$SUI
SUN COMMUNITIES INC Stock $sui

$sui Overview Financials Valuation SEC Filings Company Website

2019 Q2 Form 10-Q Financial Statement

#000091259319000109 Filed on July 25, 2019

Income Statement

Concept	2019 Q2	2018 Q2
Revenue	$312.4M	$271.4M
YoY Change	15.11%	14.1%
Cost Of Revenue	$34.44M	$30.93M
YoY Change	11.32%	-69.25%
Gross Profit	$278.0M	$240.5M
YoY Change	15.6%	75.17%
Gross Profit Margin	88.98%	88.6%
Selling, General & Admin	$27.32M	$25.44M
YoY Change	7.41%	11.14%
% of Gross Profit	9.83%	10.58%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$76.15M	$67.77M
YoY Change	12.36%	8.05%
% of Gross Profit	27.39%	28.18%
Operating Expenses	$27.32M	$25.44M
YoY Change	7.41%	11.14%
Operating Profit	$250.7M	$148.1M
YoY Change	69.32%	12.88%
Interest Expense	-$33.70M	$32.26M
YoY Change	-204.46%	-0.3%
% of Operating Profit	-13.44%	21.79%
Other Income/Expense, Net	-$95.00K	-$1.828M
YoY Change	-94.8%	-258.13%
Pretax Income	$40.17M	$26.31M
YoY Change	52.69%	70.32%
Income Tax	$200.0K	$225.0K
% Of Pretax Income	0.5%	0.86%
Net Earnings	$40.39M	$20.41M
YoY Change	97.89%	65.06%
Net Earnings / Revenue	12.93%	7.52%
Basic Earnings Per Share	$0.46	$0.25
Diluted Earnings Per Share	$0.46	$0.25
COMMON SHARES
Basic Shares Outstanding	87.13M shares	79.61M shares
Diluted Shares Outstanding	87.56M shares	80.12M shares

Balance Sheet

Concept	2019 Q2	2018 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$82.26M	$20.00M
YoY Change	311.29%	-91.74%
Cash & Equivalents	$28.70M	$20.05M
Short-Term Investments	$53.55M
Other Short-Term Assets
YoY Change
Inventory	$56.00M	$38.00M
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$242.0M	$230.0M
YoY Change	5.22%	-47.0%
LONG-TERM ASSETS
Property, Plant & Equipment	$6.619B	$5.994B
YoY Change	10.43%	8.65%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$63.70M
YoY Change
Other Assets
YoY Change
Total Long-Term Assets	$6.980B	$6.262B
YoY Change	11.46%	9.01%
TOTAL ASSETS
Total Short-Term Assets	$242.0M	$230.0M
Total Long-Term Assets	$6.980B	$6.262B
Total Assets	$7.222B	$6.492B
YoY Change	11.24%	5.08%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$19.00M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$89.00M	$59.00M
YoY Change	50.85%	5.36%
LONG-TERM LIABILITIES
Long-Term Debt	$3.112B	$3.364B
YoY Change	-7.49%	11.43%
Other Long-Term Liabilities	$342.0M	$313.0M
YoY Change	9.27%	4.68%
Total Long-Term Liabilities	$3.454B	$3.677B
YoY Change	-6.06%	10.82%
TOTAL LIABILITIES
Total Short-Term Liabilities	$89.00M	$59.00M
Total Long-Term Liabilities	$3.454B	$3.677B
Total Liabilities	$3.542B	$3.737B
YoY Change	-5.2%	10.76%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock	$907.0K	$809.0K
YoY Change	12.11%	2.41%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$3.507B	$2.629B
YoY Change
Total Liabilities & Shareholders Equity	$7.222B	$6.492B
YoY Change	11.24%	5.08%

