Fair Value (Reconciliation Of Level 3 Input For Financial Instruments Measured On Recurring Basis) (Details) (Level 3 [Member], Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Other Equity Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning	$ 776	$ 756	$ 780	$ 763
Included in earnings - unrealized	0	0	0	0
Included in other comprehensive income	19	(18)	15	(25)
Periodic, sales, issuances and settlements, other	0	0	0	0
Periodic settlement of fair value swap	0	0	0	0
Balance, ending	795	738	795	738
Fair Value Swap [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, at January 1, 2012	(135)	(135)	(135)	(700)
Included in earnings - unrealized	0	0	0	0
Included in other comprehensive income	0	0	0
Purchases, sales, issuances and settlements, other	0	0	0	0
Periodic settlement of fair value swap	0	0	0	565
Balance at June 30, 2012	$ (135)	$ (135)	$ (135)	$ (135)

Fair Value (Reconciliation Of Level 3 Input For Financial Instruments Measured On Recurring Basis) (Details) (Level 3 [Member], Fair Value, Measurements, Recurring [Member], USD $)
In Thousands, unless otherwise specified

3 Months Ended

6 Months Ended

Jun. 30, 2013

Jun. 30, 2012

Jun. 30, 2013

Jun. 30, 2012

Other Equity Securities [Member]

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]

Balance, beginning

$ 776

$ 756

$ 780

$ 763

Included in earnings - unrealized

Included in other comprehensive income

(18)

(25)

Periodic, sales, issuances and settlements, other

Periodic settlement of fair value swap

Balance, ending

795

738

795

738

Fair Value Swap [Member]

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]

Balance, at January 1, 2012

(135)

(700)

Included in earnings - unrealized

Included in other comprehensive income

Purchases, sales, issuances and settlements, other

Periodic settlement of fair value swap

565

Balance at June 30, 2012

$ (135)

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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.

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-Name Accounting Standards Codification

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