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Goodwill
6 Months Ended
Jun. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill
Goodwill        
 
The following table shows the changes in the carrying amount of goodwill for the periods ended June 30, 2016 and December 31, 2015
Balance as of January 1, 2015
$
4,687

Changes in goodwill during the year

Balance as of December 31, 2015
4,687

Changes in goodwill during the period

Balance as of June 30, 2016
$
4,687


 
Goodwill is tested for impairment on an annual basis as of August 31, or whenever events or changes in circumstances indicate the carrying amount of goodwill exceeds its implied fair value. No events or changes in circumstances have occurred since the August 31, 2015 annual impairment test that would suggest it was more likely than not goodwill impairment existed.