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Goodwill and Intangible Assets
6 Months Ended
Jun. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
3. Goodwill and Intangible Assets
Goodwill represents the excess of the purchase price of all acquisitions over the estimated fair value of the net assets acquired. The Company evaluates goodwill and intangible assets for impairment at least annually or more frequently whenever events or changes in circumstances indicate that the asset may be impaired, or in the case of goodwill, the fair value of the reporting unit is below its carrying amount. The analysis of potential impairment of goodwill requires a two-step approach that begins with the estimation of the fair value at the reporting unit level. The Company has four reporting units for its three operating segments: one reporting unit for its TL segment; one reporting unit for its LTL segment; and two reporting units for its Global Solutions segment.
For purposes of the impairment analysis, the fair value of the Company's reporting units is estimated based upon an average of an income fair value approach and a market fair value approach, both of which incorporate numerous assumptions and estimates such as company forecasts, discount rates, and growth rates, among others. The determination of fair value requires considerable judgment and is highly sensitive to changes in the underlying assumptions. The Company completed the annual impairment analysis as of July 1, 2015, and determined no impairment had occurred.
A decline in TL and LTL revenues due to lower freight volumes and pricing, as well as operating cost increases in both reporting units due to higher insurance claims, independent contractor termination costs, and excess capacity during the quarter ended June 30, 2016, resulted in operating performance that fell below the projections used by the Company in its interim goodwill impairment assessments performed as of September 30, 2015 for the Company's LTL reporting unit and as of March 31, 2016 for the Company's TL reporting unit, which indicated that the fair value exceeded the carrying value by approximately 65% and 87% for the LTL and TL reporting units, respectively. Accordingly, the Company is required to perform an interim goodwill impairment analysis of its TL and LTL reporting units as of June 30, 2016. Due to the significant effort that is required to determine the implied fair value of reporting units' goodwill, through assessing growth, operating margin, and discount rate assumptions, as well as the lack of updated market data, the Company has not completed this interim goodwill impairment analysis and will complete the analysis during the third quarter of 2016.
As indicated in Note 1, in connection with the change in reportable segments, the Company reallocated goodwill of $77.5 million between the TL and Global Solutions segments as of December 31, 2015. The following is a rollforward of goodwill from December 31, 2015 to June 30, 2016 by reportable segment (in thousands):
 
TL
 
LTL
 
Global Solutions
 
Total
Goodwill balance as of December 31, 2015
$
262,870

 
$
197,312

 
$
230,936

 
$
691,118

Adjustments to goodwill for purchase accounting
569

 

 

 
569

Goodwill balance as of June 30, 2016
$
263,439

 
$
197,312

 
$
230,936

 
$
691,687


Intangible assets consist primarily of customer relationships acquired from business acquisitions. As indicated in Note 1, in connection with the change in reportable segments, the Company reallocated net intangible assets of $2.7 million between the TL and Global Solutions segments as of December 31, 2015. Intangible assets as of June 30, 2016 and December 31, 2015 were as follows (in thousands):
 
June 30, 2016
 
December 31, 2015
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Value
 
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Value
TL
$
58,468

 
$
(12,121
)
 
$
46,347

 
$
58,468

 
$
(9,714
)
 
$
48,754

LTL
1,358

 
(1,050
)
 
308

 
1,358

 
(1,017
)
 
341

Global Solutions
38,427

 
(12,675
)
 
25,752

 
38,427

 
(10,828
)
 
27,599

Total
$
98,253

 
$
(25,846
)
 
$
72,407

 
$
98,253

 
$
(21,559
)
 
$
76,694


The customer relationships intangible assets are amortized over their estimated five to 12 year useful lives. Amortization expense was $2.1 million and $2.0 million for the three months ended June 30, 2016 and 2015, respectively. Amortization expense was $4.3 million and $4.1 million for the six months ended June 30, 2016 and 2015, respectively. Estimated amortization expense for each of the next five years based on intangible assets as of June 30, 2016 is as follows (in thousands):
Remainder 2016
$
4,335

2017
8,557

2018
8,293

2019
7,990

2020
7,617

2021
7,435

Thereafter
28,180

Total
$
72,407