v3.25.2
Long-Term Debt, net - Additional Information (Details)
$ in Thousands
1 Months Ended 6 Months Ended
Feb. 11, 2021
USD ($)
Feb. 28, 2025
USD ($)
item
installment
Dec. 31, 2022
USD ($)
installment
item
Jun. 30, 2022
USD ($)
item
installment
Jun. 30, 2025
USD ($)
installment
item
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Mar. 31, 2024
USD ($)
item
Long-Term Debt, net                
Incurred interest expense         $ 27,400 $ 18,700    
Interest expense capitalized         $ 9,300 11,400    
Number of vessels excluding sale and lease back arrangement | item         31      
Carrying value of vessels subject to first preferred mortgages as collateral to credit facilities         $ 2,053,700      
Number of container vessel | item         15      
Deferred bond issuance costs         $ 9,100   $ 9,800  
BNP Paribas/Credit Agricole $130 mil. Facility                
Long-Term Debt, net                
Credit facility           130,000 130,000  
Syndicated 850.0 million facility                
Long-Term Debt, net                
Credit facility   $ 850,000     850,000   850,000  
Number of vessels under construction | item   14            
Number of quarterly instalments | installment   20            
Amount of quarterly instalment   $ 800            
Spread on variable rate   1.65%            
Commitment fee payable (as a percent)   0.50%            
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]   us-gaap:SecuredOvernightFinancingRateSofrMember            
Remaining borrowing availability         850,000      
Syndicated 850.0 million facility | Minimum                
Long-Term Debt, net                
Balloon payment at maturity   $ 42,400            
Syndicated 850.0 million facility | Maximum                
Long-Term Debt, net                
Balloon payment at maturity   $ 46,700            
Syndicated $450.0 mil. Facility                
Long-Term Debt, net                
Credit facility         $ 450,000   450,000 $ 450,000
Number of quarterly instalments | installment         20      
Spread on variable rate         1.85%      
Commitment fee payable (as a percent)         0.74%      
Number of vessels pledged as collateral | item               8
Number of vessels under construction pledged as collateral | item               1
Vessel tranches         $ 44,000      
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]         us-gaap:SecuredOvernightFinancingRateSofrMember      
Remaining borrowing availability         $ 44,000      
Syndicated $450.0 mil. Facility | Minimum                
Long-Term Debt, net                
Amount of quarterly instalment         600      
Balloon payment at maturity         31,800      
Syndicated $450.0 mil. Facility | Maximum                
Long-Term Debt, net                
Amount of quarterly instalment         900      
Balloon payment at maturity         45,500      
BNP Paribas/Credit Agricole $130 mil. Facility                
Long-Term Debt, net                
Credit facility         $ 130,000      
Balloon payment at maturity       $ 67,200        
Spread on variable rate       2.16%        
Number of vessels pledged as collateral | item       6        
Face amount of debt       $ 130,000        
Term of debt       5 years        
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]       us-gaap:SecuredOvernightFinancingRateSofrMember        
Minimum percentage of fair market value of collateral vessels required to cover loan value         125.00%      
BNP Paribas/Credit Agricole $130 mil. Facility | Eight Quarterly Installment                
Long-Term Debt, net                
Number of quarterly instalments | item       8        
Amount of quarterly instalment       $ 5,000        
BNP Paribas/Credit Agricole $130 mil. Facility | Twelve Quarterly Installments                
Long-Term Debt, net                
Number of quarterly instalments | installment       12        
Amount of quarterly instalment       $ 1,900        
BNP Paribas/Credit Agricole $130 mil. Facility | TEU sister vessels                
Long-Term Debt, net                
TEU | item       5,466        
Citibank/Natwest $815 mil. Facility                
Long-Term Debt, net                
Credit facility     $ 815,000          
Credit facility debt extinguished     437,750          
Citibank $382.5 mil. Revolving Credit Facility                
Long-Term Debt, net                
Credit facility     $ 382,500   $ 382,500 382,500 382,500  
Number of quarterly instalments | installment     20          
Amount of quarterly instalment     $ 11,250          
Balloon payment at maturity     $ 157,500          
Spread on variable rate     2.00%          
Commitment fee payable (as a percent)     0.80%          
Number of vessels pledged as collateral | item     16          
Term of debt     5 years          
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]     us-gaap:SecuredOvernightFinancingRateSofrMember          
Amount drawn         0      
Remaining borrowing availability         270,000      
Alpha Bank $55.25 mil. Facility                
Long-Term Debt, net                
Credit facility     $ 55,250   $ 55,250 $ 55,250 $ 55,250  
Number of quarterly instalments | installment     20          
Amount of quarterly instalment     $ 1,875          
Balloon payment at maturity     $ 17,750          
Spread on variable rate     2.30%          
Number of vessels pledged as collateral | item     2          
Term of debt     5 years          
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]     us-gaap:SecuredOvernightFinancingRateSofrMember          
Senior unsecured notes                
Long-Term Debt, net                
Face amount of debt $ 300,000              
Fixed interest rate (as a percent) 8.50%              
Percentage of principal amount redeemable from equity offering within 90 days of closing 35.00%              
Redemption period of principal from closing of equity offering 90 days              
Amount repurchased     $ 37,200          
Deferred bond issuance costs $ 9,000              
Senior unsecured notes | On or after March 1, 2024                
Long-Term Debt, net                
Percent of principal amount being redeemed 104.25%              
Senior unsecured notes | On or after March 1, 2025                
Long-Term Debt, net                
Percent of principal amount being redeemed 102.125%              
Senior unsecured notes | On or after March 1, 2026                
Long-Term Debt, net                
Percent of principal amount being redeemed 100.00%              
Senior unsecured notes | 90 days after equity offering                
Long-Term Debt, net                
Redemption price (as percent) 108.50%              
Alpha Bank $55.25 mil. Facility, Citibank $382.5 mil. Revolving Credit Facility Syndicated $450.0 mil. Facility Syndicated $850.0 mil. Facility                
Long-Term Debt, net                
Minimum percentage of fair market value of collateral vessels required to cover loan value         120.00%      
Alpha Bank $55.25 mil. Facility, Citibank $382.5 mil. Revolving Credit Facility, Syndicated $450.0 mil. Syndicated $850.0 mil Facility, and the BNP Paribas/Credit Agricole $130 mil. Facility                
Long-Term Debt, net                
Minimum liquidity         $ 30,000      
Maximum leverage ratio         6.5      
Minimum interest coverage ratio         2.5