$AVB
AVALONBAY COMMUNITIES INC Stock $avb

$avb Overview Financials Valuation SEC Filings Company Website

2015 Q4 Form 10-K Financial Statement

#000091591217000004 Filed on February 24, 2017

Income Statement

Concept	2015 Q4	2015 Q3	2015 Q2
Revenue	$480.8M	$475.4M	$457.5M
YoY Change	9.12%	10.41%	10.55%
Cost Of Revenue	$158.2M	$166.1M	$158.0M
YoY Change	3.67%	10.59%	10.1%
Gross Profit	$322.6M	$309.3M	$299.5M
YoY Change	11.98%	10.35%	10.8%
Gross Profit Margin	67.09%	65.07%	65.47%
Selling, General & Admin	$9.800M	$10.50M	$10.30M
YoY Change	-8.41%	-7.08%	0.98%
% of Gross Profit	3.04%	3.39%	3.44%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$122.2M	$120.2M	$118.6M
YoY Change	7.1%	7.46%	7.46%
% of Gross Profit	37.88%	38.86%	39.61%
Operating Expenses	$132.1M	$325.0M	$307.3M
YoY Change	5.85%	1.53%	-0.94%
Operating Profit	$190.5M	$314.7M	$311.0M
YoY Change	16.66%	8.36%	12.05%
Interest Expense	-$41.10M	$43.23M	$44.59M
YoY Change	-3.97%	-6.78%	1.99%
% of Operating Profit	-21.57%	13.74%	14.34%
Other Income/Expense, Net		$3.391M
YoY Change		735.22%
Pretax Income	$157.2M	$206.1M	$173.5M
YoY Change	3.49%	-14.48%	0.78%
Income Tax	$1.900M	$39.00K	$1.293M
% Of Pretax Income	1.21%	0.02%	0.75%
Net Earnings	$155.4M	$206.1M	$172.3M
YoY Change	9.0%	-14.49%	0.03%
Net Earnings / Revenue	32.31%	43.35%	37.65%
Basic Earnings Per Share	$1.13	$1.54	$1.30
Diluted Earnings Per Share	$1.13	$1.53	$1.29
COMMON SHARES
Basic Shares Outstanding	136.9M shares	133.7M shares	132.0M shares
Diluted Shares Outstanding		134.7M shares	133.1M shares

Balance Sheet

Concept	2015 Q4	2015 Q3	2015 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$401.0M	$319.0M	$65.00M
YoY Change	-21.22%	-27.5%	-84.74%
Cash & Equivalents	$400.5M	$318.6M	$65.13M
Short-Term Investments
Other Short-Term Assets	$199.0M	$201.0M	$207.0M
YoY Change	-2.93%	-4.74%	0.98%
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$600.0M	$520.0M	$272.0M
YoY Change	-15.97%	-20.12%	-56.89%
LONG-TERM ASSETS
Property, Plant & Equipment	$15.94B	$15.79B	$15.58B
YoY Change	6.74%	7.25%	7.38%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$217.0M	$269.0M	$265.0M
YoY Change	-27.18%	-11.8%	-16.93%
Other Assets	$142.0M	$172.0M	$172.0M
YoY Change	-12.88%	0.0%	1.78%
Total Long-Term Assets	$16.33B	$16.26B	$16.05B
YoY Change	5.86%	6.77%	6.8%
TOTAL ASSETS
Total Short-Term Assets	$600.0M	$520.0M	$272.0M
Total Long-Term Assets	$16.33B	$16.26B	$16.05B
Total Assets	$16.93B	$16.78B	$16.32B
YoY Change	4.9%	5.67%	4.23%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$99.00M	$103.0M	$109.0M
YoY Change	-2.94%	5.1%	13.54%
Accrued Expenses	$300.0M	$307.0M	$283.0M
YoY Change	4.9%	10.04%	5.6%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$623.0M	$635.0M	$612.0M
YoY Change	5.59%	9.48%	8.32%
LONG-TERM LIABILITIES
Long-Term Debt	$6.457B	$6.307B	$6.487B
YoY Change	-0.51%	1.04%	3.71%
Other Long-Term Liabilities	$1.000M	$0.00	$1.000M
YoY Change	-50.0%	-100.0%
Total Long-Term Liabilities	$6.458B	$6.307B	$6.488B
YoY Change	-0.52%	1.01%	3.73%
TOTAL LIABILITIES
Total Short-Term Liabilities	$623.0M	$635.0M	$612.0M
Total Long-Term Liabilities	$6.458B	$6.307B	$6.488B
Total Liabilities	$7.081B	$6.942B	$7.099B
YoY Change	-0.01%	1.74%	4.09%
SHAREHOLDERS EQUITY
Retained Earnings	-$198.0M	-$182.5M	-$217.4M
YoY Change	-25.87%	-28.76%	-37.44%
Common Stock	$1.370M	$1.369M	$1.329M
YoY Change	3.79%	3.71%	1.37%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$9.841B	$9.829B	$9.210B
YoY Change
Total Liabilities & Shareholders Equity	$16.93B	$16.78B	$16.32B
YoY Change	4.9%	5.67%	4.23%

