Debt Securities - Narrative (Details) - N-Star CDO bonds $ in Millions	12 Months Ended
Dec. 31, 2018 USD ($) security
Debt Securities, Available-for-sale [Line Items]
Gain upon deconsolidation \| $	$ 10.9
Commercial Real Estate, Securities \| Colony NorthStar
Debt Securities, Available-for-sale [Line Items]
Weighted average maturity of securities acquired	5 years
Commercial Real Estate, Securities \| Colony NorthStar \| Minimum
Debt Securities, Available-for-sale [Line Items]
Contractual maturity period	8 years
Commercial Real Estate, Securities \| Colony NorthStar \| Maximum
Debt Securities, Available-for-sale [Line Items]
Contractual maturity period	43 years
Consolidated Properties \| Commercial Real Estate, Securities \| Colony NorthStar
Debt Securities, Available-for-sale [Line Items]
Number of securities acquired \| security	2

Represents the contractual maturities of the commercial real estate securities portfolio.

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- Definition

Available-for-sale Securities, Number of Securities Acquired

+ References

No definition available.

+ Details

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- Definition

Available-for-sale Securities, Weighted Average Maturity of Securities Acquired

+ References

No definition available.

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- Definition

Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684

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- Definition

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+ References

No definition available.

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