Actual Loss Severities Percentage on Mortgage Repurchase Requests

No definition available.

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- Definition

Incurred but not reported percentage of liability reserves

+ References

No definition available.

+ Details

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- Definition

Maximum product warranty in years

+ References

No definition available.

+ Details

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- Definition

Percentage of loan origination repurchase requests in which Company is able to cure or refute the claim

+ References

No definition available.

+ Details

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- Definition

Principal amount of special assessment bonds repurchased prior to maturity.

+ References

No definition available.

+ Details

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- Definition

Principal amount of mortgage loans Company sold in a residential mortgage backed securities transaction that is currently associated with a lawsuit in which the bank the Company sold the loans to has been named a defendant.

+ References

No definition available.

+ Details

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- Definition

Surety Bonds Outstanding

+ References

No definition available.

+ Details

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- Details

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Details

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- Definition

The total amount of pending claims pertaining to a loss contingency accrual as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9, 10, 11, 12

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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- Definition

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

+ 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 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

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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule IV

-Article 5

+ Details

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- Definition

Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.24)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Commitments and Contingencies (Narrative) (Details) (USD $)	3 Months Ended	24 Months Ended
	Mar. 31, 2013	Dec. 31, 2007	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]
Total Mortgage Loans Originated		$ 39,500,000,000
Percentage of loan origination repurchase requests in which Company is able to cure or refute the claim	60.00%
Actual Loss Severities Percentage on Mortgage Repurchase Requests	50.00%
Loss Contingencies [Line Items]
Maximum product warranty in years	10 years
Aggregate Principal Balance of Community Development District Obligations Repurchased	0
Letters of Credit Outstanding, Amount	172,700,000		179,200,000
Surety Bonds Outstanding	1,000,000,000		1,000,000,000
Number of self-insurance claims managed at any one time	1,000
Self-insurance liabilities	717,024,000		721,284,000	736,130,000	739,029,000
Incurred but not reported percentage of liability reserves	74.00%
Residential mortgage backed securities known [Member]
Loss Contingencies [Line Items]
Residential mortgage-backed securities principal sold in previous period	162,000,000
Residential mortgage backed securities other [Member]
Loss Contingencies [Line Items]
Residential mortgage-backed securities principal sold in previous period	$ 116,000,000