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GOODWILL AND OTHER INTANGIBLE ASSETS
 3 Months Ended
Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
GOODWILL AND OTHER INTANGIBLE ASSETS GOODWILL AND OTHER INTANGIBLE ASSETS
The gross carrying amounts and accumulated amortization of intangible assets and goodwill are presented at the dates indicated in the following table:
 March 31, 2021Weighted
Average
Remaining
Life		December 31, 2020Weighted
Average
Remaining
Life
(Dollars in thousands)Gross
Carrying
Amount		Accumulated
Amortization		Net
Carrying
Amount		Gross
Carrying
Amount		Accumulated
Amortization		Net
Carrying
Amount
Amortizing intangible assets:        
Core deposit intangibles$29,038 $(9,169)$19,869 8.2 years$29,038 $(7,969)$21,069 8.4 years
Other identifiable intangibles13,906 (2,951)10,955 10.5 years13,906 (2,454)11,452 10.7 years
Total amortizing intangible assets$42,944 $(12,120)$30,824 $42,944 $(10,423)$32,521 
Goodwill$370,223 $370,223 $370,223 $370,223 

The amount of goodwill by reportable segment is presented in the following table:
(In thousands)Community
Banking		InsuranceInvestment
Management		Total
Balances at December 31, 2020$331,688 $6,788 $31,747 $370,223 
No Activity— — — — 
Balances at March 31, 2021$331,688 $6,788 $31,747 $370,223 
 
The following table presents the estimated future amortization expense for amortizing intangible assets within the years ending December 31:
(In thousands)Amount
Remaining 2021$4,903 
20225,844 
20235,089 
20244,333 
20253,567 
Thereafter7,088 
Total amortizing intangible assets$30,824