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Schedule III - Real Estate and Accumulated Depreciation (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed      
Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 2,080,307      
Initial Cost to Company        
Land 1,279,611      
Buildings 4,268,407      
Cost Capitalized Subsequent to Acquisition 189,559      
Increase (Decrease) in Net Investments (429,366)      
Gross Amount at which Carried at Close of Period        
Land 1,160,567      
Buildings 4,147,644      
Total 5,308,211 $ 4,976,685 $ 2,506,804 $ 2,331,613
Accumulated Depreciation 372,735 253,627 168,076 116,075
Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 162,470      
Initial Cost to Company        
Land 110,357      
Buildings 756,237      
Cost Capitalized Subsequent to Acquisition 9      
Increase (Decrease) in Net Investments (110,250)      
Gross Amount at which Carried at Close of Period        
Total 756,353      
Operating Real Estate        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 45,981      
Initial Cost to Company        
Land 10,230      
Buildings 77,994      
Cost Capitalized Subsequent to Acquisition 945      
Increase (Decrease) in Net Investments (13,689)      
Gross Amount at which Carried at Close of Period        
Land 6,578      
Buildings 68,558      
Total 82,749 84,885 6,024 99,703
Accumulated Depreciation 8,794 $ 4,866 $ 882 $ 19,993
Real Estate And Accumulated Depreciation Initial Cost Of Personal Property 7,269      
Real Estate And Accumulated Depreciation Carrying Amount Of Personal Property 7,613      
Industrial facilities in Erlanger, KY | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 11,107      
Initial Cost to Company        
Land 1,526      
Buildings 21,427      
Cost Capitalized Subsequent to Acquisition 2,966      
Increase (Decrease) in Net Investments 141      
Gross Amount at which Carried at Close of Period        
Land 1,526      
Buildings 24,534      
Total 26,060      
Accumulated Depreciation $ 11,396      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Industrial facilities in Thurmont, MD and Farmington, NY | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 729      
Buildings 5,903      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 729      
Buildings 5,903      
Total 6,632      
Accumulated Depreciation $ 663      
Life on which Depreciation in Latest Statement of Income is Computed 15 years      
Retail facility in Montgomery, AL | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 855      
Buildings 6,762      
Cost Capitalized Subsequent to Acquisition 277      
Increase (Decrease) in Net Investments (6,978)      
Gross Amount at which Carried at Close of Period        
Land 142      
Buildings 774      
Total 916      
Accumulated Depreciation $ 471      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Warehouse facilities in Anchorage, AK and Commerce, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 4,905      
Buildings 11,898      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 12      
Gross Amount at which Carried at Close of Period        
Land 4,905      
Buildings 11,910      
Total 16,815      
Accumulated Depreciation $ 3,421      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Industrial facility in Toledo, OH | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 224      
Buildings 2,408      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 224      
Buildings 2,408      
Total 2,632      
Accumulated Depreciation $ 1,304      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Industrial facility in Goshen, IN | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 239      
Buildings 940      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 239      
Buildings 940      
Total 1,179      
Accumulated Depreciation $ 274      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Raleigh, NC | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,638      
Buildings 2,844      
Cost Capitalized Subsequent to Acquisition 187      
Increase (Decrease) in Net Investments (2,554)      
Gross Amount at which Carried at Close of Period        
Land 828      
Buildings 1,287      
Total 2,115      
Accumulated Depreciation $ 666      
Life on which Depreciation in Latest Statement of Income is Computed 20 years      
Office facility in King of Prussia, PA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,219      
Buildings 6,283      
Cost Capitalized Subsequent to Acquisition 1,295      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,219      
Buildings 7,578      
Total 8,797      
Accumulated Depreciation $ 3,248      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Industrial facility in Pinconning, MI | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 32      
Buildings 1,692      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 32      
Buildings 1,692      
Total 1,724      
Accumulated Depreciation $ 761      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Industrial facilities in San Fernando, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 6,658      
Initial Cost to Company        
Land 2,052      
Buildings 5,322      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,889)      
Gross Amount at which Carried at Close of Period        
Land 1,494      
Buildings 3,991      
Total 5,485      
Accumulated Depreciation $ 1,814      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Retail facilities in several cities in the following states: Alabama, Florida, Georgia, Illinois, Louisiana, Missouri, New Mexico, North Carolina, South Carolina, Tennessee, and Texas | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 9,382      
Buildings 0      
Cost Capitalized Subsequent to Acquisition 238      
Increase (Decrease) in Net Investments 3,371      
Gross Amount at which Carried at Close of Period        
Land 9,210      
Buildings 3,781      
Total 12,991      
Accumulated Depreciation $ 668      
Life on which Depreciation in Latest Statement of Income is Computed 15 years      
Land in Glendora, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,135      
Buildings 0      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 17      
Gross Amount at which Carried at Close of Period        
Land 1,152      
Buildings 0      
Total 1,152      
Accumulated Depreciation 0      
Land in Doraville, GA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 3,288      
Buildings 9,864      
Cost Capitalized Subsequent to Acquisition 1,546      
Increase (Decrease) in Net Investments (11,410)      
Gross Amount at which Carried at Close of Period        
Land 3,288      
Buildings 0      
Total 3,288      
Accumulated Depreciation $ 0      
Life on which Depreciation in Latest Statement of Income is Computed      
Office facilities in Collierville, TN and warehouse facility in Corpus Christi, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 48,320      
Initial Cost to Company        
Land 3,490      
Buildings 72,497      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (15,609)      
Gross Amount at which Carried at Close of Period        
Land 288      
Buildings 60,090      
Total 60,378      
Accumulated Depreciation $ 9,853      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Land in Irving and Houston, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 9,795      
Buildings 0      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 9,795      
Buildings 0      
Total 9,795      
Accumulated Depreciation 0      
Industrial facility in Chandler, AZ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 9,891      
Initial Cost to Company        
Land 5,035      
Buildings 18,957      
Cost Capitalized Subsequent to Acquisition 7,435      
Increase (Decrease) in Net Investments 541      
Gross Amount at which Carried at Close of Period        
Land 5,035      
Buildings 26,933      
Total 31,968      
Accumulated Depreciation $ 11,313      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Bridgeton, MO | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 842      
Buildings 4,762      
Cost Capitalized Subsequent to Acquisition 2,523      
Increase (Decrease) in Net Investments 71      
Gross Amount at which Carried at Close of Period        
Land 842      
Buildings 7,356      
Total 8,198      
Accumulated Depreciation $ 2,566      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Retail facilities in Drayton Plains, MI and Citrus Heights, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,039      
Buildings 4,788      
Cost Capitalized Subsequent to Acquisition 202      
Increase (Decrease) in Net Investments 193      
Gross Amount at which Carried at Close of Period        
Land 1,039      
Buildings 5,183      
Total 6,222      
Accumulated Depreciation $ 1,438      
Life on which Depreciation in Latest Statement of Income is Computed 35 years      
Warehouse facility in Memphis, TN | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,882      
Buildings 3,973      
Cost Capitalized Subsequent to Acquisition 255      
Increase (Decrease) in Net Investments (3,893)      
Gross Amount at which Carried at Close of Period        
Land 328      
Buildings 1,889      
Total 2,217      
Accumulated Depreciation $ 834      
Life on which Depreciation in Latest Statement of Income is Computed 15 years      
Retail facility in Bellevue, WA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 4,125      
Buildings 11,812      
Cost Capitalized Subsequent to Acquisition 393      
Increase (Decrease) in Net Investments (123)      
Gross Amount at which Carried at Close of Period        
Land 4,371      
Buildings 11,836      
Total 16,207      
Accumulated Depreciation $ 5,219      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Houston, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 3,260      
Buildings 22,574      
Cost Capitalized Subsequent to Acquisition 1,628      
Increase (Decrease) in Net Investments (23,754)      
Gross Amount at which Carried at Close of Period        
Land 211      
Buildings 3,497      
Total 3,708      
Accumulated Depreciation $ 2,620      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Rio Rancho, NM | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 7,313      
Initial Cost to Company        
Land 1,190      
Buildings 9,353      
Cost Capitalized Subsequent to Acquisition 1,742      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,467      
Buildings 10,818      
Total 12,285      
Accumulated Depreciation $ 4,550      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Moorestown, NJ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 351      
Buildings 5,981      
Cost Capitalized Subsequent to Acquisition 1,470      
Increase (Decrease) in Net Investments 43      
Gross Amount at which Carried at Close of Period        
Land 351      
Buildings 7,494      
Total 7,845      
Accumulated Depreciation $ 3,430      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Norcross, GA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 26,951      
Initial Cost to Company        
Land 5,200      
Buildings 25,585      
Cost Capitalized Subsequent to Acquisition 11,822      
Increase (Decrease) in Net Investments (28,152)      
Gross Amount at which Carried at Close of Period        
Land 2,646      
Buildings 11,809      
Total 14,455      
Accumulated Depreciation $ 481      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Illkirch, France | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 7,322      
Initial Cost to Company        
Land 0      
Buildings 18,520      
Cost Capitalized Subsequent to Acquisition 6      
Increase (Decrease) in Net Investments 1,041      
Gross Amount at which Carried at Close of Period        
Land 0      
Buildings 19,567      
Total 19,567      
Accumulated Depreciation $ 9,224      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Industrial facilities in Lenexa, KS and Winston-Salem, NC | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,860      
Buildings 12,539      
Cost Capitalized Subsequent to Acquisition 2,875      
Increase (Decrease) in Net Investments (1,067)      
Gross Amount at which Carried at Close of Period        
Land 1,725      
Buildings 14,482      
Total 16,207      
Accumulated Depreciation $ 4,279      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facilities in Playa Vista and Venice, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 46,741      
Initial Cost to Company        
Land 2,032      
Buildings 10,152      
Cost Capitalized Subsequent to Acquisition 52,817      
Increase (Decrease) in Net Investments 1      
Gross Amount at which Carried at Close of Period        
Land 5,889      
Buildings 59,113      
Total 65,002      
Accumulated Depreciation $ 8,184      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Warehouse facility in Greenfield, IN | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 2,807      
Buildings 10,335      
Cost Capitalized Subsequent to Acquisition 223      
Increase (Decrease) in Net Investments (8,383)      
Gross Amount at which Carried at Close of Period        
Land 967      
Buildings 4,015      
Total 4,982      
Accumulated Depreciation $ 1,282      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Warehouse facilities in Birmingham, AL | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,256      