Cashflow Statement

Concept	2015 Q4	2015 Q3	2015 Q2
OPERATING ACTIVITIES
Net Income	$155.4M	$206.1M	$172.3M
YoY Change	9.0%	-14.49%	0.03%
Depreciation, Depletion And Amortization	$122.2M	$120.2M	$118.6M
YoY Change	7.1%	7.46%	7.46%
Cash From Operating Activities	$262.5M	$302.4M	$255.5M
YoY Change	7.06%	30.51%	34.9%
INVESTING ACTIVITIES
Capital Expenditures	-$314.1M	-$393.6M	-$330.2M
YoY Change	-20.3%	20.37%	16.39%
Acquisitions
YoY Change
Other Investing Activities	$101.1M	$101.4M	$78.10M
YoY Change	36.99%	-28.59%	-60.25%
Cash From Investing Activities	-$213.0M	-$292.2M	-$252.1M
YoY Change	-33.5%	57.95%	189.44%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	32.50M	243.2M	-134.4M
YoY Change	-77.51%	-848.31%	115.04%
NET CHANGE
Cash From Operating Activities	262.5M	302.4M	255.5M
Cash From Investing Activities	-213.0M	-292.2M	-252.1M
Cash From Financing Activities	32.50M	243.2M	-134.4M
Net Change In Cash	82.00M	253.4M	-131.0M
YoY Change	18.16%	1684.51%	-429.15%
FREE CASH FLOW
Cash From Operating Activities	$262.5M	$302.4M	$255.5M
Capital Expenditures	-$314.1M	-$393.6M	-$330.2M
Free Cash Flow	$576.6M	$696.0M	$585.7M
YoY Change	-9.81%	24.57%	23.8%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2016	avb	Accounts Receivable Balancetobe Received Period AccountsReceivableBalancetobeReceivedPeriod	P35Y
CY2016Q4	avb	Additional Numberof Communities Expected To Be Developed AdditionalNumberofCommunitiesExpectedToBeDeveloped	25	community
CY2016	avb	Anniversary Of Completion Of Development Or Redevelopment AnniversaryOfCompletionOfDevelopmentOrRedevelopment	P1Y
CY2016	avb	Attainment Percentage Of Physical Occupancy AttainmentPercentageOfPhysicalOccupancy	0.95
CY2014	avb	Business Combination Acquisition Related Costs Abandoned Pursuit Costs BusinessCombinationAcquisitionRelatedCostsAbandonedPursuitCosts	3964000	USD
CY2015	avb	Business Combination Acquisition Related Costs Abandoned Pursuit Costs BusinessCombinationAcquisitionRelatedCostsAbandonedPursuitCosts	3016000	USD
CY2016	avb	Business Combination Acquisition Related Costs Abandoned Pursuit Costs BusinessCombinationAcquisitionRelatedCostsAbandonedPursuitCosts	4183000	USD
CY2014	avb	Capital Gain Tax Rate CapitalGainTaxRate	0.2
CY2015	avb	Capital Gain Tax Rate CapitalGainTaxRate	0.2
CY2016	avb	Capital Gain Tax Rate CapitalGainTaxRate	0.2
CY2014	avb	Casualty Gainand Impairment Loss Net Operating Activities CasualtyGainandImpairmentLossNetOperatingActivities	0	USD
CY2015	avb	Casualty Gainand Impairment Loss Net Operating Activities CasualtyGainandImpairmentLossNetOperatingActivities	-17303000	USD
CY2016	avb	Casualty Gainand Impairment Loss Net Operating Activities CasualtyGainandImpairmentLossNetOperatingActivities	-3935000	USD
CY2014	avb	Common Stock Dividends Long Term Capital Gain Percentage CommonStockDividendsLongTermCapitalGainPercentage	0.29
CY2015	avb	Common Stock Dividends Long Term Capital Gain Percentage CommonStockDividendsLongTermCapitalGainPercentage	0.12
CY2016	avb	Common Stock Dividends Long Term Capital Gain Percentage CommonStockDividendsLongTermCapitalGainPercentage	0.26
CY2014	avb	Common Stock Dividends Ordinary Taxable Distribution Percentage CommonStockDividendsOrdinaryTaxableDistributionPercentage	0.62
CY2015	avb	Common Stock Dividends Ordinary Taxable Distribution Percentage CommonStockDividendsOrdinaryTaxableDistributionPercentage	0.83
CY2016	avb	Common Stock Dividends Ordinary Taxable Distribution Percentage CommonStockDividendsOrdinaryTaxableDistributionPercentage	0.68
CY2014	avb	Common Stock Dividends Unrecaptured Section1250 Gain Percentage CommonStockDividendsUnrecapturedSection1250GainPercentage	0.09
CY2015	avb	Common Stock Dividends Unrecaptured Section1250 Gain Percentage CommonStockDividendsUnrecapturedSection1250GainPercentage	0.05
CY2016	avb	Common Stock Dividends Unrecaptured Section1250 Gain Percentage CommonStockDividendsUnrecapturedSection1250GainPercentage	0.06
CY2014	avb	Disposal Group Not Discontinued Operation Net Operating Income From Assets Heldfor Sale Not Classifiedas Discontinued Operations DisposalGroupNotDiscontinuedOperationNetOperatingIncomeFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations	49708000	USD
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CY2016Q4	avb	Equity Method Investment Summarized Financial Information Assets Other Assets EquityMethodInvestmentSummarizedFinancialInformationAssetsOtherAssets	49519000	USD
CY2014	avb	Equity Method Investment Summarized Financial Information Depreciation And Amortization EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization	52116000	USD
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CY2016	avb	Equity Method Investment Summarized Financial Information Depreciation And Amortization EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization	34471000	USD
CY2014	avb	Equity Method Investment Summarized Financial Information Interest Expense EquityMethodInvestmentSummarizedFinancialInformationInterestExpense	61458000	USD
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CY2016	avb	Equity Method Investment Summarized Financial Information Interest Expense EquityMethodInvestmentSummarizedFinancialInformationInterestExpense	45886000	USD
CY2015Q4	avb	Equity Method Investment Summarized Financial Information Liabilities Other Liabilities EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesOtherLiabilities	20471000	USD
CY2016Q4	avb	Equity Method Investment Summarized Financial Information Liabilities Other Liabilities EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesOtherLiabilities	16537000	USD
CY2015Q4	avb	Equity Method Investment Summarized Financial Information Mortgage Notes Payable And Credit Facility EquityMethodInvestmentSummarizedFinancialInformationMortgageNotesPayableAndCreditFacility	947205000	USD
CY2016Q4	avb	Equity Method Investment Summarized Financial Information Mortgage Notes Payable And Credit Facility EquityMethodInvestmentSummarizedFinancialInformationMortgageNotesPayableAndCreditFacility	689573000	USD
CY2014	avb	Equity Method Investment Summarized Financial Information Operating And Other Expenses EquityMethodInvestmentSummarizedFinancialInformationOperatingAndOtherExpenses	80301000	USD
CY2015	avb	Equity Method Investment Summarized Financial Information Operating And Other Expenses EquityMethodInvestmentSummarizedFinancialInformationOperatingAndOtherExpenses	67962000	USD
CY2016	avb	Equity Method Investment Summarized Financial Information Operating And Other Expenses EquityMethodInvestmentSummarizedFinancialInformationOperatingAndOtherExpenses	50945000	USD
CY2015Q4	avb	Equity Method Investment Summarized Financial Information Real Estate Net EquityMethodInvestmentSummarizedFinancialInformationRealEstateNet	1392833000	USD
CY2016Q4	avb	Equity Method Investment Summarized Financial Information Real Estate Net EquityMethodInvestmentSummarizedFinancialInformationRealEstateNet	954493000	USD
CY2016Q4	avb	Estimated Number Of Apartment Homes In Communities Expected To Be Developed EstimatedNumberOfApartmentHomesInCommunitiesExpectedToBeDeveloped	8487	home
CY2014Q4	avb	Excise Tax Refund ExciseTaxRefund	0	USD
CY2015Q4	avb	Excise Tax Refund ExciseTaxRefund	0	USD
CY2016Q4	avb	Excise Tax Refund ExciseTaxRefund	0	USD
CY2016Q4	avb	Expected Aggregate Number Of Apartment Homes To Be Constructed ExpectedAggregateNumberOfApartmentHomesToBeConstructed	9129	home
CY2014	avb	Gainonsaleofrealestateassetsincontinuingoperations Gainonsaleofrealestateassetsincontinuingoperations	85415000	USD
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CY2016	avb	Gainonsaleofrealestateassetsincontinuingoperations Gainonsaleofrealestateassetsincontinuingoperations	384847000	USD
CY2014	avb	Indirect Operating Expenses Net Of Corporate Income IndirectOperatingExpensesNetOfCorporateIncome	49055000	USD
CY2015	avb	Indirect Operating Expenses Net Of Corporate Income IndirectOperatingExpensesNetOfCorporateIncome	56973000	USD
CY2016	avb	Indirect Operating Expenses Net Of Corporate Income IndirectOperatingExpensesNetOfCorporateIncome	61403000	USD
CY2016	avb	Minimum Percentage Of Distribution Of Adjusted Taxable Income For Deducting Dividends From Federally Taxable Income MinimumPercentageOfDistributionOfAdjustedTaxableIncomeForDeductingDividendsFromFederallyTaxableIncome	0.9
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CY2016	avb	Number Of Executives In Employment Agreements NumberOfExecutivesInEmploymentAgreements	2	person
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CY2016Q4	avb	Numberof Land Parcels Held For Sale NumberofLandParcelsHeldForSale	2	land_parcel
CY2016	avb	Numberof Land Parcels Impaired NumberofLandParcelsImpaired	3	land_parcel
CY2016	avb	Numberof Land Parcels Sold NumberofLandParcelsSold	1	land_parcel
CY2016Q4	avb	Numberof Limited Liability Company Agreements NumberofLimitedLiabilityCompanyAgreements	3	agreement
CY2016Q4	avb	Numberof Office Leases NumberofOfficeLeases	13	Lease
CY2014	avb	Operating Expenses From Assets Heldfor Sale Not Classifiedas Discontinued Operations OperatingExpensesFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations	30996000	USD
CY2015	avb	Operating Expenses From Assets Heldfor Sale Not Classifiedas Discontinued Operations OperatingExpensesFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations	21541000	USD
