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Financial Instruments and Fair Values - Effect of Derivative Financial Instruments Designated as Cash Flow Hedges (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of gain recognized in other comprehensive income (loss) $ 2,853 $ 11,935 $ 11,051 $ 6,533
Amount of loss reclassified from accumulated other comprehensive income (loss) into interest expense (667) (1,882) (2,991) (3,154)
Interest expense (25,323) (25,405) (50,451) (50,709)
Interest rate swap        
Derivative Instruments, Gain (Loss) [Line Items]        
Amount of gain recognized in other comprehensive income (loss) 2,853 11,935 11,051 6,533
Amount of loss reclassified from accumulated other comprehensive income (loss) into interest expense 667 1,882 2,991 3,154
Interest rate swap | Reclassification out of accumulated other comprehensive income | Accumulated other comprehensive income (loss)        
Derivative Instruments, Gain (Loss) [Line Items]        
Interest expense $ 667 $ 1,882 $ 2,991 $ 3,154