Discontinued Operation, Agreed Sale Consideration for Disposal of Discontinued Operations

No definition available.

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- Definition

Disposal Group Including Discontinued Operation, Ownership Percentage in Disposed Asset

+ References

No definition available.

+ Details

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- Definition

Investment in Joint Venture, Aggregate Equity Committed by Partner

+ References

No definition available.

+ Details

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- Definition

Represents the number of shares of the common stock of the entity, which the limited partner of the operating partnership is entitled to receive on redemption of one unit of interest in the partnership.

+ References

No definition available.

+ Details

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- Definition

-- None. No documentation exists for this element. --

+ References

No definition available.

+ Details

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- Definition

Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=64862545&loc=d3e2941-110230

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2443-110228

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=66902209&loc=d3e3602-108585

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Period Type:	duration

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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- Definition

The number of units or percentage investment held in the subsidiary by the limited liability company or limited partnership.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611443-123010

+ Details

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=64801991&loc=SL6759159-111685

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- Details

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- Details

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- Details

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Organization and Basis of Presentation (Details) - USD ($)	1 Months Ended	12 Months Ended
	Jan. 31, 2017	Dec. 31, 2016
Organization
Number of shares to be received on redemption of one unit of limited partnership interests (shares)		1
SL Green Operating Partnership
Organization
Percentage of ownership in SL Green Management LLC owned by operating partnership (percent)		100.00%
Noncontrolling interest in the operating partnership (as a percent)		4.16%
SL Green Operating Partnership \| Service Corporation
Organization
Economic interest in variable interest entity (as a percent)		95.00%
Subsequent Event \| One Vanderbilt \| National Pension Service of Korea
Organization
Ownership percentage in disposed asset	27.60%
Subsequent Event \| One Vanderbilt \| Hines Interest LP
Organization
Ownership percentage in disposed asset	1.40%
Subsequent Event \| One Vanderbilt \| National Pension Service of Korea and Hines Interest LP
Organization
Aggregate equity committed from partners	$ 525,000,000
Subsequent Event \| 520 White Plains Road
Organization
Agreed sale consideration	21,000,000
Impairment Charge	$ 11,100,000