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Goodwill (Tables)
 12 Months Ended
Dec. 31, 2014
Goodwill Disclosure [Abstract]  
Changes In The Carrying Amounts Of Goodwill
The changes in the carrying amounts of goodwill were as follows (in thousands):
 
 
2014
 
2013
Balance as of January 1,
 
$
16,460

 
$
16,460

Goodwill from business acquisition
 
3,518

 
—

Balance as of December 31,
 
$
19,978

 
$
16,460