GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2017

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, 2017							December 31, 2016
(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	$	39,688	$	(33,135	)	$	6,553	$	39,688	$	(32,581	)	$	7,107
Other intangibles		80,910		(11,472	)		69,438		17,853		(9,258	)		8,595
Total amortizing intangibles	$	120,598	$	(44,607	)	$	75,991	$	57,541	$	(41,839	)	$	15,702

Estimated Aggregate Amortization Expense

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

(000's omitted)
Apr - Dec 2017	$	10,496
2018		11,918
2019		9,886
2020		8,150
2021		7,119
Thereafter		28,422
Total	$	75,991

Components of Goodwill

Shown below are the components of the Company’s goodwill at December 31, 2016 and March 31, 2017:

(000’s omitted)	December 31, 2016			Activity		March 31, 2017
Goodwill	$	469,966		$	77,844	$	547,810
Accumulated impairment		(4,824	)		0		(4,824	)
Goodwill, net	$	465,142		$	77,844	$	542,986