Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v3.19.3
Debt (Details)
$ in Thousands
9 Months Ended
Aug. 19, 2019
USD ($)
Mar. 21, 2016
loan
Oct. 30, 2014
loan
Sep. 30, 2019
USD ($)
shares
Sep. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
Debt disclosures            
Repayments of debt         $ 133,000  
Amended 2017 Margin Loan Agreement | Charter            
Debt disclosures            
Number of common shares pledged as collateral | shares       6,800,000    
Value of pledged collateral       $ 2,800,000    
SPV | Amended 2017 Margin Loan Agreement            
Debt disclosures            
Number of debt agreements repaid | loan   2 2      
Maximum borrowing capacity $ 1,000,000          
Additional allowed borrowing capacity $ 1,000,000          
Remaining borrowing capacity       $ 425,000    
Debt Instrument, Interest Rate, Effective Percentage       3.60%    
Amount outstanding       $ 575,000   $ 525,000
SPV | Amended 2017 Margin Loan Agreement | Three-month LIBOR            
Debt disclosures            
Interest rate basis three-month LIBOR          
Basis spread on variable rate 1.50%