land 8,093,555      
Buildings, Improvements and Acquisition Fees 121,520,749      
Cost Capitalized Subsequent to Acquisition        
Improvements 3,517,744      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 8,093,555      
Buildings, Improvements and Acquisition Fees 125,038,493      
Total 133,132,048      
Accumulated Depreciation $ 29,653,734      
U.S. | Government services | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Government services | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Grocery stores        
SEC Schedule III        
Number of Properties | property 132      
Encumbrances $ 38,621,000      
Initial Cost to Company        
Land 276,250,552      
Buildings, Improvements and Acquisition Fees 783,434,945      
Cost Capitalized Subsequent to Acquisition        
Improvements 1,821,243      
Carrying Costs 325,183      
Gross Amounts at Which Carried at Close of Period        
Land 276,250,552      
Buildings, Improvements and Acquisition Fees 785,581,371      
Total 1,061,831,923      
Accumulated Depreciation $ 154,197,849      
U.S. | Grocery stores | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 20 years      
U.S. | Grocery stores | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Health and beauty        
SEC Schedule III        
Number of Properties | property 2      
Encumbrances $ 0      
Initial Cost to Company        
Land 2,475,474      
Buildings, Improvements and Acquisition Fees 43,935,914      
Cost Capitalized Subsequent to Acquisition        
Improvements 0      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 2,475,474      
Buildings, Improvements and Acquisition Fees 43,935,914      
Total 46,411,388      
Accumulated Depreciation $ 3,256,609      
U.S. | Health and beauty | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Health and beauty | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Health and fitness        
SEC Schedule III        
Number of Properties | property 103      
Encumbrances $ 0      
Initial Cost to Company        
Land 251,062,948      
Buildings, Improvements and Acquisition Fees 1,054,810,217      
Cost Capitalized Subsequent to Acquisition        
Improvements 7,735,262      
Carrying Costs 172,145      
Gross Amounts at Which Carried at Close of Period        
Land 251,062,948      
Buildings, Improvements and Acquisition Fees 1,062,717,624      
Total 1,313,780,572      
Accumulated Depreciation $ 262,990,060      
U.S. | Health and fitness | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 23 years      
U.S. | Health and fitness | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Health care        
SEC Schedule III        
Number of Properties | property 66      
Encumbrances $ 0      
Initial Cost to Company        
Land 51,510,133      
Buildings, Improvements and Acquisition Fees 298,522,788      
Cost Capitalized Subsequent to Acquisition        
Improvements 4,046,245      
Carrying Costs 1,285,766      
Gross Amounts at Which Carried at Close of Period        
Land 51,510,133      
Buildings, Improvements and Acquisition Fees 303,854,799      
Total 355,364,932      
Accumulated Depreciation $ 66,121,271      
U.S. | Health care | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 16 years      
U.S. | Health care | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Home furnishings        
SEC Schedule III        
Number of Properties | property 64      
Encumbrances $ 9,700,000      
Initial Cost to Company        
Land 31,810,693      
Buildings, Improvements and Acquisition Fees 109,453,697      
Cost Capitalized Subsequent to Acquisition        
Improvements 2,365,455      
Carrying Costs 127,944      
Gross Amounts at Which Carried at Close of Period        
Land 31,810,693      
Buildings, Improvements and Acquisition Fees 111,947,096      
Total 143,757,789      
Accumulated Depreciation $ 34,126,430      
U.S. | Home furnishings | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 15 years      
U.S. | Home furnishings | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Home improvement        
SEC Schedule III        
Number of Properties | property 83      
Encumbrances $ 6,095,360      
Initial Cost to Company        
Land 224,674,137      
Buildings, Improvements and Acquisition Fees 465,949,401      
Cost Capitalized Subsequent to Acquisition        
Improvements 2,472,665      
Carrying Costs 75,210      
Gross Amounts at Which Carried at Close of Period        
Land 224,674,137      
Buildings, Improvements and Acquisition Fees 468,497,276      
Total 693,171,413      
Accumulated Depreciation $ 84,948,975      
U.S. | Home improvement | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 23 years      
U.S. | Home improvement | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Insurance        
SEC Schedule III        
