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