Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS - Narrative (Details)

v3.22.2.2
FAIR VALUE MEASUREMENTS - Narrative (Details)
$ in Millions
 9 Months Ended 12 Months Ended
Sep. 30, 2022
USD ($)
Dec. 31, 2021
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Unrealized gains $ 23.9  
Fixed Rate Private Placement Notes | Unsecured debt    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Weighted average contractual interest rate 3.40% 3.09%
Level 2 | Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fixed rate mortgages, fair value disclosure $ 282.4 $ 319.9
Weighted average market interest rate (percent) 6.07% 2.55%
Weighted average contractual interest rate (percent) 4.10% 4.12%
Level 2 | Fixed Rate Private Placement Notes | Measurement Input, Discount Rate | Weighted Average    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Weighted average market interest rate 0.0623 0.0281
Reported Value Measurement    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Private placement notes $ 1,230.0 $ 905.0
Fixed rate mortgages, fair value disclosure 300.7 303.9
Estimate of Fair Value Measurement    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Private placement notes 992.6 931.1
Designated as Hedging Instrument | Interest Rate Swap    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Notional amount $ 1,125.0 $ 1,125.0
Weighted average remaining term 2 years 4 months 24 days