Cashflow Statement

Concept	2019 Q2	2018 Q2
OPERATING ACTIVITIES
Net Income	$40.39M	$20.41M
YoY Change	97.89%	65.06%
Depreciation, Depletion And Amortization	$76.15M	$67.77M
YoY Change	12.36%	8.05%
Cash From Operating Activities	$156.7M	$117.8M
YoY Change	33.02%	34.78%
INVESTING ACTIVITIES
Capital Expenditures	-$28.90M	-$258.0M
YoY Change	-88.8%	859.11%
Acquisitions
YoY Change
Other Investing Activities	-$149.2M	-$81.00M
YoY Change	84.2%	18.25%
Cash From Investing Activities	-$178.0M	-$339.0M
YoY Change	-47.49%	255.35%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$452.1M
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	32.90M	230.9M
YoY Change	-85.75%	-5.14%
NET CHANGE
Cash From Operating Activities	156.7M	117.8M
Cash From Investing Activities	-178.0M	-339.0M
Cash From Financing Activities	32.90M	230.9M
Net Change In Cash	11.60M	9.700M
YoY Change	19.59%	-95.88%
FREE CASH FLOW
Cash From Operating Activities	$156.7M	$117.8M
Capital Expenditures	-$28.90M	-$258.0M
Free Cash Flow	$185.6M	$375.8M
YoY Change	-50.61%	228.78%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Central Index Key EntityCentralIndexKey	0000912593
CY2018Q2	sui	Financial Instruments Subjectto Mandatory Redemption Term FinancialInstrumentsSubjecttoMandatoryRedemptionTerm	P7Y
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	180000000	shares
CY2019Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	90667000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	86357000	shares
CY2019Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	86357000	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	86357000	shares
CY2019Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	86357000	shares
CY2018Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	4100000	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	2205000	USD
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	3283000	USD
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	1-12616
	dei	Entity Registrant Name EntityRegistrantName	SUN COMMUNITIES INC
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	38-2730780
	dei	Entity Address Address Line1 EntityAddressAddressLine1	27777 Franklin Rd,
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 200,
	dei	Entity Address City Or Town EntityAddressCityOrTown	Southfield,
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MI
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	48034
	dei	City Area Code CityAreaCode	248
	dei	Local Phone Number LocalPhoneNumber	208-2500
	dei	Security12b Title Security12bTitle	Common Stock, $0.01 par value
	dei	Trading Symbol TradingSymbol	SUI
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
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CY2019Q2	sui	Distributions From Affiliate DistributionsFromAffiliate	393000	USD
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	sui	Distributions From Affiliate DistributionsFromAffiliate	737000	USD
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	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-235000	USD
CY2019Q2	us-gaap	Profit Loss ProfitLoss	45116000	USD
CY2018Q2	us-gaap	Profit Loss ProfitLoss	24170000	USD
	us-gaap	Profit Loss ProfitLoss	82243000	USD
	us-gaap	Profit Loss ProfitLoss	57771000	USD
CY2019Q2	sui	Preferredreturnto Series A1preferred O Punits PreferredreturntoSeriesA1preferredOPunits	1718000	USD
CY2018Q2	sui	Preferredreturnto Series A1preferred O Punits PreferredreturntoSeriesA1preferredOPunits	1103000	USD
	sui	Preferredreturnto Series A1preferred O Punits PreferredreturntoSeriesA1preferredOPunits	3041000	USD
	sui	Preferredreturnto Series A1preferred O Punits PreferredreturntoSeriesA1preferredOPunits	2183000	USD
CY2019Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2585000	USD
CY2018Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2227000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3626000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4321000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	40813000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	20840000	USD
	us-gaap	Net Income Loss NetIncomeLoss	75576000	USD
	us-gaap	Net Income Loss NetIncomeLoss	51267000	USD
CY2019Q2	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	428000	USD
CY2018Q2	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	432000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	860000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	873000	USD
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	40385000	USD
CY2018Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	20408000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	74716000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	50394000	USD
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	87130000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79612000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	86325000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79233000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	87564000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	80116000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	86770000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79905000	shares
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.63
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.25
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.86
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.25
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.86
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.63
CY2019Q2	us-gaap	Profit Loss ProfitLoss	45116000	USD
CY2018Q2	us-gaap	Profit Loss ProfitLoss	24170000	USD
	us-gaap	Profit Loss ProfitLoss	82243000	USD
	us-gaap	Profit Loss ProfitLoss	57771000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1913000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1594000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	3488000	USD
	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	3455000	USD
CY2019Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	43203000	USD
CY2018Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	22576000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	78755000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	54316000	USD
