Fair Value Disclosures (Level 4 Inv Impair inputs) (Details 2) - Operating communities [Member] $ in Thousands |
3 Months Ended | ||||||
---|---|---|---|---|---|---|---|
Jul. 31, 2017
USD ($)
Homes_sold
|
Apr. 30, 2017
USD ($)
Homes_sold
|
Jan. 31, 2017
USD ($)
Homes_sold
|
Oct. 31, 2016
USD ($)
|
Jul. 31, 2016
USD ($)
|
Apr. 30, 2016
USD ($)
|
Jan. 31, 2016
USD ($)
|
|
Minimum [Member] | |||||||
Fair value inputs, assets, quantitative information [Line Items] | |||||||
Average selling price | $ 465 | $ 827 | $ 692 | $ 0 | $ 0 | $ 369 | $ 0 |
Sales Pace (in ones) | 3 | 6 | 4 | 0 | 0 | 18 | 0 |
Fair Value Inputs, Discount Rate | 16.50% | 16.30% | 16.30% | 0.00% | 0.00% | 16.30% | 0.00% |
Maximum [Member] | |||||||
Fair value inputs, assets, quantitative information [Line Items] | |||||||
Average selling price | $ 754 | $ 856 | $ 880 | $ 0 | $ 0 | $ 394 | $ 0 |
Sales Pace (in ones) | 10 | 11 | 12 | 0 | 0 | 23 | 0 |
Fair Value Inputs, Discount Rate | 19.50% | 16.30% | 16.30% | 0.00% | 0.00% | 16.30% | 0.00% |