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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2014
Leases, Operating [Abstract]  
Operating Leases of Lessee Disclosure [Table Text Block]
2015
$
30,745

2016
24,739

2017
15,620

2018
10,827

2019
8,010

Thereafter
13,595

Total
$
103,536