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Supplemental Balance Sheet Information (Tables)
 12 Months Ended
Dec. 31, 2023
Balance Sheet Related Disclosures [Abstract]  
Schedule of Intangible and Other Assets, Net Components of "Intangibles and other assets, net" at December 31, 2023 and 2022 were as follows:
 20232022
Catalyst and turnaround costs$701 $1,108 
Other intangible assets55 154 
Other1,283 1,152 
 $2,039 $2,414 
Schedule of Other Accrued Liabilities
Components of "Other accrued liabilities" at December 31, 2023 and 2022 were as follows:
 20232022
Accrued interest$17,956 $15,131 
Asset retirement obligations25 298 
Property and other taxes payable4,348 4,562 
Accrued payroll4,136 3,504 
Operating lease liabilities14,901 9,084 
Other133 495 
 $41,499 $33,074 
Schedule of Asset Retirement Obligations
The schedule below summarizes the changes in our asset retirement obligations:
 Year Ended December 31,
 20232022
 (In thousands)
Beginning asset retirement obligations$4,992 $9,072 
Revisions to existing liabilities 1
— — 
Accretion expense191 381 
Liabilities settled(1)(4,461)
Ending asset retirement obligations5,182 4,992 
Current portion of asset retirement obligations 2
(25)(298)
Long-term portion of asset retirement obligations 3
$5,157 $4,694 

1 Several factors are considered in the annual review process, including inflation rates, current estimates for removal cost, discount rates, and the estimated remaining useful life of the assets.

2 The current portion of asset retirement obligations is included in "Other current liabilities" on the Partnership's Consolidated Balance Sheets.

3 The non-current portion of asset retirement obligations is included in "Other long-term obligations" on the Partnership's Consolidated Balance Sheets.