Business Acquisition, Number of Transactions

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- Definition

Business Acquisition, Number of Warrants

+ References

No definition available.

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- Definition

Business Acquisition, Percentage of Equity Interest at Closing Date

+ References

No definition available.

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- Definition

Business Acquisition, Percentage of Warrants Exercisable

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- Definition

Number of entities

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No definition available.

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- Definition

Percentage Of Ownership Interests In Joint Venture

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No definition available.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 50
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- Definition

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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-Name Accounting Standards Codification
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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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- Definition

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

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No definition available.

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- 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.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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- Definition

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

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Affiliates - Narrative (Details) $ in Millions				12 Months Ended
Affiliates - Narrative (Details) $ in Millions	Nov. 22, 2019 USD ($) shares	May 29, 2018 USD ($) warrant shares	Jan. 26, 2018 USD ($) warrant shares	Dec. 31, 2019 USD ($) numberOfLoanPools transaction	Mar. 31, 2020	Mar. 14, 2016
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interests in joint venture					34.00%
2017-D
Schedule of Equity Method Investments [Line Items]
Percentage of ownership interests in joint venture					50.00%
Thetis
Schedule of Equity Method Investments [Line Items]
Ownership percentage					19.80%
AS Ajax E LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage				16.50%	16.50%	24.20%
Ajax E Master Trust \| AS Ajax E LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage					5.00%
Unconsolidated Affiliates
Schedule of Equity Method Investments [Line Items]
Ownership percentage					100.00%
Gaea
Schedule of Equity Method Investments [Line Items]
Proceeds from Issuance of Private Placement	$ 66.3
Private placement share issuance \| shares	4,419,641
Ownership percentage	23.20%
Gaea \| Third Party
Schedule of Equity Method Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	76.80%
Great Ajax FS LLC
Schedule of Equity Method Investments [Line Items]
Ownership percentage					8.00%
Number of transactions \| transaction				2
Percentage of equity interest at closing date		3.10%	4.90%
Number of warrants \| warrant		3	3
Percentage of warrants exercisable		1.55%	2.45%
Cash payment in business acquisition		$ 0.7	$ 1.1
Number of shares (in shares) \| shares		29,063	45,938
Common stock value		$ 0.4	$ 0.6
Legacy entities
Schedule of Equity Method Investments [Line Items]
Number of entities \| numberOfLoanPools				3
Ownership percentage				40.40%
Cash payment in business acquisition				$ 1.0