Fair Value Of Financial Instruments (Reconciliation Of Fair Valued Assets Measured On A Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Collateralized debt obligations [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 9,447	$ 9,838
Included in earnings	0	(19)
Included in other comprehensive income	1,995	(372)
Ending Balance	11,442	9,447
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	(19)
Cash Flow Hedge [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	(1,034)	(832)
Included in earnings	0	0
Included in other comprehensive income	185	(202)
Ending Balance	(849)	(1,034)
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

Gains Or Losses Included In Earnings Attributable To The Change In Realized/ Unrealized Gains Or Losses

No definition available.

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- Definition

Amount of gain (loss) recognized in earnings, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3).

+ References

+ Details

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- Definition

Amount of gain (loss) recognized in other comprehensive income, arising from assets measured at fair value on a recurring basis using unobservable inputs (level 3).

+ References

+ Details

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- Definition

This element represents an asset measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances.

+ 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)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 32

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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