Buildings 7,704      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,256      
Buildings 7,704      
Total 8,960      
Accumulated Depreciation $ 2,175      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Industrial facility in Scottsdale, AZ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 1,102      
Initial Cost to Company        
Land 586      
Buildings 46      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 586      
Buildings 46      
Total 632      
Accumulated Depreciation $ 13      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Retail facility in Hot Springs, AR | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 850      
Buildings 2,939      
Cost Capitalized Subsequent to Acquisition 2      
Increase (Decrease) in Net Investments (2,614)      
Gross Amount at which Carried at Close of Period        
Land 0      
Buildings 1,177      
Total 1,177      
Accumulated Depreciation $ 333      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Warehouse facilities in Apopka, FL | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 362      
Buildings 10,855      
Cost Capitalized Subsequent to Acquisition 783      
Increase (Decrease) in Net Investments (155)      
Gross Amount at which Carried at Close of Period        
Land 337      
Buildings 11,508      
Total 11,845      
Accumulated Depreciation $ 3,091      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Land in San Leandro, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,532      
Buildings 0      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,532      
Buildings 0      
Total 1,532      
Accumulated Depreciation 0      
Sports facility in Austin, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 2,664      
Initial Cost to Company        
Land 1,725      
Buildings 5,168      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,725      
Buildings 5,168      
Total 6,893      
Accumulated Depreciation $ 1,647      
Life on which Depreciation in Latest Statement of Income is Computed 29 years      
Retail facility in Wroclaw, Poland | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 6,544      
Initial Cost to Company        
Land 3,600      
Buildings 10,306      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (4,061)      
Gross Amount at which Carried at Close of Period        
Land 2,722      
Buildings 7,123      
Total 9,845      
Accumulated Depreciation $ 1,430      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Fort Worth, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 31,870      
Initial Cost to Company        
Land 4,600      
Buildings 37,580      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 4,600      
Buildings 37,580      
Total 42,180      
Accumulated Depreciation $ 5,558      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Warehouse facility in Mallorca, Spain | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 11,109      
Buildings 12,636      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (2,104)      
Gross Amount at which Carried at Close of Period        
Land 10,106      
Buildings 11,535      
Total 21,641      
Accumulated Depreciation $ 1,606      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facilities in San Diego, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 32,661      
Initial Cost to Company        
Land 7,247      
Buildings 29,098      
Cost Capitalized Subsequent to Acquisition 1,214      
Increase (Decrease) in Net Investments (5,514)      
Gross Amount at which Carried at Close of Period        
Land 4,762      
Buildings 27,283      
Total 32,045      
Accumulated Depreciation $ 5,376      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Retail facilities in Florence, AL; Snellville, GA; Concord, NC; Rockport, TX; and Virginia Beach, VA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 22,000      
Initial Cost to Company        
Land 5,646      
Buildings 12,367      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 5,646      
Buildings 12,367      
Total 18,013      
Accumulated Depreciation $ 1,085      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Hotels in Irvine, Sacramento, and San Diego, CA; Orlando, FL; Des Plaines, IL; Indianapolis, IN; Louisville, KY; Linthicum Heights, MD; Newark, NJ; Albuquerque, NM; and Spokane, WA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 137,717      
Initial Cost to Company        
Land 32,680      
Buildings 198,999      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 32,680      
Buildings 198,999      
Total 231,679      
Accumulated Depreciation $ 17,801      
Hotels in Irvine, Sacramento, and San Diego, CA; Orlando, FL; Des Plaines, IL; Indianapolis, IN; Louisville, KY; Linthicum Heights, MD; Newark, NJ; Albuquerque, NM; and Spokane, WA | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 34 years      
Hotels in Irvine, Sacramento, and San Diego, CA; Orlando, FL; Des Plaines, IL; Indianapolis, IN; Louisville, KY; Linthicum Heights, MD; Newark, NJ; Albuquerque, NM; and Spokane, WA | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 37 years      
Industrial facilities in Auburn, IN; Clinton Township, MI; and Bluffton, OH | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 7,597      
Initial Cost to Company        
Land 4,403      
Buildings 20,298      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (3,870)      
Gross Amount at which Carried at Close of Period        
Land 2,589      
Buildings 18,242      
Total 20,831      
Accumulated Depreciation $ 1,442      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Land in Irvine, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 1,625      
Initial Cost to Company        
Land 4,173      
Buildings 0      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 4,173      
Buildings 0      
Total 4,173      
Accumulated Depreciation 0      
Industrial facility in Alpharetta, GA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 7,197      
Initial Cost to Company        
Land 2,198      
Buildings 6,349      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,198      
Buildings 6,349      
Total 8,547      
Accumulated Depreciation $ 688      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Office facility in Clinton, NJ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 22,947      
Initial Cost to Company        
Land 2,866      
Buildings 34,834      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,866      
Buildings 34,834      
Total 37,700      
Accumulated Depreciation $ 3,776      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Office facilities in St. Petersburg, FL | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 3,280      
Buildings 24,627      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,280      
Buildings 24,627      
Total 27,907      
Accumulated Depreciation $ 2,662      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Movie theater in Baton Rouge, LA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 9,524      
Initial Cost to Company        
Land 4,168      
Buildings 5,724      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 4,168      
Buildings 5,724      
Total 9,892      
Accumulated Depreciation $ 621      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Office facilities in San Diego, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 7,804      
Buildings 16,729      
Cost Capitalized Subsequent to Acquisition 1,656      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 7,804      
Buildings 18,385      
Total 26,189      
Accumulated Depreciation $ 1,969      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Industrial facilities in Richmond, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 895      
Buildings 1,953      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 895      
Buildings 1,953      
Total 2,848      
Accumulated Depreciation $ 212      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Industrial and warehouse facilities in Kingman, AZ; Woodland, CA; Jonesboro, GA; Kansas City, MO; Springfield, OR; Fogelsville, PA; and Corsicana, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 58,262      
Initial Cost to Company        
Land 16,386      
Buildings 84,668      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 16,386      
Buildings 84,668      
Total 101,054      
Accumulated Depreciation $ 9,103      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Warehouse facilities in Lens, Nimes, Colomiers, Thuit Hebert, Ploufragen, and Cholet, France | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 15,779      
Buildings 89,421      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (16,139)      
Gross Amount at which Carried at Close of Period        
Land 13,359      
Buildings 75,702      
Total 89,061      
Accumulated Depreciation $ 8,191      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Industrial facilities in Orlando, FL; Rocky Mount, NC, and Lewisville, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 2,163      
Buildings 17,715      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,163      
Buildings 17,715      
Total 19,878      
Accumulated Depreciation $ 1,920      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Industrial facilities in Chattanooga, TN | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 558      
Buildings 5,923      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 558      
Buildings 5,923      
Total 6,481      
Accumulated Depreciation $ 635      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Industrial facility in Mooresville, NC | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 5,077      
Initial Cost to Company        
Land 756      
Buildings 9,775      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 756      
Buildings 9,775      
Total 10,531      
Accumulated Depreciation $ 1,045      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Industrial facility in McCalla, AL | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 960      
Buildings 14,472      
Cost Capitalized Subsequent to Acquisition 6,350      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 960      
Buildings 20,822      
Total 21,782      
Accumulated Depreciation $ 2,450      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Office facility in Lower Makefield Township, PA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 9,549      
Initial Cost to Company        
Land 1,726      
Buildings 12,781      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,726      
Buildings 12,781      
Total 14,507      
Accumulated Depreciation $ 1,363      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Industrial facility in Fort Smith, AZ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,063      
Buildings 6,159      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,063      
Buildings 6,159      
Total 7,222      
Accumulated Depreciation $ 651      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Retail facilities in Greenwood, IN and Buffalo, NY | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 8,755      
Initial Cost to Company        
Land 0      
Buildings 19,990      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 0      
Buildings 19,990      
Total 19,990      
Accumulated Depreciation $ 2,092      
Retail facilities in Greenwood, IN and Buffalo, NY | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Retail facilities in Greenwood, IN and Buffalo, NY | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facilities in Bowling Green, KY and Jackson, TN | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 6,391      
Initial Cost to Company        
Land 1,492      
Buildings 8,182      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,492      
Buildings 8,182      
Total 9,674      
Accumulated Depreciation $ 863      
Industrial facilities in Bowling Green, KY and Jackson, TN | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Learning centers in Avondale, AZ; Rancho Cucamonga, CA; Glendale Heights, IL; and Exton, PA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 32,553      
Initial Cost to Company        
Land 14,006      
Buildings 33,683      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,961)      
Gross Amount at which Carried at Close of Period        
Land 12,045      
Buildings 33,683      
Total 45,728      
Accumulated Depreciation $ 3,422      
Learning centers in Avondale, AZ; Rancho Cucamonga, CA; Glendale Heights, IL; and Exton, PA | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Learning centers in Avondale, AZ; Rancho Cucamonga, CA; Glendale Heights, IL; and Exton, PA | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 32 years      
Industrial facilities in St. Petersburg, FL; Buffalo Grove, IL; West Lafayette, IN; Excelsior Springs, MO; and North Versailles, PA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 10,146      
Initial Cost to Company        
Land 6,559      
Buildings 19,078      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 6,559      
Buildings 19,078      
Total 25,637      
Accumulated Depreciation $ 1,996      
Industrial facilities in St. Petersburg, FL; Buffalo Grove, IL; West Lafayette, IN; Excelsior Springs, MO; and North Versailles, PA | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facilities in Tolleson, AZ; Alsip, IL; and Solvay, NY | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 12,339      
