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Financial Instruments and Fair Values - Narrative (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Interest rate swap agreements liability $ 2,143,000   $ 2,143,000   $ 85,000
Property in Receivership          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Long-term debt, fair value 177,700,000   177,700,000    
Level 3 | Property in Receivership          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Long-term debt, fair value 159,800,000   159,800,000    
Designated as Hedging Instrument | Cash Flow Hedging          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Aggregate notional value 680,386,000   680,386,000    
Net gain to be reclassified into interest expense within the next 12 months     1,000,000.0    
Interest Rate Swap and Interest Rate Cap          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Interest rate swap agreements liability 2,100,000   2,100,000    
Interest Rate Swap and Interest Rate Cap | Designated as Hedging Instrument | Cash Flow Hedging          
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]          
Interest rate swap agreements liability         100,000
Aggregate notional value 680,400,000   680,400,000   573,200,000
Interest rate swaps and caps included in prepaid expenses and other assets 5,700,000   5,700,000   $ 11,800,000
Net unrealized gains on valuation of interest rate swap agreements $ (11,800,000) $ 7,300,000 $ (3,700,000) $ 10,600,000