Fair Value Disclosures Fair Value Disclosures (Level 4 Inv Impair inputs) (Details 3) (Details) (Operating communities [Member], USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |||||
---|---|---|---|---|---|---|
Apr. 30, 2014
|
Jan. 31, 2014
|
Oct. 31, 2013
|
Jul. 31, 2013
|
Apr. 30, 2013
|
Jan. 31, 2013
|
|
Minimum [Member]
|
||||||
Fair value inputs, assets, quantitative information [Line Items] | ||||||
Average selling price | $ 634 | $ 388 | $ 315 | $ 475 | $ 0 | $ 303 |
Sales pace (in ones) | 4 | 21 | 2 | 2 | 0 | 15 |
Discount rate | 12.00% | 16.60% | 15.00% | 15.00% | 0.00% | 15.30% |
Maximum [Member]
|
||||||
Fair value inputs, assets, quantitative information [Line Items] | ||||||
Average selling price | $ 760 | $ 405 | $ 362 | $ 500 | $ 0 | $ 307 |
Sales pace (in ones) | 7 | 23 | 7 | 2 | 0 | 15 |
Discount rate | 15.30% | 16.60% | 15.00% | 15.00% | 0.00% | 15.30% |