GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2020

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, 2020							December 31, 2019
(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	$	66,475	$	(51,474	)	$	15,001	$	66,475	$	(50,057	)	$	16,418
Other intangibles		89,266		(44,821	)		44,445		89,266		(42,571	)		46,695
Total amortizing intangibles	$	155,741	$	(96,295	)	$	59,446	$	155,741	$	(92,628	)	$	63,113

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 2020	$	10,133
2021		11,786
2022		10,105
2023		8,457
2024		7,041
Thereafter		11,924
Total	$	59,446

Components of Goodwill

Shown below are the components of the Company’s goodwill at December 31, 2019 and March 31, 2020:

(000’s omitted)	December 31, 2019			Activity			March 31, 2020
Goodwill	$	778,634		$	(337	)	$	778,297
Accumulated impairment		(4,824	)		0			(4,824	)
Goodwill, net	$	773,810		$	(337	)	$	773,473