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Goodwill And Other Intangible Assets (Summary of Core Deposit, Customer Relationship and Other Intangibles) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 69,722	$ 69,722
Accumulated Amortization	26,277	23,826
Net Carrying Value	43,445	45,896
Core Deposits [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	51,402	51,402
Accumulated Amortization	18,258	16,419
Net Carrying Value	33,144	34,983
Net Carrying Value	33,100	35,000
Customer Relationship [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	17,753	17,753
Accumulated Amortization	7,689	7,124
Net Carrying Value	10,064	10,629
Net Carrying Value	10,100	10,600
Other Intangible Assets [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	567	567
Accumulated Amortization	330	283
Net Carrying Value	$ 237	$ 284

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
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+ References

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-Publisher FASB
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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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