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Goodwill and Other Intangible Assets
12 Months Ended
Dec. 31, 2016
Text Block [Abstract]  
Goodwill and Other Intangible Assets
GOODWILL AND OTHER INTANGIBLE ASSETS
The carrying value of goodwill as of December 31, 2016 and 2015 was as follows:
 
As of December 31,
(in thousands)
2016
 
2015
Regulated Energy
$
3,353

 
$
3,353

Unregulated Energy
11,717

 
11,195

Total
$
15,070

 
$
14,548


As of December 31, 2016, goodwill in our Regulated Energy segment is comprised of approximately $2.5 million from the FPU merger in October 2009, $170,000 from the purchase of operating assets from IGC in August 2010 and $714,000 from the purchase of Fort Meade in December 2013. As of December 31, 2016, goodwill in our Unregulated Energy segment is comprised of $10.1 million from the acquisition of Gatherco in April 2015 and $1.6 million from the acquisition of the operating assets of several companies. The annual impairment testing for 2016 indicated no impairment of goodwill.
The carrying value and accumulated amortization of intangible assets subject to amortization as of December 31, 2016 and 2015 are as follows:
 
As of December 31,
 
2016
 
2015
(in thousands)
Gross
Carrying
Amount
 
Accumulated
Amortization
 
Gross
Carrying
Amount
 
Accumulated
Amortization
Customer lists
$
4,012

 
$
2,379

 
$
4,012

 
$
2,048

Non-Compete agreements
270

 
146

 
270

 
103

Other
270

 
184

 
270

 
179

Total
$
4,552

 
$
2,709

 
$
4,552

 
$
2,330


The customer lists acquired in the purchases of the operating assets of several companies are being amortized over seven to 12 years. The non-compete agreements acquired in the purchase of the operating assets of several companies are being amortized over a six-year or seven-year period. The other intangible assets consist of acquisition costs from our propane distribution acquisitions in the late 1980s and 1990s and are being amortized over 40 years.
For the years ended December 31, 2016, 2015 and 2014, amortization expense of intangible assets was $380,000, $367,000, and $396,000, respectively. Amortization expense of intangible assets is expected to be $366,000 for 2017, $353,000 for 2018, $353,000 for 2019, $353,000 for 2020 and $288,000 for 2021.