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Depreciation, Amortization and Accretion
 9 Months Ended
Sep. 30, 2014
Depreciation, Amortization And Accretion [Abstract]  
Depreciation, Amortization and Accretion
Depreciation, Amortization and Accretion — The total depreciation, amortization and accretion expenses related primarily to property and equipment, amortizable intangible assets, and asset retirement obligations for the three months ended September 30, 2014 and 2013 were $4.2 million and $3.9 million, respectively; and for the nine months ended September 30, 2014 and 2013 were $12.6 million and $11.5 million, respectively. The consolidated balances consisted of the following for the periods stated:
 

For the Three Months Ended September 30,
 
For the Nine Months Ended September 30,
 

2014
 
2013
 
2014
 
2013
 

(Dollars in thousands)
Depreciation

$
2,555

 
$
2,451

 
$
7,846

 
$
7,278

Amortization

1,503

 
1,252

 
4,218

 
3,749

Accretion

189

 
155

 
564

 
460

Total depreciation, amortization and accretion

$
4,247

 
$
3,858

 
$
12,628

 
$
11,487