GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2019

GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS [Abstract]

Gross Carrying Amount and Accumulated Amortization of Identifiable Intangible Assets

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

	March 31, 2019							December 31, 2018
(000's omitted)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Amortizing intangible assets:
Core deposit intangibles	$	62,902	$	(45,789	)	$	17,113	$	62,902	$	(44,306	)	$	18,596
Other intangibles		88,816		(35,013	)		53,803		87,616		(32,366	)		55,250
Total amortizing intangibles	$	151,718	$	(80,802	)	$	70,916	$	150,518	$	(76,672	)	$	73,846

Estimated Aggregate Amortization Expense for Each of Five Succeeding Fiscal Years

The estimated aggregate amortization expense for each of the five succeeding fiscal years ended December 31 is as follows:

(000's omitted)
Apr - Dec 2019	$	11,433
2020		12,956
2021		11,053
2022		9,483
2023		7,947
Thereafter		18,044
Total	$	70,916

Components of Goodwill

Shown below are the components of the Company’s goodwill at December 31, 2018 and March 31, 2019:

(000’s omitted)	December 31, 2018			Activity		March 31, 2019
Goodwill	$	738,327		$	0	$	738,327
Accumulated impairment		(4,824	)		0		(4,824	)
Goodwill, net	$	733,503		$	0	$	733,503