$AIV
APARTMENT INVESTMENT & MANAGEMENT CO Stock $aiv

$aiv Overview Financials Valuation SEC Filings Company Website

2016 Q4 Form 10-K Financial Statement

#000092286417000006 Filed on February 24, 2017

Income Statement

Concept	2016 Q4	2015 Q4	2015 Q3
Revenue	$249.5M	$245.9M	$246.4M
YoY Change	1.47%	1.53%	-0.18%
Cost Of Revenue	$84.20M	$87.40M	$88.60M
YoY Change	-3.66%	3.43%	-6.93%
Gross Profit	$165.3M	$158.5M	$157.8M
YoY Change	4.29%	0.51%	4.02%
Gross Profit Margin	66.25%	64.46%	64.05%
Selling, General & Admin	$11.80M	$10.70M	$12.90M
YoY Change	10.28%	-35.54%	8.4%
% of Gross Profit	7.14%	6.75%	8.17%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$87.70M	$79.50M	$77.20M
YoY Change	10.31%	11.19%	11.24%
% of Gross Profit	53.06%	50.16%	48.92%
Operating Expenses	$189.4M	$180.4M	$182.4M
YoY Change	4.99%	1.13%	1.67%
Operating Profit	$60.09M	$65.48M	$64.02M
YoY Change	-8.23%	2.63%	-5.11%
Interest Expense	-$48.50M	-$46.50M	$48.29M
YoY Change	4.3%	-8.28%	-16.47%
% of Operating Profit	-80.71%	-71.01%	75.42%
Other Income/Expense, Net	$500.0K	-$200.0K	-$1.983M
YoY Change	-350.0%	-75.0%	-214.43%
Pretax Income	$12.10M	$18.70M	$15.49M
YoY Change	-35.29%	50.81%	17.52%
Income Tax	-$8.700M	-$6.500M	-$8.279M
% Of Pretax Income	-71.9%	-34.76%	-53.45%
Net Earnings	$177.4M	$75.38M	$21.93M
YoY Change	135.35%	65.81%	-82.87%
Net Earnings / Revenue	71.1%	30.66%	8.9%
Basic Earnings Per Share	$1.04	$0.43	$0.12
Diluted Earnings Per Share	$1.03	$0.43	$0.12
COMMON SHARES
Basic Shares Outstanding	156.2M shares	155.7M shares	155.6M shares
Diluted Shares Outstanding	156.5M shares	156.0M shares	156.0M shares

Balance Sheet

Concept	2016 Q4	2015 Q4	2015 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$61.00M	$51.00M	$45.00M
YoY Change	19.61%	75.86%	55.17%
Cash & Equivalents	$61.24M	$50.79M	$45.24M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory		$3.000M	$20.00M
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$61.00M	$54.00M	$65.00M
YoY Change	12.96%	-74.77%	-14.47%
LONG-TERM ASSETS
Property, Plant & Equipment	$5.755B	$5.529B	$5.580B
YoY Change	4.09%	1.02%	6.79%
Goodwill	$37.80M	$43.90M
YoY Change	-13.9%	-2.66%
Intangibles
YoY Change
Long-Term Investments	$14.98M	$15.40M	$59.00M
YoY Change	-2.71%	-4.02%	5.36%
Other Assets	$70.00M	$87.00M	$93.00M
YoY Change	-19.54%	-28.69%	-43.98%
Total Long-Term Assets	$6.172B	$6.065B	$6.153B
YoY Change	1.77%	3.09%	4.97%
TOTAL ASSETS
Total Short-Term Assets	$61.00M	$54.00M	$65.00M
Total Long-Term Assets	$6.172B	$6.065B	$6.153B
Total Assets	$6.233B	$6.119B	$6.218B
YoY Change	1.87%	0.36%	4.72%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable		$36.00M	$37.00M
YoY Change		-14.29%	-7.5%
Accrued Expenses	$282.0M	$317.0M	$325.0M
YoY Change	-11.04%	13.62%	12.46%
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	$282.0M	$353.0M	$362.0M
YoY Change	-20.11%	9.97%	10.03%
LONG-TERM LIABILITIES
Long-Term Debt	$3.885B	$3.849B	$3.936B
YoY Change	0.94%	-6.92%	-0.66%
Other Long-Term Liabilities	$18.00M	$64.00M	$83.00M
YoY Change	-71.88%	-42.34%	-33.06%
Total Long-Term Liabilities	$3.903B	$3.913B	$4.019B
YoY Change	-0.26%	-7.84%	-1.64%
TOTAL LIABILITIES
Total Short-Term Liabilities	$282.0M	$353.0M	$362.0M
Total Long-Term Liabilities	$3.903B	$3.913B	$4.019B
Total Liabilities	$4.185B	$4.267B	$4.381B
YoY Change	-1.93%	-6.57%	-0.77%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock	$1.569M	$1.563M	$1.564M
YoY Change	0.38%	6.76%	6.98%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.794B	$1.622B	$1.602B
YoY Change
Total Liabilities & Shareholders Equity	$6.233B	$6.119B	$6.218B
YoY Change	1.87%	0.36%	4.72%

Cashflow Statement

Concept	2016 Q4	2015 Q4	2015 Q3
OPERATING ACTIVITIES
Net Income	$177.4M	$75.38M	$21.93M
