Accrued Expenses And Other Long-term Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Accrued expenses and other current liabilities consisted of the following (in thousands):

	December 31,
	2021		2020
Taxes other than income	$	8,661	$	9,117
Capital expenditures and maintenance expenses		3,299		5,598
Current portion of environmental liabilities		2,419		1,710
Current portion of interest rate swap contracts		—		1,028
Professional fees		1,115		916
Interest		723		537
Other		4,465		4,361
Total accrued expenses and other current liabilities	$	20,682	$	23,267

Other long-term liabilities consisted of the following (in thousands):

	December 31,
	2021		2020
Security deposits	$	17,749	$	17,417
Deferred fuel supplier rebates		17,038		9,328
Environmental liabilities		2,957		2,204
Interest rate swap contracts, less current portion		—		1,427
Other		3,459		2,199
Total other long-term liabilities	$	41,203	$	32,575

A rollforward of our asset retirement obligation is below (in thousands):

	December 31,
	2021			2020
Balance at beginning of year	$	41,767		$	35,777
Recognition of asset retirement obligations		3,840			5,997
Changes in estimated cash flows or settlement dates		(191	)		(1,086	)
Accretion		1,762			1,394
Obligations settled		(1,429	)		(315	)
Balance at end of year		45,749			41,767
Current portion, included within accrued expenses and other current liabilities		383			317
Long-term portion	$	45,366		$	41,450