Number of Properties | property 1      
Encumbrances $ 0      
Initial Cost to Company        
Land 634,343      
Buildings, Improvements and Acquisition Fees 6,331,030      
Cost Capitalized Subsequent to Acquisition        
Improvements 0      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 634,343      
Buildings, Improvements and Acquisition Fees 6,331,030      
Total 6,965,373      
Accumulated Depreciation $ 2,120,895      
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Jewelry        
SEC Schedule III        
Number of Properties | property 4      
Encumbrances $ 0      
Initial Cost to Company        
Land 0      
Buildings, Improvements and Acquisition Fees 8,268,989      
Cost Capitalized Subsequent to Acquisition        
Improvements 0      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 0      
Buildings, Improvements and Acquisition Fees 8,268,989      
Total 8,268,989      
Accumulated Depreciation $ 2,632,294      
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Machinery        
SEC Schedule III        
Number of Properties | property 1      
Encumbrances $ 0      
Initial Cost to Company        
Land 1,630,917      
Buildings, Improvements and Acquisition Fees 12,938,430      
Cost Capitalized Subsequent to Acquisition        
Improvements 0      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 1,630,917      
Buildings, Improvements and Acquisition Fees 12,938,430      
Total 14,569,347      
Accumulated Depreciation $ 4,377,502      
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Motor vehicle dealerships        
SEC Schedule III        
Number of Properties | property 28      
Encumbrances $ 0      
Initial Cost to Company        
Land 115,897,045      
Buildings, Improvements and Acquisition Fees 143,335,317      
Cost Capitalized Subsequent to Acquisition        
Improvements 0      
Carrying Costs 231      
Gross Amounts at Which Carried at Close of Period        
Land 115,897,045      
Buildings, Improvements and Acquisition Fees 143,335,548      
Total 259,232,593      
Accumulated Depreciation $ 56,030,088      
U.S. | Motor vehicle dealerships | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Office supplies        
SEC Schedule III        
Number of Properties | property 7      
Encumbrances $ 0      
Initial Cost to Company        
Land 8,281,041      
Buildings, Improvements and Acquisition Fees 13,776,478      
Cost Capitalized Subsequent to Acquisition        
Improvements 875,115      
Carrying Costs 349,599      
Gross Amounts at Which Carried at Close of Period        
Land 8,281,041      
Buildings, Improvements and Acquisition Fees 15,001,192      
Total 23,282,233      
Accumulated Depreciation $ 12,683,737      
U.S. | Office supplies | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 23 years      
U.S. | Office supplies | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Other manufacturing        
SEC Schedule III        
Number of Properties | property 7      
Encumbrances $ 23,664,607      
Initial Cost to Company        
Land 8,893,136      
Buildings, Improvements and Acquisition Fees 78,526,394      
Cost Capitalized Subsequent to Acquisition        
Improvements 1,676,794      
Carrying Costs 239,723      
Gross Amounts at Which Carried at Close of Period        
Land 8,893,136      
Buildings, Improvements and Acquisition Fees 80,442,911      
Total 89,336,047      
Accumulated Depreciation $ 14,216,221      
U.S. | Other manufacturing | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 34 years      
U.S. | Other manufacturing | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Packaging        
SEC Schedule III        
Number of Properties | property 10      
Encumbrances $ 1,809,877      
Initial Cost to Company        
Land 20,323,553      
Buildings, Improvements and Acquisition Fees 163,114,123      
Cost Capitalized Subsequent to Acquisition        
Improvements 2,480,121      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 20,323,553      
Buildings, Improvements and Acquisition Fees 165,594,244      
Total 185,917,797      
Accumulated Depreciation $ 33,290,751      
U.S. | Packaging | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Packaging | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Paper        
SEC Schedule III        
Number of Properties | property 2      
Encumbrances $ 0      
Initial Cost to Company        
Land 2,462,414      
Buildings, Improvements and Acquisition Fees 11,934,685      
Cost Capitalized Subsequent to Acquisition        
Improvements 44,760      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 2,462,414      
Buildings, Improvements and Acquisition Fees 11,979,445      
Total 14,441,859      
Accumulated Depreciation $ 3,834,776      
U.S. | Paper | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Paper | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Pet supplies and services        
