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Schedule III - Real Estate and Accumulated Depreciation and Amortization - (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
Property
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 3,223      
Encumbrances $ 10,611      
Initial Cost to Company, Land 2,537,766      
Initial Cost to Company, Building, Improvements & Leasehold Interests 5,134,603      
Costs Capitalized Subsequent to Acquisition, Improvements 1,278,087      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 2,531,894      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 6,385,692      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 8,917,586 $ 8,534,275 $ 8,448,702 $ 7,883,633
Accumulated Depreciation and Amortization $ 1,471,393 $ 1,319,943 $ 1,151,667 $ 1,016,271
ALABAMA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 151      
Encumbrances $ 0      
Initial Cost to Company, Land 71,938      
Initial Cost to Company, Building, Improvements & Leasehold Interests 167,623      
Costs Capitalized Subsequent to Acquisition, Improvements 39,580      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 71,652      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 207,202      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 278,854      
Accumulated Depreciation and Amortization $ 44,755      
Start Year of Construction 1948      
End Year of Construction 2020      
Acquired of Beginning Year 2001      
Acquired of Ending Year 2021      
ALABAMA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 10 years      
ALABAMA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
ALASKA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 5      
Encumbrances $ 0      
Initial Cost to Company, Land 1,943      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,694      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,943      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,694      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 5,637      
Accumulated Depreciation and Amortization $ 1,714      
Start Year of Construction 1971      
End Year of Construction 2003      
Acquired of Beginning Year 1996      
Acquired of Ending Year 2014      
ALASKA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
ALASKA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
ARIZONA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 60      
Encumbrances $ 4,388      
Initial Cost to Company, Land 70,516      
Initial Cost to Company, Building, Improvements & Leasehold Interests 92,020      
Costs Capitalized Subsequent to Acquisition, Improvements 62,853      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 70,516      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 154,873      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 225,389      
Accumulated Depreciation and Amortization $ 35,303      
Start Year of Construction 1974      
End Year of Construction 2018      
Acquired of Beginning Year 1998      
Acquired of Ending Year 2021      
ARIZONA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 10 years      
ARIZONA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
ARKANSAS        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 66      
Encumbrances $ 0      
Initial Cost to Company, Land 29,598      
Initial Cost to Company, Building, Improvements & Leasehold Interests 85,825      
Costs Capitalized Subsequent to Acquisition, Improvements 16,927      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 29,598      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 102,752      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 132,350      
Accumulated Depreciation and Amortization $ 13,900      
Start Year of Construction 1969      
End Year of Construction 2020      
Acquired of Beginning Year 1998      
Acquired of Ending Year 2021      
ARKANSAS | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
ARKANSAS | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
CALIFORNIA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 65      
Encumbrances $ 0      
Initial Cost to Company, Land 131,057      
Initial Cost to Company, Building, Improvements & Leasehold Interests 188,503      
Costs Capitalized Subsequent to Acquisition, Improvements 35,459      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 129,100      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 215,617      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 344,717      
Accumulated Depreciation and Amortization $ 50,603      
Start Year of Construction 1945      
End Year of Construction 2018      
Acquired of Beginning Year 1997      
Acquired of Ending Year 2021      
CALIFORNIA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
CALIFORNIA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
COLORADO        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 34      
Encumbrances $ 2,432      
Initial Cost to Company, Land 54,569      
Initial Cost to Company, Building, Improvements & Leasehold Interests 71,764      
Costs Capitalized Subsequent to Acquisition, Improvements 21,909      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 54,569      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 93,673      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 148,242      
Accumulated Depreciation and Amortization $ 25,089      
Start Year of Construction 1969      
End Year of Construction 2017      
Acquired of Beginning Year 1994      
Acquired of Ending Year 2021      
COLORADO | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
COLORADO | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
CONNECTICUT        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 9      
Encumbrances $ 0      
Initial Cost to Company, Land 8,250      
Initial Cost to Company, Building, Improvements & Leasehold Interests 31,067      
Costs Capitalized Subsequent to Acquisition, Improvements 601      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 8,250      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 31,668      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 39,918      
Accumulated Depreciation and Amortization $ 8,950      
Start Year of Construction 1929      
End Year of Construction 1996      
Acquired of Beginning Year 2006      
Acquired of Ending Year 2019      
CONNECTICUT | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
CONNECTICUT | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
DELAWARE        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 1      
Encumbrances $ 0      
Initial Cost to Company, Land 2,994      
Initial Cost to Company, Building, Improvements & Leasehold Interests 6,062      
Costs Capitalized Subsequent to Acquisition, Improvements 71      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 2,994      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 6,133      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 9,127      
Accumulated Depreciation and Amortization $ 4,120      
Start Year of Construction 1994      
End Year of Construction 1994      
Acquired of Beginning Year 1994      
Acquired of Ending Year 1994      
DELAWARE | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
DELAWARE | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
DISTRICT OF COLUMBIA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 1      
Encumbrances $ 0      
Initial Cost to Company, Land 624      
Initial Cost to Company, Building, Improvements & Leasehold Interests 578      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 624      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 578      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,202      
Accumulated Depreciation and Amortization $ 243      
Start Year of Construction 1983      
End Year of Construction 1983      
Acquired of Beginning Year 2005      
Acquired of Ending Year 2005      
DISTRICT OF COLUMBIA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
DISTRICT OF COLUMBIA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
FLORIDA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 229      
Encumbrances $ 0      
Initial Cost to Company, Land 247,539      
Initial Cost to Company, Building, Improvements & Leasehold Interests 336,470      
Costs Capitalized Subsequent to Acquisition, Improvements 147,571      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 247,539      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 484,041      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 731,580      
Accumulated Depreciation and Amortization $ 107,618      
Start Year of Construction 1959      
End Year of Construction 2020      
Acquired of Beginning Year 1985      
Acquired of Ending Year 2021      
FLORIDA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 5 years      
FLORIDA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
GEORGIA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 153      
Encumbrances $ 0      
Initial Cost to Company, Land 121,847      
Initial Cost to Company, Building, Improvements & Leasehold Interests 231,162      
Costs Capitalized Subsequent to Acquisition, Improvements 62,984      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 121,847      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 294,146      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 415,993      
Accumulated Depreciation and Amortization $ 66,871      
Start Year of Construction 1967      
End Year of Construction 2020      
Acquired of Beginning Year 1996      
Acquired of Ending Year 2021      
GEORGIA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 10 years      
GEORGIA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
IDAHO        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 9      
Encumbrances $ 0      
Initial Cost to Company, Land 6,999      
Initial Cost to Company, Building, Improvements & Leasehold Interests 6,719      
Costs Capitalized Subsequent to Acquisition, Improvements 8,331      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 6,999      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 15,050      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 22,049      
Accumulated Depreciation and Amortization $ 4,325      
Start Year of Construction 1979      
End Year of Construction 2017      
Acquired of Beginning Year 2006      
Acquired of Ending Year 2018      
IDAHO | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
IDAHO | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
ILLINOIS        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 163      
Encumbrances $ 0      
Initial Cost to Company, Land 128,346      
Initial Cost to Company, Building, Improvements & Leasehold Interests 305,122      
Costs Capitalized Subsequent to Acquisition, Improvements 44,986      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 128,346      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 349,786      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 478,132      
Accumulated Depreciation and Amortization $ 81,515      
Start Year of Construction 1924      
End Year of Construction 2022      
Acquired of Beginning Year 1995      
Acquired of Ending Year 2021      
ILLINOIS | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 15 years      
ILLINOIS | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
INDIANA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 149      
Encumbrances $ 0      
Initial Cost to Company, Land 99,469      
Initial Cost to Company, Building, Improvements & Leasehold Interests 201,978      
Costs Capitalized Subsequent to Acquisition, Improvements 79,675      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 99,469      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 280,984      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 380,453      
Accumulated Depreciation and Amortization $ 65,721      
Start Year of Construction 1965      
End Year of Construction 2020      
Acquired of Beginning Year 2001      
Acquired of Ending Year 2021      
INDIANA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 15 years      
INDIANA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
IOWA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 27      
Encumbrances $ 0      
Initial Cost to Company, Land 20,064      
Initial Cost to Company, Building, Improvements & Leasehold Interests 37,962      
Costs Capitalized Subsequent to Acquisition, Improvements 14,526      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 20,064      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 52,487      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 72,551      
Accumulated Depreciation and Amortization $ 15,327      
Start Year of Construction 1964      
End Year of Construction 2015      
Acquired of Beginning Year 2005      
Acquired of Ending Year 2017      
IOWA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 10 years      
IOWA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
KANSAS        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 36      
Encumbrances $ 0      
Initial Cost to Company, Land 17,044      
Initial Cost to Company, Building, Improvements & Leasehold Interests 34,678      
Costs Capitalized Subsequent to Acquisition, Improvements 9,776      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 16,920      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 44,312      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 61,232      
Accumulated Depreciation and Amortization $ 8,830      
Start Year of Construction 1946      
End Year of Construction 2017      
Acquired of Beginning Year 1997      
Acquired of Ending Year 2019      
KANSAS | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 15 years      
KANSAS | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
KENTUCKY        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 55      
Encumbrances $ 0      
Initial Cost to Company, Land 40,724      
Initial Cost to Company, Building, Improvements & Leasehold Interests 96,870      
Costs Capitalized Subsequent to Acquisition, Improvements 13,385      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 40,724      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 110,255      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 150,979      
Accumulated Depreciation and Amortization $ 24,654      
Start Year of Construction 1974      
End Year of Construction 2020      
Acquired of Beginning Year 2005      
Acquired of Ending Year 2021      
KENTUCKY | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
KENTUCKY | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
LOUISIANA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 41      
Encumbrances $ 0      
Initial Cost to Company, Land 30,165      
Initial Cost to Company, Building, Improvements & Leasehold Interests 61,652      
Costs Capitalized Subsequent to Acquisition, Improvements 37,684      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 30,165      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 99,336      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 129,501      
Accumulated Depreciation and Amortization $ 18,634      
Start Year of Construction 1970      
End Year of Construction 2018      
Acquired of Beginning Year 1996      
Acquired of Ending Year 2021      
LOUISIANA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 15 years      
LOUISIANA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
MAINE        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 12      
Encumbrances $ 0      
Initial Cost to Company, Land 3,781      
Initial Cost to Company, Building, Improvements & Leasehold Interests 13,017      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 3,781      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 13,017      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 16,798      
Accumulated Depreciation and Amortization $ 4,087      
Start Year of Construction 1915      
End Year of Construction 2002      
Acquired of Beginning Year 1996      
Acquired of Ending Year 2017      
MAINE | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 10 years      
MAINE | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
MARYLAND        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 50      
Encumbrances $ 0      
Initial Cost to Company, Land 62,149      
Initial Cost to Company, Building, Improvements & Leasehold Interests 126,171      
Costs Capitalized Subsequent to Acquisition, Improvements 3,006      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 62,149      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 129,177      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 191,326      
Accumulated Depreciation and Amortization $ 34,641      
Start Year of Construction 1946      
End Year of Construction 2017      
Acquired of Beginning Year 1996      
Acquired of Ending Year 2019      
MARYLAND | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
MARYLAND | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
MASSACHUSETTS        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 23      
Encumbrances $ 0      
Initial Cost to Company, Land 32,668      
Initial Cost to Company, Building, Improvements & Leasehold Interests 90,750      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 32,668      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 90,750      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 123,418      
Accumulated Depreciation and Amortization $ 14,065      
Start Year of Construction 1960      
End Year of Construction 2017      
Acquired of Beginning Year 2006      
Acquired of Ending Year 2019      
MASSACHUSETTS | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
MASSACHUSETTS | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
MICHIGAN        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 64      
Encumbrances $ 0      
Initial Cost to Company, Land 46,647      