Initial Cost to Company        
Land 6,080      
Buildings 23,424      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 6,080      
Buildings 23,424      
Total 29,504      
Accumulated Depreciation $ 2,431      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Land in Kahl, Germany | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 6,694      
Buildings 0      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,027)      
Gross Amount at which Carried at Close of Period        
Land 5,667      
Buildings 0      
Total 5,667      
Accumulated Depreciation 0      
Sports facilities in Englewood, CO; Memphis TN; and Bedford, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 7,925      
Initial Cost to Company        
Land 4,877      
Buildings 4,258      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 4,823      
Gross Amount at which Carried at Close of Period        
Land 4,877      
Buildings 9,081      
Total 13,958      
Accumulated Depreciation $ 993      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Office facilities in Mons, Belgium | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 7,820      
Initial Cost to Company        
Land 1,505      
Buildings 6,026      
Cost Capitalized Subsequent to Acquisition 653      
Increase (Decrease) in Net Investments (1,285)      
Gross Amount at which Carried at Close of Period        
Land 1,274      
Buildings 5,625      
Total 6,899      
Accumulated Depreciation $ 543      
Life on which Depreciation in Latest Statement of Income is Computed 32 years      
Warehouse facilities in Oceanside, CA and Concordville, PA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 3,667      
Initial Cost to Company        
Land 3,333      
Buildings 8,270      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,333      
Buildings 8,270      
Total 11,603      
Accumulated Depreciation $ 861      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Self-storage facilities located throughout the United States | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 74,551      
Buildings 319,186      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (50)      
Gross Amount at which Carried at Close of Period        
Land 74,501      
Buildings 319,186      
Total 393,687      
Accumulated Depreciation $ 32,867      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Warehouse facility in La Vista, NE | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 21,137      
Initial Cost to Company        
Land 4,196      
Buildings 23,148      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 4,196      
Buildings 23,148      
Total 27,344      
Accumulated Depreciation $ 2,247      
Life on which Depreciation in Latest Statement of Income is Computed 33 years      
Office facility in Pleasanton, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 10,478      
Initial Cost to Company        
Land 3,675      
Buildings 7,468      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,675      
Buildings 7,468      
Total 11,143      
Accumulated Depreciation $ 767      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Office facility in San Marcos, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 440      
Buildings 688      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 440      
Buildings 688      
Total 1,128      
Accumulated Depreciation $ 71      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Office facilities in Espoo, Finland | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 40,826      
Initial Cost to Company        
Land 40,555      
Buildings 15,662      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (20,107)      
Gross Amount at which Carried at Close of Period        
Land 26,980      
Buildings 9,130      
Total 36,110      
Accumulated Depreciation $ 79      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Office facility in Chicago, IL | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 14,217      
Initial Cost to Company        
Land 2,169      
Buildings 19,010      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,169      
Buildings 19,010      
Total 21,179      
Accumulated Depreciation $ 1,937      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facility in Louisville, CO | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 7,997      
Initial Cost to Company        
Land 5,342      
Buildings 8,786      
Cost Capitalized Subsequent to Acquisition 1,849      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 5,481      
Buildings 10,496      
Total 15,977      
Accumulated Depreciation $ 1,220      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facilities in Hollywood and Orlando, FL | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 3,639      
Buildings 1,269      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,639      
Buildings 1,269      
Total 4,908      
Accumulated Depreciation $ 129      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Warehouse facility in Golden, CO | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 808      
Buildings 4,304      
Cost Capitalized Subsequent to Acquisition 77      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 808      
Buildings 4,381      
Total 5,189      
Accumulated Depreciation $ 489      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Industrial facilities in Texarkana, TX and Orem, UT | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,755      
Buildings 4,493      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,755      
Buildings 4,493      
Total 6,248      
Accumulated Depreciation $ 458      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facility in Eugene, OR | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 4,460      
Initial Cost to Company        
Land 2,286      
Buildings 3,783      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,286      
Buildings 3,783      
Total 6,069      
Accumulated Depreciation $ 385      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facility in Neenah, WI | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 438      
Buildings 4,954      
Cost Capitalized Subsequent to Acquisition 64      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 438      
Buildings 5,018      
Total 5,456      
Accumulated Depreciation $ 506      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facility in South Jordan, UT | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 12,246      
Initial Cost to Company        
Land 2,183      
Buildings 11,340      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,183      
Buildings 11,340      
Total 13,523      
Accumulated Depreciation $ 1,156      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Warehouse facility in Ennis, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 2,333      
Initial Cost to Company        
Land 478      
Buildings 4,087      
Cost Capitalized Subsequent to Acquisition 145      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 478      
Buildings 4,232      
Total 4,710      
Accumulated Depreciation $ 499      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Retail facility in Braintree, MA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 3,127      
Initial Cost to Company        
Land 2,409      
Buildings 0      
Cost Capitalized Subsequent to Acquisition 6,184      
Increase (Decrease) in Net Investments (1,403)      
Gross Amount at which Carried at Close of Period        
Land 1,006      
Buildings 6,184      
Total 7,190      
Accumulated Depreciation $ 380      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Office facility in Helsinki, Finland | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 58,756      
Initial Cost to Company        
Land 26,560      
Buildings 20,735      
Cost Capitalized Subsequent to Acquisition 92      
Increase (Decrease) in Net Investments (7,256)      
Gross Amount at which Carried at Close of Period        
Land 22,485      
Buildings 17,646      
Total 40,131      
Accumulated Depreciation $ 1,770      
Life on which Depreciation in Latest Statement of Income is Computed 32 years      
Office facility in Paris, France | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 58,508      
Initial Cost to Company        
Land 23,387      
Buildings 43,450      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (10,255)      
Gross Amount at which Carried at Close of Period        
Land 19,799      
Buildings 36,783      
Total 56,582      
Accumulated Depreciation $ 3,653      
Life on which Depreciation in Latest Statement of Income is Computed 32 years      
Retail facilities in Bydgoszcz, Czestochowa, Jablonna, Katowice, Kielce, Lodz, Lubin, Olsztyn, Opole, Plock, Rybnik, Walbrzych, and Warsaw, Poland | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 114,073      
Initial Cost to Company        
Land 26,564      
Buildings 72,866      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (15,255)      
Gross Amount at which Carried at Close of Period        
Land 22,488      
Buildings 61,687      
Total 84,175      
Accumulated Depreciation $ 8,412      
Retail facilities in Bydgoszcz, Czestochowa, Jablonna, Katowice, Kielce, Lodz, Lubin, Olsztyn, Opole, Plock, Rybnik, Walbrzych, and Warsaw, Poland | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 23 years      
Retail facilities in Bydgoszcz, Czestochowa, Jablonna, Katowice, Kielce, Lodz, Lubin, Olsztyn, Opole, Plock, Rybnik, Walbrzych, and Warsaw, Poland | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 34 years      
Office facility in Laupheim, Germany | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 2,072      
Buildings 8,339      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,598)      
Gross Amount at which Carried at Close of Period        
Land 1,754      
Buildings 7,059      
Total 8,813      
Accumulated Depreciation $ 1,149      
Life on which Depreciation in Latest Statement of Income is Computed 20 years      
Industrial facilities in Danbury, CT and Bedford, MA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 10,144      
Initial Cost to Company        
Land 3,519      
Buildings 16,329      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,519      
Buildings 16,329      
Total 19,848      
Accumulated Depreciation $ 1,776      
Life on which Depreciation in Latest Statement of Income is Computed 29 years      
Warehouse facilities in Venlo, Netherlands | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 10,154      
Buildings 18,590      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (4,678)      
Gross Amount at which Carried at Close of Period        
Land 8,501      
Buildings 15,565      
Total 24,066      
Accumulated Depreciation $ 1,224      
Life on which Depreciation in Latest Statement of Income is Computed 35 years      
Industrial and office facilities in Tampere, Finland | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 2,309      
Buildings 37,153      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (6,506)      
Gross Amount at which Carried at Close of Period        
Land 1,904      
Buildings 31,052      
Total 32,956      
Accumulated Depreciation $ 2,561      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Quincy, MA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 2,316      
Buildings 21,537      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,316      
Buildings 21,537      
Total 23,853      
Accumulated Depreciation $ 1,493      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Salford, United Kingdom | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 0      
Buildings 30,012      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,553)      
Gross Amount at which Carried at Close of Period        
Land 0      
Buildings 28,459      
Total 28,459      
Accumulated Depreciation $ 1,704      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Lone Tree, CO | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 4,761      
Buildings 28,864      
Cost Capitalized Subsequent to Acquisition 1,377      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 4,761      
Buildings 30,241      
Total 35,002      
Accumulated Depreciation $ 1,738      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Mönchengladbach, Germany | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 29,449      
Initial Cost to Company        
Land 2,154      
Buildings 6,917      
Cost Capitalized Subsequent to Acquisition 44,205      
Increase (Decrease) in Net Investments (1,241)      
Gross Amount at which Carried at Close of Period        
Land 2,091      
Buildings 49,944      
Total 52,035      
Accumulated Depreciation $ 415      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Sports facility in Houston, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 3,340      
Initial Cost to Company        
Land 2,430      
Buildings 2,270      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,430      
Buildings 2,270      
Total 4,700      
Accumulated Depreciation $ 194      
Life on which Depreciation in Latest Statement of Income is Computed 23 years      
Sports facility in St. Charles, MO | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,966      
