Derivative contractual forward price purchase and (sales) commitment.

No definition available.

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Namespace Prefix:	aaic_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Derivative market price purchase and (sales) commitment.

+ References

No definition available.

+ Details

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Namespace Prefix:	aaic_
Data Type:	xbrli:monetaryItemType
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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

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-Publisher FASB
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-Section 55
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

+ Details

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Period Type:	instant

- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=126966630&loc=d3e41228-113958

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 55
-Paragraph 22
-URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959

+ Details

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Balance Type:	na
Period Type:	instant

- Details

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- Details

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- Details

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- Details

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- Details

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Derivative Instruments - TBA Commitments (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021
Notional Amount: Net Purchase Commitment	$ 255,000	$ 155,000	$ 0	$ 25,000	$ 0
Fair Value, Asset	4,422		250
Fair Value, Liability	(139)		(228)
TBA Commitments
Notional Amount: Net Purchase Commitment	255,000		0
Contractual Forward Price	(241,021)		(109)
Market Price	(236,998)		0
Fair Value, Asset	4,162		230
Fair Value, Liability	(139)		(121)
Net Fair Value	4,023		109
TBA Commitments \| Two Point Five Percent Thirty Year Mortgage Backed Securities Purchase Sale Commitments Purchase
Notional Amount: Net Purchase Commitment			225,000
Contractual Forward Price			229,043
Market Price			229,148
Fair Value, Asset			105
TBA Commitments \| Two Point Five Percent Thirty Year Mortgage Backed Securities Purchase Sale Commitments Sale
Notional Amount: Net Purchase Commitment			225,000
Contractual Forward Price			(229,152)
Market Price			(229,148)
Fair Value, Asset			$ 4
TBA Commitments \| Three Point Five Percent Thirty Year Mortgage Backed Securities Purchase Sale Commitments Sale
Notional Amount: Net Purchase Commitment	60,000
Contractual Forward Price	(56,803)
Market Price	(53,897)
Fair Value, Asset	2,906
TBA Commitments \| Four Point Zero Percent Thirty-year MBS Sale Commitments
Notional Amount: Net Purchase Commitment	100,000
Contractual Forward Price	(93,359)
Market Price	(92,680)
Fair Value, Asset	679
TBA Commitments \| Four Point Five Percent Thirty Year Mortgage Backed Securities Purchase Sale Commitments Sale
Notional Amount: Net Purchase Commitment	95,000
Contractual Forward Price	(90,859)
Market Price	(90,421)
Fair Value, Asset	$ 438