Initial Cost to Company, Building, Improvements & Leasehold Interests 98,353      
Costs Capitalized Subsequent to Acquisition, Improvements 58,994      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 46,647      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 156,737      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 203,384      
Accumulated Depreciation and Amortization $ 29,289      
Start Year of Construction 1963      
End Year of Construction 2020      
Acquired of Beginning Year 1996      
Acquired of Ending Year 2021      
MICHIGAN | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
MICHIGAN | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
MINNESOTA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 27      
Encumbrances $ 0      
Initial Cost to Company, Land 19,824      
Initial Cost to Company, Building, Improvements & Leasehold Interests 34,281      
Costs Capitalized Subsequent to Acquisition, Improvements 2,552      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 19,824      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 36,832      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 56,656      
Accumulated Depreciation and Amortization $ 11,597      
Start Year of Construction 1950      
End Year of Construction 2017      
Acquired of Beginning Year 2005      
Acquired of Ending Year 2018      
MINNESOTA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 10 years      
MINNESOTA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
MISSISSIPPI        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 62      
Encumbrances $ 0      
Initial Cost to Company, Land 28,548      
Initial Cost to Company, Building, Improvements & Leasehold Interests 91,285      
Costs Capitalized Subsequent to Acquisition, Improvements 14,084      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 28,548      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 105,369      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 133,917      
Accumulated Depreciation and Amortization $ 8,406      
Start Year of Construction 1959      
End Year of Construction 2017      
Acquired of Beginning Year 2006      
Acquired of Ending Year 2021      
MISSISSIPPI | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 15 years      
MISSISSIPPI | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
MISSOURI        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 97      
Encumbrances $ 0      
Initial Cost to Company, Land 62,095      
Initial Cost to Company, Building, Improvements & Leasehold Interests 115,114      
Costs Capitalized Subsequent to Acquisition, Improvements 67,132      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 61,916      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 181,157      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 243,073      
Accumulated Depreciation and Amortization $ 35,933      
Start Year of Construction 1920      
End Year of Construction 2021      
Acquired of Beginning Year 1992      
Acquired of Ending Year 2021      
MISSOURI | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 15 years      
MISSOURI | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
MONTANA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 26      
Encumbrances $ 3,791      
Initial Cost to Company, Land 4,102      
Initial Cost to Company, Building, Improvements & Leasehold Interests 11,865      
Costs Capitalized Subsequent to Acquisition, Improvements 2,654      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 4,102      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 14,518      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 18,620      
Accumulated Depreciation and Amortization $ 4,350      
Start Year of Construction 1937      
End Year of Construction 2016      
Acquired of Beginning Year 2010      
Acquired of Ending Year 2016      
MONTANA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
MONTANA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
NEBRASKA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 6      
Encumbrances $ 0      
Initial Cost to Company, Land 5,608      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,066      
Costs Capitalized Subsequent to Acquisition, Improvements 5,033      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 5,608      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 8,099      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 13,707      
Accumulated Depreciation and Amortization $ 1,600      
Start Year of Construction 1979      
End Year of Construction 2015      
Acquired of Beginning Year 2005      
Acquired of Ending Year 2017      
NEBRASKA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
NEBRASKA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
NEVADA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 13      
Encumbrances $ 0      
Initial Cost to Company, Land 7,405      
Initial Cost to Company, Building, Improvements & Leasehold Interests 22,914      
Costs Capitalized Subsequent to Acquisition, Improvements 1,205      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 7,405      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 24,119      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 31,524      
Accumulated Depreciation and Amortization $ 3,736      
Start Year of Construction 1961      
End Year of Construction 2014      
Acquired of Beginning Year 2012      
Acquired of Ending Year 2021      
NEVADA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
NEVADA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
NEW HAMPSHIRE        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 9      
Encumbrances $ 0      
Initial Cost to Company, Land 8,913      
Initial Cost to Company, Building, Improvements & Leasehold Interests 32,168      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 8,913      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 32,168      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 41,081      
