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Related Party Transactions - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Nov. 05, 2018 | Dec. 31, 2018 | Dec. 31, 2019
Related Party Transaction [Line Items] |  |  |
Share repurchase, amount |  | $ 89,362 |
Affiliated Entity [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Accounts receivable, related parties |  | 2,300 | $ 1,700
M/I Homes Inc [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Accounts receivable, related parties |  | $ 1,200 | $ 1,300
PJAM IBP Holdings, Inc [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Common Stock Repurchase, Shares | 150 |  |
Share repurchase, amount | $ 5,100 |  |
Share repurchase, price per share | $ 34.11 |  |
Discount from last reported price of our common stock | 3.00% |  |

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