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Derivative Instruments (Change In Fair Value Of Derivative Instruments) (Details) - Non-hedging interest rate derivatives: - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Other Assets | Other Income [Member]
Derivatives, Fair Value [Line Items]
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments	$ (2,879)	$ 7,101
Other Liabilities | Other Income [Member]
Derivatives, Fair Value [Line Items]
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments	2,879	(7,101)
Other Liabilities | Other Expense
Derivatives, Fair Value [Line Items]
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments	$ 58	$ 90

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- Definition

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 25
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=109977999&loc=d3e76258-113986

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- Definition

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+ References

No definition available.

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