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Investments Equity Method Investments (Tables)
6 Months Ended
Jun. 30, 2018
Schedule of Equity Method Investments [Line Items]  
Equity Method Investments [Table Text Block]
The following table discloses the carrying amount for the Company’s equity method investment (in thousands):
 
June 30, 2018
 
December 31, 2017
Equity securities
$
17,748

 
$