Fixed Assets (Tables)

3 Months Ended

Mar. 31, 2015

Fixed Assets And Asset Retirement Obligations [Abstract]

Schedule Of Fixed Assets

Fixed assets consisted of the following:

	March 31, 2015			December 31, 2014
Pipelines and related assets	$	473,854		$	466,613
Machinery and equipment	382,046			376,672
Transportation equipment	17,983			18,479
Marine vessels	736,638			731,016
Land, buildings and improvements	38,244			38,037
Office equipment, furniture and fixtures	6,866			6,696
Construction in progress	318,890			222,233
Other	42,718			39,312
Fixed assets, at cost	2,017,239			1,899,058
Less: Accumulated depreciation	(287,077		)	(268,057		)
Net fixed assets	$	1,730,162		$	1,631,001

Depreciation Expense

Our depreciation expense for the periods presented was as follows:

	Three Months Ended March 31,
	2015		2014
Depreciation expense	$	22,037	$	15,277