INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2012

INCOME TAXES

Schedule of components of the income tax expense

$s in thousands	2012			2011			2010
Current:
U.S. Federal	$	13,989		$	10,662		$	8,618
State		1,905			1,237			1,136
Foreign		873			632			133
Total current		16,767			12,531			9,887
Deferred:
U.S. Federal		(270	)		(396	)		(29	)
State		79			(85	)		(71	)
Foreign		(517	)		(613	)		(185	)
Total deferred		(708	)		(1,094	)		(285	)
Income tax expense	$	16,059		$	11,437		$	9,602

Schedule of reconciliation between the effective income tax rate and the applicable statutory federal and state income tax rate

	2012			2011			2010
Taxes computed at statutory rate		35.0	%		35.0	%		35.0	%
State income taxes (net of federal income tax benefit)		3.3			2.5			3.3
Non-deductible acquisition costs		—			—			3.2
Foreign rate differential		(0.3	)		—			0.1
Other		0.5			0.9			1.7
		38.5	%		38.4	%		43.3	%

Schedule of components of the total net deferred tax assets and liabilities

$s in thousands	2012			2011
Deferred tax assets:
Net operating loss carry forward	$	5,555		$	4,967
Accruals, allowances and other		2,065			1,579
Total deferred tax assets		7,620			6,546
Less: valuation allowance		(5,537	)		(4,950	)
Net deferred tax assets		2,083			1,596
Deferred tax liabilities:
Environmental compliance and other site related costs		(1,228	)		(1,329	)
Property and equipment		(6,646	)		(6,886	)
Intangible assets		(10,463	)		(10,555	)
Other		(629	)		(70	)
Total deferred tax liabilities		(18,966	)		(18,840	)
Net deferred tax liability	$	(16,883	)	$	(17,244	)

Schedule of domestic and foreign components of Income (loss) before income taxes

$s in thousands	2012		2011		2010
Domestic		40,425		29,775		22,383
Foreign		1,293		32		(197	)
Income before income taxes	$	41,718	$	29,807	$	22,186

Schedule of changes to unrecognized tax benefits (excluding related penalties and interest)

$s in thousands	2012		2011		2010
Unrecognized tax benefits, beginning of year	$	438	$	—	$	—
Gross increases in tax positions in prior periods		—		438		—
Gross increases during the current period		—		—		—
Settlements		—		—		—
Lapse of statute of limitations		—		—		—
Unrecognized tax benefits, end of year	$	438	$	438	$	—