Accumulated Depreciation and Amortization $ 6,443      
Start Year of Construction 1980      
End Year of Construction 2004      
Acquired of Beginning Year 2011      
Acquired of Ending Year 2018      
NEW HAMPSHIRE | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
NEW HAMPSHIRE | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
NEW JERSEY        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 20      
Encumbrances $ 0      
Initial Cost to Company, Land 37,144      
Initial Cost to Company, Building, Improvements & Leasehold Interests 152,600      
Costs Capitalized Subsequent to Acquisition, Improvements 732      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 37,144      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 153,331      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 190,475      
Accumulated Depreciation and Amortization $ 44,019      
Start Year of Construction 1965      
End Year of Construction 2015      
Acquired of Beginning Year 1996      
Acquired of Ending Year 2019      
NEW JERSEY | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
NEW JERSEY | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
NEW MEXICO        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 29      
Encumbrances $ 0      
Initial Cost to Company, Land 20,739      
Initial Cost to Company, Building, Improvements & Leasehold Interests 69,182      
Costs Capitalized Subsequent to Acquisition, Improvements 21,795      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 20,739      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 90,977      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 111,716      
Accumulated Depreciation and Amortization $ 11,345      
Start Year of Construction 1955      
End Year of Construction 2019      
Acquired of Beginning Year 2001      
Acquired of Ending Year 2019      
NEW MEXICO | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
NEW MEXICO | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
NEW YORK        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 37      
Encumbrances $ 0      
Initial Cost to Company, Land 26,197      
Initial Cost to Company, Building, Improvements & Leasehold Interests 47,041      
Costs Capitalized Subsequent to Acquisition, Improvements 28,115      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 26,197      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 71,814      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 98,011      
Accumulated Depreciation and Amortization $ 15,570      
Start Year of Construction 1925      
End Year of Construction 2020      
Acquired of Beginning Year 1997      
Acquired of Ending Year 2021      
NEW YORK | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
NEW YORK | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
NORTH CAROLINA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 163      
Encumbrances $ 0      
Initial Cost to Company, Land 126,016      
Initial Cost to Company, Building, Improvements & Leasehold Interests 254,598      
Costs Capitalized Subsequent to Acquisition, Improvements 33,770      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 126,016      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 287,937      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 413,953      
Accumulated Depreciation and Amortization $ 68,705      
Start Year of Construction 1906      
End Year of Construction 2020      
Acquired of Beginning Year 2004      
Acquired of Ending Year 2021      
NORTH CAROLINA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 5 years      
NORTH CAROLINA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
NORTH DAKOTA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 4      
Encumbrances $ 0      
Initial Cost to Company, Land 411      
Initial Cost to Company, Building, Improvements & Leasehold Interests 1,606      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 411      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,606      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 2,017      
Accumulated Depreciation and Amortization $ 808      
Start Year of Construction 1974      
End Year of Construction 1999      
Acquired of Beginning Year 1997      
Acquired of Ending Year 2011      
NORTH DAKOTA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
NORTH DAKOTA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
OHIO        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 192      
Encumbrances $ 0      
Initial Cost to Company, Land 133,262      
Initial Cost to Company, Building, Improvements & Leasehold Interests 304,824      
Costs Capitalized Subsequent to Acquisition, Improvements 73,954      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 131,231      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 376,750      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 507,981      
Accumulated Depreciation and Amortization $ 85,107      
Start Year of Construction 1910      
End Year of Construction 2019      
Acquired of Beginning Year 1992      
Acquired of Ending Year 2019      
OHIO | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 15 years      
OHIO | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
OKLAHOMA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 88      
Encumbrances $ 0      
Initial Cost to Company, Land 43,809      
Initial Cost to Company, Building, Improvements & Leasehold Interests 106,511      
Costs Capitalized Subsequent to Acquisition, Improvements 29,204      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 43,809      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 135,456      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 179,265      
Accumulated Depreciation and Amortization $ 23,325      
Start Year of Construction 1964      
End Year of Construction 2018      
Acquired of Beginning Year 1996      
Acquired of Ending Year 2021      
OKLAHOMA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 15 years      