CY2016	avb	Operating Expenses From Assets Heldfor Sale Not Classifiedas Discontinued Operations OperatingExpensesFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations	10921000	USD
CY2014	avb	Payment For Redemption Of Preferred Interest Obligation PaymentForRedemptionOfPreferredInterestObligation	6300000	USD
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CY2016	avb	Percentage Change Of Net Operating Income From Prior Year PercentageChangeOfNetOperatingIncomeFromPriorYear	0.137
CY2016	avb	Period Of Lease Life PeriodOfLeaseLife	P1Y
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CY2014	avb	Real Estate Dispositions Including Impairment Loss On Planned Dispositions RealEstateDispositionsIncludingImpairmentLossOnPlannedDispositions	262008000	USD
CY2015	avb	Real Estate Dispositions Including Impairment Loss On Planned Dispositions RealEstateDispositionsIncludingImpairmentLossOnPlannedDispositions	249206000	USD
CY2016	avb	Real Estate Dispositions Including Impairment Loss On Planned Dispositions RealEstateDispositionsIncludingImpairmentLossOnPlannedDispositions	279988000	USD
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CY2015Q4	avb	Real Estate Gross At Carrying Value Excluding Gross Real Estate Assets Held For Sale RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale	19228571000	USD
CY2016Q4	avb	Real Estate Gross At Carrying Value Excluding Gross Real Estate Assets Held For Sale RealEstateGrossAtCarryingValueExcludingGrossRealEstateAssetsHeldForSale	20755780000	USD
CY2014	avb	Reconciliation Of Income From Book Basis To Tax Basis Casualty And Impairment Loss ReconciliationOfIncomeFromBookBasisToTaxBasisCasualtyAndImpairmentLoss	0	USD
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CY2016	dei	Entity Registrant Name EntityRegistrantName	AVALONBAY COMMUNITIES INC
CY2016	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2016	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
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CY2016	avb	Reconciliation Of Income From Book Basis To Tax Basis Net Income Loss Tax Basis ReconciliationOfIncomeFromBookBasisToTaxBasisNetIncomeLossTaxBasis	800936000	USD
CY2014	avb	Reconciliation Of Income From Book Basis To Tax Basis Other Adjustments ReconciliationOfIncomeFromBookBasisToTaxBasisOtherAdjustments	14323000	USD
CY2015	avb	Reconciliation Of Income From Book Basis To Tax Basis Other Adjustments ReconciliationOfIncomeFromBookBasisToTaxBasisOtherAdjustments	-12829000	USD
CY2016	avb	Reconciliation Of Income From Book Basis To Tax Basis Other Adjustments ReconciliationOfIncomeFromBookBasisToTaxBasisOtherAdjustments	-10000	USD
CY2014	avb	Revenue From Assets Heldfor Sale Not Classifiedas Discontinued Operations RevenueFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations	80704000	USD
CY2015	avb	Revenue From Assets Heldfor Sale Not Classifiedas Discontinued Operations RevenueFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations	55674000	USD
CY2016	avb	Revenue From Assets Heldfor Sale Not Classifiedas Discontinued Operations RevenueFromAssetsHeldforSaleNotClassifiedasDiscontinuedOperations	28430000	USD
CY2016Q4	avb	Total Imputed Interest On Capital Leases Future Minimum Payments Due TotalImputedInterestOnCapitalLeasesFutureMinimumPaymentsDue	27374000	USD
CY2016Q4	avb	Total Leases Future Minimum Payments Due In Five Years TotalLeasesFutureMinimumPaymentsDueInFiveYears	20856000	USD
CY2016Q4	avb	Total Leases Future Minimum Payments Due In Four Years TotalLeasesFutureMinimumPaymentsDueInFourYears	22322000	USD
CY2016Q4	avb	Total Leases Future Minimum Payments Due In Three Years TotalLeasesFutureMinimumPaymentsDueInThreeYears	24524000	USD
CY2016Q4	avb	Total Leases Future Minimum Payments Due In Two Years TotalLeasesFutureMinimumPaymentsDueInTwoYears	24421000	USD
CY2016Q4	avb	Total Leases Future Minimum Payments Due Next Twelve Months TotalLeasesFutureMinimumPaymentsDueNextTwelveMonths	41692000	USD
CY2016Q4	avb	Total Leases Future Minimum Payments Due Thereafter TotalLeasesFutureMinimumPaymentsDueThereafter	1249015000	USD
CY2016	dei	Amendment Flag AmendmentFlag	false
CY2016	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2016	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2016	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2016
CY2016	dei	Document Period End Date DocumentPeriodEndDate	2016-12-31
CY2016	dei	Document Type DocumentType	10-K
CY2016	dei	Entity Central Index Key EntityCentralIndexKey	0000915912
CY2017Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	137330988	shares
CY2016	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2016	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2016Q2	dei	Entity Public Float EntityPublicFloat	24703191114	USD
CY2015Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	260005000	USD
CY2016Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	274676000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-31387000	USD
CY2016Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-30510000	USD
CY2015Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	10068532000	USD
CY2016Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	10105654000	USD
CY2014	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	4746000	USD
CY2015	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	5979000	USD
CY2016	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	8356000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	26776000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	26258000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	25140000	USD
CY2014	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	13314000	USD
CY2015	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14703000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14666000	USD
CY2014	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-34961000	USD
CY2015	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-24261000	USD
CY2016	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-18866000	USD
CY2014	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	6383000	USD
CY2015	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	6871000	USD
CY2016	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	7661000	USD
CY2014	us-gaap	Asset Management Costs AssetManagementCosts	4485000	USD
CY2015	us-gaap	Asset Management Costs AssetManagementCosts	4370000	USD
CY2016	us-gaap	Asset Management Costs AssetManagementCosts	4822000	USD
CY2015Q4	us-gaap	Assets Assets	16931305000	USD
CY2016Q4	us-gaap	Assets Assets	17867271000	USD
CY2015Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	17489000	USD
CY2016Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	20846000	USD
CY2014	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	-3717000	USD
CY2015	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	6822000	USD
CY2016	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	9922000	USD
CY2015Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	39019000	USD
CY2016Q4	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	39015000	USD
CY2016Q4	us-gaap	Capital Leases Future Minimum Payments Due Current CapitalLeasesFutureMinimumPaymentsDueCurrent	18874000	USD
CY2016Q4	us-gaap	Capital Leases Future Minimum Payments Due In Five Years CapitalLeasesFutureMinimumPaymentsDueInFiveYears	1080000	USD
CY2016Q4	us-gaap	Capital Leases Future Minimum Payments Due In Four Years CapitalLeasesFutureMinimumPaymentsDueInFourYears	1077000	USD
CY2016Q4	us-gaap	Capital Leases Future Minimum Payments Due In Three Years CapitalLeasesFutureMinimumPaymentsDueInThreeYears	1075000	USD
CY2016Q4	us-gaap	Capital Leases Future Minimum Payments Due In Two Years CapitalLeasesFutureMinimumPaymentsDueInTwoYears	1073000	USD
CY2016Q4	us-gaap	Capital Leases Future Minimum Payments Due Thereafter CapitalLeasesFutureMinimumPaymentsDueThereafter	45058000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	281355000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	509460000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	400507000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	214994000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	228105000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-108953000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-185513000	USD
CY2015Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2016Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2014	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	4.64
CY2015	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	5
CY2016	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	5.4
CY2015Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2016Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	280000000	shares
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	280000000	shares
CY2015Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	137002031	shares
CY2016Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	137330904	shares
CY2015Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	137002031	shares
CY2016Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	137330904	shares
CY2015Q4	us-gaap	Common Stock Value CommonStockValue	1370000	USD
