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Summary Of Significant Accounting Policies (Narrative) (Details) (USD $) Share data in Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Business Combination, Consideration Transferred |  |  | $ 82,700,000 |  |
Unfunded settlements | 10,200,000 |  | 10,200,000 |  | 3,700,000
Litigation Settlement, Expense |  | 8,000,000 |  | 38,000,000 |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | 7.1 | 10.3 | 7.2 | 10.5 |
Land, not owned, under option agreements | 16,817,000 |  | 16,817,000 |  | 24,024,000
Liabilities for land, not owned, under option agreements | 16,817,000 |  | 16,817,000 |  | 24,024,000
Residential mortgage loans available-for-sale fair value | 236,372,000 |  | 236,372,000 |  | 287,933,000
Residential mortgage loans available-for-sale aggregate outstanding principal balance | 229,300,000 |  | 229,300,000 |  | 278,100,000
Net gain (loss) from change in fair value | (300,000) | 4,400,000 | 1,300,000 | 2,600,000 |
Net gains from the sale of mortgages | 18,000,000 | 18,100,000 | 48,400,000 | 66,400,000 |
Minimum [Member] |  |  |  |  |
Variability in future cash flows of derivative instruments in days |  |  | 60 days |  |
Interest Rate Lock Commitments [Member] |  |  |  |  |
Derivative, Notional Amount | 258,000,000 |  | 258,000,000 |  | 175,700,000
Forward Contracts [Member] |  |  |  |  |
Derivative, Notional Amount | 427,300,000 |  | 427,300,000 |  | 381,500,000
Whole Loan Commitments [Member] |  |  |  |  |
Derivative, Notional Amount | $ 22,100,000 |  | $ 22,100,000 |  | $ 31,700,000

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