Fixed Assets (Tables)

6 Months Ended

Jun. 30, 2015

Fixed Assets And Asset Retirement Obligations [Abstract]

Schedule Of Fixed Assets

Fixed assets consisted of the following:

	June 30, 2015			December 31, 2014
Pipelines and related assets	$	477,815		$	466,613
Machinery and equipment	393,913			376,672
Transportation equipment	17,216			18,479
Marine vessels	750,444			731,016
Land, buildings and improvements	39,772			38,037
Office equipment, furniture and fixtures	7,126			6,696
Construction in progress	387,903			222,233
Other	46,457			39,312
Fixed assets, at cost	2,120,646			1,899,058
Less: Accumulated depreciation	(304,876		)	(268,057		)
Net fixed assets	$	1,815,770		$	1,631,001

Depreciation Expense

Our depreciation expense for the periods presented was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2015		2014		2015		2014
Depreciation expense	$	22,512	$	16,409	$	44,549	$	31,686