Buildings 1,368      
Cost Capitalized Subsequent to Acquisition 80      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,966      
Buildings 1,448      
Total 3,414      
Accumulated Depreciation $ 101      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Sports facility in Salt Lake City, UT | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 2,918      
Initial Cost to Company        
Land 856      
Buildings 2,804      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 856      
Buildings 2,804      
Total 3,660      
Accumulated Depreciation $ 208      
Life on which Depreciation in Latest Statement of Income is Computed 26 years      
Land in Scottsdale, AZ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 10,599      
Initial Cost to Company        
Land 22,300      
Buildings 0      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 22,300      
Buildings 0      
Total 22,300      
Accumulated Depreciation 0      
Industrial facility in Aurora, CO | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 3,056      
Initial Cost to Company        
Land 737      
Buildings 2,609      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 737      
Buildings 2,609      
Total 3,346      
Accumulated Depreciation $ 158      
Life on which Depreciation in Latest Statement of Income is Computed 32 years      
Office facilities in Sunnyvale, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 52,922      
Initial Cost to Company        
Land 43,489      
Buildings 73,035      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 43,489      
Buildings 73,035      
Total 116,524      
Accumulated Depreciation $ 5,626      
Life on which Depreciation in Latest Statement of Income is Computed 25 years      
Warehouse facility in Burlington, NJ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 3,989      
Buildings 6,213      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,989      
Buildings 6,213      
Total 10,202      
Accumulated Depreciation $ 468      
Life on which Depreciation in Latest Statement of Income is Computed 26 years      
Industrial facility in Albuquerque, NM | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 2,467      
Buildings 3,476      
Cost Capitalized Subsequent to Acquisition 606      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,467      
Buildings 4,082      
Total 6,549      
Accumulated Depreciation $ 270      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Industrial facilities in Robbinsville, NJ; North Salt Lake, UT; and Radford, VA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 1,472      
Initial Cost to Company        
Land 10,601      
Buildings 17,626      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (6,780)      
Gross Amount at which Carried at Close of Period        
Land 7,894      
Buildings 13,553      
Total 21,447      
Accumulated Depreciation $ 991      
Life on which Depreciation in Latest Statement of Income is Computed 26 years      
Industrial facilities in Murrysville, PA and Wylie, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 2,185      
Buildings 12,058      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 1      
Gross Amount at which Carried at Close of Period        
Land 2,185      
Buildings 12,059      
Total 14,244      
Accumulated Depreciation $ 859      
Industrial facilities in Murrysville, PA and Wylie, TX | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Industrial facilities in Murrysville, PA and Wylie, TX | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Industrial facility in Welcome, NC | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 980      
Buildings 11,230      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 980      
Buildings 11,230      
Total 12,210      
Accumulated Depreciation $ 774      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Industrial facilities in Evansville, IN; Lawrence, KS; and Baltimore, MD | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 26,453      
Initial Cost to Company        
Land 4,005      
Buildings 44,192      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 4,005      
Buildings 44,192      
Total 48,197      
Accumulated Depreciation $ 3,547      
Life on which Depreciation in Latest Statement of Income is Computed 24 years      
Industrial facilities in Colton, CA; Bonner Springs, KS; and Dallas, TX and land in Eagan, MN | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 20,142      
Initial Cost to Company        
Land 8,451      
Buildings 25,457      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 298      
Gross Amount at which Carried at Close of Period        
Land 8,451      
Buildings 25,755      
Total 34,206      
Accumulated Depreciation $ 1,716      
Industrial facilities in Colton, CA; Bonner Springs, KS; and Dallas, TX and land in Eagan, MN | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 17 years      
Industrial facilities in Colton, CA; Bonner Springs, KS; and Dallas, TX and land in Eagan, MN | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 34 years      
Retail facility in Torrance, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 24,188      
Initial Cost to Company        
Land 8,412      
Buildings 12,241      
Cost Capitalized Subsequent to Acquisition 1,213      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 8,412      
Buildings 13,454      
Total 21,866      
Accumulated Depreciation $ 982      
Life on which Depreciation in Latest Statement of Income is Computed 25 years      
Office facility in Houston, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 3,503      
Initial Cost to Company        
Land 6,578      
Buildings 424      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 6,578      
Buildings 424      
Total 7,002      
Accumulated Depreciation $ 13      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Land in Doncaster, United Kingdom | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 4,257      
Buildings 4,248      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (7,767)      
Gross Amount at which Carried at Close of Period        
Land 738      
Buildings 0      
Total 738      
Accumulated Depreciation 0      
Warehouse facility in Norwich, CT | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 11,450      
Initial Cost to Company        
Land 3,885      
Buildings 21,342      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 2      
Gross Amount at which Carried at Close of Period        
Land 3,885      
Buildings 21,344      
Total 25,229      
Accumulated Depreciation $ 1,446      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Warehouse facility in Norwich, CT | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,437      
Buildings 9,669      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,437      
Buildings 9,669      
Total 11,106      
Accumulated Depreciation $ 655      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Retail facility in Johnstown, PA and warehouse facility in Whitehall, PA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 7,435      
Buildings 9,093      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 17      
Gross Amount at which Carried at Close of Period        
Land 7,435      
Buildings 9,110      
Total 16,545      
Accumulated Depreciation $ 755      
Life on which Depreciation in Latest Statement of Income is Computed 23 years      
Retail facilities in York, PA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 8,860      
Initial Cost to Company        
Land 3,776      
Buildings 10,092      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,776      
Buildings 10,092      
Total 13,868      
Accumulated Depreciation $ 623      
Retail facilities in York, PA | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 26 years      
Retail facilities in York, PA | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 34 years      
Industrial facility in Pittsburgh, PA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,151      
Buildings 10,938      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,151      
Buildings 10,938      
Total 12,089      
Accumulated Depreciation $ 845      
Life on which Depreciation in Latest Statement of Income is Computed 25 years      
Warehouse facilities in Atlanta, GA and Elkwood, VA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 5,356      
Buildings 4,121      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (2,104)      
Gross Amount at which Carried at Close of Period        
Land 4,284      
Buildings 3,089      
Total 7,373      
Accumulated Depreciation $ 215      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Warehouse facility in Harrisburg, NC | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,753      
Buildings 5,840      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (111)      
Gross Amount at which Carried at Close of Period        
Land 1,642      
Buildings 5,840      
Total 7,482      
Accumulated Depreciation $ 428      
Life on which Depreciation in Latest Statement of Income is Computed 26 years      
Learning center in Nashville, TN | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 5,402      
Initial Cost to Company        
Land 1,098      
Buildings 7,043      
Cost Capitalized Subsequent to Acquisition 816      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,098      
Buildings 7,859      
Total 8,957      
Accumulated Depreciation $ 478      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Warehouse facilities in Boé, Carpiquet, Lagnieu, Le Mans, Lunéville, and Saint-Germain-du-Puy, France and land in Le Mans and Vendin-le-Vieil, France | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 38,350      
Initial Cost to Company        
Land 62,183      
Buildings 26,928      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (19,517)      
Gross Amount at which Carried at Close of Period        
Land 48,253      
Buildings 21,341      
Total 69,594      
Accumulated Depreciation $ 1,440      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Industrial facility in Chandler, AZ; industrial, office, and warehouse facilities in Englewood, CO; and land in Englewood, CO | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 5,456      
Initial Cost to Company        
Land 4,306      
Buildings 7,235      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 3      
Gross Amount at which Carried at Close of Period        
Land 4,306      
Buildings 7,238      
Total 11,544      
Accumulated Depreciation $ 458      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Industrial facility in Cynthiana, KY | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 2,556      
Initial Cost to Company        
Land 1,274      
Buildings 3,505      
Cost Capitalized Subsequent to Acquisition 176      
Increase (Decrease) in Net Investments (107)      
Gross Amount at which Carried at Close of Period        
Land 1,274      
Buildings 3,574      
Total 4,848      
Accumulated Depreciation $ 219      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facility in Columbia, SC | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 10,387      
Initial Cost to Company        
Land 2,843      
Buildings 11,886      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,843      
Buildings 11,886      
Total 14,729      
Accumulated Depreciation $ 1,007      
Life on which Depreciation in Latest Statement of Income is Computed 23 years      
Land in Midlothian, VA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 1,390      
Initial Cost to Company        
Land 2,824      
Buildings 0      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,824      
Buildings 0      
Total 2,824      
Accumulated Depreciation 0      
Residential facility in Laramie, WY | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 16,125      
Initial Cost to Company        
Land 1,966      
Buildings 18,896      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,966      
Buildings 18,896      
Total 20,862      
Accumulated Depreciation $ 2,160      
Life on which Depreciation in Latest Statement of Income is Computed 33 years      
Office facility in Greenville, SC | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 8,784      
Initial Cost to Company        
Land 562      
Buildings 7,916      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 43      
Gross Amount at which Carried at Close of Period        
Land 562      
Buildings 7,959      
Total 8,521      
Accumulated Depreciation $ 607      
Life on which Depreciation in Latest Statement of Income is Computed 25 years      
Warehouse facilities in Mendota, IL; Toppenish and Yakima, WA; and Plover, WI | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 9,729      
Initial Cost to Company        
Land 1,444      
Buildings 21,208      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,444      
Buildings 21,208      
Total 22,652      
Accumulated Depreciation $ 1,810      
Life on which Depreciation in Latest Statement of Income is Computed 23 years      
Industrial facility in Allen, TX and office facility in Sunnyvale, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 11,259      
Initial Cost to Company        
Land 9,297      
Buildings 24,086      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 9,297      
Buildings 24,086      