YoY Change	135.35%	65.81%	-82.87%
Depreciation, Depletion And Amortization	$87.70M	$79.50M	$77.20M
YoY Change	10.31%	11.19%	11.24%
Cash From Operating Activities	$101.2M	$101.5M	$101.1M
YoY Change	-0.3%	15.34%	13.47%
INVESTING ACTIVITIES
Capital Expenditures	-$91.20M	-$118.9M	-$106.7M
YoY Change	-23.3%	-51.21%	-50.51%
Acquisitions
YoY Change
Other Investing Activities	$227.6M	$163.7M	-$25.10M
YoY Change	39.03%	15.53%	-106.39%
Cash From Investing Activities	$136.5M	$44.80M	-$131.9M
YoY Change	204.69%	-143.92%	-174.52%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-224.4M	-140.7M	29.10M
YoY Change	59.49%	-1127.01%	-110.75%
NET CHANGE
Cash From Operating Activities	101.2M	101.5M	101.1M
Cash From Investing Activities	136.5M	44.80M	-131.9M
Cash From Financing Activities	-224.4M	-140.7M	29.10M
Net Change In Cash	13.30M	5.600M	-1.700M
YoY Change	137.5%	-1966.67%	-63.04%
FREE CASH FLOW
Cash From Operating Activities	$101.2M	$101.5M	$101.1M
Capital Expenditures	-$91.20M	-$118.9M	-$106.7M
Free Cash Flow	$192.4M	$220.4M	$207.8M
YoY Change	-12.7%	-33.55%	-31.8%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2014	aiv	Below Market Leases Written Off To Gain Loss Upon Sale BelowMarketLeasesWrittenOffToGainLossUponSale	1800000	USD
CY2015	aiv	Below Market Leases Written Off To Gain Loss Upon Sale BelowMarketLeasesWrittenOffToGainLossUponSale	0	USD
CY2016	aiv	Below Market Leases Written Off To Gain Loss Upon Sale BelowMarketLeasesWrittenOffToGainLossUponSale	0	USD
CY2014	aiv	Capital Gains Dividends Per Share Declared CapitalGainsDividendsPerShareDeclared	0.53
CY2015	aiv	Capital Gains Dividends Per Share Declared CapitalGainsDividendsPerShareDeclared	0.37
CY2016	aiv	Capital Gains Dividends Per Share Declared CapitalGainsDividendsPerShareDeclared	0.47
CY2014	aiv	Capital Gains Dividends Per Share Declared Percentage CapitalGainsDividendsPerShareDeclaredPercentage	0.516
CY2015	aiv	Capital Gains Dividends Per Share Declared Percentage CapitalGainsDividendsPerShareDeclaredPercentage	0.313
CY2016	aiv	Capital Gains Dividends Per Share Declared Percentage CapitalGainsDividendsPerShareDeclaredPercentage	0.354
CY2014	aiv	Common Stock Dividends Per Share Declared Percentage CommonStockDividendsPerShareDeclaredPercentage	1
CY2015	aiv	Common Stock Dividends Per Share Declared Percentage CommonStockDividendsPerShareDeclaredPercentage	1
CY2016	aiv	Common Stock Dividends Per Share Declared Percentage CommonStockDividendsPerShareDeclaredPercentage	1
CY2016	aiv	Compliance Period Related To Low Income Housing Tax Credit Arrangements Syndication Period CompliancePeriodRelatedToLowIncomeHousingTaxCreditArrangementsSyndicationPeriod	P15Y
CY2014	aiv	Consolidated Income Loss Subject To Tax ConsolidatedIncomeLossSubjectToTax	137000000	USD
CY2015	aiv	Consolidated Income Loss Subject To Tax ConsolidatedIncomeLossSubjectToTax	-31300000	USD
CY2016	aiv	Consolidated Income Loss Subject To Tax ConsolidatedIncomeLossSubjectToTax	109300000	USD
CY2015Q4	aiv	Deferred Tax Asset Intraentity Transfer Asset Other Than Inventory DeferredTaxAssetIntraentityTransferAssetOtherThanInventory	15099000	USD
CY2016Q4	aiv	Deferred Tax Asset Intraentity Transfer Asset Other Than Inventory DeferredTaxAssetIntraentityTransferAssetOtherThanInventory	62468000	USD
CY2015Q4	aiv	Deferred Tax Liabilities Partnership Differences DeferredTaxLiabilitiesPartnershipDifferences	31726000	USD
CY2016Q4	aiv	Deferred Tax Liabilities Partnership Differences DeferredTaxLiabilitiesPartnershipDifferences	72726000	USD
CY2014	aiv	Dividends Sharebased Compensation Accrued DividendsSharebasedCompensationAccrued	0	USD
CY2015	aiv	Dividends Sharebased Compensation Accrued DividendsSharebasedCompensationAccrued	309000	USD
