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Margin Accounts, Derivatives and Fair Value Measures - Interest Rate Caps (Details)
$ in Thousands
1 Months Ended
Jan. 31, 2020
USD ($)
numberOfVessel
numberOfContract
Dec. 31, 2023
Derivatives, Use of Derivatives    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Variable rate   3.51%
Interest Rate Cap    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Number of interest rate cap contracts | numberOfContract 4  
Purchase of derivative instrument | $ $ 628  
Number of new building vessels | numberOfVessel 4