Fair Value Disclosures (Schedule Of Carrying Values And Estimated Fair Values Of Financial Instruments) (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Mortgage loans held for sale		$ 11,235
Level 2 [Member] | Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Secured notes receivable	[1]	5,798	$ 2,850
Mortgage loans held for sale	[2]	11,235
6.875% senior notes	[3]	378,573	253,089
5.875% senior notes	[3]	394,819
Revolving line of credit	[4]		195,000
Insurance premium notes	[4]	3,457	5,999
Mortgage repurchase facilities	[4]	10,551
Level 2 [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Secured notes receivable	[1]	5,789	2,828
Mortgage loans held for sale	[2]	11,235
6.875% senior notes	[3]	394,783	260,090
5.875% senior notes	[3]	391,819
Revolving line of credit	[4]		195,000
Insurance premium notes	[4]	3,457	$ 5,999
Mortgage repurchase facilities	[4]	$ 10,551

[1] Estimated fair value of the secured notes received was based on cash flow models discounted at market interest rates that considered the underlying risks of the note.

[2] The mortgage loans held for sale are carried at fair value as of June 30, 2017, which was based on quoted market prices for those committed mortgage loans.

[3] Estimated fair value of the senior notes as of June 30, 2017 and December 31, 2016 incorporated recent trading activity in inactive markets.

[4] Carrying amount approximates fair value due to short-term nature and interest rate terms.