CY2016	aiv	Dividends Sharebased Compensation Accrued DividendsSharebasedCompensationAccrued	927000	USD
CY2016	aiv	Economic Interestin Low Income Housing Tax Credit Partnerships EconomicInterestinLowIncomeHousingTaxCreditPartnerships	approximately 100%
CY2014	aiv	Effect Of Changes In Ownership For Consolidated Entities EffectOfChangesInOwnershipForConsolidatedEntities	-712000	USD
CY2015	aiv	Effect Of Changes In Ownership For Consolidated Entities EffectOfChangesInOwnershipForConsolidatedEntities	1819000	USD
CY2016	aiv	Effect Of Changes In Ownership For Consolidated Entities EffectOfChangesInOwnershipForConsolidatedEntities	16064000	USD
CY2014	aiv	Effective Income Tax Rate Continuing And Discontinued Operations EffectiveIncomeTaxRateContinuingAndDiscontinuedOperations	0.117
CY2015	aiv	Effective Income Tax Rate Continuing And Discontinued Operations EffectiveIncomeTaxRateContinuingAndDiscontinuedOperations	0.824
CY2016	aiv	Effective Income Tax Rate Continuing And Discontinued Operations EffectiveIncomeTaxRateContinuingAndDiscontinuedOperations	-0.172
CY2014	aiv	Effective Income Tax Rate Reconciliation Effect Of Intercompany Transfers Of Assets EffectiveIncomeTaxRateReconciliationEffectOfIntercompanyTransfersOfAssets	-0.175
CY2015	aiv	Effective Income Tax Rate Reconciliation Effect Of Intercompany Transfers Of Assets EffectiveIncomeTaxRateReconciliationEffectOfIntercompanyTransfersOfAssets	0.048
CY2016	aiv	Effective Income Tax Rate Reconciliation Effect Of Intercompany Transfers Of Assets EffectiveIncomeTaxRateReconciliationEffectOfIntercompanyTransfersOfAssets	-0.433
CY2014	aiv	Effective Income Tax Rate Reconciliation Effect Of Write Off Of Excess Tax Basis EffectiveIncomeTaxRateReconciliationEffectOfWriteOffOfExcessTaxBasis	-0.090
CY2015	aiv	Effective Income Tax Rate Reconciliation Effect Of Write Off Of Excess Tax Basis EffectiveIncomeTaxRateReconciliationEffectOfWriteOffOfExcessTaxBasis	0.434
CY2016	aiv	Effective Income Tax Rate Reconciliation Effect Of Write Off Of Excess Tax Basis EffectiveIncomeTaxRateReconciliationEffectOfWriteOffOfExcessTaxBasis	-0.153
CY2016	aiv	General Partner Interests In Low Income Housing Tax Credit Partnerships Held By Aimco GeneralPartnerInterestsInLowIncomeHousingTaxCreditPartnershipsHeldByAimco	one percent or less
CY2014	aiv	Income Tax Expense Benefits IncomeTaxExpenseBenefits	16011000	USD
CY2015	aiv	Income Tax Expense Benefits IncomeTaxExpenseBenefits	-25767000	USD
CY2016	aiv	Income Tax Expense Benefits IncomeTaxExpenseBenefits	-18842000	USD
CY2014	aiv	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance Continuingand Discontinued Operations IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowanceContinuingandDiscontinuedOperations	91000	USD
CY2015	aiv	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance Continuingand Discontinued Operations IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowanceContinuingandDiscontinuedOperations	666000	USD
CY2016	aiv	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance Continuingand Discontinued Operations IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowanceContinuingandDiscontinuedOperations	0	USD
CY2014	aiv	Income Tax Reconciliation Effect Of Intercompany Transfers Of Assets IncomeTaxReconciliationEffectOfIntercompanyTransfersOfAssets	23969000	USD
CY2015	aiv	Income Tax Reconciliation Effect Of Intercompany Transfers Of Assets IncomeTaxReconciliationEffectOfIntercompanyTransfersOfAssets	1515000	USD
CY2016	aiv	Income Tax Reconciliation Effect Of Intercompany Transfers Of Assets IncomeTaxReconciliationEffectOfIntercompanyTransfersOfAssets	47369000	USD
