Supplemental Balance Sheet Information (Tables)

9 Months Ended

Sep. 30, 2020

Balance Sheet Related Disclosures [Abstract]

Schedule of Other Accrued Liabilities

Components of "Other accrued liabilities" were as follows:

	September 30, 2020		December 31, 2019
Accrued interest	$	5,737	$	10,761
Asset retirement obligations	—		25
Property and other taxes payable	4,623		5,411
Accrued payroll	3,945		3,011
Operating lease liabilities	7,645		7,722
Other	1,203		1,859
	$	23,153	$	28,789

Schedule of Asset Retirement Obligations

The schedule below summarizes the changes in our asset retirement obligations:

	September 30, 2020
Beginning asset retirement obligations	$	8,936
Additions to asset retirement obligations	379
Accretion expense	309
Liabilities settled	(871)
Ending asset retirement obligations	8,753
Current portion of asset retirement obligations1	—
Long-term portion of asset retirement obligations2	$	8,753

¹The current portion of asset retirement obligations is included in "Other accrued liabilities" on the Partnership's Consolidated and Condensed Balance Sheets.

²The non-current portion of asset retirement obligations is included in "Other long-term obligations" on the Partnership's Consolidated and Condensed Balance Sheets.