Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Summary Of Intangible Assets and Accumulated Amortization Included In The Consolidated Statements of Condition

The following is a summary of other intangible assets included in the Consolidated Condensed Statements of Condition:

	March 31, 2020							December 31, 2019
(Dollars in thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Value		Gross Carrying Amount		Accumulated Amortization			Net Carrying Value
Core deposit intangibles	$	157,150	$	(51,966	)	$	105,184	$	157,150	$	(47,372	)	$	109,778
Customer relationships (a)	23,000		(5,734		)	17,266		77,865		(60,150		)	17,715
Other (b)	5,622		(3,180		)	2,442		5,622		(2,915		)	2,707
Total	$	185,772	$	(60,880	)	$	124,892	$	240,637	$	(110,437	)	$	130,200

(a) 2020 decrease in gross carrying amounts and accumulated amortization associated with $54.9 million of customer relationships fully amortized at December 31, 2019.

(b)

Balance primarily includes noncompete covenants, as well as $.3 million related to state banking licenses not subject to amortization.

Schedule of Estimated Aggregate Amortization Expense for Intangible Assets

As of March 31, 2020 the estimated aggregated amortization expense is expected to be:

(Dollars in thousands)
Year	Amortization
Remainder of 2020	$	15,852
2021	19,547
2022	17,412
2023	16,117
2024	14,679
2025	12,580

Summary Of Gross Goodwill And Accumulated Impairment Losses And Write-Offs Detailed By Reportable Segments

The following is a summary of goodwill by reportable segment included in the Consolidated Condensed Statements of Condition as of March 31, 2020 and December 31, 2019.

(Dollars in thousands)	Regional Banking		Fixed Income		Total
December 31, 2018	$	1,289,819	$	142,968	$	1,432,787
Additions	—		—		—
March 31, 2019	$	1,289,819	$	142,968	$	1,432,787
December 31, 2019	$	1,289,819	$	142,968	$	1,432,787
Additions	—		—		—
March 31, 2020	$	1,289,819	$	142,968	$	1,432,787