CY2014	aiv	Income Tax Reconciliation Effect Of Write Off Of Excess Tax Basis IncomeTaxReconciliationEffectOfWriteOffOfExcessTaxBasis	-12271000	USD
CY2015	aiv	Income Tax Reconciliation Effect Of Write Off Of Excess Tax Basis IncomeTaxReconciliationEffectOfWriteOffOfExcessTaxBasis	-13583000	USD
CY2016	aiv	Income Tax Reconciliation Effect Of Write Off Of Excess Tax Basis IncomeTaxReconciliationEffectOfWriteOffOfExcessTaxBasis	-16750000	USD
CY2014	aiv	Income Tax Reconciliation Income Tax Expense Benefit Continuingand Discontinued Operations At Federal Statutory Income Tax Rate Amount IncomeTaxReconciliationIncomeTaxExpenseBenefitContinuingandDiscontinuedOperationsAtFederalStatutoryIncomeTaxRateAmount	47950000	USD
CY2015	aiv	Income Tax Reconciliation Income Tax Expense Benefit Continuingand Discontinued Operations At Federal Statutory Income Tax Rate Amount IncomeTaxReconciliationIncomeTaxExpenseBenefitContinuingandDiscontinuedOperationsAtFederalStatutoryIncomeTaxRateAmount	-10947000	USD
CY2016	aiv	Income Tax Reconciliation Income Tax Expense Benefit Continuingand Discontinued Operations At Federal Statutory Income Tax Rate Amount IncomeTaxReconciliationIncomeTaxExpenseBenefitContinuingandDiscontinuedOperationsAtFederalStatutoryIncomeTaxRateAmount	38257000	USD
CY2014	aiv	Income Tax Reconciliation State And Local Income Taxes Continuing And Discontinued Operations IncomeTaxReconciliationStateAndLocalIncomeTaxesContinuingAndDiscontinuedOperations	4364000	USD
CY2015	aiv	Income Tax Reconciliation State And Local Income Taxes Continuing And Discontinued Operations IncomeTaxReconciliationStateAndLocalIncomeTaxesContinuingAndDiscontinuedOperations	-361000	USD
CY2016	aiv	Income Tax Reconciliation State And Local Income Taxes Continuing And Discontinued Operations IncomeTaxReconciliationStateAndLocalIncomeTaxesContinuingAndDiscontinuedOperations	7152000	USD
CY2014	aiv	Incometaxexpenseattributablefromgainsonsalesofrealestate Incometaxexpenseattributablefromgainsonsalesofrealestate	36058000	USD
CY2015	aiv	Incometaxexpenseattributablefromgainsonsalesofrealestate Incometaxexpenseattributablefromgainsonsalesofrealestate	1757000	USD
CY2016	aiv	Incometaxexpenseattributablefromgainsonsalesofrealestate Incometaxexpenseattributablefromgainsonsalesofrealestate	6366000	USD
CY2016	aiv	Limited Partner Interests In Low Income Housing Tax Credit Partnerships Held By Unaffiliated Investors LimitedPartnerInterestsInLowIncomeHousingTaxCreditPartnershipsHeldByUnaffiliatedInvestors	at least 99%
CY2016	aiv	Operating Partnership Units Issuedin Exchangefor Acquisitionsof Real Estate OperatingPartnershipUnitsIssuedinExchangeforAcquisitionsofRealEstate	17000000	USD
CY2016Q4	aiv	Long Term Debt Amortization And Maturities Repayments Of Principal In Next Twelve Months LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	346519000	USD
CY2016Q4	aiv	Long Term Debt Amortization And Maturities Repayments Of Principal In Year Five LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearFive	811245000	USD
CY2016Q4	aiv	Long Term Debt Amortization And Maturities Repayments Of Principal In Year Four LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearFour	378696000	USD
CY2016Q4	aiv	Long Term Debt Amortization And Maturities Repayments Of Principal In Year Three LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearThree	562570000	USD
CY2016Q4	aiv	Long Term Debt Amortization And Maturities Repayments Of Principal In Year Two LongTermDebtAmortizationAndMaturitiesRepaymentsOfPrincipalInYearTwo	294260000	USD
CY2016Q4	aiv	Long Term Debt Amortization Of Principal In Next Twelve Months LongTermDebtAmortizationOfPrincipalInNextTwelveMonths	86357000	USD
CY2016Q4	aiv	Long Term Debt Amortization Of Principal In Next Year Three LongTermDebtAmortizationOfPrincipalInNextYearThree	81434000	USD
