Goodwill and Other Intangible Assets

A summary of the Company’s goodwill assets by business segment is presented in the following table:



(Dollars in thousands)	January 1, 2018		Goodwill Acquired		Impairment Loss		Goodwill Adjustments			December 31, 2018
Community banking	$	429,520	$	35,565	$	—	$	—		$	465,085
Specialty finance	40,250		—		—		(1,907		)	38,343
Wealth management	32,114		37,599		—		—			69,713
Total	$	501,884	$	73,164	$	—	$	(1,907	)	$	573,141

The community banking segment's goodwill increased $35.6 million in 2018 as a result of the acquisition of CSC and Veterans First. The specialty finance segment's goodwill decreased $1.9 million in 2018 as a result of foreign currency translation adjustments related to the Canadian acquisitions. The wealth management segment's goodwill increased $37.6 million in 2018 as a result of the acquisition of CDEC.

A summary of finite-lived intangible assets as of the dates shown and the expected amortization as of December 31, 2018 is as follows:



	December 31,
(Dollars in thousands)	2018			2017
Community banking segment:
Core deposit and other intangibles:
Gross carrying amount	$	55,366		$	37,272
Accumulated amortization	(29,406		)	(25,427		)
Net carrying amount	$	25,960		$	11,845
Trademark with indefinite lives:
Carrying amount	5,800			—
Total net carrying amount	$	31,760		$	11,845
Specialty finance segment:
Customer list intangibles:
Gross carrying amount	$	1,958		$	1,972
Accumulated amortization	(1,436		)	(1,298		)
Net carrying amount	$	522		$	674
Wealth management segment:
Customer list and other intangibles:
Gross carrying amount	$	20,430		$	7,940
Accumulated amortization	(3,288		)	(2,838		)
Net carrying amount	$	17,142		$	5,102
Total other intangible assets, net	$	49,424		$	17,621



Estimated amortization for the year-ended:
2019	$	11,342
2020	9,582
2021	6,385
2022	4,957
2023	3,621

The core deposit intangibles recognized in connection with prior bank acquisitions are amortized over a ten-year period on an accelerated basis. The customer list intangibles recognized in connection with the purchase of life insurance premium finance assets in 2009 are being amortized over an 18-year period on an accelerated basis while the customer list intangibles recognized

in connection with prior acquisitions within the wealth management segment are being amortized over a period of up to ten-years on a straight-line basis.

Total amortization expense associated with finite-lived intangibles in 2018, 2017 and 2016 was $4.6 million, $4.4 million and $4.8 million, respectively.