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Commitments and Contingencies (Narrative) (Details) (USD $) | 3 Months Ended | 9 Months Ended | 24 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 claim | Sep. 30, 2014 claim | Dec. 31, 2007 | Jun. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Dec. 31, 2012 | Dec. 31, 2011 Residential mortgage backed securities known [Member] transaction | Sep. 30, 2014 Residential mortgage backed securities other [Member] transaction | Sep. 30, 2014 Letter of Credit [Member] | Dec. 31, 2013 Letter of Credit [Member]
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 Contingency Accrual, Period Increase (Decrease) |  | 18,600,000 |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Pending Claims, Number | 1,000 | 1,000 |  |  |  |  |  |  |  |  |  |
Residential Mortgage-backed Securities Transactions |  |  |  |  |  |  |  |  | 2 | 6 |  |
Residential mortgage-backed securities principal sold in previous period |  |  |  |  |  |  |  |  | 162,000,000 | 116,000,000 |  |
Letters of Credit Outstanding, Amount | 205,800,000 | 205,800,000 |  |  | 183,100,000 |  |  |  |  |  | 10,300,000 | 58,700,000
Surety Bonds Outstanding | 975,900,000 | 975,900,000 |  |  | 958,300,000 |  |  |  |  |  |  |
Maximum product warranty in years |  | 10 years |  |  |  |  |  |  |  |  |  |
Self-insurance liabilities | 734,663,000 | 734,663,000 |  | 746,446,000 | 668,100,000 | 691,598,000 | 708,142,000 | 721,284,000 |  |  |  |
Incurred but not reported percentage of liability reserves | 76.00% | 76.00% |  |  |  |  |  |  |  |  |  |
Adjustment to self insurance reserves | $ 0 | $ 84,500,000 |  |  |  |  |  |  |  |  |  |

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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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