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Goodwill (Tables)
6 Months Ended
Jun. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
changes in the carrying amount of goodwill for the periods ended June 30, 2015 and December 31, 2014
Balance as of January 1, 2014
$
4,687

Changes in goodwill during the year

Balance as of December 31, 2014
4,687

Changes in goodwill during the period

Balance as of June 30, 2015
$
4,687