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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Significant Accounting Policies [Line Items] |  |  |
Cash related to a consolidated variable interest entity | $ 668 | $ 906 |
Pre-tax recovery related to impairment of contract land deposits | 5,300 | 2,000 |
Pre-tax charges related to impairment of contract land deposits |  |  | 11,200
Contract land deposit asset impairment valuation allowance | 59,800 | 65,000 |
Impairment of excess reorganization value | 0 |  |
Goodwill acquired from business acquisition |  | 441 |
Finite-lived intangibles acquired from business acquisition | 6,306 | 8,778 |
Weighted average life of finite-lived intangible assets | 5 years |  |
Antidilutive stock options and restricted share units | 156,712 | 194,416 | 467,367
Uncertain tax position threshold for tax benefit | 50.00% |  |
Model Home Furniture and Fixtures [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 2 years |  |
Office Facilities and Other [Member] | Minimum [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |
Office Facilities and Other [Member] | Maximum [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |
Manufacturing Facilities [Member] | Minimum [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 5 years |  |
Manufacturing Facilities [Member] | Maximum [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Property, Plant and Equipment, Useful Life | 40 years |  |
Mortgage Banking [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Restricted Cash | 2,860 | 2,089 |
Mortgage Banking [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Typical length of days loans sold into secondary market | 30 days |  |
Mortgage Banking [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Rate Lock Commitments [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Notional or Principal Amount | 243,084 |  |
Mortgage Banking [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Forward Sales Contracts [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Notional or Principal Amount | 430,859 |  |
Homebuilding [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Restricted Cash | 20,563 | 19,661 |
Goodwill acquired from business acquisition | 441 | 441 |
Impairment of goodwill | 0 |  |
Finite-lived intangibles acquired from business acquisition |  | 8,778 |
Homebuilding [Member] | Heartland Homes Inc [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Finite-lived intangibles acquired from business acquisition | $ 6,306 |  |

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