CY2016Q4	aiv	Long Term Debt Amortization Of Principal In Year Five LongTermDebtAmortizationOfPrincipalInYearFive	57862000	USD
CY2016Q4	aiv	Long Term Debt Amortization Of Principal In Year Four LongTermDebtAmortizationOfPrincipalInYearFour	74955000	USD
CY2016Q4	aiv	Long Term Debt Amortization Of Principal In Year Two LongTermDebtAmortizationOfPrincipalInYearTwo	86644000	USD
CY2014	aiv	Net Income Loss Including Portion Attributable To Noncontrolling Interests Included In Permanent Equity Excluding Portion Attributable To Noncontrolling Interests Included In Temporary Equity NetIncomeLossIncludingPortionAttributableToNoncontrollingInterestsIncludedInPermanentEquityExcludingPortionAttributableToNoncontrollingInterestsIncludedInTemporaryEquity	349614000	USD
CY2015	aiv	Net Income Loss Including Portion Attributable To Noncontrolling Interests Included In Permanent Equity Excluding Portion Attributable To Noncontrolling Interests Included In Temporary Equity NetIncomeLossIncludingPortionAttributableToNoncontrollingInterestsIncludedInPermanentEquityExcludingPortionAttributableToNoncontrollingInterestsIncludedInTemporaryEquity	265040000	USD
CY2016	aiv	Net Income Loss Including Portion Attributable To Noncontrolling Interests Included In Permanent Equity Excluding Portion Attributable To Noncontrolling Interests Included In Temporary Equity NetIncomeLossIncludingPortionAttributableToNoncontrollingInterestsIncludedInPermanentEquityExcludingPortionAttributableToNoncontrollingInterestsIncludedInTemporaryEquity	476034000	USD
CY2014	aiv	Noncontrolling Interest Weighted Average Ownership Percentage By Noncontrolling Owners During Period NoncontrollingInterestWeightedAverageOwnershipPercentageByNoncontrollingOwnersDuringPeriod	0.050
CY2015	aiv	Noncontrolling Interest Weighted Average Ownership Percentage By Noncontrolling Owners During Period NoncontrollingInterestWeightedAverageOwnershipPercentageByNoncontrollingOwnersDuringPeriod	0.047
CY2016	aiv	Noncontrolling Interest Weighted Average Ownership Percentage By Noncontrolling Owners During Period NoncontrollingInterestWeightedAverageOwnershipPercentageByNoncontrollingOwnersDuringPeriod	0.047
CY2014Q4	aiv	Nonvested Restricted Shares Of Common Stock With Non Forfeitable Dividend Rights NonvestedRestrictedSharesOfCommonStockWithNonForfeitableDividendRights	500000	shares
CY2015Q4	aiv	Nonvested Restricted Shares Of Common Stock With Non Forfeitable Dividend Rights NonvestedRestrictedSharesOfCommonStockWithNonForfeitableDividendRights	300000	shares
CY2016Q4	aiv	Nonvested Restricted Shares Of Common Stock With Non Forfeitable Dividend Rights NonvestedRestrictedSharesOfCommonStockWithNonForfeitableDividendRights	200000	shares
CY2016Q4	aiv	Numberof Sharesof Common Stock Requiredto Redeem Preferred Op Units Tenderedfor Redemptionif Parent Choosesto Redeemin Shares Ratherthan Cash NumberofSharesofCommonStockRequiredtoRedeemPreferredOPUnitsTenderedforRedemptionifParentChoosestoRedeeminSharesRatherthanCash	2300000	shares
CY2014	aiv	Operating Leases Income Statement Lease Revenue And Other Real Estate Revenue OperatingLeasesIncomeStatementLeaseRevenueAndOtherRealEstateRevenue	952831000	USD
CY2015	aiv	Operating Leases Income Statement Lease Revenue And Other Real Estate Revenue OperatingLeasesIncomeStatementLeaseRevenueAndOtherRealEstateRevenue	956954000	USD
CY2016	aiv	Operating Leases Income Statement Lease Revenue And Other Real Estate Revenue OperatingLeasesIncomeStatementLeaseRevenueAndOtherRealEstateRevenue	974531000	USD
CY2014	aiv	Operating Partnership Units Issuedin Exchangefor Acquisitionsof Real Estate OperatingPartnershipUnitsIssuedinExchangeforAcquisitionsofRealEstate	9117000	USD
