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Recorded Investment in Residential Loans Held-For-Investment Organized by Year of Origination (Detail) (Residential Loans Held for Investment, USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Residential loans	$ 1,568,416	$ 1,787,594
2003 & Earlier
Financing Receivable, Recorded Investment [Line Items]
Residential loans	758,768	881,364
2004
Financing Receivable, Recorded Investment [Line Items]
Residential loans	459,050	513,458
2005
Financing Receivable, Recorded Investment [Line Items]
Residential loans	59,946	62,675
2006
Financing Receivable, Recorded Investment [Line Items]
Residential loans	138,263	149,776
2009
Financing Receivable, Recorded Investment [Line Items]
Residential loans	19,273	25,860
2010
Financing Receivable, Recorded Investment [Line Items]
Residential loans	80,209	92,728
2011
Financing Receivable, Recorded Investment [Line Items]
Residential loans	$ 52,907	$ 61,733

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- Definition

Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Article 5

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