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Fair Value - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Not Designated as Hedging Instrument [Member]	Sep. 30, 2013 Not Designated as Hedging Instrument [Member]	Sep. 30, 2014 Not Designated as Hedging Instrument [Member]	Sep. 30, 2013 Not Designated as Hedging Instrument [Member]	Sep. 30, 2014 Level 2 [Member]	Sep. 30, 2014 Level 2 [Member] Fair Value, Measurements, Recurring [Member] Mortgage Banking [Member] Rate Lock Commitments [Member]	Sep. 30, 2014 Level 2 [Member] Fair Value, Measurements, Recurring [Member] Mortgage Banking [Member] Forward Sales Contracts [Member]	Sep. 30, 2014 Homebuilding [Member]	Dec. 31, 2013 Homebuilding [Member]	Sep. 30, 2014 Homebuilding [Member] Level 2 [Member] Fair Value, Measurements, Recurring [Member] Senior Notes due 2022 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior Notes fair value											$ 604,890
Senior Notes carrying value									599,143	599,075	599,143
Notional amount of contractual commitments							353,267	468,249
Average basis points of loan amount	1.07%
Fallout rate of measuring fair value of rate lock commitments	11.00%
Fair value of mortgage loans held for sale	198,597
Change in fair value of loans held for sale	736
Aggregate principal balance of loans held for sale						197,861
Fair value adjustment income (expense)		$ (1,379)	$ (418)	$ 2,681	$ 2,063

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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- Definition

Average value of servicing rights per loan amount.

+ References

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- Definition

Fall out rate used when measuring the fair value of rate lock commitments.

+ References

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

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- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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- Definition

Amount classified as mortgage loans attributable to disposal group held for sale or disposed of. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

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- Definition

The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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Amount of the contractual principal due at the origination of the mortgage loan (face amount).

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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