Fixed Assets and Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2014

Fixed Assets And Asset Retirement Obligations [Abstract]

Schedule Of Fixed Assets

	December 31,
	2014			2013
Pipelines and related assets	$	466,613		$	338,920
Machinery and equipment	376,672			173,092
Transportation equipment	18,479			19,140
Marine vessels	731,016			554,679
Land, buildings and improvements	38,037			30,170
Office equipment, furniture and fixtures	6,696			5,633
Construction in progress	222,233			183,037
Other	39,312			23,303
Fixed assets, at cost	1,899,058			1,327,974
Less: Accumulated depreciation	(268,057		)	(199,230		)
Net fixed assets	$	1,631,001		$	1,128,744

Schedule Of Reconciliation Of Liability For Asset Retirement Obligations

A reconciliation of our liability for asset retirement obligations is as follows:

December 31, 2012	$	12,695
Liabilities incurred	789
Accretion expense	848
December 31, 2013	14,332
Liabilities incurred	—
Accretion expense	458
December 31, 2014	$	14,790