CY2016Q4	us-gaap	Common Stock Value CommonStockValue	1373000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	689683000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	753166000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1034879000	USD
CY2015Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	1592917000	USD
CY2016Q4	us-gaap	Construction In Progress Gross ConstructionInProgressGross	1882262000	USD
CY2015Q4	us-gaap	Construction Payable Current And Noncurrent ConstructionPayableCurrentAndNoncurrent	98802000	USD
CY2016Q4	us-gaap	Construction Payable Current And Noncurrent ConstructionPayableCurrentAndNoncurrent	100998000	USD
CY2016	us-gaap	Debt Instrument Redemption Price Percentage DebtInstrumentRedemptionPricePercentage	1
CY2014	us-gaap	Depreciation Depreciation	442682000	USD
CY2015	us-gaap	Depreciation Depreciation	477923000	USD
CY2016	us-gaap	Depreciation Depreciation	531434000	USD
CY2016	us-gaap	Derivative Instruments Gain Loss Reclassification From Accumulated Oci To Income Estimated Net Amount To Be Transferred DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred	6975000	USD
CY2014	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	6237000	USD
CY2015	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	5774000	USD
CY2016	us-gaap	Derivative Instruments Loss Reclassified From Accumulated Oci Into Income Effective Portion DerivativeInstrumentsLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion	6433000	USD
CY2014	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	410672000	USD
CY2015	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	448747000	USD
CY2016	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	478437000	USD
CY2014	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	310000	USD
CY2015	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	0	USD
CY2016	us-gaap	Discontinued Operation Income Loss From Discontinued Operation During Phase Out Period Net Of Tax DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax	0	USD
CY2014	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	269000	USD
CY2015	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	0	USD
CY2016	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	0	USD
CY2014	us-gaap	Disposal Group Including Discontinued Operation Rental Income DisposalGroupIncludingDiscontinuedOperationRentalIncome	579000	USD
CY2015	us-gaap	Disposal Group Including Discontinued Operation Rental Income DisposalGroupIncludingDiscontinuedOperationRentalIncome	0	USD
CY2016	us-gaap	Disposal Group Including Discontinued Operation Rental Income DisposalGroupIncludingDiscontinuedOperationRentalIncome	0	USD
CY2014	us-gaap	Dividends Common Stock DividendsCommonStock	608709000	USD
CY2015	us-gaap	Dividends Common Stock DividendsCommonStock	673670000	USD
CY2016	us-gaap	Dividends Common Stock DividendsCommonStock	741313000	USD
CY2014Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	153207000	USD
CY2015Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	171257000	USD
CY2016Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	185397000	USD
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.22
CY2015Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.57
CY2015Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.30
CY2015Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.54
CY2015Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.13
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.54
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.73
CY2016Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.44
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.60
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.76
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	7.53
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.21
CY2015Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.56
CY2015Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.29
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.51
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.73
CY2015Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.53
CY2015Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.13
CY2014	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	490000	USD
CY2016Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.44
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.59
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.76
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	7.52
CY2014	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	5457000	USD
CY2015	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	9667000	USD
CY2016	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	9266000	USD
CY2015Q4	us-gaap	Equity Method Investment Difference Between Carrying Amount And Underlying Equity EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity	40978000	USD
CY2016Q4	us-gaap	Equity Method Investment Difference Between Carrying Amount And Underlying Equity EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity	38015000	USD
CY2014	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	333221000	USD
CY2015	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	98899000	USD
CY2016	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	196749000	USD
CY2015Q4	us-gaap	Equity Method Investment Summarized Financial Information Assets EquityMethodInvestmentSummarizedFinancialInformationAssets	1449877000	USD
CY2016Q4	us-gaap	Equity Method Investment Summarized Financial Information Assets EquityMethodInvestmentSummarizedFinancialInformationAssets	1004012000	USD
CY2015Q4	us-gaap	Equity Method Investment Summarized Financial Information Equity Or Capital EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital	482201000	USD
CY2016Q4	us-gaap	Equity Method Investment Summarized Financial Information Equity Or Capital EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital	297902000	USD
CY2015Q4	us-gaap	Equity Method Investment Summarized Financial Information Liabilities And Equity EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity	1449877000	USD
CY2016Q4	us-gaap	Equity Method Investment Summarized Financial Information Liabilities And Equity EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity	1004012000	USD
CY2014	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	338285000	USD
CY2015	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	113674000	USD
CY2016	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	197348000	USD
CY2014	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	198939000	USD
CY2015	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	173578000	USD
CY2016	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	131901000	USD
CY2014	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	0	USD
CY2015	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	0	USD
CY2016	us-gaap	Excise And Sales Taxes ExciseAndSalesTaxes	0	USD
CY2015Q4	us-gaap	Fixtures And Equipment Gross FixturesAndEquipmentGross	458224000	USD
CY2016Q4	us-gaap	Fixtures And Equipment Gross FixturesAndEquipmentGross	532994000	USD
CY2014	us-gaap	Gain Loss On Disposition Of Real Estate Discontinued Operations GainLossOnDispositionOfRealEstateDiscontinuedOperations	37869000	USD
CY2015	us-gaap	Gain Loss On Disposition Of Real Estate Discontinued Operations GainLossOnDispositionOfRealEstateDiscontinuedOperations	0	USD
CY2016	us-gaap	Gain Loss On Disposition Of Real Estate Discontinued Operations GainLossOnDispositionOfRealEstateDiscontinuedOperations	0	USD
CY2015	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	9647000	USD
CY2016	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	10224000	USD
CY2014	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	255300000	USD
CY2015	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	158852000	USD
CY2016	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	442916000	USD
CY2014	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	2494000	USD
CY2015	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	1509000	USD
CY2016	us-gaap	Gain On Business Interruption Insurance Recovery GainOnBusinessInterruptionInsuranceRecovery	20564000	USD
CY2014	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-412000	USD
CY2015	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	26736000	USD
CY2016	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-7075000	USD
CY2014	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	84925000	USD
CY2015	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2016	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.29
CY2015	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2016	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2015	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	115625000	USD
CY2016	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	374623000	USD
CY2014	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	41425000	USD
CY2015	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	42774000	USD
CY2016	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	45771000	USD
CY2014	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2015	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2016	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0	USD
