GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS

12 Months Ended

Dec. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS

GOODWILL AND OTHER INTANGIBLE ASSETS     

The following table sets forth the carrying value of goodwill and other intangible assets, net of accumulated amortization, at December 31:

	2018		2017
	(Dollars in thousands)
Balances not subject to amortization
Goodwill	$	256,105	$	231,806
Balances subject to amortization
Core deposit intangibles	13,692		8,636
Other intangible assets	1,558		705
Total other intangible assets	15,250		9,341
Total goodwill and other intangible assets	$	271,355	$	241,147

 

The changes in the carrying value of goodwill for the periods indicated were as follows:

	2018		2017
	(Dollars in thousands)
Balance at beginning of year	$	231,806	$	221,526
Acquisitions	24,299		10,280
Balance at end of year	$	256,105	$	231,806

The gross carrying amount and accumulated amortization of other intangible assets were as follows at the dates indicated:

	December 31
	2018							2017
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
	(Dollars in thousands)
Core deposit intangibles	$	34,137	$	(20,445	)	$	13,692	$	26,736	$	(18,100	)	$	8,636
Other intangible assets	3,103		(1,545		)	1,558		3,165		(2,460		)	705
Total	$	37,240	$	(21,990	)	$	15,250	$	29,901	$	(20,560	)	$	9,341

 

Amortization of intangible assets was $2.7 million, $3.5 million , and $2.8 million at December 31, 2018, 2017, and 2016, respectively.

The following table sets forth the estimated annual amortization expense of intangible assets for each of the next five years:

Year	Amount
	(Dollars in thousands)
2019	$	3,050
2020	$	2,647
2021	$	2,394
2022	$	1,962
2023	$	1,697

The original weighted average amortization period for intangible assets is 10.0 years.