Mortgage Loan On Real Estate (Changes In Mortgage Loans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Mortgage Loan On Real Estate [Abstract]
Balance at beginning of year	$ 165,000	$ 200,164	$ 185,000
New mortgage loans and additional advances on existing loans		7,836	15,164
Mortgage loans on real estate including additions during year	165,000	208,000	200,164
Collection of principal		(43,000)
Deductions during year		(43,000)
Balance at end of year	$ 165,000	$ 165,000	$ 200,164

Mortgage loans on real estate including additions during year.

No definition available.

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- Definition

Total carrying amount of mortgage loans as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-29.6)

-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule IV

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 29

-Article 12

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

-URI http://asc.fasb.org/extlink&oid=6882300&loc=d3e5864-122674

+ Details

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- Details

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- Definition

The amount of principal collected on mortgage loans on real estate during the reporting period.

+ References

+ Details

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- Definition

Total amount of new mortgage loans on real estate during the reporting period.

+ References

+ Details

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- Definition

The total periodic movement (increases and decreases) in the carrying amount of mortgage loans on real estate.

+ References

+ Details

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