CY2019Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	2494000	USD
CY2018Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	2147000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	3458000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	4152000	USD
CY2019Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	40709000	USD
CY2018Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	20429000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	75297000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	50164000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	259844000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	198682000	USD
	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	262944000	USD
	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	157863000	USD
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	308165000	USD
	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	260426000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	28774000	USD
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	18776000	USD
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	0	USD
	us-gaap	Payments To Acquire Notes Receivable PaymentsToAcquireNotesReceivable	213000	USD
	sui	Repaymentof Notesand Other Receivables RepaymentofNotesandOtherReceivables	2307000	USD
	sui	Repaymentof Notesand Other Receivables RepaymentofNotesandOtherReceivables	1478000	USD
	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	30502000	USD
	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	9243000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-570530000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-407491000	USD
	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	443420000	USD
	us-gaap	Proceeds From Issuance Or Sale Of Equity ProceedsFromIssuanceOrSaleOfEquity	85969000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	2345659000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	1041876000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	2397580000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	546839000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	265000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	223559000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	235174000	USD
	sui	Prepayment Penalty Debt PrepaymentPenaltyDebt	0	USD
	sui	Prepayment Penalty Debt PrepaymentPenaltyDebt	1718000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	1618000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
	sui	Distributions To Stockholders Op Unit Holders And Preferred Op Unit Holders DistributionsToStockholdersOpUnitHoldersAndPreferredOpUnitHolders	133989000	USD
	sui	Distributions To Stockholders Op Unit Holders And Preferred Op Unit Holders DistributionsToStockholdersOpUnitHoldersAndPreferredOpUnitHolders	117054000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	3875000	USD
	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	602000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	294019000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	222353000	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	443000	USD
	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-252000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-16224000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	13292000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	62262000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	23509000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	46038000	USD
CY2018Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	36801000	USD
	us-gaap	Interest Paid Net InterestPaidNet	66947000	USD
	us-gaap	Interest Paid Net InterestPaidNet	62648000	USD
	us-gaap	Distributions On Mandatorily Redeemable Securities DistributionsOnMandatorilyRedeemableSecurities	2275000	USD
	us-gaap	Distributions On Mandatorily Redeemable Securities DistributionsOnMandatorilyRedeemableSecurities	1399000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	703000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	680000	USD
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	9432000	USD
	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	10940000	USD
	us-gaap	Dividends Dividends	6401000	USD
	us-gaap	Dividends Dividends	4106000	USD
	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	527000	USD
	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	1120000	USD
	sui	Conversion Of Series A Four Preferred Stock ConversionOfSeriesAFourPreferredStock	337000	USD
	sui	Conversion Of Series A Four Preferred Stock ConversionOfSeriesAFourPreferredStock	675000	USD
	sui	Stock Issued During Period Value New Issues Series A3 Preferred Op Units StockIssuedDuringPeriodValueNewIssuesSeriesA3PreferredOPUnits	0	USD
	sui	Stock Issued During Period Value New Issues Series A3 Preferred Op Units StockIssuedDuringPeriodValueNewIssuesSeriesA3PreferredOPUnits	3012000	USD
	sui	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Escrow NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationEscrow	1395000	USD
	sui	Noncash Or Part Noncash Acquisition Noncash Financial Or Equity Instrument Consideration Escrow NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationEscrow	0	USD
CY2018Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	63592000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3167322000	USD
CY2018Q4	sui	Temporary Equity And Stockholders Equity Including Portion Attributableto Noncontrolling Interest TemporaryEquityAndStockholdersEquityIncludingPortionAttributabletoNoncontrollingInterest	3230914000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	-4321000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	-4321000	USD
CY2019Q1	us-gaap	Temporary Equity Interest In Subsidiary Earnings TemporaryEquityInterestInSubsidiaryEarnings	256000	USD
CY2019Q1	sui	Variable Interest Entity Equity Interests Issued VariableInterestEntityEquityInterestsIssued	-256000	USD
CY2019Q1	sui	Stock Based Compensation Amortization And Forfeitures StockBasedCompensationAmortizationAndForfeitures	-3793000	USD
CY2019Q1	sui	Stock Based Compensation Amortization And Forfeitures StockBasedCompensationAmortizationAndForfeitures	-3793000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1575000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1575000	USD
