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Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2020

NOTE 8 Goodwill and Other Intangible Assets

As of December 31, 2020 and 2019, goodwill totaled $30.2 million and $27.3 million, respectively.

The following table summarizes the carrying amounts of goodwill, by segment, as of December 31, 2020 and 2019:


	December 31,		December 31,
(dollars in thousands)	2020		2019
Banking	$	20,131	$	20,131
Retirement and benefit services		10,070		7,198
Total goodwill	$	30,201	$	27,329

The gross carrying amount and accumulated amortization for each type of identifiable intangible asset are as follows:


	December 31, 2020						December 31, 2019
(dollars in thousands)	Gross Carrying Amount		Accumulated Amortization		Total		Gross Carrying Amount		Accumulated Amortization		Total
Identifiable customer intangibles	$	43,346	$	(17,490)	$	25,856	$	31,857	$	(14,287)	$	17,570
Core deposit intangible assets		3,793		(3,730)		63		4,993		(4,172)		821
Total intangible assets	$	47,139	$	(21,220)	$	25,919	$	36,850	$	(18,459)	$	18,391

Aggregate amortization expense for the years ended December 31, 2020, 2019, and 2018 was $4.0 million, $4.1 million, and $4.6 million, respectively.

Estimated aggregate amortization expense for future years is as follows: