v3.25.4
Capital Structure (Narrative) (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Feb. 19, 2025
USD ($)
$ / shares
Aug. 05, 2024
USD ($)
$ / shares
Feb. 19, 2024
USD ($)
$ / shares
Aug. 07, 2023
USD ($)
$ / shares
Feb. 21, 2023
USD ($)
$ / shares
Dec. 31, 2025
USD ($)
$ / shares
shares
Dec. 31, 2024
USD ($)
shares
Dec. 31, 2023
USD ($)
shares
Dec. 31, 2022
shares
Class of Stock [Line Items]                  
Capital stock, shares authorized (in shares) | shares           1,100,000,000      
Capital stock, par value per share | $ / shares           $ 0.01      
Common stock, shares authorized (in shares) | shares           1,000,000,000 1,000,000,000    
Preferred stock, shares authorized (in shares) | shares           100,000,000 100,000,000    
Dividends | $ $ 8,400 $ 8,400 $ 8,400 $ 8,400 $ 8,400 $ 8,382 $ 16,765 $ 16,765  
Foreign Currency Transaction Gain (Loss), Realized | $           $ 585 $ 12,339 $ 2,899  
Preferred stock held | shares           1 1    
Common Stock [Member]                  
Class of Stock [Line Items]                  
Shares outstanding | shares           167,645,373 167,645,373 167,645,373 167,645,373
Dividends | $           $ 0 $ 0 $ 0  
Coronado Group LLC [Member]                  
Class of Stock [Line Items]                  
Percentage of ownership after transaction           50.40%      
Coronado Group LLC [Member] | Common Stock [Member]                  
Class of Stock [Line Items]                  
Common stock, shares authorized (in shares) | shares           84,506,140      
Shares outstanding | shares           167,645,373      
Coronado Group LLC [Member] | Common Stock [Member] | New Investors [Member]                  
Class of Stock [Line Items]                  
Shares outstanding | shares           83,139,233      
CDI [Member]                  
Class of Stock [Line Items]                  
Share equivalent ratio           10      
Number of votes for every 10 CDI they hold           1      
Number of CDI shares held for every vote | shares           10      
Dividends | $           $ 8,300 16,700 16,700  
Foreign Currency Transaction Gain (Loss), Realized | $           $ 100 $ 100 $ 100  
CDI [Member] | O 2025 Q1 Dividends [Member]                  
Class of Stock [Line Items]                  
Dividends Payable Amount Per Share | $ / shares $ 0.005                
CDI [Member] | O 2024 Q1 Dividends [Member]                  
Class of Stock [Line Items]                  
Dividends Payable Amount Per Share | $ / shares     $ 0.005            
CDI [Member] | O 2024 Q3 Dividends [Member]                  
Class of Stock [Line Items]                  
Dividends Payable Amount Per Share | $ / shares   $ 0.005              
CDI [Member] | O 2023 Q1 Dividends [Member]                  
Class of Stock [Line Items]                  
Dividends Payable Amount Per Share | $ / shares         $ 0.005        
CDI [Member] | O 2023 Q3 Dividends [Member]                  
Class of Stock [Line Items]                  
Dividends Payable Amount Per Share | $ / shares       $ 0.005          
CDI [Member] | Coronado Group LLC [Member]                  
Class of Stock [Line Items]                  
Common stock, shares authorized (in shares) | shares           845,061,399      
Shares outstanding | shares           1,676,453,730      
CDI [Member] | Coronado Group LLC [Member] | New Investors [Member]                  
Class of Stock [Line Items]                  
Shares outstanding | shares           831,392,331      
Series A Preferred Stock [Member]                  
Class of Stock [Line Items]                  
Preferred shares, liquidation preference per share | $ / shares           $ 1.00      
Common Class [Member] | O 2025 Q1 Dividends [Member]                  
Class of Stock [Line Items]                  
Dividends Payable Amount Per Share | $ / shares $ 0.05                
Common Class [Member] | O 2024 Q1 Dividends [Member]                  
Class of Stock [Line Items]                  
Dividends Payable Amount Per Share | $ / shares     $ 0.05            
Common Class [Member] | O 2024 Q3 Dividends [Member]                  
Class of Stock [Line Items]                  
Dividends Payable Amount Per Share | $ / shares   $ 0.05              
Common Class [Member] | O 2023 Q1 Dividends [Member]                  
Class of Stock [Line Items]                  
Dividends Payable Amount Per Share | $ / shares         $ 0.05        
Common Class [Member] | O 2023 Q3 Dividends [Member]                  
Class of Stock [Line Items]                  
Dividends Payable Amount Per Share | $ / shares       $ 0.05