CY2014	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0	USD
CY2015	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	-10542000	USD
CY2016	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	-3935000	USD
CY2014	us-gaap	Income Loss Before Gain Or Loss On Sale Of Properties Extraordinary Items And Cumulative Effects Of Accounting Changes IncomeLossBeforeGainOrLossOnSaleOfPropertiesExtraordinaryItemsAndCumulativeEffectsOfAccountingChanges	434335000	USD
CY2015	us-gaap	Income Loss Before Gain Or Loss On Sale Of Properties Extraordinary Items And Cumulative Effects Of Accounting Changes IncomeLossBeforeGainOrLossOnSaleOfPropertiesExtraordinaryItemsAndCumulativeEffectsOfAccountingChanges	547926000	USD
CY2016	us-gaap	Income Loss Before Gain Or Loss On Sale Of Properties Extraordinary Items And Cumulative Effects Of Accounting Changes IncomeLossBeforeGainOrLossOnSaleOfPropertiesExtraordinaryItemsAndCumulativeEffectsOfAccountingChanges	584204000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	668516000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	743216000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1034013000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	659148000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	741733000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	1033708000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	4.93
CY2015	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	5.54
CY2016	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	7.53
CY2014	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	4.92
CY2015	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	5.51
CY2016	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	7.52
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	38179000	USD
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.29
CY2015	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2016	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2014	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	148766000	USD
CY2015	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	70018000	USD
CY2016	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	64962000	USD
CY2014	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-4906000	USD
CY2015	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-12225000	USD
CY2016	us-gaap	Income Loss From Equity Method Investments Net Of Dividends Or Distributions IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions	-8870000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9368000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1483000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	305000	USD
CY2014	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	6959000	USD
CY2015	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	23113000	USD
CY2016	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	10824000	USD
CY2014	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	7400000	USD
CY2015	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	-3230000	USD
CY2016	us-gaap	Increase Decrease In Construction Payables IncreaseDecreaseInConstructionPayables	2196000	USD
CY2016	us-gaap	Increase Decrease In Derivative Assets IncreaseDecreaseInDerivativeAssets	12085000	USD
CY2014	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	3441000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-12783000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	5403000	USD
CY2014	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	0	USD
CY2015	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	0	USD
CY2016	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	5000000	USD
CY2014	us-gaap	Increase Decrease In Restricted Cash For Operating Activities IncreaseDecreaseInRestrictedCashForOperatingActivities	-55000	USD
CY2015	us-gaap	Increase Decrease In Restricted Cash For Operating Activities IncreaseDecreaseInRestrictedCashForOperatingActivities	11837000	USD
CY2016	us-gaap	Increase Decrease In Restricted Cash For Operating Activities IncreaseDecreaseInRestrictedCashForOperatingActivities	8226000	USD
CY2014	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	69961000	USD
CY2015	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	79834000	USD
CY2016	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	78872000	USD
CY2014	us-gaap	Interest Expense InterestExpense	180618000	USD
CY2015	us-gaap	Interest Expense InterestExpense	175615000	USD
CY2016	us-gaap	Interest Expense InterestExpense	187510000	USD
CY2014	us-gaap	Interest Paid Net InterestPaidNet	191966000	USD
CY2015	us-gaap	Interest Paid Net InterestPaidNet	188782000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	194059000	USD
CY2015Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	40085000	USD
CY2016Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	38307000	USD
CY2015Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	13056292000	USD
CY2016Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	14314981000	USD
CY2015Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	216919000	USD
CY2016Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	175116000	USD
CY2015Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	3636761000	USD
CY2016Q4	us-gaap	Land And Land Improvements LandAndLandImprovements	3941250000	USD
CY2015Q4	us-gaap	Land Available For Development LandAvailableForDevelopment	484377000	USD
CY2016Q4	us-gaap	Land Available For Development LandAvailableForDevelopment	84293000	USD
CY2014	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	21664000	USD
CY2015	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	21295000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	23343000	USD
CY2015Q4	us-gaap	Liabilities Liabilities	7080782000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	7688089000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	16931305000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	17867271000	USD
CY2015Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	553000	USD
CY2016Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	808000	USD
CY2015Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2016Q4	us-gaap	Line Of Credit LineOfCredit	0	USD
CY2015Q4	us-gaap	Long Term Debt LongTermDebt	6481291000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	1034002000	USD
CY2014	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	13760000	USD
CY2015	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-305000	USD
CY2016	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-294000	USD
CY2014	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-35000	USD
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	7076758000	USD
CY2014	us-gaap	Management Fees Revenue ManagementFeesRevenue	11050000	USD
CY2015	us-gaap	Management Fees Revenue ManagementFeesRevenue	9947000	USD
CY2016	us-gaap	Management Fees Revenue ManagementFeesRevenue	5599000	USD
CY2014	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	3709000	USD
CY2015	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	965000	USD
CY2016	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	1489000	USD
CY2014	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	14221000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	158224000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	33810000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-291645000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-816760000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1199517000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1037352000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	886641000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1056754000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1143484000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	683567000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	742038000	USD
CY2015	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-38000	USD
CY2016	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-41000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	683567000	USD
CY2015Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	208144000	USD
CY2015Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	172324000	USD
CY2015Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	206142000	USD
CY2015Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	155428000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	742038000	USD
CY2016Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	237931000	USD
CY2016Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	197444000	USD
CY2016Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	356392000	USD
CY2016Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	242235000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1034002000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	683602000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	742076000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1034043000	USD
CY2014	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	1455000	USD
CY2015	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	0	USD
CY2016	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	1743000	USD
CY2014	us-gaap	Noncontrolling Interest Decrease From Deconsolidation NoncontrollingInterestDecreaseFromDeconsolidation	17816000	USD