CY2019Q1	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	178000	USD
CY2019Q1	sui	Net Income Loss Including Portion Attributableto Noncontrolling Interestand Returnsfrom Preferred Stock NetIncomeLossIncludingPortionAttributabletoNoncontrollingInterestandReturnsfromPreferredStock	36949000	USD
CY2019Q1	sui	Net Income Loss Including Portion Attributableto Noncontrolling Interestand Returnsfrom Preferred Stock And Temporary Equity NetIncomeLossIncludingPortionAttributabletoNoncontrollingInterestandReturnsfromPreferredStockAndTemporaryEquity	37127000	USD
CY2019Q1	sui	Temporary Equity Dividends TemporaryEquityDividends	528000	USD
CY2019Q1	us-gaap	Dividends Cash DividendsCash	68153000	USD
CY2019Q1	sui	Dividends Including Temporary Equity Cash DividendsIncludingTemporaryEquityCash	-68681000	USD
CY2019Q1	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	115428000	USD
CY2019Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3136909000	USD
CY2019Q1	sui	Temporary Equity And Stockholders Equity Including Portion Attributableto Noncontrolling Interest TemporaryEquityAndStockholdersEquityIncludingPortionAttributabletoNoncontrollingInterest	3252337000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	447741000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	447741000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	112000	USD
CY2019Q2	us-gaap	Reclassifications Of Temporary To Permanent Equity ReclassificationsOfTemporaryToPermanentEquity	-337000	USD
CY2019Q2	us-gaap	Temporary Equity Interest In Subsidiary Earnings TemporaryEquityInterestInSubsidiaryEarnings	117000	USD
CY2019Q2	sui	Variable Interest Entity Equity Interests Issued VariableInterestEntityEquityInterestsIssued	-117000	USD
CY2019Q2	sui	Stock Based Compensation Amortization And Forfeitures StockBasedCompensationAmortizationAndForfeitures	-4498000	USD
CY2019Q2	sui	Stock Based Compensation Amortization And Forfeitures StockBasedCompensationAmortizationAndForfeitures	-4498000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1913000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1913000	USD
CY2019Q2	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	15000	USD
CY2019Q2	sui	Net Income Loss Including Portion Attributableto Noncontrolling Interestand Returnsfrom Preferred Stock NetIncomeLossIncludingPortionAttributabletoNoncontrollingInterestandReturnsfromPreferredStock	45101000	USD
CY2019Q2	sui	Net Income Loss Including Portion Attributableto Noncontrolling Interestand Returnsfrom Preferred Stock And Temporary Equity NetIncomeLossIncludingPortionAttributabletoNoncontrollingInterestandReturnsfromPreferredStockAndTemporaryEquity	45116000	USD
CY2019Q2	sui	Temporary Equity Dividends TemporaryEquityDividends	558000	USD
CY2019Q2	us-gaap	Dividends Cash DividendsCash	71151000	USD
CY2019Q2	sui	Dividends Including Temporary Equity Cash DividendsIncludingTemporaryEquityCash	-71709000	USD
CY2019Q2	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	114553000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	3565343000	USD
CY2019Q2	sui	Temporary Equity And Stockholders Equity Including Portion Attributableto Noncontrolling Interest TemporaryEquityAndStockholdersEquityIncludingPortionAttributabletoNoncontrollingInterest	3679896000	USD
CY2018Q1	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	59000	USD
CY2018Q1	sui	Stock Issued During Period Including Temporary Equity Value Conversionof Convertible Securities StockIssuedDuringPeriodIncludingTemporaryEquityValueConversionofConvertibleSecurities	-1000	USD
CY2018Q1	sui	Stock Based Compensation Amortization And Forfeitures StockBasedCompensationAmortizationAndForfeitures	-3579000	USD
CY2017Q4	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	43066000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2663687000	USD
CY2017Q4	sui	Temporary Equity And Stockholders Equity Including Portion Attributableto Noncontrolling Interest TemporaryEquityAndStockholdersEquityIncludingPortionAttributabletoNoncontrollingInterest	2706753000	USD
CY2018Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	-3296000	USD
CY2018Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	-3296000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	737000000	USD
CY2018Q1	sui	Stock Based Compensation Amortization And Forfeitures StockBasedCompensationAmortizationAndForfeitures	-3579000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-1861000	USD
CY2018Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-1861000	USD
	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	71000	USD
CY2018Q1	sui	Net Income Loss Including Portion Attributableto Noncontrolling Interestand Returnsfrom Preferred Stock NetIncomeLossIncludingPortionAttributabletoNoncontrollingInterestandReturnsfromPreferredStock	33530000	USD
CY2018Q1	sui	Net Income Loss Including Portion Attributableto Noncontrolling Interestand Returnsfrom Preferred Stock And Temporary Equity NetIncomeLossIncludingPortionAttributabletoNoncontrollingInterestandReturnsfromPreferredStockAndTemporaryEquity	33601000	USD
	sui	Temporary Equity Dividends TemporaryEquityDividends	171000	USD
CY2018Q1	us-gaap	Dividends Cash DividendsCash	60047000	USD
CY2018Q1	sui	Dividends Including Temporary Equity Cash DividendsIncludingTemporaryEquityCash	-60218000	USD
CY2018Q1	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	42906000	USD
CY2018Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2635651000	USD
CY2018Q1	sui	Temporary Equity And Stockholders Equity Including Portion Attributableto Noncontrolling Interest TemporaryEquityAndStockholdersEquityIncludingPortionAttributabletoNoncontrollingInterest	2678557000	USD
CY2018Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	89265000	USD
CY2018Q2	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	89265000	USD
CY2018Q2	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	234000	USD
CY2018Q2	sui	Stock Issued During Period Including Temporary Equity Value Conversionof Convertible Securities StockIssuedDuringPeriodIncludingTemporaryEquityValueConversionofConvertibleSecurities	1000	USD
CY2018Q2	us-gaap	Reclassifications Of Temporary To Permanent Equity ReclassificationsOfTemporaryToPermanentEquity	-675000	USD
