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Variable Interest Entities (Details) $ in Millions	1 Months Ended	3 Months Ended
	Jan. 31, 2018 securitization_trust	Jun. 30, 2018 securitization_trust	Dec. 31, 2018 USD ($) securitization_trust	Dec. 31, 2017 USD ($)
Variable Interest Entity [Line Items]
Number of securitization vehicles held | securitization_trust			0
Number of securitization vehicles contributed | securitization_trust	3
Number of securitization vehicles sold | securitization_trust		2
Company Sponsored Funds
Variable Interest Entity [Line Items]
Exposure to the obligations of the investment entities | $			$ 13.2	$ 10.2
Consolidated open-end fund
Variable Interest Entity [Line Items]
Exposure to the obligations of the investment entities | $			117.3	6.9
Trust
Variable Interest Entity [Line Items]
Exposure to the obligations of the investment entities | $			3.7	3.7
Securitization Vehicles
Variable Interest Entity [Line Items]
Exposure to the obligations of the investment entities | $				490.1
Securitization Vehicles | Variable Interest Entity, Unconsolidated
Variable Interest Entity [Line Items]
Exposure to the obligations of the investment entities | $			$ 67.5	$ 102.2
Colony Credit
Variable Interest Entity [Line Items]
Number of securitization vehicles held | securitization_trust		0
Number of securitization vehicles contributed | securitization_trust		3

X

- Definition

Variable Interest Entity, Number Of Securitization Vehicles Contributed

+ References

No definition available.

+ Details

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- Definition

Variable Interest Entity, Number Of Securitization Vehicles Sold

+ References

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X

- Definition

Variable Interest Entity, Securitization Vehicles Held

+ References

No definition available.

+ Details

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X

- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=108788376&loc=d3e5747-111685

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph b
-URI http://asc.fasb.org/extlink&oid=108788376&loc=d3e5728-111685

+ Details

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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.

+ References

No definition available.

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- Details

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- Details

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