CY2015	aiv	Operating Partnership Units Issuedin Exchangefor Acquisitionsof Real Estate OperatingPartnershipUnitsIssuedinExchangeforAcquisitionsofRealEstate	0	USD
CY2014	aiv	Ordinary Income Dividends Per Share Declared OrdinaryIncomeDividendsPerShareDeclared	0.01
CY2015	aiv	Ordinary Income Dividends Per Share Declared OrdinaryIncomeDividendsPerShareDeclared	0.36
CY2016	aiv	Ordinary Income Dividends Per Share Declared OrdinaryIncomeDividendsPerShareDeclared	0.45
CY2014	aiv	Ordinary Income Dividends Per Share Declared Percentage OrdinaryIncomeDividendsPerShareDeclaredPercentage	0.006
CY2015	aiv	Ordinary Income Dividends Per Share Declared Percentage OrdinaryIncomeDividendsPerShareDeclaredPercentage	0.302
CY2016	aiv	Ordinary Income Dividends Per Share Declared Percentage OrdinaryIncomeDividendsPerShareDeclaredPercentage	0.342
CY2014	aiv	Other Comprehensive Income Loss OtherComprehensiveIncomeLoss	-1813000	USD
CY2015	aiv	Other Comprehensive Income Loss OtherComprehensiveIncomeLoss	593000	USD
CY2016	aiv	Other Comprehensive Income Loss OtherComprehensiveIncomeLoss	7662000	USD
CY2014	aiv	Other Direct And Indirect Costs Capitalized OtherDirectAndIndirectCostsCapitalized	29200000	USD
CY2015	aiv	Other Direct And Indirect Costs Capitalized OtherDirectAndIndirectCostsCapitalized	28200000	USD
CY2016	aiv	Other Direct And Indirect Costs Capitalized OtherDirectAndIndirectCostsCapitalized	32900000	USD
CY2014	aiv	Other Items Included In Continuing Operations OtherItemsIncludedInContinuingOperations	194875000	USD
CY2015	aiv	Other Items Included In Continuing Operations OtherItemsIncludedInContinuingOperations	164825000	USD
CY2016	aiv	Other Items Included In Continuing Operations OtherItemsIncludedInContinuingOperations	157313000	USD
CY2014	aiv	Other Nonoperating Income Expense Including Impairment Losses OtherNonoperatingIncomeExpenseIncludingImpairmentLosses	-2649000	USD
CY2015	aiv	Other Nonoperating Income Expense Including Impairment Losses OtherNonoperatingIncomeExpenseIncludingImpairmentLosses	387000	USD
CY2016	aiv	Other Nonoperating Income Expense Including Impairment Losses OtherNonoperatingIncomeExpenseIncludingImpairmentLosses	6071000	USD
CY2016Q4	aiv	Percentage Of Income Tax On Income From Non Arms Length Transactions PercentageOfIncomeTaxOnIncomeFromNonArmsLengthTransactions	1
CY2016	aiv	Period Of Time Over Which Low Income Housing Tax Credits Realized By Investors PeriodOfTimeOverWhichLowIncomeHousingTaxCreditsRealizedByInvestors	P10Y
CY2014	aiv	Qualified Dividends Per Share Declared QualifiedDividendsPerShareDeclared	0.00
CY2015	aiv	Qualified Dividends Per Share Declared QualifiedDividendsPerShareDeclared	0.17
CY2016	aiv	Qualified Dividends Per Share Declared QualifiedDividendsPerShareDeclared	0.13
CY2014	aiv	Qualified Dividends Per Share Declared Percentage QualifiedDividendsPerShareDeclaredPercentage	0.000
CY2015	aiv	Qualified Dividends Per Share Declared Percentage QualifiedDividendsPerShareDeclaredPercentage	0.145
CY2016	aiv	Qualified Dividends Per Share Declared Percentage QualifiedDividendsPerShareDeclaredPercentage	0.099
CY2014	aiv	Redemption Of Operating Partnership Units In Exchange For Cash Or Shares Of Common Stock RedemptionOfOperatingPartnershipUnitsInExchangeForCashOrSharesOfCommonStock	7756000	USD
CY2015	aiv	Redemption Of Operating Partnership Units In Exchange For Cash Or Shares Of Common Stock RedemptionOfOperatingPartnershipUnitsInExchangeForCashOrSharesOfCommonStock	4181000	USD
CY2016	aiv	Redemption Of Operating Partnership Units In Exchange For Cash Or Shares Of Common Stock RedemptionOfOperatingPartnershipUnitsInExchangeForCashOrSharesOfCommonStock	10819000	USD
