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Intangible Assets, Goodwill And Other Assets
12 Months Ended
Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets, Goodwill And Other Assets
9. Intangible Assets, Goodwill and Other Assets
Intangible Assets
The following table reflects the components of intangible assets being amortized at December 31, 2014 and 2013:
 
 
 
 
December 31, 2014
 
December 31, 2013
 
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

 
$
81,880

 
$
12,774

 
$
94,654

 
$
76,283

 
$
18,371

Licensing agreements
6
 
38,678

 
28,983

 
9,695

 
38,678

 
26,055

 
12,623

Segment total
 
 
133,332

 
110,863

 
22,469

 
133,332

 
102,338

 
30,994

Supply & Logistics:
 
 
 
 
 
 
 
 
 
 
 
 
 
Customer relationships
5
 
35,430

 
30,228

 
5,202

 
35,430

 
28,568

 
6,862

Intangibles associated with lease
15
 
13,260

 
3,512

 
9,748

 
13,260

 
3,039

 
10,221

Segment total
 
 
48,690

 
33,740

 
14,950

 
48,690

 
31,607

 
17,083

Marine contract intangibles
5
 
32,000

 
833

 
31,167

 

 

 

Other
5
 
22,797

 
8,452

 
14,345

 
21,356

 
6,505

 
14,851

Total
 
 
$
236,819

 
$
153,888

 
$
82,931

 
$
203,378

 
$
140,450

 
$
62,928


The licensing agreements referred to in the table above relate to the agreements we have with refiners to provide services. The supply and logistics lease relates to a terminal facility in Shreveport, Louisiana. The marine contract intangibles relate to the contracts we assumed in the purchase of the M/T American Phoenix in November 2014.
We are recording amortization of our intangible assets based on the period over which the asset is expected to contribute to our future cash flows. Generally, the contribution to our cash flows of the customer and supplier relationships, licensing agreements and trade name intangible assets is expected to decline over time, such that greater value is attributable to the periods shortly after the acquisition was made. The supply and logistics lease, marine contract, and other intangible assets are being amortized on a straight-line basis. Amortization expense on intangible assets was $13.4 million, $14.6 million and $19.9 million for the years ended December 31, 2014, 2013 and 2012, respectively.
The following table reflects our estimated amortization expense for each of the five subsequent fiscal years:
 
 
2015
 
2016
 
2017
 
2018
 
2019
Refinery Services:
 
 
 
 
 
 
 
 
 
Customer relationships
$
4,405

 
$
3,471

 
$
2,737

 
$
2,161

 
$

Licensing agreements
2,711

 
2,510

 
2,324

 
2,150

 

Supply and Logistics:
 
 
 
 
 
 
 
 
 
Customer relationships
1,275

 
981

 
757

 
586

 
454

Intangibles associated with lease
474

 
474

 
474

 
474

 
474

Marine contract intangibles
6,417

 
5,400

 
5,400

 
5,400

 
5,400

Other
2,057

 
2,025

 
2,006

 
2,006

 
2,006

Total
$
17,339

 
$
14,861

 
$
13,698

 
$
12,777

 
$
8,334



Goodwill
The carrying amount of goodwill by business segment at both December 31, 2014 and 2013 was $301.9 million in refinery services and $23.1 million in supply and logistics. We have not recognized any impairment losses related to goodwill for any of the periods presented.
Other Assets
Other assets consisted of the following:
 
December 31,
 
2014
 
2013
CO2 volumetric production payments, net of amortization
$
9,395

 
$
4,421

Deferred marine charges (1)
13,042

 
2,829

Other deferred costs and deposits
38,854

 
30,861

Other assets, net of amortization
$
61,291

 
$
38,111


(1)
See discussion of deferred charges on marine transportation assets in the Summary of Accounting Policies (Note 2)
The CO2 assets are being amortized on a units-of-production method. We recorded amortization of $4.2 million in 2014, $3.9 million in 2013 and $3.8 million in 2012.