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Fair Value Measurements (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Derivative [Line Items]    
Long-term Debt, Gross $ 2,254,099  
Mortgages [Member]    
Derivative [Line Items]    
Long-term Debt, Gross 45,099 $ 50,395
Senior Unsecured Debt [Member]    
Derivative [Line Items]    
Long-term Debt, Gross 1,810,000 1,810,000
Long-term Debt [Member] | Fair Value, Inputs, Level 2 [Member] | Senior Unsecured Debt [Member]    
Derivative [Line Items]    
Long-term Debt, Gross 1,790,000 1,790,000
Value of debt 1,520,000 1,540,000
Long-term Debt [Member] | Fair Value, Inputs, Level 3 [Member] | Mortgages [Member]    
Derivative [Line Items]    
Long-term Debt, Gross 43,000 48,000
Value of debt $ 39,300 $ 45,400