Goodwill And Other Intangible Assets (Summary of Intangible Assets) (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019	Jun. 30, 2019
Intangibles with finite lives
Accumulated amortization	$ (42,027)	$ (36,344)	$ (40,029)
Intangibles with indefinite lives
Gross carrying amount	83,395	83,401	86,617
Total net carrying amount	41,368	47,057	46,588
Community banking
Intangibles with indefinite lives
Total net carrying amount	31,333	34,680	31,571
Trademark \| Community banking
Intangibles with indefinite lives
Carrying amount	5,800	5,800	5,800
Core deposit intangibles \| Community banking
Intangibles with finite lives
Gross carrying amount	55,206	55,206	58,423
Accumulated amortization	(29,673)	(26,326)	(32,652)
Net carrying amount	25,533	28,880	25,771
Customer list intangibles \| Specialty finance
Intangibles with finite lives
Gross carrying amount	1,959	1,965	1,964
Accumulated amortization	(1,602)	(1,552)	(1,500)
Net carrying amount	357	413	464
Customer list and other intangibles \| Wealth management
Intangibles with finite lives
Gross carrying amount	20,430	20,430	20,430
Accumulated amortization	(10,752)	(8,466)	(5,877)
Net carrying amount	$ 9,678	$ 11,964	$ 14,553

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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