Earnings Per Share - Additional Information (Detail) - shares |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
---|---|---|---|---|
Business Acquisition [Line Items] | ||||
Common stock issued and outstanding - historical (shares) | 151,162,999 | 158,626,229 | ||
TRI Pointe shares outstanding - recast (shares) | 151,162,999 | 158,626,229 | ||
Common Stock [Member] | ||||
Business Acquisition [Line Items] | ||||
TRI Pointe shares outstanding - recast (shares) | 151,162,999 | 158,626,229 | 161,813,750 | 161,355,490 |