Commitment and Contingencies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
Sep. 30, 2014
|
Dec. 31, 2013
|
---|---|---|
Commitments and Contingencies Disclosure [Abstract] | ||
Land deposits related to purchase contracts to deliver finished lots | $ 8.7 | |
Outstanding performance and surety bonds | $ 6.5 | $ 0.4 |