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Goodwill and Other Intangible Assets
9 Months Ended
Sep. 30, 2019
Goodwill and Other Intangible Assets  
Goodwill and Other Intangible Assets

Note 17—Goodwill and Other Intangible Assets

The carrying amount of goodwill was $1.0 billion at September 30, 2019. Our other intangible assets, consisting of core deposit intangibles, noncompete intangibles, and client list intangibles are included on the face of the

balance sheet. The following is a summary of gross carrying amounts and accumulated amortization of other intangible assets:

September 30,

December 31,

September 30,

(Dollars in thousands)

    

2019

    

2018

    

2018

 

Gross carrying amount

$

119,501

$

121,736

$

121,736

Accumulated amortization

 

(66,418)

 

(58,836)

 

(55,299)

$

53,083

$

62,900

$

66,437

Amortization expense totaled $3.3 million and $9.8 million for the three and nine months ended September 30, 2019, respectively, compared to $3.5 million and $10.7 million for the three and nine months ended September 30, 2018, respectively.  Other intangibles are amortized using either the straight-line method or an accelerated basis over their estimated useful lives, with lives generally between two and 15 years.  Estimated amortization expense for other intangibles for each of the next five quarters is as follows:

(Dollars in thousands)

Quarter ending:

    

    

 

December 31, 2019

$

3,267

March 31, 2020

 

3,007

June 30, 2020

 

2,995

September 30, 2020

 

2,945

December 31, 2020

2,921

Thereafter

 

37,948

$

53,083