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Goodwill and Other Intangible Assets (Tables)
6 Months Ended
Jun. 30, 2019
Goodwill and Other Intangible Assets  
Summary of gross carrying amounts and accumulated amortization of other intangible assets

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June 30,

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December 31,

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June 30,

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(Dollars in thousands)

    

2019

    

2018

    

2018

 

Gross carrying amount

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$

119,501

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$

121,736

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$

121,736

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Accumulated amortization

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(63,150)

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(58,836)

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(51,761)

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$

56,351

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$

62,900

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$

69,975

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Schedule of estimated amortization expense for other intangibles for each of the next five quarters

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(Dollars in thousands)

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Quarter ending:

    

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September 30, 2019

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$

3,268

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December 31, 2019

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3,267

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March 31, 2020

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3,007

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June 30, 2020

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2,995

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September 30, 2020

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​

2,945

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Thereafter

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40,869

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$

56,351

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