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Leases (Tables)
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12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Dec. 31, 2014
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| Leases [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Future Minimum Lease Payments For Operating And Capital Leases [Table Text Block] | Future minimum lease payments for operating and capital leases with initial or remaining non-cancelable lease terms in excess of one year as of December 31, 2014, were as follows:
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