Quarterly report pursuant to Section 13 or 15(d)

INTANGIBLE ASSETS AND DEFERRED CHARGES (Notes)

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INTANGIBLE ASSETS AND DEFERRED CHARGES (Notes)
3 Months Ended
Mar. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets, Policy [Policy Text Block]
INTANGIBLE ASSETS AND DEFERRED CHARGES
Deferred charges and intangible assets totaled $21,700,000 at March 31, 2017 and $20,708,000 at December 31, 2016. Accumulated amortization of deferred charges and intangible assets totaled $8,861,000 at March 31, 2017 and $8,253,000 at December 31, 2016. Estimated amortization expense for the next five years is: remainder of 2017 - $1,889,000; 2018 - $2,344,000; 2019 - $2,156,000; 2020 - $1,998,000; 2021 - $1,899,000; and thereafter - $2,553,000.