XML 52 R41.htm IDEA: XBRL DOCUMENT v3.21.2
Debt - Convertible Bond Debt (Details)
3 Months Ended 9 Months Ended
Jul. 29, 2019
USD ($)
vessel
$ / shares
shares
Sep. 30, 2021
USD ($)
numberOfBonds
shares
Sep. 30, 2021
USD ($)
numberOfBonds
Sep. 30, 2020
USD ($)
Debt Instrument [Line Items]        
Number of vessels acquired | vessel 6      
Cash paid to bondholder upon conversion of Convertible Bond Debt     $ 23 $ 0
Convertible Senior Notes due 2024 | Convertible Debt        
Debt Instrument [Line Items]        
Debt instrument, face amount $ 114,100,000      
Interest Rate Swap detail 5.00%      
Debt issuance costs $ 1,600,000      
Conversion premium (in shares) | shares 25.453      
Conversion price (in dollars per share) | $ / shares $ 39.29      
Convertible Senior Notes due 2024 | Convertible Debt | Debt Instrument, Redemption, Period Two        
Debt Instrument [Line Items]        
Redemption price percentage 100.00%      
Convertible Senior Notes due 2024 | Convertible Debt | Other Liabilities        
Debt Instrument [Line Items]        
Debt issuance costs $ 1,000,000      
Convertible Bond Debt        
Debt Instrument [Line Items]        
Net proceeds 112,500,000      
Conversion premium per principal amount of notes $ 1,000      
Number of bonds converted | numberOfBonds   1 1  
Amount of converted bond   $ 1,000    
Shares issued to settle conversion (in shares) | shares   25    
Credit Default Option | Unsecured Debt        
Debt Instrument [Line Items]        
Amount of principal amount eligible for declaration in case of default 25.00%      
Amount of notes to be due and payable 100.00%      
Convertible Bond Debt        
Debt Instrument [Line Items]        
Cash paid to bondholder upon conversion of Convertible Bond Debt     $ 23