Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($)	3 Months Ended	12 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]
Core deposit, customer relationship and other intangibles	$ 43,445,000		$ 45,896,000
Goodwill	86,069,000		86,069,000
Goodwill change	0		0
Amortization of Intangible Assets	2,451,000	$ 2,791,000
Goodwill Impairment Loss	0		0
Banking Segment [Member]
Finite Lived Intangible Assets [Line Items]
Goodwill	84,100,000		84,100,000
Wealth Management [Member]
Finite Lived Intangible Assets [Line Items]
Goodwill	2,000,000.0		2,000,000.0
Core Deposits [Member]
Finite Lived Intangible Assets [Line Items]
Core deposit, customer relationship and other intangibles	33,100,000		35,000,000.0
Customer Relationship [Member]
Finite Lived Intangible Assets [Line Items]
Core deposit, customer relationship and other intangibles	10,100,000		10,600,000
Other Intangible Assets [Member] \| Scotiabank PR & USVI Acquisition [Member]
Finite Lived Intangible Assets [Line Items]
Core deposit, customer relationship and other intangibles	$ 237,000		$ 284,000

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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