Assets Pledged as Collateral

No definition available.

Name:	aamc_AssetsPledgedAsCollateral
Namespace Prefix:	aamc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The effective interest rate at the end of the reporting period.

+ 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 210.5-02.19(b),22(b))

-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 19, 22

-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value, as of the balance sheet date, of securities sold under agreements to repurchase where the transferor maintains effective control over the assets, accounting for them as secured debt.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(m)(1)(i))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 10

-Section 55

-Paragraph 51

-URI http://asc.fasb.org/extlink&oid=7580763&loc=d3e101761-111710

+ Details

Name:	us-gaap_SecuredDebtRepurchaseAgreements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_ShortTermDebtLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	aamc_CollateraltypeAxis=aamc_SecuredDebtClassANotesTrust2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	aamc_CollateraltypeAxis=aamc_SecuredDebtClassMNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentsOwnedAndPledgedAsCollateralAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Borrowings - Repurchase Agreements (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Mar. 22, 2013	Dec. 18, 2013
Short-term Debt [Line Items]
Amount outstanding	$ 929,287,000us-gaap_SecuredDebtRepurchaseAgreements	$ 1,015,000,000us-gaap_SecuredDebtRepurchaseAgreements
Secured debt
Short-term Debt [Line Items]
Interest rate	3.06%
Maximum borrowing capacity	970,481,000	1,225,000,000
Book value of collateral	1,775,758,000	1,819,559,000
Amount outstanding	929,287,000	1,015,000,000
Secured debt \| CS repurchase agreement
Short-term Debt [Line Items]
Maximum borrowing capacity	225,000,000	225,000,000	100,000,000
Book value of collateral	331,633,000	332,618,000
Amount outstanding	183,806,000	222,044,000
Secured debt \| Wells repurchase agreement
Short-term Debt [Line Items]
Maximum borrowing capacity	525,780,000	750,000,000
Book value of collateral	986,572,000	1,036,409,000
Amount outstanding	525,780,000	569,509,000
Secured debt \| DB repurchase agreement
Short-term Debt [Line Items]
Maximum borrowing capacity	219,701,000	250,000,000		250,000,000
Book value of collateral	457,553,000	450,532,000
Amount outstanding	219,701,000	223,447,000
Secured debt \| ARLP 2014-1 \| Asset-backed securities Class M notes
Short-term Debt [Line Items]
Book value of collateral	17,000,000
Secured debt \| ARLP 2014-2 \| Asset-backed securities Class A notes
Short-term Debt [Line Items]
Book value of collateral	45,100,000
Secured debt, Class M notes \| Secured debt \| CS repurchase agreement
Short-term Debt [Line Items]
Amount outstanding	10,600,000
Secured debt, Class A notes Trust 2 \| Secured debt \| CS repurchase agreement
Short-term Debt [Line Items]
Amount outstanding	$ 29,400,000