Amount of gain (loss) on sale or disposal of an equity method investment.

No definition available.

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(12))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-04(10))
-URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66022249&loc=d3e33749-111570

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(13)(f))
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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- Definition

Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 21D
-URI http://asc.fasb.org/extlink&oid=98514028&loc=SL94080555-108585

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- Definition

The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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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.

+ Details

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Other Investments (Other Investments and Share of Earnings (Loss) (Details) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	Nov. 30, 2016	Jun. 30, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Schedule of Equity Method Investments [Line Items]
Distributions from other investments			$ 49,672	$ 92,482	$ 119,854
Carrying value			321,241	214,406
Earnings (loss) from equity method investments			13,015	77,349	32,153
Net proceeds from sale of other investments			0	43,936	0
iStar Net Lease I LLC
Schedule of Equity Method Investments [Line Items]
Distributions from other investments	$ 13,200	$ 61,200	26,000
Other real estate equity investments
Schedule of Equity Method Investments [Line Items]
Earnings (loss) from equity method investments				11,600
Net proceeds from sale of other investments				39,800
Recognized earnings				31,500
Other Strategic Investments
Schedule of Equity Method Investments [Line Items]
Carrying value			13,618	33,350
Earnings (loss) from equity method investments			1,410	9,907	8,586
Oak Hill Funds Group
Schedule of Equity Method Investments [Line Items]
Earnings (loss) from equity method investments				4,300	2,200
Real Estate Investment
Schedule of Equity Method Investments [Line Items]
Carrying value			307,623	181,056
Earnings (loss) from equity method investments			11,605	67,442	23,567
Real Estate Investment \| iStar Net Lease I LLC
Schedule of Equity Method Investments [Line Items]
Carrying value			121,139	92,669
Earnings (loss) from equity method investments			4,534	3,567	5,221
Real Estate Investment \| Safety, Income and Growth, Inc.
Schedule of Equity Method Investments [Line Items]
Carrying value			83,868	0
Earnings (loss) from equity method investments			551	0	0
Real Estate Investment \| Marina Palms
Schedule of Equity Method Investments [Line Items]
Carrying value			2,555	35,185
Earnings (loss) from equity method investments			2,621	22,053	23,626
Real Estate Investment \| Other real estate equity investments
Schedule of Equity Method Investments [Line Items]
Carrying value			100,061	53,202
Earnings (loss) from equity method investments			$ 3,899	41,822	$ (5,280)
Noncontrolling Interests
Schedule of Equity Method Investments [Line Items]
Recognized earnings				$ 10,100