Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill

(in thousands)	Banking		Insurance			Wealth Management		Total
Balance at January 1, 2016	$	64,369	$	19,212		$	8,211	$	91,792
Goodwill related to sale of portion of business unit1	0		(318		)	0		(318		)
Balance at December 31, 2016	$	64,369	$	20,043		$	8,211	$	92,623
Goodwill related to sale of portion of business unit1	0		(332		)	0		(332		)
Balance at December 31, 2017	$	64,369	$	19,711		$	8,211	$	92,291

¹ The $332,000 and $318,000 reduction of goodwill in 2017 and 2016, respectively, reflects an adjustment related to the sale of a portion of insurance revenues. In 2016 and 2017, Tompkins Insurance sold a portion of its personal lines insurance revenues, which had been acquired in a previous acquisition, to a third party.

Schedule of amortizing intangible assets

The following table provides information regarding the Company's amortizing intangible assets:

December 31, 2017	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
(in thousands)
Amortized intangible assets:
Core deposit intangible	$	18,774	$	14,302	$	4,472
Customer relationships	8,878		5,339		3,539
Other intangibles	5,776		4,524		1,252
Total intangible assets	$	33,428	$	24,165	$	9,263

December 31, 2016	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
(in thousands)
Amortized intangible assets:
Core deposit intangible	$	18,774	$	13,129	$	5,645
Customer relationships	8,942		4,737		4,205
Other intangibles	5,744		4,245		1,499
Total intangible assets	$	33,460	$	22,111	$	11,349

Schedule of estimated amortization expense

The estimated aggregate future amortization expense for intangible assets remaining as of December 31, 2017 is as follows:

Estimated amortization expense:*
(in thousands)
For the year ended December 31, 2018	$	1,796
For the year ended December 31, 2019	1,671
For the year ended December 31, 2020	1,472
For the year ended December 31, 2021	1,307
For the year ended December 31, 2022	864

*Excludes the amortization of mortgage servicing rights.  Amortization of mortgage servicing rights was $122,000 in 2017, $157,000 in 2016 and $146,000 in 2015.