v3.22.2.2
Employees, Retirement and Incentive Plans - Phantom Units (Details) - Phantom Units - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Units outstanding at beginning of period (in shares) 203,263  
Granted (in shares) 19,269 0
Vesting and transfer of full ownership to recipients (in shares) (18,789)  
Forfeited (in shares) (66,484)  
Units outstanding at end of period (in shares) 137,259  
Weighted Average Grant-Date Fair Value    
Units outstanding at beginning of period (in USD per share) $ 14.85  
Granted (in USD per share) 18.15  
Vesting and transfer of full ownership to recipients (in USD per share) 17.78  
Forfeited (in USD per share) 13.27  
Units outstanding at end of period (in USD per share) $ 15.68  
Grant date fair value of units vested and transferred $ 300 $ 13
Grant date fair value of units granted $ 400  
Units granted (in shares) 19,269 0
Unrecognized compensation related to nonvested units $ 500  
Weighted average recognition period 9 months 18 days  
Minimum    
Share-based Compensation Arrangements    
Award vesting period 1 year  
Maximum    
Share-based Compensation Arrangements    
Award vesting period 3 years