Intangible Assets (Tables)  | 
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| Goodwill and Intangible Assets Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Finite-Lived Intangible Assets [Table Text Block] | 
 The following table summarizes by category the gross carrying value and accumulated amortization of intangible assets (in thousands):  
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- References No definition available. 
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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