Total 33,383      
Accumulated Depreciation $ 1,491      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facilities in Hampton, NH | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 9,641      
Initial Cost to Company        
Land 8,990      
Buildings 7,362      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 8,990      
Buildings 7,362      
Total 16,352      
Accumulated Depreciation $ 464      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Industrial facilities located throughout France | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 20,481      
Initial Cost to Company        
Land 36,306      
Buildings 5,212      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (8,312)      
Gross Amount at which Carried at Close of Period        
Land 29,038      
Buildings 4,168      
Total 33,206      
Accumulated Depreciation $ 349      
Life on which Depreciation in Latest Statement of Income is Computed 23 years      
Retail facility in Fairfax, VA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 5,114      
Initial Cost to Company        
Land 3,402      
Buildings 16,353      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,402      
Buildings 16,353      
Total 19,755      
Accumulated Depreciation $ 1,188      
Life on which Depreciation in Latest Statement of Income is Computed 26 years      
Retail facility in Lombard, IL | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 5,114      
Initial Cost to Company        
Land 5,087      
Buildings 8,578      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 5,087      
Buildings 8,578      
Total 13,665      
Accumulated Depreciation $ 623      
Life on which Depreciation in Latest Statement of Income is Computed 26 years      
Warehouse facility in Plainfield, IN | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 20,529      
Initial Cost to Company        
Land 1,578      
Buildings 29,415      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,578      
Buildings 29,415      
Total 30,993      
Accumulated Depreciation $ 1,856      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Retail facility in Kennesaw, GA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 4,111      
Initial Cost to Company        
Land 2,849      
Buildings 6,180      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,849      
Buildings 6,180      
Total 9,029      
Accumulated Depreciation $ 449      
Life on which Depreciation in Latest Statement of Income is Computed 26 years      
Retail facility in Leawood, KS | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 9,094      
Initial Cost to Company        
Land 1,487      
Buildings 13,417      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,487      
Buildings 13,417      
Total 14,904      
Accumulated Depreciation $ 975      
Life on which Depreciation in Latest Statement of Income is Computed 26 years      
Office facility in Tolland, CT | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 8,158      
Initial Cost to Company        
Land 1,817      
Buildings 5,709      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 11      
Gross Amount at which Carried at Close of Period        
Land 1,817      
Buildings 5,720      
Total 7,537      
Accumulated Depreciation $ 399      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Warehouse facilities in Lincolnton, NC and Mauldin, SC | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 9,946      
Initial Cost to Company        
Land 1,962      
Buildings 9,247      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,962      
Buildings 9,247      
Total 11,209      
Accumulated Depreciation $ 630      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Retail facilities located throughout Germany | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 272,225      
Initial Cost to Company        
Land 81,109      
Buildings 153,927      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (47,054)      
Gross Amount at which Carried at Close of Period        
Land 64,871      
Buildings 123,111      
Total 187,982      
Accumulated Depreciation 8,306      
Office facility in Southfield, MI | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 1,726      
Buildings 4,856      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,726      
Buildings 4,856      
Total 6,582      
Accumulated Depreciation $ 301      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Office facility in The Woodlands, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 20,705      
Initial Cost to Company        
Land 3,204      
Buildings 24,997      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,204      
Buildings 24,997      
Total 28,201      
Accumulated Depreciation $ 1,519      
Life on which Depreciation in Latest Statement of Income is Computed 32 years      
Industrial facility in Guelph, Canada | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 4,472      
Initial Cost to Company        
Land 2,151      
Buildings 1,750      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (760)      
Gross Amount at which Carried at Close of Period        
Land 1,732      
Buildings 1,409      
Total 3,141      
Accumulated Depreciation $ 83      
Life on which Depreciation in Latest Statement of Income is Computed 34 years      
Industrial facilities in Shah Alam, Malaysia | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 5,021      
Initial Cost to Company        
Land 0      
Buildings 10,429      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (2,340)      
Gross Amount at which Carried at Close of Period        
Land 0      
Buildings 8,089      
Total 8,089      
Accumulated Depreciation $ 519      
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Warehouse facilities in Lam Luk Ka and Bang Pa-in, Thailand | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 10,751      
Initial Cost to Company        
Land 13,054      
Buildings 19,497      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (2,723)      
Gross Amount at which Carried at Close of Period        
Land 11,962      
Buildings 17,866      
Total 29,828      
Accumulated Depreciation $ 1,098      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Warehouse facilities in Valdosta, GA and Johnson City, TN | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 8,444      
Initial Cost to Company        
Land 1,080      
Buildings 14,998      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,080      
Buildings 14,998      
Total 16,078      
Accumulated Depreciation $ 1,079      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Industrial facility in Amherst, NY | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 8,227      
Initial Cost to Company        
Land 674      
Buildings 7,971      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 674      
Buildings 7,971      
Total 8,645      
Accumulated Depreciation $ 680      
Life on which Depreciation in Latest Statement of Income is Computed 23 years      
Industrial and warehouse facilities in Westfield, MA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,922      
Buildings 9,755      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 9      
Gross Amount at which Carried at Close of Period        
Land 1,922      
Buildings 9,764      
Total 11,686      
Accumulated Depreciation $ 682      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Warehouse facilities in Kottka, Finland | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 0      
Buildings 8,546      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,711)      
Gross Amount at which Carried at Close of Period        
Land 0      
Buildings 6,835      
Total 6,835      
Accumulated Depreciation $ 599      
Warehouse facilities in Kottka, Finland | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 21 years      
Warehouse facilities in Kottka, Finland | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 23 years      
Office facility in Bloomington, MN | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 2,942      
Buildings 7,155      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,942      
Buildings 7,155      
Total 10,097      
Accumulated Depreciation $ 483      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Warehouse facility in Gorinchem, Netherlands | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 3,816      
Initial Cost to Company        
Land 1,143      
Buildings 5,648      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,360)      
Gross Amount at which Carried at Close of Period        
Land 914      
Buildings 4,517      
Total 5,431      
Accumulated Depreciation $ 305      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Retail facility in Cresskill, NJ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 6,138      
Initial Cost to Company        
Land 2,366      
Buildings 5,482      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 19      
Gross Amount at which Carried at Close of Period        
Land 2,366      
Buildings 5,501      
Total 7,867      
Accumulated Depreciation $ 338      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Retail facility in Livingston, NJ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 5,309      
Initial Cost to Company        
Land 2,932      
Buildings 2,001      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 14      
Gross Amount at which Carried at Close of Period        
Land 2,932      
Buildings 2,015      
Total 4,947      
Accumulated Depreciation $ 142      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Retail facility in Maplewood, NJ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 1,662      
Initial Cost to Company        
Land 845      
Buildings 647      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 4      
Gross Amount at which Carried at Close of Period        
Land 845      
Buildings 651      
Total 1,496      
Accumulated Depreciation $ 46      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Retail facility in Montclair, NJ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 4,445      
Initial Cost to Company        
Land 1,905      
Buildings 1,403      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 6      
Gross Amount at which Carried at Close of Period        
Land 1,905      
Buildings 1,409      
Total 3,314      
Accumulated Depreciation $ 99      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Retail facility in Morristown, NJ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 10,815      
Initial Cost to Company        
Land 3,258      
Buildings 8,352      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 26      
Gross Amount at which Carried at Close of Period        
Land 3,258      
Buildings 8,378      
Total 11,636      
Accumulated Depreciation $ 590      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Retail facility in Summit, NJ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 2,695      
Initial Cost to Company        
Land 1,228      
Buildings 1,465      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 8      
Gross Amount at which Carried at Close of Period        
Land 1,228      
Buildings 1,473      
Total 2,701      
Accumulated Depreciation $ 104      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Industrial and office facilities in Bunde, Dransfeld, and Wolfach, Germany | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 2,789      
Buildings 8,750      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (2,269)      
Gross Amount at which Carried at Close of Period        
Land 2,231      
Buildings 7,039      
Total 9,270      
Accumulated Depreciation $ 553      
Life on which Depreciation in Latest Statement of Income is Computed 24 years      
Industrial facilities in Georgetown, TX and Woodland, WA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 3,099      
Initial Cost to Company        
Land 965      
Buildings 4,113      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 965      
Buildings 4,113      
Total 5,078      
Accumulated Depreciation $ 233      
Industrial facilities in Georgetown, TX and Woodland, WA | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 33 years      
Industrial facilities in Georgetown, TX and Woodland, WA | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 35 years      
Learning centers in Union, NJ; Allentown and Philadelphia, PA; and Grand Prairie, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 5,365      
Buildings 7,845      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 5      
Gross Amount at which Carried at Close of Period        
Land 5,365      
Buildings 7,850      
Total 13,215      
Accumulated Depreciation $ 540      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Industrial facility in Ylämylly, Finland | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 7,066      
Initial Cost to Company        
Land 1,669      
Buildings 6,034      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,542)      
Gross Amount at which Carried at Close of Period        
Land 1,335      
Buildings 4,826      
Total 6,161      
Accumulated Depreciation $ 271      
Life on which Depreciation in Latest Statement of Income is Computed 34 years      
Industrial facility in Salisbury, NC | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 6,398      
