Amount of investment in joint venture.

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Number of rooms in hotel to be developed and operated.

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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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The amount of assets reported by an equity method investment of the entity.

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- Definition

Amount of equity, including noncontrolling interest, reported by an equity method investment of the entity.

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The amount of liabilities reported by an equity method investment of the entity.

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The amount of net income (loss) reported by an equity method investment of the entity.

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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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Real Estate Joint Ventures - Unconsolidated Real Estate VIE (Details) $ in Millions	3 Months Ended		6 Months Ended		9 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Sep. 30, 2018 USD ($)	Apr. 30, 2018 item	Dec. 31, 2017 USD ($)
Pier Park TPS JV
Investments
Number of hotel rooms \| item						124
Ownership percentage					50.00%
Investment in joint venture					$ 0.2
ALP Liquidating Trust
Investments
Variable interest entity, ownership percentage					23.90%
Assets	$ 10.1		$ 10.1				$ 10.2
Liabilities	0.2		0.2				0.1
Equity	9.9		9.9				$ 10.1
Net loss		$ 0.2	$ 0.2	$ 0.4
ALP Liquidating Trust \| Maximum
Investments
Net loss	$ 0.1