GOODWILL AND OTHER INTANGIBLES (Tables)

9 Months Ended

Sep. 30, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Gross Amount and Accumulated Amortization of Other Intangible Assets [Table Text Block]

The following table shows the gross amount and accumulated amortization of the Corporation’s intangible assets as of the indicated dates:

	Quarter Ended September 30, 2020								Quarter Ended September 30, 2019
	Core deposit intangible		Purchased credit relationship intangible		Insurance customer relationship intangible		Total		Core deposit intangible		Purchased credit relationship intangible		Insurance customer relationship intangible		Total
(Dollars in thousands)
Gross amount of intangible assets:
Beginning balance	$	51,664	$	24,465	$	1,067	$	77,196	$	51,664	$	24,465	$	1,067	$	77,196
Additions due to acquisitions		35,432		3,800		-		39,232		-		-		-		-
Ending Balance		87,096		28,265		1,067		116,428		51,664		24,465		1,067		77,196
Accumulated amortization:
Beginning balance		(48,578)		(21,797)		(673)		(71,048)		(47,762)		(19,806)		(521)		(68,089)
Amortization		(769)		(679)		(39)		(1,487)		(207)		(522)		(38)		(767)
Ending balance		(49,347)		(22,476)		(712)		(72,535)		(47,969)		(20,328)		(559)		(68,856)
Net intangible assets	$	37,749	$	5,789	$	355	$	43,893	$	3,695	$	4,137	$	508	$	8,340
	Nine-Month Period Ended September 30, 2020								Nine-Month Period Ended September 30, 2019
	Core deposit intangible		Purchased credit relationship intangible		Insurance customer relationship intangible		Total		Core deposit intangible		Purchased credit relationship intangible		Insurance customer relationship intangible		Total

(Dollars in thousands)
Gross amount of intangible assets:
Beginning balance	$	51,664	$	24,465	$	1,067	$	77,196	$	51,664	$	24,465	$	1,067	$	77,196
Additions due to acquisitions		35,432		3,800		-		39,232		-		-		-		-
Ending Balance		87,096		28,265		1,067		116,428		51,664		24,465		1,067		77,196
Accumulated amortization:
Beginning balance		(48,176)		(20,850)		(597)		(69,623)		(47,329)		(18,763)		(445)		(66,537)
Amortization		(1,171)		(1,626)		(115)		(2,912)		(640)		(1,565)		(114)		(2,319)
Ending balance		(49,347)		(22,476)		(712)		(72,535)		(47,969)		(20,328)		(559)		(68,856)
Net intangible assets	$	37,749	$	5,789	$	355	$	43,893	$	3,695	$	4,137	$	508	$	8,340

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

The estimated aggregate annual amortization expense related to the intangible assets for future periods was as follows as of September 30, 2020:
			Amount
			(In thousands)
	2020	$	3,001
	2021		11,293
	2022		8,731
	2023		7,651
	2024		6,418
	2025 and after		6,799