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Fair Value of Financial Instruments (Reconciliation Of Fair Valued Assets Measured On A Recurring Basis) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Collateralized debt obligations [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Asset beginning balance	$ 22,211	$ 25,339
Included in earnings	0	818
Included in other comprehensive income	(1,957)	(3,946)
Asset ending balance	20,254	22,211
The amount of total gains or losses for the period included in earnings attributable to the change in realized/unrealized gains or losses related to assets still held at the reporting date	0	0
Cash Flow Hedge [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Liability Beginning balance	(66)	(199)
Included in earnings	0	0
Included in other comprehensive income	66	133
Liability ending balance	0	(66)
The amount of total gains or losses for the period included in earnings attributable to the change in realized/unrealized gains or losses related to assets still held at the reporting date	$ 0	$ 0

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- Definition

Information on the investment portfolio for gains or losses and the unrealized portion of gains or losses in the portfolio.

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Amount of gain (loss) recognized in the income statement for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
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Amount of gain (loss) recognized in other comprehensive income (loss) for financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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+ References

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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