CY2015Q4	us-gaap	Notes Payable NotesPayable	6481291000	USD
CY2016Q4	us-gaap	Notes Payable NotesPayable	7076758000	USD
CY2014	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	-121000	USD
CY2015	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	5354000	USD
CY2016	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPortionAttributableToParent	-5556000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-6237000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-5774000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-6433000	USD
CY2015Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	37577000	USD
CY2016Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	258	community
CY2016Q4	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	10	state
CY2016Q4	us-gaap	Number Of Units In Real Estate Property NumberOfUnitsInRealEstateProperty	74538	home
CY2014	us-gaap	Operating Expenses OperatingExpenses	1250726000	USD
CY2015	us-gaap	Operating Expenses OperatingExpenses	1308102000	USD
CY2016	us-gaap	Operating Expenses OperatingExpenses	1461051000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	1099587000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	1240992000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	1410697000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	22818000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	19776000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	21245000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	23449000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	23348000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	1203957000	USD
CY2014	us-gaap	Operating Leases Income Statement Minimum Lease Revenue OperatingLeasesIncomeStatementMinimumLeaseRevenue	1674011000	USD
CY2015	us-gaap	Operating Leases Income Statement Minimum Lease Revenue OperatingLeasesIncomeStatementMinimumLeaseRevenue	1846081000	USD
CY2016	us-gaap	Operating Leases Income Statement Minimum Lease Revenue OperatingLeasesIncomeStatementMinimumLeaseRevenue	2039656000	USD
CY2016Q4	us-gaap	Other Deferred Costs Net OtherDeferredCostsNet	40179000	USD
CY2014	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	46902000	USD
CY2015	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	48170000	USD
CY2016	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	66971000	USD
CY2014	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	0	USD
CY2015	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	0	USD
CY2016	us-gaap	Payments For Hedge Financing Activities PaymentsForHedgeFinancingActivities	14847000	USD
CY2014	us-gaap	Payments For Proceeds From Real Estate Partnership Investment Net PaymentsForProceedsFromRealEstatePartnershipInvestmentNet	262000	USD
CY2015	us-gaap	Payments For Proceeds From Real Estate Partnership Investment Net PaymentsForProceedsFromRealEstatePartnershipInvestmentNet	372000	USD
CY2016	us-gaap	Payments For Proceeds From Real Estate Partnership Investment Net PaymentsForProceedsFromRealEstatePartnershipInvestmentNet	407000	USD
CY2014	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	26000	USD
CY2015	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	38000	USD
CY2016	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	41000	USD
CY2014	us-gaap	Payments Of Dividends PaymentsOfDividends	593643000	USD
CY2015	us-gaap	Payments Of Dividends PaymentsOfDividends	655248000	USD
CY2016	us-gaap	Payments Of Dividends PaymentsOfDividends	726749000	USD
CY2014	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	7820000	USD
CY2015	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	7343000	USD
CY2016	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	16240000	USD
CY2014	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	5662000	USD
CY2015	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	6582000	USD
CY2016	us-gaap	Payments To Acquire Businesses And Interest In Affiliates PaymentsToAcquireBusinessesAndInterestInAffiliates	9750000	USD
CY2014	us-gaap	Payments To Acquire Mortgage Notes Receivable PaymentsToAcquireMortgageNotesReceivable	0	USD
CY2015	us-gaap	Payments To Acquire Mortgage Notes Receivable PaymentsToAcquireMortgageNotesReceivable	0	USD
CY2016	us-gaap	Payments To Acquire Mortgage Notes Receivable PaymentsToAcquireMortgageNotesReceivable	19115000	USD
CY2014	us-gaap	Payments To Acquire Other Real Estate PaymentsToAcquireOtherRealEstate	47000000	USD
CY2015	us-gaap	Payments To Acquire Other Real Estate PaymentsToAcquireOtherRealEstate	0	USD
CY2016	us-gaap	Payments To Acquire Other Real Estate PaymentsToAcquireOtherRealEstate	393316000	USD
CY2014	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	5923000	USD
CY2015	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	7695000	USD
CY2016	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	5881000	USD
CY2014	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	1241832000	USD
CY2015	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	1569326000	USD
CY2016	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	1201026000	USD
CY2014	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2015	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	1088000	USD
CY2016	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2016Q4	us-gaap	Pledged Assets Not Separately Reported Real Estate PledgedAssetsNotSeparatelyReportedRealEstate	3460572000	USD
CY2015Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25
CY2016Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25
CY2015Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2016Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2015Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2016Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	50000000	shares
CY2015Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2015Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2016Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2015Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2016Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2015Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	199095000	USD
CY2016Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	256934000	USD
CY2014	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	USD
CY2015	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	44142000	USD
CY2016	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	17196000	USD
CY2014	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	346134000	USD
CY2015	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	690184000	USD
CY2016	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	15526000	USD
CY2014	us-gaap	Proceeds From Legal Settlements ProceedsFromLegalSettlements	1933000	USD
CY2015	us-gaap	Proceeds From Legal Settlements ProceedsFromLegalSettlements	0	USD
CY2016	us-gaap	Proceeds From Legal Settlements ProceedsFromLegalSettlements	417000	USD
CY2014	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	53000000	USD
CY2015	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	0	USD
CY2016	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	0	USD
CY2014	us-gaap	Proceeds From Sale And Collection Of Notes Receivable ProceedsFromSaleAndCollectionOfNotesReceivable	21748000	USD
CY2015	us-gaap	Proceeds From Sale And Collection Of Notes Receivable ProceedsFromSaleAndCollectionOfNotesReceivable	0	USD
CY2016Q2	us-gaap	Profit Loss ProfitLoss	197319000	USD
CY2016Q3	us-gaap	Profit Loss ProfitLoss	356329000	USD
CY2016Q4	us-gaap	Profit Loss ProfitLoss	242183000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	1033708000	USD
CY2013Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	2516112000	USD
CY2016	us-gaap	Proceeds From Sale And Collection Of Notes Receivable ProceedsFromSaleAndCollectionOfNotesReceivable	0	USD
CY2014	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	203945000	USD
CY2015	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	109181000	USD
CY2016	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	111598000	USD
CY2014	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	297466000	USD
CY2015	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	282163000	USD
CY2016	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	532717000	USD
CY2014	us-gaap	Proceeds From Unsecured Notes Payable ProceedsFromUnsecuredNotesPayable	550000000	USD
CY2015	us-gaap	Proceeds From Unsecured Notes Payable ProceedsFromUnsecuredNotesPayable	873088000	USD
CY2016	us-gaap	Proceeds From Unsecured Notes Payable ProceedsFromUnsecuredNotesPayable	1122488000	USD
CY2014	us-gaap	Profit Loss ProfitLoss	697327000	USD
CY2015Q1	us-gaap	Profit Loss ProfitLoss	208053000	USD
CY2015Q2	us-gaap	Profit Loss ProfitLoss	172253000	USD
CY2015Q3	us-gaap	Profit Loss ProfitLoss	206076000	USD
CY2015Q4	us-gaap	Profit Loss ProfitLoss	155352000	USD
CY2015	us-gaap	Profit Loss ProfitLoss	741733000	USD
CY2016Q1	us-gaap	Profit Loss ProfitLoss	237877000	USD
CY2014Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	2913576000	USD
CY2015Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	3325790000	USD
CY2016Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	3743632000	USD
CY2014	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	45218000	USD
