v3.26.1
Real Estate and Accumulated Depreciation - Changes in Real Estate (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Real Estate and Accumulated Depreciation      
Encumbrances $ 102,688    
Initial Cost to Janus Living Predecessor      
Land and Improvements 163,344    
Buildings and Improvements 1,582,459    
Costs Capitalized Subsequent to Acquisition 413,158    
Gross Amount at Which Carried      
Land and Improvements 176,475    
Buildings and Improvements 1,982,486    
Total 2,158,961    
Accumulated Depreciation (505,297) $ (429,905) $ (356,263)
Aggregate gross cost of property $ 2,400,000    
Minimum      
Gross Amount at Which Carried      
Useful life 5 years    
Maximum      
Gross Amount at Which Carried      
Useful life 40 years    
AL7216 Birmingham | Alabama      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 6,193    
Buildings and Improvements 32,146    
Costs Capitalized Subsequent to Acquisition 11,006    
Gross Amount at Which Carried      
Land and Improvements 6,755    
Buildings and Improvements 42,590    
Total 49,345    
Accumulated Depreciation $ (11,625)    
Year Constructed 1991    
Year Acquired 2020    
FL7217 Bradenton | Florida      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 5,216    
Buildings and Improvements 88,090    
Costs Capitalized Subsequent to Acquisition 47,873    
Gross Amount at Which Carried      
Land and Improvements 6,116    
Buildings and Improvements 135,063    
Total 141,179    
Accumulated Depreciation $ (32,469)    
Year Constructed 1985    
Year Acquired 2020    
FL7209 Clearwater | Florida      
Real Estate and Accumulated Depreciation      
Encumbrances $ 62,286    
Initial Cost to Janus Living Predecessor      
Land and Improvements 6,680    
Buildings and Improvements 132,521    
Costs Capitalized Subsequent to Acquisition 33,242    
Gross Amount at Which Carried      
Land and Improvements 7,589    
Buildings and Improvements 164,854    
Total 172,443    
Accumulated Depreciation $ (31,781)    
Year Constructed 1991    
Year Acquired 2020    
FL7210 Jacksonville | Florida      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 19,660    
Buildings and Improvements 167,860    
Costs Capitalized Subsequent to Acquisition 33,463    
Gross Amount at Which Carried      
Land and Improvements 21,459    
Buildings and Improvements 199,524    
Total 220,983    
Accumulated Depreciation $ (46,342)    
Year Constructed 1989    
Year Acquired 2020    
FL7208 Leesburg | Florida      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 8,941    
Buildings and Improvements 65,698    
Costs Capitalized Subsequent to Acquisition 32,223    
Gross Amount at Which Carried      
Land and Improvements 9,867    
Buildings and Improvements 96,995    
Total 106,862    
Accumulated Depreciation $ (23,095)    
Year Constructed 1990    
Year Acquired 2020    
FL7207 Port Charlotte | Florida      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 5,344    
Buildings and Improvements 159,612    
Costs Capitalized Subsequent to Acquisition 25,638    
Gross Amount at Which Carried      
Land and Improvements 7,171    
Buildings and Improvements 183,423    
Total 190,594    
Accumulated Depreciation $ (36,337)    
Year Constructed 1987    
Year Acquired 2020    
FL7211 Seminole | Florida      
Real Estate and Accumulated Depreciation      
Encumbrances $ 40,402    
Initial Cost to Janus Living Predecessor      
Land and Improvements 14,080    
Buildings and Improvements 77,485    
Costs Capitalized Subsequent to Acquisition 21,066    
Gross Amount at Which Carried      
Land and Improvements 15,052    
Buildings and Improvements 97,579    
Total 112,631    
Accumulated Depreciation $ (18,068)    
Year Constructed 1990    
Year Acquired 2020    
FL7212 Seminole | Florida      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 13,038    
Buildings and Improvements 116,819    
Costs Capitalized Subsequent to Acquisition 24,472    
Gross Amount at Which Carried      
Land and Improvements 13,902    
Buildings and Improvements 140,427    
Total 154,329    
Accumulated Depreciation $ (30,835)    
Year Constructed 1982    
Year Acquired 2020    
FL7202 Sun City Center | Florida      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 25,254    
Buildings and Improvements 175,535    
Costs Capitalized Subsequent to Acquisition 36,428    
Gross Amount at Which Carried      
Land and Improvements 26,990    
Buildings and Improvements 210,227    
Total 237,217    
Accumulated Depreciation $ (55,052)    
Year Constructed 1992    
Year Acquired 2020    
FL7218 The Villages | Florida      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 6,311    
Buildings and Improvements 113,061    
Costs Capitalized Subsequent to Acquisition 21,813    
Gross Amount at Which Carried      
Land and Improvements 7,095    
Buildings and Improvements 134,090    
Total 141,185    
Accumulated Depreciation $ (31,191)    
Year Constructed 2009    
Year Acquired 2020    
MA5349 Cambridge | Massachusetts      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 6,841    
Gross Amount at Which Carried      
Land and Improvements 6,841    
Total $ 6,841    
Year Acquired 2021    
MI7201 Holland | Michigan      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 1,572    
Buildings and Improvements 88,960    
Costs Capitalized Subsequent to Acquisition 16,153    
Gross Amount at Which Carried      
Land and Improvements 2,149    
Buildings and Improvements 104,536    
Total 106,685    
Accumulated Depreciation $ (22,859)    
Year Constructed 1991    
Year Acquired 2020    
PA7215 Coatesville | Pennsylvania      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 12,949    
Buildings and Improvements 126,243    
Costs Capitalized Subsequent to Acquisition 26,200    
Gross Amount at Which Carried      
Land and Improvements 13,833    
Buildings and Improvements 151,559    
Total 165,392    
Accumulated Depreciation $ (32,032)    
Year Constructed 1998    
Year Acquired 2020    
PA7205 Haverford | Pennsylvania      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 16,461    
Buildings and Improvements 108,816    
Costs Capitalized Subsequent to Acquisition 41,037    
Gross Amount at Which Carried      
Land and Improvements 16,461    
Buildings and Improvements 149,853    
Total 166,314    
Accumulated Depreciation $ (63,317)    
Year Constructed 1989    
Year Acquired 2006    
TX7213 Spring | Texas      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 3,210    
Buildings and Improvements 30,085    
Costs Capitalized Subsequent to Acquisition 15,534    
Gross Amount at Which Carried      
Land and Improvements 3,601    
Buildings and Improvements 45,228    
Total 48,829    
Accumulated Depreciation $ (9,687)    
Year Constructed 2008    
Year Acquired 2020    
VA7206 Fort Belvoir | Virginia      
Initial Cost to Janus Living Predecessor      
Land and Improvements $ 11,594    
Buildings and Improvements 99,528    
Costs Capitalized Subsequent to Acquisition 27,010    
Gross Amount at Which Carried      
Land and Improvements 11,594    
Buildings and Improvements 126,538    
Total 138,132    
Accumulated Depreciation $ (60,607)    
Year Constructed 1990    
Year Acquired 2006