CY2018Q2	sui	Stock Based Compensation Amortization And Forfeitures StockBasedCompensationAmortizationAndForfeitures	-4374000	USD
CY2018Q2	sui	Stock Based Compensation Amortization And Forfeitures StockBasedCompensationAmortizationAndForfeitures	-4374000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1594000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1594000	USD
CY2018Q2	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	21869000	USD
CY2018Q2	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	21869000	USD
CY2018Q2	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	48000	USD
CY2018Q2	sui	Net Income Loss Including Portion Attributableto Noncontrolling Interestand Returnsfrom Preferred Stock NetIncomeLossIncludingPortionAttributabletoNoncontrollingInterestandReturnsfromPreferredStock	24122000	USD
CY2018Q2	sui	Net Income Loss Including Portion Attributableto Noncontrolling Interestand Returnsfrom Preferred Stock And Temporary Equity NetIncomeLossIncludingPortionAttributabletoNoncontrollingInterestandReturnsfromPreferredStockAndTemporaryEquity	24170000	USD
CY2018Q2	sui	Temporary Equity Dividends TemporaryEquityDividends	170000	USD
CY2018Q2	us-gaap	Dividends Cash DividendsCash	60745000	USD
CY2018Q2	sui	Dividends Including Temporary Equity Cash DividendsIncludingTemporaryEquityCash	-60915000	USD
CY2018Q2	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	63745000	USD
CY2018Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2691982000	USD
CY2018Q2	sui	Temporary Equity And Stockholders Equity Including Portion Attributableto Noncontrolling Interest TemporaryEquityAndStockholdersEquityIncludingPortionAttributabletoNoncontrollingInterest	2755727000	USD
CY2019Q2	us-gaap	Revenues Revenues	312445000	USD
CY2018Q2	us-gaap	Revenues Revenues	271434000	USD
	us-gaap	Revenues Revenues	599775000	USD
	us-gaap	Revenues Revenues	529409000	USD
	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	17600000	USD
CY2018	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	16100000	USD
CY2019Q2	us-gaap	Number Of Units In Real Estate Property NumberOfUnitsInRealEstateProperty	3877	site
CY2019Q2	sui	Numberof Unitsin Real Estate Property Development Sites NumberofUnitsinRealEstatePropertyDevelopmentSites	70	development_site
CY2019Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment	333994000	USD
CY2019Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Inventory BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory	2540000	USD
CY2019Q2	sui	Business Combination Recognized Identifiable Assets Acquiredand Liabilities Assumed Current Assets Liabilities Inventory BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsLiabilitiesInventory	13700000	USD
CY2019Q2	sui	Business Combination Recognized Identifiable Assets Acquiredand Liabilities Assumed Other Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOtherLiabilities	1993000	USD
CY2019Q2	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet	348241000	USD
	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	296311000	USD
	us-gaap	Business Combination Consideration Transferred Equity Interests Issued And Issuable BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable	51930000	USD
	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	348241000	USD
CY2019Q2	us-gaap	Business Acquisition Cost Of Acquired Entity Transaction Costs BusinessAcquisitionCostOfAcquiredEntityTransactionCosts	7100000	USD
CY2019Q2	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	9163000	USD
	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	12927000	USD
CY2019Q2	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	3556000	USD
	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	4873000	USD
CY2018Q4	us-gaap	Number Of Units In Real Estate Property NumberOfUnitsInRealEstateProperty	4882	site
CY2018Q4	sui	Numberof Unitsin Real Estate Property Development Sites NumberofUnitsinRealEstatePropertyDevelopmentSites	1166	development_site
CY2018Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Property Plant And Equipment BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment	346986000	USD
CY2018Q4	sui	Business Combination Recognized Identifiable Assets Acquiredand Liabilities Assumed Current Assets Liabilities Inventory BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedCurrentAssetsLiabilitiesInventory	17199000	USD
CY2018Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Noncurrent Liabilities Long Term Debt BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt	3120000	USD
CY2018Q4	sui	Business Combination Recognized Identifiable Assets Acquiredand Liabilities Assumed Other Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOtherLiabilities	11990000	USD
CY2018Q4	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet	349075000	USD
CY2018	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	291822000	USD
CY2018	us-gaap	Business Combination Consideration Transferred Equity Interests Issued And Issuable BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable	35277000	USD
CY2018	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	349075000	USD
CY2018Q4	sui	Numberof Unitsin Real Estate Property Land Development Sites NumberofUnitsinRealEstatePropertyLandDevelopmentSites	2275	development_site
CY2018	us-gaap	Payments To Acquire Land PaymentsToAcquireLand	14000000.0	USD
CY2019Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2400000	USD
CY2018Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2900000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	4800000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	5700000	USD
CY2018Q4	us-gaap	Other Borrowings OtherBorrowings	107731000	USD
CY2019Q2	us-gaap	Accounts And Notes Receivable Net AccountsAndNotesReceivableNet	164303000	USD
CY2018Q4	us-gaap	Accounts And Notes Receivable Net AccountsAndNotesReceivableNet	160077000	USD
CY2019Q2	sui	Other Receivables For Rent Water Sewer Usage OtherReceivablesForRentWaterSewerUsage	8200000	USD
CY2019Q2	sui	Allowance For Rent Water Sewer Usage Receivables AllowanceForRentWaterSewerUsageReceivables	1500000	USD
	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	17600000	USD
CY2019Q2	sui	Insurance Receivables InsuranceReceivables	12000000.0	USD
CY2019Q2	us-gaap	Other Receivables OtherReceivables	21900000	USD
CY2018Q4	sui	Other Receivables For Rent Water Sewer Usage OtherReceivablesForRentWaterSewerUsage	7100000	USD