Initial Cost to Company        
Land 1,499      
Buildings 8,185      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,499      
Buildings 8,185      
Total 9,684      
Accumulated Depreciation $ 564      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Industrial and office facilities in Plymouth, MI and Solon and Twinsburg, OH | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 3,763      
Initial Cost to Company        
Land 2,831      
Buildings 10,565      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,831      
Buildings 10,565      
Total 13,396      
Accumulated Depreciation $ 744      
Industrial and office facilities in Plymouth, MI and Solon and Twinsburg, OH | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 26 years      
Industrial and office facilities in Plymouth, MI and Solon and Twinsburg, OH | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Industrial facility in Cambridge, Canada | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,849      
Buildings 7,371      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,796)      
Gross Amount at which Carried at Close of Period        
Land 1,489      
Buildings 5,935      
Total 7,424      
Accumulated Depreciation $ 364      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facilities in Peru, IL; Huber Heights, Lima, and Sheffield, OH; and Lebanon, TN | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 12,252      
Initial Cost to Company        
Land 2,962      
Buildings 17,832      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,962      
Buildings 17,832      
Total 20,794      
Accumulated Depreciation $ 1,092      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facility in Ramos Arizpe, Mexico | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,059      
Buildings 2,886      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,059      
Buildings 2,886      
Total 3,945      
Accumulated Depreciation $ 176      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facilities in Salt Lake City, UT | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 4,863      
Initial Cost to Company        
Land 2,783      
Buildings 3,773      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,783      
Buildings 3,773      
Total 6,556      
Accumulated Depreciation $ 231      
Industrial facilities in Salt Lake City, UT | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facilities in Salt Lake City, UT | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 33 years      
Residential facility in Blairsville, PA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 12,143      
Initial Cost to Company        
Land 1,631      
Buildings 23,163      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,631      
Buildings 23,163      
Total 24,794      
Accumulated Depreciation $ 2,384      
Life on which Depreciation in Latest Statement of Income is Computed 33 years      
Industrial facility in Nashville, TN | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,078      
Buildings 5,619      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,078      
Buildings 5,619      
Total 6,697      
Accumulated Depreciation $ 504      
Life on which Depreciation in Latest Statement of Income is Computed 21 years      
Office facility in Lafayette, LA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 1,748      
Initial Cost to Company        
Land 1,048      
Buildings 1,507      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,048      
Buildings 1,507      
Total 2,555      
Accumulated Depreciation $ 106      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Warehouse facilities in Atlanta, Doraville, and Rockmart, GA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 54,099      
Initial Cost to Company        
Land 6,488      
Buildings 77,192      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 6,488      
Buildings 77,192      
Total 83,680      
Accumulated Depreciation $ 5,178      
Warehouse facilities in Atlanta, Doraville, and Rockmart, GA | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 23 years      
Warehouse facilities in Atlanta, Doraville, and Rockmart, GA | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 33 years      
Warehouse facilities in Flora, MS and Muskogee, OK | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 3,410      
Initial Cost to Company        
Land 554      
Buildings 4,353      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 554      
Buildings 4,353      
Total 4,907      
Accumulated Depreciation $ 254      
Life on which Depreciation in Latest Statement of Income is Computed 33 years      
Industrial facility in Richmond, MO | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 4,842      
Initial Cost to Company        
Land 2,211      
Buildings 8,505      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,211      
Buildings 8,505      
Total 10,716      
Accumulated Depreciation $ 590      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Warehouse facility in Dallas, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 6,066      
Initial Cost to Company        
Land 468      
Buildings 8,042      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 468      
Buildings 8,042      
Total 8,510      
Accumulated Depreciation $ 652      
Life on which Depreciation in Latest Statement of Income is Computed 24 years      
Industrial facility in Tuusula, Finland | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 6,173      
Buildings 10,321      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (3,302)      
Gross Amount at which Carried at Close of Period        
Land 4,937      
Buildings 8,255      
Total 13,192      
Accumulated Depreciation $ 619      
Life on which Depreciation in Latest Statement of Income is Computed 26 years      
Office facility in Turku, Finland | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 23,852      
Initial Cost to Company        
Land 5,343      
Buildings 34,106      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (7,898)      
Gross Amount at which Carried at Close of Period        
Land 4,273      
Buildings 27,278      
Total 31,551      
Accumulated Depreciation $ 1,875      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Industrial facility in Turku, Finland | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 4,412      
Initial Cost to Company        
Land 1,105      
Buildings 10,243      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (2,257)      
Gross Amount at which Carried at Close of Period        
Land 884      
Buildings 8,207      
Total 9,091      
Accumulated Depreciation $ 566      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Industrial facility in Baraboo, WI | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 917      
Buildings 10,663      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 917      
Buildings 10,663      
Total 11,580      
Accumulated Depreciation $ 1,558      
Life on which Depreciation in Latest Statement of Income is Computed 13 years      
Warehouse facility in Phoenix, AZ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 18,972      
Initial Cost to Company        
Land 6,747      
Buildings 21,352      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 6,747      
Buildings 21,352      
Total 28,099      
Accumulated Depreciation $ 1,472      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Land in Calgary, Canada | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 3,721      
Buildings 0      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (725)      
Gross Amount at which Carried at Close of Period        
Land 2,996      
Buildings 0      
Total 2,996      
Accumulated Depreciation 0      
Industrial facilities in Sandersville, GA; Erwin, TN; and Gainesville, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 2,398      
Initial Cost to Company        
Land 955      
Buildings 4,779      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 955      
Buildings 4,779      
Total 5,734      
Accumulated Depreciation $ 295      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facility in Buffalo Grove, IL | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 7,322      
Initial Cost to Company        
Land 1,492      
Buildings 12,233      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,492      
Buildings 12,233      
Total 13,725      
Accumulated Depreciation $ 757      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Warehouse facility in Spanish Fork, UT | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 7,055      
Initial Cost to Company        
Land 991      
Buildings 7,901      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 991      
Buildings 7,901      
Total 8,892      
Accumulated Depreciation $ 463      
Life on which Depreciation in Latest Statement of Income is Computed 33 years      
Industrial, office, and warehouse facilities in Perris, CA; Eugene, OR; West Jordan, UT; and Tacoma, WA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 8,989      
Buildings 5,435      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 8      
Gross Amount at which Carried at Close of Period        
Land 8,989      
Buildings 5,443      
Total 14,432      
Accumulated Depreciation $ 371      
Life on which Depreciation in Latest Statement of Income is Computed 28 years      
Office facility in Carlsbad, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 3,230      
Buildings 5,492      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,230      
Buildings 5,492      
Total 8,722      
Accumulated Depreciation $ 445      
Life on which Depreciation in Latest Statement of Income is Computed 24 years      
Land in Pensacola, FL | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 1,026      
Initial Cost to Company        
Land 1,746      
Buildings 0      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,746      
Buildings 0      
Total 1,746      
Accumulated Depreciation 0      
Movie theater in Port St. Lucie, FL | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 5,393      
Initial Cost to Company        
Land 4,654      
Buildings 2,576      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 4,654      
Buildings 2,576      
Total 7,230      
Accumulated Depreciation $ 180      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Movie theater in Hickory Creek, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 1,693      
Buildings 3,342      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,693      
Buildings 3,342      
Total 5,035      
Accumulated Depreciation $ 239      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Industrial facility in Nurieux-Volognat, France | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 121      
Buildings 5,328      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (994)      
Gross Amount at which Carried at Close of Period        
Land 96      
Buildings 4,359      
Total 4,455      
Accumulated Depreciation $ 258      
Life on which Depreciation in Latest Statement of Income is Computed 32 years      
Warehouse facility in Suwanee, GA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 15,278      
Initial Cost to Company        
Land 2,330      
Buildings 8,406      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,330      
Buildings 8,406      
Total 10,736      
Accumulated Depreciation $ 476      
Life on which Depreciation in Latest Statement of Income is Computed 34 years      
Retail facilities in Wichita, KS and Oklahoma City, OK and warehouse facility in Wichita, KS | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 7,336      
Initial Cost to Company        
Land 1,878      
Buildings 8,579      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,878      
Buildings 8,579      
Total 10,457      
Accumulated Depreciation $ 701      
Life on which Depreciation in Latest Statement of Income is Computed 24 years      
Industrial facilities in Fort Dodge, IN and Menomonie and Oconomowoc, WI | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 8,649      
Initial Cost to Company        
Land 1,403      
Buildings 11,098      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,403      
Buildings 11,098      
Total 12,501      
Accumulated Depreciation $ 1,306      
Life on which Depreciation in Latest Statement of Income is Computed 16 years      
Industrial facility in Mesa, AZ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 4,768      
Initial Cost to Company        
Land 2,888      
Buildings 4,282      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,888      
Buildings 4,282      
Total 7,170      
Accumulated Depreciation $ 301      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Industrial facility in North Amityville, NY | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 7,735      
Initial Cost to Company        
Land 3,486      
Buildings 11,413      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,486      
Buildings 11,413      
Total 14,899      
Accumulated Depreciation $ 840      
Life on which Depreciation in Latest Statement of Income is Computed 26 years      
Warehouse facilities in Greenville, SC | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 567      
Buildings 10,217      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 15      