SEC Schedule III        
Number of Properties | property 43      
Encumbrances $ 2,509,000      
Initial Cost to Company        
Land 26,418,753      
Buildings, Improvements and Acquisition Fees 114,773,425      
Cost Capitalized Subsequent to Acquisition        
Improvements 5,541,147      
Carrying Costs 243,582      
Gross Amounts at Which Carried at Close of Period        
Land 26,418,753      
Buildings, Improvements and Acquisition Fees 120,558,154      
Total 146,976,907      
Accumulated Depreciation $ 25,506,704      
U.S. | Pet supplies and services | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 11 years      
U.S. | Pet supplies and services | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Restaurants-casual dining        
SEC Schedule III        
Number of Properties | property 263      
Encumbrances $ 0      
Initial Cost to Company        
Land 225,489,972      
Buildings, Improvements and Acquisition Fees 416,077,090      
Cost Capitalized Subsequent to Acquisition        
Improvements (1,386,447)      
Carrying Costs 1,936,522      
Gross Amounts at Which Carried at Close of Period        
Land 225,489,972      
Buildings, Improvements and Acquisition Fees 416,627,165      
Total 642,117,137      
Accumulated Depreciation $ 126,891,240      
U.S. | Restaurants-casual dining | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 10 years      
U.S. | Restaurants-casual dining | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 40 years      
U.S. | Restaurants-quick service        
SEC Schedule III        
Number of Properties | property 907      
Encumbrances $ 0      
Initial Cost to Company        
Land 434,309,094      
Buildings, Improvements and Acquisition Fees 806,191,905      
Cost Capitalized Subsequent to Acquisition        
Improvements 865,353      
Carrying Costs 212,582      
Gross Amounts at Which Carried at Close of Period        
Land 434,309,094      
Buildings, Improvements and Acquisition Fees 807,269,840      
Total 1,241,578,934      
Accumulated Depreciation $ 178,660,444      
U.S. | Restaurants-quick service | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 11 years      
U.S. | Restaurants-quick service | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 26 years      
U.S. | Shoe stores        
SEC Schedule III        
Number of Properties | property 3      
Encumbrances $ 0      
Initial Cost to Company        
Land 6,251,472      
Buildings, Improvements and Acquisition Fees 35,793,479      
Cost Capitalized Subsequent to Acquisition        
Improvements 214,466      
Carrying Costs 214,706      
Gross Amounts at Which Carried at Close of Period        
Land 6,251,472      
Buildings, Improvements and Acquisition Fees 36,222,651      
Total 42,474,123      
Accumulated Depreciation $ 10,836,836      
U.S. | Shoe stores | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 23 years      
U.S. | Shoe stores | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Sporting goods        
SEC Schedule III        
Number of Properties | property 20      
Encumbrances $ 0      
Initial Cost to Company        
Land 34,594,645      
Buildings, Improvements and Acquisition Fees 101,810,538      
Cost Capitalized Subsequent to Acquisition        
Improvements 997,950      
Carrying Costs 178,206      
Gross Amounts at Which Carried at Close of Period        
Land 34,594,645      
Buildings, Improvements and Acquisition Fees 102,986,694      
Total 137,581,339      
Accumulated Depreciation $ 29,388,411      
U.S. | Sporting goods | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 19 years      
U.S. | Sporting goods | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Telecommunications        
SEC Schedule III        
Number of Properties | property 7      
Encumbrances $ 0      
Initial Cost to Company        
Land 9,269,789      
Buildings, Improvements and Acquisition Fees 68,360,132      
Cost Capitalized Subsequent to Acquisition        
Improvements 1,484,421      
Carrying Costs 21,884      
Gross Amounts at Which Carried at Close of Period        
Land 9,269,789      
Buildings, Improvements and Acquisition Fees 69,866,437      
Total 79,136,226      
Accumulated Depreciation $ 20,270,489      
U.S. | Telecommunications | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 22 years      
U.S. | Telecommunications | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Theaters        
SEC Schedule III        
Number of Properties | property 78      
Encumbrances $ 0      
Initial Cost to Company        
Land 227,724,561      
Buildings, Improvements and Acquisition Fees 742,442,923      
Cost Capitalized Subsequent to Acquisition        
Improvements 8,987,908      
Carrying Costs 270      
Gross Amounts at Which Carried at Close of Period        
Land 227,724,561      
