Accrued Expenses And Other Long-term Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

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

	December 31,
	2020		2019
Taxes other than income	$	9,117	$	7,881
Capital expenditures and maintenance expenses		5,598		1,358
Current portion of environmental liabilities		1,710		1,520
Current portion of interest rate swap contracts (a)		1,028		—
Professional fees		916		880
Interest		537		992
Other		4,361		3,751
Total accrued expenses and other current liabilities	$	23,267	$	16,382

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

	December 31,
	2020		2019
Security deposits	$	17,417	$	12,812
Deferred fuel supplier rebates		9,328		9,266
Environmental liabilities		2,204		1,870
Interest rate swap contracts, less current portion (a)		1,427		—
Accounts payable to Circle K (b)		—		4,616
Other		2,199		1,676
Total other long-term liabilities	$	32,575	$	30,240

(a)

See Note 14 for information regarding the interest rate swap contracts entered into in 2020.

(b)

See Note 16 for information regarding the noncurrent portion of our accounts payable with Circle K.

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

	December 31,
	2020			2019
Balance at beginning of year	$	35,777		$	32,867
Recognition of asset retirement obligations		5,997			3,505
Changes in estimated cash flows or settlement dates		(1,086	)		(1,789	)
Accretion		1,394			1,317
Obligations settled		(315	)		(123	)
Balance at end of year		41,767			35,777
Current portion, included within accrued expenses and other current liabilities		317			188
Long-term portion	$	41,450		$	35,589