The cash outflow from (a) purchases of loans held-for-investment, (b) purchases of leases held-for-investment, and (c) both.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireLoansAndLeasesHeldForInvestment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Residential Loans at Fair Value - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Charged Off Loans [Member]	Apr. 30, 2014 Charged Off Loans [Member]	Dec. 31, 2013 Charged Off Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Residential loans acquired to be held for investment	$ 393,013	$ 800,203	$ 716,152
Residential Loans, Unpaid Principal Balance					3,272,912	3,300,000	0
Payments to Acquire Charged-off Loans Held for Investment			$ 57,052	$ 0