Gross Amount at which Carried at Close of Period        
Land 567      
Buildings 10,232      
Total 10,799      
Accumulated Depreciation $ 950      
Life on which Depreciation in Latest Statement of Income is Computed 21 years      
Industrial facility in Fort Collins, CO | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 7,532      
Initial Cost to Company        
Land 821      
Buildings 7,236      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 821      
Buildings 7,236      
Total 8,057      
Accumulated Depreciation $ 422      
Life on which Depreciation in Latest Statement of Income is Computed 33 years      
Office facility in Piscataway, NJ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 4,984      
Buildings 34,165      
Cost Capitalized Subsequent to Acquisition 31,616      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 4,984      
Buildings 65,781      
Total 70,765      
Accumulated Depreciation $ 3,004      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Land in Elk Grove Village, IL | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 1,711      
Initial Cost to Company        
Land 4,037      
Buildings 0      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 4,037      
Buildings 0      
Total 4,037      
Accumulated Depreciation 0      
Office facilities in Washington, MI | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 26,757      
Initial Cost to Company        
Land 4,085      
Buildings 7,496      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 4,085      
Buildings 7,496      
Total 11,581      
Accumulated Depreciation $ 438      
Life on which Depreciation in Latest Statement of Income is Computed 33 years      
Office facility in Houston, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 522      
Buildings 7,448      
Cost Capitalized Subsequent to Acquisition 227      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 522      
Buildings 7,675      
Total 8,197      
Accumulated Depreciation $ 542      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Industrial facilities in Conroe, Houston, Odessa, and Weimar, TX and office facility in Houston, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 6,623      
Initial Cost to Company        
Land 4,049      
Buildings 13,021      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 133      
Gross Amount at which Carried at Close of Period        
Land 4,049      
Buildings 13,154      
Total 17,203      
Accumulated Depreciation $ 1,347      
Industrial facilities in Conroe, Houston, Odessa, and Weimar, TX and office facility in Houston, TX | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 12 years      
Industrial facilities in Conroe, Houston, Odessa, and Weimar, TX and office facility in Houston, TX | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 22 years      
Learning center in Sacramento, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 27,284      
Initial Cost to Company        
Land 0      
Buildings 13,715      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 0      
Buildings 13,715      
Total 13,715      
Accumulated Depreciation $ 786      
Life on which Depreciation in Latest Statement of Income is Computed 34 years      
Industrial facilities in City of Industry, CA; Chelmsford, MA; and Lancaster, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 5,138      
Buildings 8,387      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 43      
Gross Amount at which Carried at Close of Period        
Land 5,138      
Buildings 8,430      
Total 13,568      
Accumulated Depreciation $ 582      
Life on which Depreciation in Latest Statement of Income is Computed 27 years      
Office facility in Tinton Falls, NJ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 6,869      
Initial Cost to Company        
Land 1,958      
Buildings 7,993      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,958      
Buildings 7,993      
Total 9,951      
Accumulated Depreciation $ 500      
Life on which Depreciation in Latest Statement of Income is Computed 31 years      
Industrial facility in Woodland, WA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 707      
Buildings 1,562      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 707      
Buildings 1,562      
Total 2,269      
Accumulated Depreciation $ 85      
Life on which Depreciation in Latest Statement of Income is Computed 35 years      
Warehouse facilities in Gyál and Herceghalom, Hungary | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 33,523      
Initial Cost to Company        
Land 14,601      
Buildings 21,915      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (7,310)      
Gross Amount at which Carried at Close of Period        
Land 11,678      
Buildings 17,528      
Total 29,206      
Accumulated Depreciation $ 1,642      
Life on which Depreciation in Latest Statement of Income is Computed 21 years      
Industrial facility in Windsor, CT | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 453      
Buildings 637      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 453      
Buildings 637      
Total 1,090      
Accumulated Depreciation $ 37      
Life on which Depreciation in Latest Statement of Income is Computed 33 years      
Industrial facility in Aurora, CO | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 2,823      
Initial Cost to Company        
Land 574      
Buildings 3,999      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 574      
Buildings 3,999      
Total 4,573      
Accumulated Depreciation $ 195      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Chandler, AZ | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 5,318      
Buildings 27,551      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 5,318      
Buildings 27,551      
Total 32,869      
Accumulated Depreciation $ 1,400      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Warehouse facility in University Park, IL | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 7,962      
Buildings 32,756      
Cost Capitalized Subsequent to Acquisition 221      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 7,962      
Buildings 32,977      
Total 40,939      
Accumulated Depreciation $ 1,544      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Stavanger, Norway | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 10,296      
Buildings 91,744      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (30,185)      
Gross Amount at which Carried at Close of Period        
Land 7,320      
Buildings 64,535      
Total 71,855      
Accumulated Depreciation $ 2,336      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Westborough, MA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 3,409      
Buildings 37,914      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,409      
Buildings 37,914      
Total 41,323      
Accumulated Depreciation $ 1,416      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Andover, MA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 3,980      
Buildings 45,120      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,980      
Buildings 45,120      
Total 49,100      
Accumulated Depreciation $ 1,481      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Newport, United Kingdom | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 0      
Buildings 22,587      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,751)      
Gross Amount at which Carried at Close of Period        
Land 0      
Buildings 20,836      
Total 20,836      
Accumulated Depreciation $ 656      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Industrial facilities located throughout Australia | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 30,455      
Buildings 94,724      
Cost Capitalized Subsequent to Acquisition 53      
Increase (Decrease) in Net Investments (20,810)      
Gross Amount at which Carried at Close of Period        
Land 25,272      
Buildings 79,150      
Total 104,422      
Accumulated Depreciation 6,110      
Industrial facility in Lewisburg, OH | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 1,627      
Buildings 13,721      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 1,627      
Buildings 13,721      
Total 15,348      
Accumulated Depreciation $ 448      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Industrial facility in Opole, Poland | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 2,151      
Buildings 21,438      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (2,934)      
Gross Amount at which Carried at Close of Period        
Land 1,884      
Buildings 18,771      
Total 20,655      
Accumulated Depreciation $ 579      
Life on which Depreciation in Latest Statement of Income is Computed 38 years      
Office facilities located throughout Spain | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 51,778      
Buildings 257,624      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (33,636)      
Gross Amount at which Carried at Close of Period        
Land 48,938      
Buildings 226,828      
Total 275,766      
Accumulated Depreciation 6,102      
Retail facilities located throughout the United Kingdom | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 66,319      
Buildings 230,113      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (6,623)      
Gross Amount at which Carried at Close of Period        
Land 64,837      
Buildings 224,972      
Total 289,809      
Accumulated Depreciation $ 6,914      
Retail facilities located throughout the United Kingdom | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 20 years      
Retail facilities located throughout the United Kingdom | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Warehouse facility in Rotterdam, Netherlands | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 0      
Buildings 33,935      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,383)      
Gross Amount at which Carried at Close of Period        
Land 0      
Buildings 32,552      
Total 32,552      
Accumulated Depreciation $ 774      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Retail facility in Bad Fischau, Austria | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 2,855      
Buildings 18,829      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 224      
Gross Amount at which Carried at Close of Period        
Land 2,884      
Buildings 19,024      
Total 21,908      
Accumulated Depreciation $ 453      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Industrial facility in Oskarshamn, Sweden | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 3,090      
Buildings 18,262      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (453)      
Gross Amount at which Carried at Close of Period        
Land 3,025      
Buildings 17,874      
Total 20,899      
Accumulated Depreciation $ 266      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Sunderland, United Kingdom | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 2,912      
Buildings 30,140      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,591)      
Gross Amount at which Carried at Close of Period        
Land 2,771      
Buildings 28,690      
Total 31,461      
Accumulated Depreciation $ 337      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Industrial facilities in Gersthofen and Senden, Germany and Leopoldsdorf, Austria | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 9,449      
Buildings 15,838      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (557)      
Gross Amount at which Carried at Close of Period        
Land 9,241      
Buildings 15,489      
Total 24,730      
Accumulated Depreciation $ 204      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Hotels in Clive, IA; Baton Rouge, LA; St. Louis, MO; Greensboro, NC; Mount Laurel, NJ; and Fort Worth, TX | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 0      
Buildings 49,190      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 0      
Buildings 49,190      
Total 49,190      
Accumulated Depreciation $ 310      
Hotels in Clive, IA; Baton Rouge, LA; St. Louis, MO; Greensboro, NC; Mount Laurel, NJ; and Fort Worth, TX | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 38 years      
Hotels in Clive, IA; Baton Rouge, LA; St. Louis, MO; Greensboro, NC; Mount Laurel, NJ; and Fort Worth, TX | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Retail facilities located in Almere, Amsterdam, Eindhoven, Houten, Nieuwegein, Utrecht, Veghel, and Zwaag, Netherlands | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 5,698      
Buildings 38,130      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 597      
Gross Amount at which Carried at Close of Period        
Land 5,775      
Buildings 38,650      
Total 44,425      
Accumulated Depreciation $ 167      
Retail facilities located in Almere, Amsterdam, Eindhoven, Houten, Nieuwegein, Utrecht, Veghel, and Zwaag, Netherlands | Real Estate Subject To Operating Lease | Minimum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 30 years      
Retail facilities located in Almere, Amsterdam, Eindhoven, Houten, Nieuwegein, Utrecht, Veghel, and Zwaag, Netherlands | Real Estate Subject To Operating Lease | Maximum        
Gross Amount at which Carried at Close of Period        