CY2018Q4	sui	Allowance For Rent Water Sewer Usage Receivables AllowanceForRentWaterSewerUsageReceivables	1500000	USD
CY2018	us-gaap	Contract With Customer Asset Reclassified To Receivable ContractWithCustomerAssetReclassifiedToReceivable	16100000	USD
CY2018Q4	sui	Insurance Receivables InsuranceReceivables	24100000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	134966000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	68891000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	120188000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	61010000	USD
CY2019Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4005000	USD
CY2018Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3364000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7881000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6728000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	7830000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	14144000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	13752000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	9151000	USD
CY2019Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	5776000	USD
CY2019Q2	us-gaap	Equity Method Investments EquityMethodInvestments	63700000	USD
CY2018Q4	us-gaap	Equity Method Investments EquityMethodInvestments	30600000	USD
CY2019Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	393000000	USD
CY2018Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-8000000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-67000000	USD
CY2019Q2	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	511000	USD
CY2019Q2	sui	Variable Interest Entityasa Percentageof Consolidated Assets VariableInterestEntityasaPercentageofConsolidatedAssets	0.048	Rate
CY2018Q4	sui	Variable Interest Entityasa Percentageof Consolidated Assets VariableInterestEntityasaPercentageofConsolidatedAssets	0.049	Rate
CY2019Q2	sui	Variable Interest Entityasa Percentageof Consolidated Liabilities VariableInterestEntityasaPercentageofConsolidatedLiabilities	0.031	Rate
CY2018Q4	sui	Variable Interest Entityasa Percentageof Consolidated Liabilities VariableInterestEntityasaPercentageofConsolidatedLiabilities	0.026	Rate
CY2019Q2	sui	Vi Easa Percentageof Total Equity VIEasaPercentageofTotalEquity	0.010
CY2018Q4	us-gaap	Line Of Credit LineOfCredit	128000000	USD
CY2019Q2	sui	Secured Debt And Other Borrowings SecuredDebtAndOtherBorrowings	3107775000	USD
CY2018Q4	sui	Secured Debt And Other Borrowings SecuredDebtAndOtherBorrowings	3124303000	USD
	sui	Debtweightedaveragetomaturitylength Debtweightedaveragetomaturitylength	P9Y10M24D
CY2018	sui	Debtweightedaveragetomaturitylength Debtweightedaveragetomaturitylength	P9Y
CY2019Q2	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.044
CY2018Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.045
CY2018Q2	sui	Numberof Real Estate Units Released NumberofRealEstateUnitsReleased	11	community
CY2018Q1	sui	Numberof Real Estate Units Released NumberofRealEstateUnitsReleased	3	community
CY2019Q2	us-gaap	Secured Debt SecuredDebt	2900000000	USD
CY2018Q2	sui	Financial Instruments Subjectto Mandatory Redemption Rate Of Return FinancialInstrumentsSubjecttoMandatoryRedemptionRateOfReturn	0.060
CY2019Q2	us-gaap	Sale Of Stock Number Of Shares Issued In Transaction SaleOfStockNumberOfSharesIssuedInTransaction	3737500	shares
CY2019Q2	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	452100000	USD
	sui	Aggregate Valueof Sharestobe Issuedin Accordanceto Sales Agreement AggregateValueofSharestobeIssuedinAccordancetoSalesAgreement	450000000.0	USD
	sui	Commission Maximum Percentageof Gross Sales Price Per Share Accordingto Sales Agreement CommissionMaximumPercentageofGrossSalesPricePerShareAccordingtoSalesAgreement	0.020
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	163800000	USD
	sui	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Percent Expected To Vest SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsPercentExpectedToVest	0.751
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	100000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2019Q2	us-gaap	Profit Loss ProfitLoss	45116000	USD
CY2018Q2	us-gaap	Profit Loss ProfitLoss	24170000	USD
CY2019Q2	sui	Preferredreturnto Series A1preferred O Punits PreferredreturntoSeriesA1preferredOPunits	1718000	USD
CY2018Q2	sui	Preferredreturnto Series A1preferred O Punits PreferredreturntoSeriesA1preferredOPunits	1103000	USD
CY2019Q2	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	2585000	USD
CY2018Q2	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	2227000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	40813000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	20840000	USD
CY2019Q2	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	428000	USD
CY2018Q2	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	432000	USD
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	40385000	USD
CY2018Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	20408000	USD
	us-gaap	Profit Loss ProfitLoss	82243000	USD
	us-gaap	Profit Loss ProfitLoss	57771000	USD
	sui	Preferredreturnto Series A1preferred O Punits PreferredreturntoSeriesA1preferredOPunits	3041000	USD
	sui	Preferredreturnto Series A1preferred O Punits PreferredreturntoSeriesA1preferredOPunits	2183000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	3626000	USD
	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Redeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsRedeemable	4321000	USD
	us-gaap	Net Income Loss NetIncomeLoss	75576000	USD
	us-gaap	Net Income Loss NetIncomeLoss	51267000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	860000	USD
	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	873000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	74716000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	50394000	USD
CY2019Q2	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	6567844000	USD
CY2018Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	6118316000	USD
CY2019Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	28704000	USD
CY2019Q2	us-gaap	Marketable Securities MarketableSecurities	53553000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	50311000	USD
CY2018Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	20408000	USD
