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Fair Value Disclosures (Schedule Of Carrying Values And Estimated Fair Values Of Financial Instruments) (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Mortgage loans held for sale $ 62,440 $ 52,327
Level 2 [Member] | Carrying Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Secured notes receivable [1] 4,885 2,753
Mortgage loans held for sale [2] 62,440 52,327
6.875% senior notes [3] 380,224 379,238
5.875% senior notes [3] 395,238 394,725
3.278 insurance premium notes [4] 9,673
Other financing obligation [4] 2,320 2,320
Mortgage repurchase facilities [4] 57,327 48,319
Level 2 [Member] | Fair Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Secured notes receivable [1] 4,885 2,727
Mortgage loans held for sale [2] 62,440 52,327
6.875% senior notes [3] 385,528 397,044
5.875% senior notes [3] 368,238 400,225
3.278 insurance premium notes [4] 9,673
Other financing obligation [4] 2,320 2,320
Mortgage repurchase facilities [4] 57,327 $ 48,319
Level 3 [Member] | Carrying Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Revolving line of credit [4] 236,000  
Level 3 [Member] | Fair Value [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Revolving line of credit [4] $ 236,000  
[1] Estimated fair value of the secured notes receivable 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, which was based on quoted market prices for those committed mortgage loans.
[3] Estimated fair value of the senior notes incorporated recent trading activity in inactive markets.
[4] Carrying amount approximates fair value due to short-term nature and interest rate terms.