CY2015	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	65709000	USD
CY2016	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	113592000	USD
CY2016Q4	us-gaap	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	7076758000	USD
CY2016Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Buildings And Improvements RealEstateAndAccumulatedDepreciationCarryingAmountOfBuildingsAndImprovements	16730237000	USD
CY2016Q4	us-gaap	Real Estate And Accumulated Depreciation Carrying Amount Of Land RealEstateAndAccumulatedDepreciationCarryingAmountOfLand	4046389000	USD
CY2016Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Carrying Costs RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionCarryingCosts	3322047000	USD
CY2016Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	13408190000	USD
CY2016Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	4046389000	USD
CY2016Q4	us-gaap	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	20223000	USD
CY2013Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	16800321000	USD
CY2014Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	17849316000	USD
CY2015Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	19268099000	USD
CY2016Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	20776626000	USD
CY2014Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	245449000	USD
CY2015Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	39528000	USD
CY2016Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	20846000	USD
CY2015Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	3303751000	USD
CY2016Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	3743632000	USD
CY2016Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	114983000	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-197989000	USD
CY2015Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	17151277000	USD
CY2016Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	18789225000	USD
CY2015Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	13847526000	USD
CY2016Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	15045593000	USD
CY2015Q4	us-gaap	Real Estate Investments RealEstateInvestments	15942309000	USD
CY2016Q4	us-gaap	Real Estate Investments RealEstateInvestments	17032994000	USD
CY2014	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	178634000	USD
CY2015	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	193499000	USD
CY2016	us-gaap	Real Estate Tax Expense RealEstateTaxExpense	204837000	USD
CY2015Q4	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	9997000	USD
CY2016Q4	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	7766000	USD
CY2014	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	32859000	USD
CY2015	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	850963000	USD
CY2016	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	165012000	USD
CY2014	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	150000000	USD
CY2015	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	0	USD
CY2016	us-gaap	Repayments Of Unsecured Debt RepaymentsOfUnsecuredDebt	504403000	USD
CY2015Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	104821000	USD
CY2016Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	94899000	USD
CY2014	us-gaap	Revenues Revenues	1685061000	USD
CY2015Q1	us-gaap	Revenues Revenues	442367000	USD
CY2015Q2	us-gaap	Revenues Revenues	457459000	USD
CY2015Q3	us-gaap	Revenues Revenues	475360000	USD
CY2015Q4	us-gaap	Revenues Revenues	480840000	USD
CY2015	us-gaap	Revenues Revenues	1856028000	USD
CY2016Q1	us-gaap	Revenues Revenues	508498000	USD
CY2016Q2	us-gaap	Revenues Revenues	502307000	USD
CY2016Q3	us-gaap	Revenues Revenues	516211000	USD
CY2016Q4	us-gaap	Revenues Revenues	518240000	USD
CY2016	us-gaap	Revenues Revenues	2045255000	USD
CY2014	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	442682000	USD
CY2015	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	477923000	USD
CY2016	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	531434000	USD
CY2015Q4	us-gaap	Secured Debt SecuredDebt	2611274000	USD
CY2016Q4	us-gaap	Secured Debt SecuredDebt	2567578000	USD
CY2015Q4	us-gaap	Security Deposit SecurityDeposit	30077000	USD
CY2016Q4	us-gaap	Security Deposit SecurityDeposit	32071000	USD
CY2015Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	53132000	USD
CY2016Q4	us-gaap	Security Deposit Liability SecurityDepositLiability	57023000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	13927000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	15321000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	15082000	USD
CY2014	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	55523	shares
CY2015	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	45090	shares
CY2016	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	53453	shares
CY2014	us-gaap	Stock Issued During Period Shares Dividend Reinvestment Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlan	2434	shares
CY2015	us-gaap	Stock Issued During Period Shares Dividend Reinvestment Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlan	2142	shares
CY2016	us-gaap	Stock Issued During Period Shares Dividend Reinvestment Plan StockIssuedDuringPeriodSharesDividendReinvestmentPlan	2396	shares
CY2016	us-gaap	Stock Issued During Period Shares Employee Stock Purchase Plans StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans	11348	shares
CY2016	us-gaap	Stock Issued During Period Shares Share Based Compensation Forfeited StockIssuedDuringPeriodSharesShareBasedCompensationForfeited	4262	shares
CY2016	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	131499	shares
CY2014	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	335000	USD
CY2015	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	372000	USD
CY2016	us-gaap	Stock Issued During Period Value Dividend Reinvestment Plan StockIssuedDuringPeriodValueDividendReinvestmentPlan	424000	USD
CY2014	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	338814000	USD
CY2015	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	687402000	USD
CY2016	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	10695000	USD
CY2014	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	2938000	USD
CY2015	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	726000	USD
CY2016	us-gaap	Stock Issued During Period Value Share Based Compensation Forfeited StockIssuedDuringPeriodValueShareBasedCompensationForfeited	694000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8599727000	USD
CY2014Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9046405000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9840526000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	10171416000	USD
CY2014	us-gaap	Undistributed Earnings UndistributedEarnings	682044000	USD
CY2015	us-gaap	Undistributed Earnings UndistributedEarnings	740264000	USD
CY2016	us-gaap	Undistributed Earnings UndistributedEarnings	1031392000	USD
CY2014	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1523000	USD
CY2015	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	1774000	USD
CY2016	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	2610000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2015Q4	us-gaap	Unsecured Debt UnsecuredDebt	3845674000	USD
CY2016Q4	us-gaap	Unsecured Debt UnsecuredDebt	4463302000	USD
CY2014	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	643284	shares
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1019966	shares
CY2016	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	525886	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	131237502	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	134593177	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	137461637	shares
CY2014	us-gaap	Weighted Average Number Of Limited Partnership And General Partnership Unit Outstanding Basic And Diluted WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted	7500	shares
CY2015	us-gaap	Weighted Average Number Of Limited Partnership And General Partnership Unit Outstanding Basic And Diluted WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted	7500	shares
CY2016	us-gaap	Weighted Average Number Of Limited Partnership And General Partnership Unit Outstanding Basic And Diluted WeightedAverageNumberOfLimitedPartnershipAndGeneralPartnershipUnitOutstandingBasicAndDiluted	7500	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	130586718	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133565711	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	136928251	shares
CY2016	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Reclassifications</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Certain reclassifications have been made to amounts in prior years' notes to financial statements to conform to current year presentations as a result of changes in held for sale classification and disposition activity.</font></div></div>
CY2016	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Use of Estimates</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with GAAP requires management to make certain estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the dates of the financial statements and the reported amounts of revenue and expenses during the reporting periods. Actual results could differ from those estimates.</font></div></div>

