Income Taxes - Valuation Allowance (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2016 |
Jun. 30, 2016 |
Dec. 31, 2016 |
Jun. 30, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Valuation allowances | |||||||||||||||
| Net deferred tax assets | $ 122,309 | $ 121,200 | $ 12,862 | $ 122,309 | $ 121,200 | $ 122,309 | $ 121,200 | $ 12,862 | |||||||
| Valuation allowance for deferred tax assets | 0 | 124,525 | 0 | 0 | 124,525 | ||||||||||
| Decrease in deferred tax asset valuation allowance | 112,900 | $ 600 | $ 11,000 | ||||||||||||
| Income (loss) before income taxes | $ 17,496 | $ 11,935 | $ 7,296 | $ 859 | $ 16,340 | $ 5,520 | $ (4,466) | $ (5,008) | $ 20,100 | 37,586 | $ 30,000 | 12,386 | $ (1,603) | ||
| Homebuilding revenues | 764,041 | $ 498,915 | 243,171 | $ 115,000 | |||||||||||
| SG &A as a percent of homebuilding revenue | 15.10% | 16.00% | 15.10% | 15.10% | 16.00% | 30.90% | |||||||||
| Gross margin percentage | 20.00% | 20.00% | 18.00% | ||||||||||||
| Tax benefits generated from the exercise of share-based compensation | $ 0 | $ 0 | $ 0 | ||||||||||||
| Previously Reported | |||||||||||||||
| Valuation allowances | |||||||||||||||
| Net deferred tax assets | $ 124,500 | $ 124,500 | |||||||||||||