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Office facility in Irvine, CA | Real Estate Subject To Operating Lease        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 7,626      
Buildings 16,137      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 7,626      
Buildings 16,137      
Total 23,763      
Accumulated Depreciation $ 12      
Life on which Depreciation in Latest Statement of Income is Computed 40 years      
Retail facilities in several cities in the following states: Alabama, Florida, Georgia, Illinois, Louisiana, Missouri, North Carolina, and Texas | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 0      
Buildings 16,416      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (4,164)      
Gross Amount at which Carried at Close of Period        
Total 12,252      
Industrial facilities in Glendora, CA and Romulus, MI | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 454      
Buildings 13,251      
Cost Capitalized Subsequent to Acquisition 9      
Increase (Decrease) in Net Investments (3,477)      
Gross Amount at which Carried at Close of Period        
Total 10,237      
Industrial facilities in Irving and Houston, TX | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 0      
Buildings 27,599      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (3,952)      
Gross Amount at which Carried at Close of Period        
Total 23,647      
Retail facility in Freehold, NJ | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 8,088      
Initial Cost to Company        
Land 0      
Buildings 17,067      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (108)      
Gross Amount at which Carried at Close of Period        
Total 16,959      
Office facilities in Corpus Christi, Odessa, San Marcos, and Waco, TX | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 4,277      
Initial Cost to Company        
Land 2,089      
Buildings 14,211      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (329)      
Gross Amount at which Carried at Close of Period        
Total 15,971      
Retail facilities in Osnabruck, Borken, Bunde, Arnstadt, Dorsten, Duisburg, Freiberg, Leimbach-Kaiserro, Monheim, Oberhausen, Rodewisch, Sankt Augustin, Schmalkalden, Stendal, Wuppertal, and Monheim, Germany | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 28,734      
Buildings 145,854      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (27,070)      
Gross Amount at which Carried at Close of Period        
Total 147,518      
Warehouse facility in Brierley Hill, United Kingdom | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 2,147      
Buildings 12,357      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (574)      
Gross Amount at which Carried at Close of Period        
Total 13,930      
Warehouse and industrial facilities in Mesquite, TX | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 6,337      
Initial Cost to Company        
Land 2,851      
Buildings 15,899      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,254)      
Gross Amount at which Carried at Close of Period        
Total 17,496      
Industrial facility in Rochester, MN | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 4,074      
Initial Cost to Company        
Land 881      
Buildings 17,039      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,520)      
Gross Amount at which Carried at Close of Period        
Total 16,400      
Office facility in Irvine, CA | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 6,428      
Initial Cost to Company        
Land 0      
Buildings 17,027      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (522)      
Gross Amount at which Carried at Close of Period        
Total 16,505      
Industrial facility in Brownwood, TX | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 722      
Buildings 6,268      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1)      
Gross Amount at which Carried at Close of Period        
Total 6,989      
Office facility in Scottsdale, AZ | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 20,559      
Initial Cost to Company        
Land 0      
Buildings 43,570      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (315)      
Gross Amount at which Carried at Close of Period        
Total 43,255      
Retail facilities in El Paso, Fabens, and Socorro, TX | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 12,170      
Initial Cost to Company        
Land 4,777      
Buildings 17,823      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (6)      
Gross Amount at which Carried at Close of Period        
Total 22,594      
Industrial facility in Dallas, TX | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 3,190      
Buildings 10,010      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Total 13,200      
Industrial facility in Eagan, MN | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 7,111      
Initial Cost to Company        
Land 0      
Buildings 11,548      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (77)      
Gross Amount at which Carried at Close of Period        
Total 11,471      
Industrial facilities in Albemarle and Old Fort, NC; Holmesville, OH; and Springfield, TN | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 8,982      
Initial Cost to Company        
Land 6,542      
Buildings 20,668      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,185)      
Gross Amount at which Carried at Close of Period        
Total 26,025      
Movie theater in Midlothian, VA | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 8,244      
Initial Cost to Company        
Land 0      
Buildings 16,546      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 201      
Gross Amount at which Carried at Close of Period        
Total 16,747      
Industrial facilities located throughout France | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 14,036      
Initial Cost to Company        
Land 0      
Buildings 27,270      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (4,752)      
Gross Amount at which Carried at Close of Period        
Total 22,518      
Retail facility in Gronau, Germany | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 5,674      
Initial Cost to Company        
Land 281      
Buildings 4,401      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (937)      
Gross Amount at which Carried at Close of Period        
Total 3,745      
Industrial and office facilities in Marktheidenfeld, Germany | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 1,629      
Buildings 22,396      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (5,310)      
Gross Amount at which Carried at Close of Period        
Total 18,715      
Industrial and warehouse facilities in Newbridge, United Kingdom | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 11,952      
Initial Cost to Company        
Land 6,851      
Buildings 22,868      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (3,467)      
Gross Amount at which Carried at Close of Period        
Total 26,252      
Learning center in Mooresville, NC | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 3,759      
Initial Cost to Company        
Land 1,795      
Buildings 15,955      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 2      
Gross Amount at which Carried at Close of Period        
Total 17,752      
Industrial facility in Mount Carmel, IL | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 135      
Buildings 3,265      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1)      
Gross Amount at which Carried at Close of Period        
Total 3,399      
Industrial, office, and warehouse facilities in Bad Hersfeld, Germany | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 19,257      
Initial Cost to Company        
Land 15,287      
Buildings 29,292      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (8,920)      
Gross Amount at which Carried at Close of Period        
Total 35,659      
Retail facility in Vantaa, Finland | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 5,291      
Buildings 15,522      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (4,166)      
Gross Amount at which Carried at Close of Period        
Total 16,647      
Retail facility in Linkoping, Sweden | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 1,484      
Buildings 9,402      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (2,508)      
Gross Amount at which Carried at Close of Period        
Total 8,378      
Industrial facility in Calgary, Canada | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 0      
Buildings 7,076      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (1,375)      
Gross Amount at which Carried at Close of Period        
Total 5,701      
Industrial facilities in Kearney, MO; Fair Bluff, NC; York, NE; Walbridge, OH; Middlesex Township, PA; Rocky Mount, VA; and Martinsburg, WV | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 10,791      
Initial Cost to Company        
Land 5,780      
Buildings 40,860      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (98)      
Gross Amount at which Carried at Close of Period        
Total 46,542      
Industrial and office facilities in Leeds, United Kingdom | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 2,712      
Buildings 16,501      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (10,262)      
Gross Amount at which Carried at Close of Period        
Total 8,951      
Movie theater in Pensacola, FL | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 7,397      
Initial Cost to Company        
Land 0      
Buildings 13,034      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (442)      
Gross Amount at which Carried at Close of Period        
Total 12,592      
Industrial facility in Monheim, Germany | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 2,939      
Buildings 7,379      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (2,130)      
Gross Amount at which Carried at Close of Period        
Total 8,188      
Industrial facility in Göppingen, Germany | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 10,717      
Buildings 60,120      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (14,787)      
Gross Amount at which Carried at Close of Period        
Total 56,050      
Warehouse facility in Elk Grove Village, IL | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 3,334      
Initial Cost to Company        
Land 0      
Buildings 7,863      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments 1      
Gross Amount at which Carried at Close of Period        
Total 7,864      
Industrial facility in Sankt Ingbert, Germany | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 2,786      
Buildings 26,902      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (6,190)      
Gross Amount at which Carried at Close of Period        
Total 23,498      
Industrial facility in New South Wales, Australia | Direct Financing Method        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 0      
Initial Cost to Company        
Land 283      
Buildings 2,978      
Cost Capitalized Subsequent to Acquisition 0      
Increase (Decrease) in Net Investments (555)      
Gross Amount at which Carried at Close of Period        
Total 2,706      
Hotel in Bloomington, MN | Operating Real Estate        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances 18,798      
Initial Cost to Company        
Land 3,810      
Buildings 29,126      
Cost Capitalized Subsequent to Acquisition 531      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 3,874      
Buildings 29,237      
Total 37,089      
Accumulated Depreciation 3,226      
Real Estate And Accumulated Depreciation Initial Cost Of Personal Property 3,622      
Real Estate And Accumulated Depreciation Carrying Amount Of Personal Property $ 3,978      
Life on which Depreciation in Latest Statement of Income is Computed 34 years      
Hotel in Memphis, TN | Operating Real Estate        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 27,183      
Initial Cost to Company        
Land 2,120      
Buildings 36,594      
Cost Capitalized Subsequent to Acquisition 111      
Increase (Decrease) in Net Investments 0      
Gross Amount at which Carried at Close of Period        
Land 2,167      
Buildings 36,670      
Total 42,472      
Accumulated Depreciation 4,687      
Real Estate And Accumulated Depreciation Initial Cost Of Personal Property 3,647      
Real Estate And Accumulated Depreciation Carrying Amount Of Personal Property $ 3,635      
Life on which Depreciation in Latest Statement of Income is Computed 22 years      
Storage facility in Taunton, MA | Operating Real Estate        
SEC Schedule III, Real Estate and Accumulated Depreciation        
Encumbrances $ 0      
Initial Cost to Company        
Land 4,300      
Buildings 12,274      
Cost Capitalized Subsequent to Acquisition 303      
Increase (Decrease) in Net Investments (13,689)      
Gross Amount at which Carried at Close of Period        
Land 537      
Buildings 2,651      
Total 3,188      
Accumulated Depreciation 881      
Real Estate And Accumulated Depreciation Initial Cost Of Personal Property 0      
Real Estate And Accumulated Depreciation Carrying Amount Of Personal Property $ 0      
Life on which Depreciation in Latest Statement of Income is Computed 25 years