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Subsequent Events, Narrative (Details)
$ in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Feb. 21, 2023
USD ($)
Feb. 23, 2023
USD ($)
property
site
Jan. 31, 2023
USD ($)
property
landParcel
contract
Rate
Sep. 30, 2022
USD ($)
Rate
Jun. 30, 2022
USD ($)
contract
Dec. 31, 2022
USD ($)
landParcel
Dec. 31, 2021
USD ($)
landParcel
Dec. 31, 2020
USD ($)
Nov. 13, 2021
USD ($)
Subsequent Event [Line Items]                  
Number of land parcels | landParcel           6 11    
Gain on dispositions of properties           $ 12.2 $ 108.1 $ 5.6  
Principal amount                 $ 1,200.0
Debt term       25 years          
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Treasury Lock [Member]                  
Subsequent Event [Line Items]                  
Number of derivatives settled | contract         4        
Notional         $ 600.0   $ 150.0    
Settlement payments         $ 35.3        
Maximum maturities of contracts         10 years        
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Forward Contracts [Member]                  
Subsequent Event [Line Items]                  
Notional           $ 250.0      
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Treasury Lock and Forward Swap [Member]                  
Subsequent Event [Line Items]                  
Effective interest rate on derivative           5.70%      
Secured debt total                  
Subsequent Event [Line Items]                  
Loan Amount       $ 3.4   $ 226.0      
Interest Rate | Rate       3.65%          
Debt term       25 years          
Notes receivable from developers                  
Subsequent Event [Line Items]                  
Weighted average interest rate           13.10% 7.20%    
Subsequent Event [Member]                  
Subsequent Event [Line Items]                  
Number of land parcels | landParcel     4            
Insurance recoveries $ 3.5                
Subsequent Event [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Treasury Lock [Member]                  
Subsequent Event [Line Items]                  
Number of derivatives settled | contract     2            
Derivative term     10 years            
Subsequent Event [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Forward Contracts [Member]                  
Subsequent Event [Line Items]                  
Number of derivatives settled | contract     1            
Subsequent Event [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Treasury Lock and Forward Swap [Member]                  
Subsequent Event [Line Items]                  
Notional     $ 250.0            
Settlement payments     $ 7.4            
Effective interest rate on derivative     5.50%            
Subsequent Event [Member] | Secured debt total                  
Subsequent Event [Line Items]                  
Loan Amount     $ 85.0            
Interest Rate | Rate     5.00%            
Subsequent Event [Member] | Senior Unsecured Notes - January 2033 Maturity [Member]                  
Subsequent Event [Line Items]                  
Interest Rate     5.70%            
Principal amount     $ 400.0            
Debt term     10 years            
Net proceeds from offering     $ 395.3            
Subsequent Event [Member] | Properties securing debt [Member] | Secured debt total                  
Subsequent Event [Line Items]                  
Number of properties securing a debt instrument | property     5            
Subsequent Event [Member] | UK Non-Operating Properties                  
Subsequent Event [Line Items]                  
Number of properties sold | property   2              
Value of house sits sold   $ 112.0              
Gain on dispositions of properties   $ 1.5              
Subsequent Event [Member] | UK Non-Operating Properties | Notes receivable from developers                  
Subsequent Event [Line Items]                  
Weighted average interest rate   11.90%              
Subsequent Event [Member] | UK MH Operating Community                  
Subsequent Event [Line Items]                  
Value of house sits sold   $ 241.0              
Number of housing sites sold | site   730              
Subsequent Event [Member] | Ranch Adjacent to Current Property                  
Subsequent Event [Line Items]                  
Asset acquisitions, total consideration     $ 35.8