Buildings, Improvements and Acquisition Fees 751,431,101      
Total 979,155,662      
Accumulated Depreciation $ 212,038,075      
U.S. | Theaters | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 21 years      
U.S. | Theaters | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Transportation services        
SEC Schedule III        
Number of Properties | property 44      
Encumbrances $ 0      
Initial Cost to Company        
Land 102,948,288      
Buildings, Improvements and Acquisition Fees 800,700,134      
Cost Capitalized Subsequent to Acquisition        
Improvements 3,051,181      
Carrying Costs 401,593      
Gross Amounts at Which Carried at Close of Period        
Land 102,948,288      
Buildings, Improvements and Acquisition Fees 804,152,908      
Total 907,101,196      
Accumulated Depreciation $ 177,461,019      
U.S. | Transportation services | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Transportation services | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.S. | Wholesale clubs        
SEC Schedule III        
Number of Properties | property 33      
Encumbrances $ 17,820,000      
Initial Cost to Company        
Land 191,190,334      
Buildings, Improvements and Acquisition Fees 328,001,563      
Cost Capitalized Subsequent to Acquisition        
Improvements (3,889,900)      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 191,190,334      
Buildings, Improvements and Acquisition Fees 324,111,663      
Total 515,301,997      
Accumulated Depreciation $ 107,718,055      
U.S. | Wholesale clubs | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.S. | Other        
SEC Schedule III        
Number of Properties | property 6      
Encumbrances $ 0      
Initial Cost to Company        
Land 7,254,447      
Buildings, Improvements and Acquisition Fees 24,355,185      
Cost Capitalized Subsequent to Acquisition        
Improvements 887,023      
Carrying Costs 18,796      
Gross Amounts at Which Carried at Close of Period        
Land 7,254,447      
Buildings, Improvements and Acquisition Fees 25,261,004      
Total 32,515,451      
Accumulated Depreciation $ 6,351,227      
U.S. | Other | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 23 years      
U.S. | Other | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 35 years      
U.K. | Grocery stores        
SEC Schedule III        
Number of Properties | property 31      
Encumbrances $ 0      
Initial Cost to Company        
Land 568,612,041      
Buildings, Improvements and Acquisition Fees 586,831,469      
Cost Capitalized Subsequent to Acquisition        
Improvements 0      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 568,612,041      
Buildings, Improvements and Acquisition Fees 586,831,469      
Total 1,155,443,510      
Accumulated Depreciation $ 23,683,408      
U.K. | Grocery stores | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 25 years      
U.K. | Grocery stores | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 167 years      
U.K. | Health care        
SEC Schedule III        
Number of Properties | property 2      
Encumbrances $ 0      
Initial Cost to Company        
Land 8,902,803      
Buildings, Improvements and Acquisition Fees 17,341,109      
Cost Capitalized Subsequent to Acquisition        
Improvements 0      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 8,902,803      
Buildings, Improvements and Acquisition Fees 17,341,109      
Total 26,243,912      
Accumulated Depreciation $ 447,303      
U.K. | Health care | Minimum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 63 years      
U.K. | Health care | Maximum        
Gross Amounts at Which Carried at Close of Period        
Life on which depreciation in latest Income Statement is Computed 71 years      
U.K. | Home improvement        
SEC Schedule III        
Number of Properties | property 8      
Encumbrances $ 0      
Initial Cost to Company        
Land 101,275,951      
Buildings, Improvements and Acquisition Fees 86,969,771      
Cost Capitalized Subsequent to Acquisition        
Improvements 0      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 101,275,951      
Buildings, Improvements and Acquisition Fees 86,969,771      
Total 188,245,722      
Accumulated Depreciation $ 956,356      
Life on which depreciation in latest Income Statement is Computed 25 years      
U.K. | Theaters        
SEC Schedule III        
Number of Properties | property 1      
Encumbrances $ 0      
Initial Cost to Company        
Land 1,561,502      
Buildings, Improvements and Acquisition Fees 0      
Cost Capitalized Subsequent to Acquisition        
Improvements 0      
Carrying Costs 0      
Gross Amounts at Which Carried at Close of Period        
Land 1,561,502      
Buildings, Improvements and Acquisition Fees 0      
Total 1,561,502      
Accumulated Depreciation $ 0