CY2018Q4	us-gaap	Marketable Securities MarketableSecurities	49037000	USD
CY2019Q2	us-gaap	Inventory Finished Homes InventoryFinishedHomes	55869000	USD
CY2018Q4	us-gaap	Inventory Finished Homes InventoryFinishedHomes	49199000	USD
CY2019Q2	us-gaap	Accounts And Notes Receivable Net AccountsAndNotesReceivableNet	164303000	USD
CY2018Q4	us-gaap	Accounts And Notes Receivable Net AccountsAndNotesReceivableNet	160077000	USD
CY2019Q2	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	97658000	USD
CY2018Q4	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	106924000	USD
CY2019Q2	us-gaap	Other Assets OtherAssets	254153000	USD
CY2018Q4	us-gaap	Other Assets OtherAssets	176162000	USD
CY2019Q2	us-gaap	Assets Assets	7222084000	USD
CY2018Q4	us-gaap	Assets Assets	6710026000	USD
	sui	Minimum Percent Of Income From Qualifying Sources To Allow For Real Estate Investment Trust Classification MinimumPercentOfIncomeFromQualifyingSourcesToAllowForRealEstateInvestmentTrustClassification	0.95
	sui	Required Minimum Percent Of Taxable Income Distributed To Stock Holders RequiredMinimumPercentOfTaxableIncomeDistributedToStockHolders	0.90
CY2019Q2	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	300000	USD
CY2018Q2	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	200000	USD
	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	500000	USD
	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	400000	USD
CY2019Q2	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-100000	USD
CY2018Q2	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	100000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-300000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-200000	USD
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	40385000	USD
CY2018Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	20408000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	74716000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	50394000	USD
CY2019Q2	sui	Incomeloss Attributableto Common Stockholders Allocable To Non Vested Restricted Shares IncomelossAttributabletoCommonStockholdersAllocableToNonVestedRestrictedShares	-448000	USD
CY2018Q2	sui	Incomeloss Attributableto Common Stockholders Allocable To Non Vested Restricted Shares IncomelossAttributabletoCommonStockholdersAllocableToNonVestedRestrictedShares	-119000	USD
	sui	Incomeloss Attributableto Common Stockholders Allocable To Non Vested Restricted Shares IncomelossAttributabletoCommonStockholdersAllocableToNonVestedRestrictedShares	-887000	USD
	sui	Incomeloss Attributableto Common Stockholders Allocable To Non Vested Restricted Shares IncomelossAttributabletoCommonStockholdersAllocableToNonVestedRestrictedShares	-422000	USD
CY2019Q2	sui	Netincomeattributabletocommonshareholdersafterrestrictedstockallocation Netincomeattributabletocommonshareholdersafterrestrictedstockallocation	39937000	USD
CY2018Q2	sui	Netincomeattributabletocommonshareholdersafterrestrictedstockallocation Netincomeattributabletocommonshareholdersafterrestrictedstockallocation	20289000	USD
	sui	Netincomeattributabletocommonshareholdersafterrestrictedstockallocation Netincomeattributabletocommonshareholdersafterrestrictedstockallocation	73829000	USD
	sui	Netincomeattributabletocommonshareholdersafterrestrictedstockallocation Netincomeattributabletocommonshareholdersafterrestrictedstockallocation	49972000	USD
CY2019Q2	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	448000	USD
CY2018Q2	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	119000	USD
	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	887000	USD
	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	422000	USD
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	40385000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	74716000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	50394000	USD
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	87130000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79612000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	86325000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	79233000	shares
CY2019Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1000	shares
CY2018Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	2000	shares
CY2019Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	433000	shares
CY2018Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	502000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	444000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	670000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	87564000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	80116000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	86770000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	79905000	shares
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.46
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.25
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.86
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.63
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.46
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.25
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.86
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.63
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	6198000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	6181000	shares
CY2018Q4	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	54000000	USD
CY2019Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	28704000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	50311000	USD
CY2018Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	20046000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	10127000	USD
CY2019Q2	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	17334000	USD
CY2018Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	11951000	USD
CY2018Q2	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	16755000	USD
CY2017Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	13382000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	46038000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	62262000	USD
CY2018Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	36801000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	23509000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	1086000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	105000	USD
