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Financial Instruments and Fair Values - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Feb. 28, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Net unrealized gain (loss)   $ 4,861,000 $ (1,956,000) $ 9,342,000 $ (7,121,000)    
Unrealized gain (loss) on valuation of interest rate swap agreements   4,819,000 $ (1,472,000) 9,222,000 $ (5,588,000)    
Cash Flow Hedging | Designated as Hedging Instrument              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Aggregate notional value   566,023,000   566,023,000      
Net gain to be reclassified into interest expense within the next 12 months       2,300,000      
Interest Rate Swap and Interest Rate Cap | Cash Flow Hedging | Designated as Hedging Instrument              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Aggregate notional value   $ 566,000,000.0   $ 566,000,000.0     $ 567,000,000.0
Treasury Lock              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Aggregate notional value           $ 50,000,000.0  
Unrealized gain (loss) on valuation of interest rate swap agreements $ 1,100,000