XML 47 R36.htm IDEA: XBRL DOCUMENT v3.21.2

Organization and Basis of Presentation (Details)			3 Months Ended	6 Months Ended
	Apr. 06, 2020 USD ($)	Nov. 22, 2019 USD ($) $ / shares shares	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) payment entity	Jun. 30, 2020 USD ($)	Mar. 31, 2021	Dec. 31, 2020 entity	Jun. 30, 2019 shares	Dec. 31, 2018
Organization And Basis Of Presentation [Line Items]
Number of payments made on RPL mortgage loans (at least) | payment				5
Number of recent payments made on RPL mortgage loans | payment				7
Number of payments made on NPL mortgage loans | payment				3
Proceeds from issuance of preferred stock and warrants, net of offering costs | $	$ 125,000,000.0		$ 130,000,000.0	$ 0	$ 124,977,000
Number of non controlling interest subsidiaries | entity				3			4
Percentage of outstanding OP units owned				100.00%					96.80%
Percentage of outstanding OP owned by an unaffiliated holder									3.20%
Operating partnership units (in shares) | shares								624,106
Delaware Trust
Organization And Basis Of Presentation [Line Items]
Ownership percentage				5.00%
Investment in AS Ajax E II LLC
Organization And Basis Of Presentation [Line Items]
Percentage of ownership interests in joint venture				53.10%			53.10%
Investment in AS Ajax E II LLC | Third party
Organization And Basis Of Presentation [Line Items]
Ownership percentage by third parties				46.90%
Investment in AS Ajax E II LLC | Great Ajax Corp
Organization And Basis Of Presentation [Line Items]
Percentage of ownership interests in joint venture				53.10%			53.10%
2017-D
Organization And Basis Of Presentation [Line Items]
Percentage of ownership interests in joint venture				50.00%
2017-D | Great Ajax Corp
Organization And Basis Of Presentation [Line Items]
Ownership percentage by parent				50.00%			50.00%
Great Ajax II REIT | Third party
Organization And Basis Of Presentation [Line Items]
Ownership percentage by third parties				0.10%			0.10%
Great Ajax II REIT | Great Ajax Corp
Organization And Basis Of Presentation [Line Items]
Ownership percentage by parent				99.90%			99.90%
2018-C
Organization And Basis Of Presentation [Line Items]
Percentage of ownership interests in joint venture				37.00%		37.00%			37.00%
2018-C | Third party
Organization And Basis Of Presentation [Line Items]
Ownership percentage by parent							63.00%
Ownership percentage by third parties				0.00%
2018-C | Great Ajax Corp
Organization And Basis Of Presentation [Line Items]
Ownership percentage by parent				100.00%
Servicer
Organization And Basis Of Presentation [Line Items]
Ownership percentage				8.00%
Thetis Asset Management LLC
Organization And Basis Of Presentation [Line Items]
Ownership percentage				19.80%
Gaea Real Estate Corp.
Organization And Basis Of Presentation [Line Items]
Ownership percentage		23.20%		22.90%
Proceeds from issuance of preferred stock and warrants, net of offering costs | $		$ 66,300,000
Private placement share issuance (in shares) | shares		4,419,641
Purchase price per share (in usd per share) | $ / shares		$ 15.00
Gaea Real Estate Corp. | Third party
Organization And Basis Of Presentation [Line Items]
Ownership percentage by third parties		76.80%		77.10%
Maximum
Organization And Basis Of Presentation [Line Items]
Principal balance of small balance commercial mortgage loans (up to) | $				$ 5,000,000.0

X

- Definition

Number of non controlling interest subsidiaries

+ References

No definition available.

+ Details

Name:	ajx_NumberOfNonControllingInterestSubsidiaries
Namespace Prefix:	ajx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of Payments Made on NPL Mortgage Loans

+ References

No definition available.

+ Details

Name:	ajx_NumberofPaymentsMadeonNPLMortgageLoans
Namespace Prefix:	ajx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of Payments Made on RPL Mortgage Loans

+ References

No definition available.

+ Details

Name:	ajx_NumberofPaymentsMadeonRPLMortgageLoans
Namespace Prefix:	ajx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of Recent Payments Made on RPL Mortgage Loans

+ References

No definition available.

+ Details

Name:	ajx_NumberofRecentPaymentsMadeonRPLMortgageLoans
Namespace Prefix:	ajx_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ajx_OrganizationAndBasisOfPresentationLineItems
Namespace Prefix:	ajx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents percentage of outstanding operating partnership units owned.

+ References

No definition available.

+ Details

Name:	ajx_PercentageOfOutstandingOperatingPartnershipUnitsOwned
Namespace Prefix:	ajx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Represents percentage of outstanding operating partnership units owned by an unaffiliated holder.

+ References

No definition available.

+ Details

Name:	ajx_PercentageOfOutstandingOperatingPartnershipUnitsOwnedByUnaffiliatedHolder
Namespace Prefix:	ajx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Percentage Of Ownership Interests In Joint Venture

+ References

No definition available.

+ Details

Name:	ajx_PercentageOfOwnershipInterestsInJointVenture
Namespace Prefix:	ajx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of principal due on delinquent mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Paragraph Column H
-Subsection 29

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column H))
-URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014

+ Details

Name:	srt_MortgageLoansOnRealEstatePrincipalAmountOfDelinquentLoans
Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of units sold in a private placement of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770

+ Details

Name:	us-gaap_PartnersCapitalAccountUnitsSoldInPrivatePlacement
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfPrivatePlacement
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

Name:	us-gaap_SharePrice
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The number of units or equivalent units outstanding for all classes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB TOPIC 4.F)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770

+ Details

Name:	us-gaap_UnitsOfPartnershipInterestAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ajx_DelawareTrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=ajx_ASAjaxEIILLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_OwnershipAxis=ajx_ThirdPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_OwnershipAxis=ajx_GreatAjaxCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=ajx_SecuritizationTrust2017DMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=ajx_GreatAjaxIIREITMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=ajx_SecuritizationTrust2018CMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=ajx_GreatAjaxFinancialServicesLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ajx_ThetisAssetManagementLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ajx_GaeaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: