Fixed Assets And Asset Retirement Obligations (Tables)

9 Months Ended

Sep. 30, 2012

Fixed Assets And Asset Retirement Obligations [Abstract]



	September 30, 2012			December 31, 2011
Pipelines and related assets	$	218,155		$	167,865
Machinery and equipment	63,091			46,233
Transportation equipment	20,280			21,732
Marine vessels	297,416			262,216
Land, buildings and improvements	14,037			13,140
Office equipment, furniture and fixtures	4,487			3,778
Construction in progress	53,135			14,236
Other	14,062			11,938
Fixed assets, at cost	684,663			541,138
Less: Accumulated depreciation	(148,712		)	(124,213		)
Net fixed assets	$	535,951		$	416,925

Depreciation Expense



	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Depreciation expense	$	9,202	$	5,960	$	27,246	$	17,838

Schedule Of Reconciliation Of Liability For Asset Retirement Obligations



December 31, 2011	$	5,900
Liabilities incurred and assumed in the current period	5,995
Accretion expense	600
September 30, 2012	$	12,495

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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