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Goodwill and Intangible Assets (Tables)
3 Months Ended
Mar. 31, 2014
Goodwill and Intangible Assets [Abstract]  
Components of Intangible Assets
The weighted average useful life, gross carrying amount, and accumulated amortization of our intangible assets were as follows (dollars in thousands):
 
March 31, 2014
 
December 31, 2013
 
Weighted Average Remaining Useful Life (in Years)
 
Gross 
Carrying
Amount
 
Accumulated
Amortization
 
Weighted Average Remaining Useful Life (in Years)
 
Gross 
Carrying
Amount
 
Accumulated
Amortization
Customer relationships
15.0
 
$
306,361

 
$
21,604

 
15.4
 
$
306,361

 
$
16,509

Trademarks and trade names
14.3
 
21,370

 
1,334

 
14.7
 
21,370

 
794

Other
2.9
 
220

 
122

 
3.0
 
220

 
109

Total intangible assets (excluding goodwill)
15.0
 
$
327,951

 
$
23,060

 
15.4
 
$
327,951

 
$
17,412