Files In Submission

Name	View Source	Status
0000915912-17-000004-index-headers.html	Edgar Link	pending
0000915912-17-000004-index.html	Edgar Link	pending
0000915912-17-000004.txt	Edgar Link	pending
0000915912-17-000004-xbrl.zip	Edgar Link	pending
a201610-k.htm	Edgar Link	pending
avb-20161231.xml	Edgar Link	completed
avb-20161231.xsd	Edgar Link	pending
avb-20161231_cal.xml	Edgar Link	unprocessable
avb-20161231_def.xml	Edgar Link	unprocessable
avb-20161231_lab.xml	Edgar Link	unprocessable
avb-20161231_pre.xml	Edgar Link	unprocessable
ex-10282016.htm	Edgar Link	pending
ex-10292016.htm	Edgar Link	pending
ex-1212016.htm	Edgar Link	pending
ex-2112016.htm	Edgar Link	pending
ex-2312016.htm	Edgar Link	pending
ex-3112016.htm	Edgar Link	pending
ex-3122016.htm	Edgar Link	pending
ex-322016.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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2015 Q4 Form 10-K Financial Statement

#000091591217000004 Filed on February 24, 2017

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$AVB AVALONBAY COMMUNITIES INC Stock $avb

2015 Q4 Form 10-K Financial Statement

#000091591217000004 Filed on February 24, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AVB
AVALONBAY COMMUNITIES INC Stock $avb