Business Acquisitions Purchase Price Adjustments Cash

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- Definition

Business Acquisitions Purchase Price Adjustments Other Assets

+ References

No definition available.

+ Details

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Namespace Prefix:	sui_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The aggregate expected value at the end of their useful life of a major finite-lived intangible asset class acquired during the period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 44

-Subparagraph a(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16265-109275

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Data Type:	xbrli:monetaryItemType
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- Definition

The calculated weighted-average amortization period of a major class of finite-lived intangible assets acquired during the current period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 44

-Subparagraph a(3)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6905858&loc=d3e16265-109275

+ Details

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Balance Type:	na
Period Type:	duration

- Details

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- Definition

The amount of acquisition cost of a business combination allocated to land and building to be used in the normal course of business, not including assets that are held-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 37

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_BusinessAcquisitionPurchasePriceAllocationProperty
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 59

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 23

-URI http://asc.fasb.org/extlink&oid=6909708&loc=d3e1043-128460

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of units in a real estate property owned as of the balance sheet date.

+ References

No definition available.

+ Details

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Real Estate Acquisitions , Narrative (Details) (USD $)	3 Months Ended					3 Months Ended													3 Months Ended
Real Estate Acquisitions , Narrative (Details) (USD $)	Mar. 31, 2012	Mar. 31, 2011	May 31, 2011 Orange City [Member] sites	Jun. 30, 2011 Kentland [Member] sites properties	Nov. 30, 2011 Cider Mill Crossings [Member] sites	Mar. 31, 2012 Florida Properties [Member]	Feb. 29, 2012 Florida Properties [Member]	Dec. 31, 2011 Florida Properties [Member] sites	Feb. 29, 2012 Acquisition [Member] Florida Properties [Member] sites	Jun. 30, 2011 Manufactured home community [Member] Kentland [Member] properties	Jun. 30, 2011 RV community [Member] Kentland [Member] properties	Dec. 31, 2011 RV community [Member] Florida Properties [Member] properties	Feb. 29, 2012 RV community [Member] Acquisition [Member] Florida Properties [Member] properties	Dec. 31, 2011 Naples, FL [Member] RV community [Member] Florida Properties [Member] properties	Dec. 31, 2011 Moore Haven, FL [Member] RV community [Member] Florida Properties [Member] properties	Feb. 29, 2012 Hudson, FL [Member] RV community [Member] Acquisition [Member] Florida Properties [Member] properties	Feb. 29, 2012 Bushnell, FL [Member] RV community [Member] Acquisition [Member] Florida Properties [Member] properties	Feb. 29, 2012 Orange Lake, FL [Member] RV community [Member] Acquisition [Member] Florida Properties [Member] properties	Mar. 31, 2012 Leases, Acquired-in-Place [Member] Y
Business Acquisition [Line Items]
Number of properties (in properties)				18						17	1	3	3	2	1	1	1	1
Number of sites (in sites)			525	5,434	262			740	1,114
Investment in property	$ 189,187,000		$ 6,460,000	$ 131,228,000	$ 2,088,000		$ 25,384,000	$ 24,027,000
Acquisition related costs	164,000	249,000
In-place lease acquired residual value																			8,600,000
In-place lease amortization period (in years)																			7
Business Acquisitions Purchase Price Adjustments Cash						(800,000)
Business Acquisitions Purchase Price Adjustments Other Assets						$ (800,000)