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Goodwill and Other Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2022
Goodwill and Other Intangible Assets  
Summary of gross carrying amounts and accumulated amortization of other intangible assets

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September 30,

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December 31,

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(Dollars in thousands)

    

2022

    

2021

    

Gross carrying amount

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$

279,884

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$

257,874

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Accumulated amortization

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(154,494)

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(129,807)

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​

​

$

125,390

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$

128,067

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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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December 31, 2022

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$

8,027

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March 31, 2023

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7,299

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June 30, 2023

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7,028

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September 30, 2023

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6,616

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December 31, 2023

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​

6,615

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Thereafter

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82,824

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$

118,409

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