Defaulted Loan Principal During Period

No definition available.

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- Definition

Loan To Value Ratio

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Loss Confirmation Period

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Percentage Of Loan Portfolio

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage Of Loan Premiums Amortized

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Percentage Of Loans Prepaid

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

This is the principal amount outstanding for loans where servicing rights are owned at balance sheet date. These do not represent MSRs for accounting purposes, but we do own the right to service the loans included in this population.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Principal Balance of Loans Acquired During Period

+ References

No definition available.

+ Details

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- Definition

The weighted average FICO score for borrowers at the time loans were originated.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 9

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- Definition

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 30

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612

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Balance Type:	credit
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- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

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-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5258-111524

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- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of consumer loans, including, but not limited to, mortgage, home equity, vehicles, credit card, installment, and lease financing. Excludes loans and leases covered under loss sharing agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5074-111524

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

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-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5066-111524

+ Details

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Period Type:	instant

- Details

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Balance Type:	na
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- Definition

Indicates the number of mortgages under each classification.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-29.3)

-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule IV

-Article 5

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 29

-Paragraph 3

-Article 12

+ Details

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- Definition

The total periodic movement (increases and decreases) in the carrying amount of mortgage loans on real estate.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 10

-Section S99

-Paragraph 6

-Subparagraph (SX 210.5-04.(c) Schedule IV)

-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 29

-Article 12

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph c

-Subparagraph Schedule IV

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-29.6)

-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

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- Definition

This is the sum of principal amount outstanding for both securitized and unsecuritized loans of all types.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=13989330&loc=d3e107314-111719

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 20

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6378536&loc=d3e10092-111533

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Residential Loans - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Contract	Jun. 30, 2012	Dec. 31, 2012 Contract
Mortgage Loans on Real Estate [Line Items]
Carrying value	$ 3,219,276,000		$ 3,219,276,000		$ 2,835,470,000
Residential Loans
Mortgage Loans on Real Estate [Line Items]
Principal value	5,070,000,000		5,070,000,000
Principal balance of residential loan purchased for which rights to service was acquired	1,250,000,000		1,250,000,000
Charge-offs, net	1,751,000	1,991,000	2,545,000	5,139,000
Loss confirmation period			23 months
Average recorded investment of loans individually evaluated for impairment	7,000,000	15,000,000	7,000,000	15,000,000
Interest income recognized on impaired loans	10,000	149,000	21,000	259,000
Residential Loans at Fair Value
Mortgage Loans on Real Estate [Line Items]
Number of loans			1,645		685
Principal value	1,260,000,000		1,260,000,000		533,000,000
Carrying value	1,219,368,000		1,219,368,000		553,576,000
Negative Valuation adjustments	(41,405,000)		(6,535,000)
Residential Loans at Lower of Cost or Fair Value
Mortgage Loans on Real Estate [Line Items]
Number of loans			10		17
Principal value	2,000,000		2,000,000		10,000,000
Carrying value	1,730,000		1,730,000		9,082,000
Valuation adjustments	38,000	405,000	78,000	498,000
Residential Loans Held for Investment
Mortgage Loans on Real Estate [Line Items]
Principal value	2,001,544,000		2,001,544,000		2,278,069,000
Carrying value	1,998,178,000		1,998,178,000		2,272,812,000
Unamortized premium, net	19,784,000		19,784,000		23,247,000
Weighted average original loan-to-value (LTV)	65.00%		65.00%
Weighted average original Fair Isaac Corporation (FICO) score	734		734
Charge-offs, net	2,000,000	2,000,000	3,000,000	5,000,000
Principal value	5,000,000	4,000,000	7,000,000	14,000,000
Residential Loans Held for Investment \| Residential Loans Acquired Prior To July 1st 2004
Mortgage Loans on Real Estate [Line Items]
Principal value	832,000,000		832,000,000		912,000,000
Unamortized premium, net	13,000,000		13,000,000		16,000,000
Percentage of loans prepaid			9.00%
Percentage of premiums amortized			18.00%
Residential Loans Held for Investment \| Residential Loans Acquired After July 1st 2004
Mortgage Loans on Real Estate [Line Items]
Principal value	1,200,000,000		1,200,000,000		1,370,000,000
Unamortized premium, net	$ 7,000,000		$ 7,000,000		$ 8,000,000
Percentage of loans prepaid			14.00%
Percentage of premiums amortized			9.00%
Residential Loans Held for Investment \| First Mortgage
Mortgage Loans on Real Estate [Line Items]
Percentage of loan portfolio	98.00%		98.00%
Residential Loans Held for Investment \| Second Mortgage
Mortgage Loans on Real Estate [Line Items]
Percentage of loan portfolio	2.00%		2.00%