Intangible Assets, Goodwill And Other Assets (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

The following table reflects the components of intangible assets being amortized at December 31, 2016 and 2015:

		December 31, 2016						December 31, 2015
	Weighted Amortization Period in Years	Gross Carrying Amount		Accumulated Amortization		Carrying Value		Gross Carrying Amount		Accumulated Amortization		Carrying Value
Refinery Services:
Customer relationships	5	$	94,654	$	89,756	$	4,898	$	94,654	$	86,285	$	8,369
Licensing agreements	6	38,678		34,204		4,474		38,678		31,694		6,984
Segment total		133,332		123,960		9,372		133,332		117,979		15,353
Supply & Logistics:
Customer relationships	5	35,430		33,676		1,754		35,430		32,044		3,386
Intangibles associated with lease	15	13,260		4,459		8,801		13,260		3,986		9,274
Segment total		48,690		38,135		10,555		48,690		36,030		12,660
Marine contract intangibles	5	27,000		6,300		20,700		27,000		900		26,100
Offshore pipeline contract intangibles	19	158,101		11,788		146,313		158,101		3,467		154,634
Other	5	28,569		10,622		17,947		22,819		8,120		14,699
Total		$	395,692	$	190,805	$	204,887	$	389,942	$	166,496	$	223,446

Schedule of Estimated Amortization Expense

The following table reflects our estimated amortization expense for each of the five subsequent fiscal years:

	2017		2018		2019		2020		2021
Refinery Services:
Customer relationships	$	2,737	$	2,161	$	—	$	—	$	—
Licensing agreements	2,324		2,150		—		—		—
Supply and Logistics:
Customer relationships	1,407		41		39		38		37
Intangibles associated with lease	474		474		474		474		474
Marine contract intangibles	5,400		5,400		5,400		4,500		—
Offshore pipeline contract intangibles	8,321		8,321		8,321		8,321		8,321
Other	2,969		2,943		2,921		2,908		1,779
Total	$	23,632	$	21,490	$	17,155	$	16,241	$	10,611

Schedule of Other Assets

Other assets consisted of the following:

	December 31,
	2016		2015
CO2 volumetric production payments, net of amortization	$	3,503	$	7,413
Deferred marine charges, net (1)	27,710		23,646
Other deferred costs and deposits	25,398		27,633
Other assets, net of amortization	$	56,611	$	58,692

(1) See discussion of deferred charges on marine transportation assets in the Summary of Accounting Policies (Note 2)