Number of Consolidated Securitizations

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Number of Securitizations Considered Non-Financing Variable Interest Entities

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Number of Variable Interest Entities Consolidated

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The charge against earnings in the period to reduce the carrying amount of real property to fair value.

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Cost of real estate projects incurred for projects for eventual sale or transfer (condominium or time share projects, vacation clubs).

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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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Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Use of Special Purpose Entities and Variable Interest Entities - Narrative (Details) $ in Millions		3 Months Ended	6 Months Ended
	Mar. 31, 2017 USD ($) variable_interest_entity	Jun. 30, 2018 USD ($) securitization	Jun. 30, 2018 USD ($) securitization	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($) securitization
Variable Interest Entity [Line Items]
Real estate under development		$ 20.3	$ 20.3	$ 22.4
Riverchase Landing and The Clusters
Variable Interest Entity [Line Items]
Consideration transferred	$ 12.5
Riverchase Landing and The Clusters
Variable Interest Entity [Line Items]
Number of variable interest entities consolidated \| variable_interest_entity	2
VIE, Primary Beneficiary \| RBDHC
Variable Interest Entity [Line Items]
Noncontrolling interest, ownership by parent, percentage			50.00%
Impairment of real estatement under development		$ 2.1
VIE, Primary Beneficiary \| K-Series
Variable Interest Entity [Line Items]
Number of consolidated securitizations \| securitization		7	7		7
Non-Financings, Multi-Family CMBS \| K-Series
Variable Interest Entity [Line Items]
Number of securitizations, non-financing VIE's \| securitization		6	6		6
Other Income \| VIE, Primary Beneficiary \| RBDHC
Variable Interest Entity [Line Items]
Impairment of real estatement under development		$ 2.1
Net Loss Attributable to Parent \| VIE, Primary Beneficiary \| RBDHC
Variable Interest Entity [Line Items]
Impairment of real estatement under development		1.1
Receivables and other assets
Variable Interest Entity [Line Items]
Real estate under development		$ 20.3	$ 20.3		$ 22.9