CY2014Q4	aiv	Sec Schedule Iii Accumulated Depreciation Held For Sale SECScheduleIIIAccumulatedDepreciationHeldForSale	12304000	USD
CY2015Q4	aiv	Sec Schedule Iii Accumulated Depreciation Held For Sale SECScheduleIIIAccumulatedDepreciationHeldForSale	4427000	USD
CY2016Q4	aiv	Sec Schedule Iii Accumulated Depreciation Held For Sale SECScheduleIIIAccumulatedDepreciationHeldForSale	1525000	USD
CY2014Q4	aiv	Sec Schedule Iii Real Estate Held For Sale SECScheduleIIIRealEstateHeldForSale	38744000	USD
CY2015Q4	aiv	Sec Schedule Iii Real Estate Held For Sale SECScheduleIIIRealEstateHeldForSale	7036000	USD
CY2016Q4	aiv	Sec Schedule Iii Real Estate Held For Sale SECScheduleIIIRealEstateHeldForSale	2801000	USD
CY2014	aiv	Tax Credit And Asset Management Revenues TaxCreditAndAssetManagementRevenues	31532000	USD
CY2015	aiv	Tax Credit And Asset Management Revenues TaxCreditAndAssetManagementRevenues	24356000	USD
CY2016	aiv	Tax Credit And Asset Management Revenues TaxCreditAndAssetManagementRevenues	21323000	USD
CY2015Q4	aiv	Total Assets Related To Legally Sold Portfolio TotalAssetsRelatedToLegallySoldPortfolio	154895000	USD
CY2016Q4	aiv	Total Assets Related To Legally Sold Portfolio TotalAssetsRelatedToLegallySoldPortfolio	34397000	USD
CY2014	aiv	Total Current Federal Tax Expense Benefit TotalCurrentFederalTaxExpenseBenefit	0	USD
CY2015	aiv	Total Current Federal Tax Expense Benefit TotalCurrentFederalTaxExpenseBenefit	1310000	USD
CY2016	aiv	Total Current Federal Tax Expense Benefit TotalCurrentFederalTaxExpenseBenefit	5038000	USD
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CY2015	aiv	Total Current Income Tax Expense Benefit TotalCurrentIncomeTaxExpenseBenefit	2667000	USD
CY2016	aiv	Total Current Income Tax Expense Benefit TotalCurrentIncomeTaxExpenseBenefit	7954000	USD
CY2014	aiv	Total Current Stateand Local Tax Expense Benefit TotalCurrentStateandLocalTaxExpenseBenefit	970000	USD
CY2015	aiv	Total Current Stateand Local Tax Expense Benefit TotalCurrentStateandLocalTaxExpenseBenefit	1357000	USD
CY2016	aiv	Total Current Stateand Local Tax Expense Benefit TotalCurrentStateandLocalTaxExpenseBenefit	2916000	USD
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CY2016	aiv	Total Deferred Federal Income Tax Expense Benefit TotalDeferredFederalIncomeTaxExpenseBenefit	-26173000	USD
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CY2016	aiv	Total Deferred Income Tax Expense Benefit TotalDeferredIncomeTaxExpenseBenefit	-26796000	USD
CY2014	aiv	Total Deferred Stateand Local Income Tax Expense Benefit TotalDeferredStateandLocalIncomeTaxExpenseBenefit	3485000	USD
CY2015	aiv	Total Deferred Stateand Local Income Tax Expense Benefit TotalDeferredStateandLocalIncomeTaxExpenseBenefit	-1052000	USD
CY2016	aiv	Total Deferred Stateand Local Income Tax Expense Benefit TotalDeferredStateandLocalIncomeTaxExpenseBenefit	-623000	USD
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CY2016	aiv	Unrecognized Tax Benefits Increase Decrease Resultingfrom Prior Periodand Current Year Tax Positions UnrecognizedTaxBenefitsIncreaseDecreaseResultingfromPriorPeriodandCurrentYearTaxPositions	-611000	USD
CY2014	aiv	Write Off Of Fully Depreciated Assets WriteOffOfFullyDepreciatedAssets	106300000	USD
CY2015	aiv	Write Off Of Fully Depreciated Assets WriteOffOfFullyDepreciatedAssets	76900000	USD
CY2016	aiv	Write Off Of Fully Depreciated Assets WriteOffOfFullyDepreciatedAssets	161600000	USD
CY2016	dei	Amendment Flag AmendmentFlag	false
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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	0000922864
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CY2016	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