OKLAHOMA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
OREGON        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 6      
Encumbrances $ 0      
Initial Cost to Company, Land 4,184      
Initial Cost to Company, Building, Improvements & Leasehold Interests 6,888      
Costs Capitalized Subsequent to Acquisition, Improvements 735      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 4,184      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 7,623      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 11,807      
Accumulated Depreciation and Amortization $ 3,297      
Start Year of Construction 1973      
End Year of Construction 1999      
Acquired of Beginning Year 1998      
Acquired of Ending Year 2012      
OREGON | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
OREGON | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
PENNSYLVANIA        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 82      
Encumbrances $ 0      
Initial Cost to Company, Land 59,036      
Initial Cost to Company, Building, Improvements & Leasehold Interests 109,324      
Costs Capitalized Subsequent to Acquisition, Improvements 29,956      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 58,851      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 136,248      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 195,099      
Accumulated Depreciation and Amortization $ 39,892      
Start Year of Construction 1950      
End Year of Construction 2017      
Acquired of Beginning Year 1997      
Acquired of Ending Year 2019      
PENNSYLVANIA | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 15 years      
PENNSYLVANIA | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
PUERTO RICO        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 1      
Encumbrances $ 0      
Initial Cost to Company, Land 1,729      
Initial Cost to Company, Building, Improvements & Leasehold Interests 0      
Costs Capitalized Subsequent to Acquisition, Improvements 2,732      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,729      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 2,131      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 3,860      
Accumulated Depreciation and Amortization $ 782      
Start Year of Construction 1998      
End Year of Construction 1998      
Acquired of Beginning Year 2007      
Acquired of Ending Year 2007      
PUERTO RICO | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 33 years      
PUERTO RICO | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 33 years      
Rohde Island        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 5      
Encumbrances $ 0      
Initial Cost to Company, Land 2,377      
Initial Cost to Company, Building, Improvements & Leasehold Interests 7,450      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 2,377      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 7,450      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 9,827      
Accumulated Depreciation and Amortization $ 1,484      
Start Year of Construction 1989      
End Year of Construction 2004      
Acquired of Beginning Year 2016      
Acquired of Ending Year 2016      
Rohde Island | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
Rohde Island | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
South Carolina        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 71      
Encumbrances $ 0      
Initial Cost to Company, Land 50,000      
Initial Cost to Company, Building, Improvements & Leasehold Interests 100,307      
Costs Capitalized Subsequent to Acquisition, Improvements 8,959      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 50,000      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 109,265      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 159,265      
Accumulated Depreciation and Amortization $ 25,801      
Start Year of Construction 1921      
End Year of Construction 2021      
Acquired of Beginning Year 2005      
Acquired of Ending Year 2021      
South Carolina | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 10 years      
South Carolina | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
South Dakota        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 2      
Encumbrances $ 0      
Initial Cost to Company, Land 1,595      
Initial Cost to Company, Building, Improvements & Leasehold Interests 4,447      
Costs Capitalized Subsequent to Acquisition, Improvements 788      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,595      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 5,234      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 6,829      
Accumulated Depreciation and Amortization $ 1,360      
Start Year of Construction 1985      
End Year of Construction 2000      
Acquired of Beginning Year 2012      
Acquired of Ending Year 2012      
South Dakota | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years      
South Dakota | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 35 years      
Tennessee        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 150      
Encumbrances $ 0      
Initial Cost to Company, Land 91,733      
Initial Cost to Company, Building, Improvements & Leasehold Interests 210,065      
Costs Capitalized Subsequent to Acquisition, Improvements 55,949      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 91,733      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 266,014      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 357,747      
Accumulated Depreciation and Amortization $ 50,909      
Start Year of Construction 1958      
End Year of Construction 2019      
Acquired of Beginning Year 1996      
Acquired of Ending Year 2021      
Tennessee | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 5 years      
Tennessee | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Texas        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 502      
Encumbrances $ 0      
Initial Cost to Company, Land 402,511      
