GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2023

GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS

Schedule of gross carrying amount and accumulated amortization for each type of identifiable intangible asset

	December 31, 2023						December 31, 2022
	Gross				Net		Gross				Net
	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
(000’s omitted)	Amount		Amortization		Amount		Amount		Amortization		Amount
Amortizing intangible assets:
Core deposit intangibles	$	77,373	$	(69,214)	$	8,159	$	77,373	$	(65,069)	$	12,304
Other intangibles		125,919		(81,487)		44,432		119,813		(71,121)		48,692
Total amortizing intangibles	$	203,292	$	(150,701)	$	52,591	$	197,186	$	(136,190)	$	60,996

Schedule of estimated aggregate amortization expense for each of five succeeding fiscal years

The estimated aggregate amortization expense of other intangibles for each of the five succeeding fiscal years ended December 31 is as follows (000’s omitted):

Year	Amount
2024	$	12,856
2025		10,969
2026		9,662
2027		4,079
2028		3,011
Thereafter		12,014
Total	$	52,591

Schedule of components of goodwill

		December 31,			December 31,				December 31,
(000’s omitted)		2021	Additions		2022		Additions		2023
Goodwill	$	799,109	$	42,732	$	841,841	$	3,555	$	845,396