v3.26.1
Earnings per Unit and Cash Distributions - Additional Information (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 07, 2021
$ / shares
shares
Jun. 30, 2026
$ / shares
shares
Sep. 30, 2021
shares
Jun. 30, 2026
Vote
$ / shares
shares
Dec. 31, 2025
shares
Distribution Made to Limited Partner          
Units conversion ratio     0.01    
Number of general partner units outstanding   640,278   640,278 640,278
Series A Preferred Stock          
Distribution Made to Limited Partner          
Number of shares held       1,458,333  
Potentially dilutive preferred units       3,541,666  
Series A Convertible Preferred Units          
Distribution Made to Limited Partner          
Percentage of annual rate       8.00%  
Common Units          
Distribution Made to Limited Partner          
Number of units in exchange of IDRs 673,080        
Cash distributions paid in the period per unit | $ / shares $ 0.52        
Number of common units and subordinated units outstanding   33,660,342   33,660,342 33,660,342
Common Units | Public          
Distribution Made to Limited Partner          
Number of common units and subordinated units outstanding   23,908,719   23,908,719  
Common Units | KNOT          
Distribution Made to Limited Partner          
Number of common units and subordinated units outstanding   9,661,255   9,661,255  
Class B Unitholders          
Distribution Made to Limited Partner          
Number of units in exchange of IDRs 673,080        
Units to be converted into common units for distribution that are at or above the distribution threshold     0.125    
Number of units converted       420,675 420,675
Conversion price (in per unit) 673,080 0   252,405  
Number of shares held       252,405  
Potentially dilutive preferred units       252,405  
Series A Preferred unit          
Distribution Made to Limited Partner          
Preferred units liquidation preference | $ / shares   $ 24   $ 24  
Cash redemption rate as percentage of Issue Price, upon redemption eligibility date   100.00%   100.00%  
Percentage of cash Issue Price       70.00%  
Percentage of common unit Issue Price       80.00%  
Aggregate issue price of outstanding       130.00%  
Preferred units number of votes for each units | Vote       1  
KNOT | Common Units | Limited Partner          
Distribution Made to Limited Partner          
Number of general partner units outstanding   90,368   90,368  
KNOT | Partnership          
Distribution Made to Limited Partner          
Percentage of limited partner interest       28.70%  
KNOT | Partnership | Limited Partner          
Distribution Made to Limited Partner          
Percentage of limited partner interest       0.30%  
KNOT | Partnership | General Partner units          
Distribution Made to Limited Partner          
Percentage of general partner interest       1.85%  
Number of general partner units outstanding   640,278   640,278  
Public | Partnership          
Distribution Made to Limited Partner          
Percentage of limited partner interest       71.00%