Initial Cost to Company, Building, Improvements & Leasehold Interests 851,361      
Costs Capitalized Subsequent to Acquisition, Improvements 166,356      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 402,511      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 1,015,755      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 1,418,266      
Accumulated Depreciation and Amortization $ 265,700      
Start Year of Construction 1890      
End Year of Construction 2021      
Acquired of Beginning Year 1993      
Acquired of Ending Year 2021      
Texas | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 15 years      
Texas | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Utah        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 13      
Encumbrances $ 0      
Initial Cost to Company, Land 12,021      
Initial Cost to Company, Building, Improvements & Leasehold Interests 15,506      
Costs Capitalized Subsequent to Acquisition, Improvements 13,216      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 12,021      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 28,722      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 40,743      
Accumulated Depreciation and Amortization $ 5,611      
Start Year of Construction 1951      
End Year of Construction 2016      
Acquired of Beginning Year 2006      
Acquired of Ending Year 2019      
Utah | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
Utah | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Virginia        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 116      
Encumbrances $ 0      
Initial Cost to Company, Land 95,192      
Initial Cost to Company, Building, Improvements & Leasehold Interests 173,980      
Costs Capitalized Subsequent to Acquisition, Improvements 30,027      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 94,082      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 199,848      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 293,930      
Accumulated Depreciation and Amortization $ 55,780      
Start Year of Construction 1939      
End Year of Construction 2022      
Acquired of Beginning Year 1995      
Acquired of Ending Year 2021      
Virginia | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 5 years      
Virginia | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Washington        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 27      
Encumbrances $ 0      
Initial Cost to Company, Land 22,568      
Initial Cost to Company, Building, Improvements & Leasehold Interests 34,547      
Costs Capitalized Subsequent to Acquisition, Improvements 15,894      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 22,568      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 50,441      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 73,009      
Accumulated Depreciation and Amortization $ 14,309      
Start Year of Construction 1955      
End Year of Construction 2017      
Acquired of Beginning Year 1997      
Acquired of Ending Year 2019      
Washington | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
Washington | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
West Virginia        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 22      
Encumbrances $ 0      
Initial Cost to Company, Land 13,640      
Initial Cost to Company, Building, Improvements & Leasehold Interests 24,423      
Costs Capitalized Subsequent to Acquisition, Improvements 1,385      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 13,640      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 25,808      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 39,448      
Accumulated Depreciation and Amortization $ 5,675      
Start Year of Construction 1970      
End Year of Construction 2013      
Acquired of Beginning Year 2006      
Acquired of Ending Year 2017      
West Virginia | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 25 years      
West Virginia | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Wisconsin        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 44      
Encumbrances $ 0      
Initial Cost to Company, Land 27,026      
Initial Cost to Company, Building, Improvements & Leasehold Interests 57,395      
Costs Capitalized Subsequent to Acquisition, Improvements 13,542      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 27,026      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 70,937      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 97,963      
Accumulated Depreciation and Amortization $ 18,184      
Start Year of Construction 1940      
End Year of Construction 2020      
Acquired of Beginning Year 2006      
Acquired of Ending Year 2021      
Wisconsin | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
Wisconsin | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 40 years      
Wyoming        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Number of Units | Property 6      
Encumbrances $ 0      
Initial Cost to Company, Land 1,150      
Initial Cost to Company, Building, Improvements & Leasehold Interests 3,815      
Costs Capitalized Subsequent to Acquisition, Improvements 0      
Costs Capitalized Subsequent to Acquisition, Carrying Costs 0      
Gross Amount at Which Carried at Close of Period, Land 1,150      
Gross Amount at Which Carried at Close of Period, Building, Improvements & Leasehold Interests 3,815      
Gross Amount at Which Carried at Close of Period, Land, Building, Improvements & Leasehold Interests 4,965      
Accumulated Depreciation and Amortization $ 1,411      
Start Year of Construction 1949      
End Year of Construction 2001      
Acquired of Beginning Year 2010      
Acquired of Ending Year 2012      
Wyoming | Minimum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 20 years      
Wyoming | Maximum [Member]        
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]        
Life on Which Depreciation & Amortization in Latest Income Statement is Computed 30 years