CY2019Q2	sui	Operating And Finance Leases Liability Payments Remainderof Fiscal Year OperatingAndFinanceLeasesLiabilityPaymentsRemainderofFiscalYear	1191000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	2397000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	120000	USD
CY2019Q2	sui	Operating And Finance Leases Liability Payments Due Year Two OperatingAndFinanceLeasesLiabilityPaymentsDueYearTwo	2517000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2446000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	120000	USD
CY2019Q2	sui	Operating And Finance Leases Liability Payments Due Year Three OperatingAndFinanceLeasesLiabilityPaymentsDueYearThree	2566000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	2483000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	120000	USD
CY2019Q2	sui	Operating And Finance Leases Liability Payments Due Year Four OperatingAndFinanceLeasesLiabilityPaymentsDueYearFour	2603000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	2509000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	120000	USD
CY2019Q2	sui	Operating And Finance Leases Liability Payments Due Year Five OperatingAndFinanceLeasesLiabilityPaymentsDueYearFive	2629000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	13725000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	4060000	USD
CY2019Q2	sui	Operating And Finance Leases Liability Payments Dueafter Year Five OperatingAndFinanceLeasesLiabilityPaymentsDueafterYearFive	17785000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	24646000	USD
CY2019Q2	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	4645000	USD
CY2019Q2	sui	Operating And Finance Leases Liability Payment Due OperatingAndFinanceLeasesLiabilityPaymentDue	29291000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	6083000	USD
CY2019Q2	sui	Operating And Finance Leases Liability Undiscounted Excess Amount OperatingAndFinanceLeasesLiabilityUndiscountedExcessAmount	6594000	USD
CY2019Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	18563000	USD
CY2019Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	4134000	USD
CY2019Q2	sui	Operating And Finance Leases Liability OperatingAndFinanceLeasesLiability	22697000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	4134000	USD
CY2018Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	4098000	USD
	sui	Rightof Use Asset Obtainedin Exchangefor New Operating Lease Liability RightofUseAssetObtainedinExchangeforNewOperatingLeaseLiability	18316000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	28742000	USD
CY2018Q4	us-gaap	Below Market Lease Net BelowMarketLeaseNet	29118000	USD
CY2019Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	4134000	USD
CY2018Q4	us-gaap	Capital Lease Obligations CapitalLeaseObligations	4098000	USD
CY2019Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	18563000	USD
CY2019Q2	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	18000	USD
	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	36000	USD
CY2019Q2	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	26000	USD
	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	52000	USD
CY2019Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	982000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	1804000	USD
CY2019Q2	us-gaap	Lease Cost LeaseCost	1453000	USD
	us-gaap	Lease Cost LeaseCost	2638000	USD
CY2018Q2	us-gaap	Capital Leases Income Statement Amortization Expense CapitalLeasesIncomeStatementAmortizationExpense	18000	USD
	us-gaap	Capital Leases Income Statement Amortization Expense CapitalLeasesIncomeStatementAmortizationExpense	36000	USD
CY2018Q2	us-gaap	Capital Leases Income Statement Interest Expense CapitalLeasesIncomeStatementInterestExpense	26000	USD
	us-gaap	Capital Leases Income Statement Interest Expense CapitalLeasesIncomeStatementInterestExpense	52000	USD
CY2018Q2	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	829000	USD
	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1680000	USD
CY2018Q2	us-gaap	Lease Cost LeaseCost	1096000	USD
	us-gaap	Lease Cost LeaseCost	2213000	USD
CY2019Q2	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P5Y
CY2019Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P12Y3M
CY2019Q2	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0250
CY2019Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0406
	us-gaap	Operating Lease Payments OperatingLeasePayments	1130000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	2052000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	15000	USD
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	15000	USD
	sui	Operating And Finance Lease Payments OperatingAndFinanceLeasePayments	1145000	USD
	sui	Operating And Finance Lease Payments OperatingAndFinanceLeasePayments	2067000	USD
CY2019Q2	sui	Lessee Operating Lease Lease Not Yet Commenced Value LesseeOperatingLeaseLeaseNotYetCommencedValue	2900000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Lease Not Yet Commenced Term Of Contract1 LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1	P7Y

Files In Submission

Name	View Source	Status
0000912593-19-000109-index-headers.html	Edgar Link	pending
0000912593-19-000109-index.html	Edgar Link	pending
0000912593-19-000109.txt	Edgar Link	pending
0000912593-19-000109-xbrl.zip	Edgar Link	pending
exhibit311-06302019ceo.htm	Edgar Link	pending
exhibit312-06302019cfo.htm	Edgar Link	pending
exhibit321-06302019ceo.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending
sui-20190630.xsd	Edgar Link	pending
sui-20190630_cal.xml	Edgar Link	unprocessable
sui-20190630_def.xml	Edgar Link	unprocessable
sui-20190630_lab.xml	Edgar Link	unprocessable
sui-20190630_pre.xml	Edgar Link	unprocessable
sui2019063010-q.htm	Edgar Link	pending
sui2019063010-q_htm.xml	Edgar Link	completed

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$SUI
SUN COMMUNITIES INC Stock $sui

2019 Q2 Form 10-Q Financial Statement

#000091259319000109 Filed on July 25, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SUI SUN COMMUNITIES INC Stock $sui

2019 Q2 Form 10-Q Financial Statement

#000091259319000109 Filed on July 25, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SUI
SUN COMMUNITIES INC Stock $sui