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Partners' Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended
Apr. 27, 2023
Apr. 20, 2023
Jan. 31, 2023
Jan. 20, 2023
Aug. 19, 2020
Jul. 02, 2020
Oct. 23, 2018
Jul. 20, 2015
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Partners' Equity:                      
Common unitholders - units outstanding                 36,802,247   36,802,247
General partner outstanding                 35,526   35,526
A&R Sales Agreement                      
Partners' Equity:                      
Issuance of units in public offering                 0 0  
Aggregate offering price         $ 30,000 $ 30,000          
General Partner [Member]                      
Partners' Equity:                      
Payments to general partner                 $ 0 $ 0  
Sponsor [Member]                      
Partners' Equity:                      
Common unitholders - units issued                 15,595,000    
Series A Preferred Stock [Member]                      
Partners' Equity:                      
Issuance of units in public offering               3,000,000      
Liquidation preference               $ 25.00      
Proceeds from the offering               $ 72,300      
Underwriting discount               2,400      
Offering expenses               $ 300      
Preferred units, issued                 3,000,000   3,000,000
Fixed payment rate per annum               9.00% 9.00%    
Redemption price                 $ 25.00    
Series A Preferred Stock [Member] | Distribution From November 12, 2021 to February 11, 2022                      
Partners' Equity:                      
Distribution made to limited partner, distributions paid per unit       $ 0.5625              
Series A Preferred Stock [Member] | Distribution From February 12, 2022 to May 11, 2022                      
Partners' Equity:                      
Distribution made to limited partner, distributions paid per unit   $ 0.5625                  
Series B Preferred Stock [Member]                      
Partners' Equity:                      
Issuance of units in public offering             2,200,000        
Liquidation preference             $ 25.00        
Proceeds from the offering             $ 53,000        
Offering expenses             $ 2,000        
Preferred units, issued                 2,200,000   2,200,000
Preferred units, outstanding                 2,200,000    
Series B Preferred Stock [Member] | From November 2023                      
Partners' Equity:                      
Preferred Stock Dividend Basis Spread On Variable Rate                 5.593%    
Series B Preferred Stock [Member] | Any Time On Or After November 2023 [Member]                      
Partners' Equity:                      
Redemption price                 $ 25.00    
Series B Preferred Stock [Member] | Distribution From And Issue Date To But Excluding November 2023                      
Partners' Equity:                      
Fixed payment rate per annum                 8.75%    
Series B Preferred Stock [Member] | Distribution From November 22, 2021 to February 21, 2022                      
Partners' Equity:                      
Distribution made to limited partner, distributions paid per unit     $ 0.546875                
Series B Preferred Stock [Member] | Distribution From February 22, 2022 to May 21, 2022                      
Partners' Equity:                      
Distribution made to limited partner, distributions paid per unit $ 0.546875