Goodwill and Other Intangible Assets

(In Thousands)

The carrying amounts of goodwill by operating segments for the three months ended March 31, 2019 were as follows:



	Community Banks		Insurance		Total
Balance at January 1, 2019	$	930,161	$	2,767	$	932,928
Addition to goodwill from acquisition	43		—		43
Balance at March 31, 2019	$	930,204	$	2,767	$	932,971

The addition to goodwill from the Brand acquisition is due to changes in estimated values of assets acquired and liabilities assumed in the Brand acquisition. The Company is finalizing the fair values of certain assets, including loans, property and equipment, taxes and certain other assets, related to the acquisition; as such, the recorded balance of goodwill is subject to change.

The following table provides a summary of finite-lived intangible assets as of the dates presented:



	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
March 31, 2019
Core deposit intangibles	$	82,492	$	(40,711	)	$	41,781
Customer relationship intangible	1,970		(996		)	974
Total finite-lived intangible assets	$	84,462	$	(41,707	)	$	42,755
December 31, 2018
Core deposit intangibles	$	82,492	$	(38,634	)	$	43,858
Customer relationship intangible	1,970		(963		)	1,007
Total finite-lived intangible assets	$	84,462	$	(39,597	)	$	44,865

Current year amortization expense for finite-lived intangible assets is presented in the table below.



	Three Months Ended
	March 31,
	2019		2018
Amortization expense for:
Core deposit intangibles	$	2,077	$	1,618
Customer relationship intangible	33		33
Total intangible amortization	$	2,110	$	1,651

The estimated amortization expense of finite-lived intangible assets for the year ending December 31, 2019 and the succeeding four years is summarized as follows:



	Core Deposit Intangibles		Customer Relationship Intangible		Total

2019	$	7,965	$	131	$	8,096
2020	6,939		131		7,070
2021	5,860		131		5,991
2022	4,940		131		5,071
2023	4,044		131		4,175