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Supplemental Balance Sheet Information (Tables)
 12 Months Ended
Dec. 31, 2022
Balance Sheet Related Disclosures [Abstract]  
Schedule of Intangible and Other Assets, Net Components of "Intangibles and other assets, net" at December 31, 2022 and 2021 were as follows:
 20222021
Catalyst and turnaround costs$1,108 $687 
Other intangible assets154 358 
Other1,152 1,153 
 $2,414 $2,198 
Schedule of Other Accrued Liabilities
Components of "Other accrued liabilities" at December 31, 2022 and 2021 were as follows:
 20222021
Accrued interest$15,131 $15,135 
Asset retirement obligations298 261 
Property and other taxes payable4,562 4,631 
Accrued payroll3,504 2,973 
Operating lease liabilities9,084 6,600 
Other495 250 
 $33,074 $29,850 
Schedule of Asset Retirement Obligations
The schedule below summarizes the changes in our asset retirement obligations:
 Year Ended December 31,
 20222021
 (In thousands)
Beginning asset retirement obligations$9,072 $8,759 
Revisions to existing liabilities 1
— — 
Accretion expense381 375 
Liabilities settled(4,461)(62)
Ending asset retirement obligations4,992 9,072 
Current portion of asset retirement obligations 2
(298)(261)
Long-term portion of asset retirement obligations 3
$4,694 $8,811 

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.