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CY2016	dei	Entity Registrant Name EntityRegistrantName	APARTMENT INVESTMENT & MANAGEMENT CO
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CY2015Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	4064659000	USD
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CY2014	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-34687000	USD
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CY2016	us-gaap	Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-105549000	USD
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CY2015	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7096000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8610000	USD
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CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8600000	USD
CY2014	us-gaap	Amortization Of Below Market Lease AmortizationOfBelowMarketLease	1300000	USD
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CY2014	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3814000	USD
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CY2015Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	3070000	USD
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CY2015Q4	us-gaap	Below Market Lease Accumulated Amortization BelowMarketLeaseAccumulatedAmortization	31400000	USD
CY2016Q4	us-gaap	Below Market Lease Accumulated Amortization BelowMarketLeaseAccumulatedAmortization	33100000	USD
CY2016Q4	us-gaap	Below Market Lease Amortization Income Next Twelve Months BelowMarketLeaseAmortizationIncomeNextTwelveMonths	1200000	USD
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CY2016Q3	us-gaap	Gain Loss On Sale Of Properties Net Of Applicable Income Taxes GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes	14498000	USD
CY2016Q4	us-gaap	Gain Loss On Sale Of Properties Net Of Applicable Income Taxes GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes	156564000	USD
CY2016	us-gaap	Gain Loss On Sale Of Properties Net Of Applicable Income Taxes GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes	393790000	USD
CY2014	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	44092000	USD
CY2015	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	43178000	USD
CY2016	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	44937000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	43900000	USD
CY2016Q4	us-gaap	Goodwill Goodwill	39400000	USD
CY2014	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	3900000	USD
CY2015	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	1200000	USD
CY2016	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	4500000	USD
CY2014	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	1800000	USD
CY2015	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0	USD
CY2014	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	67475000	USD
CY2015Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	18457000	USD
CY2015Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	23907000	USD
CY2015Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	23769000	USD
CY2015Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	25257000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	91390000	USD
CY2016Q1	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	23698000	USD
CY2016Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	29412000	USD
CY2016Q3	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	15538000	USD
CY2016Q4	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	20835000	USD
CY2014	us-gaap	Income Taxes Paid IncomeTaxesPaid	1657000	USD
CY2015	us-gaap	Income Taxes Paid IncomeTaxesPaid	2033000	USD
CY2016	us-gaap	Income Taxes Paid IncomeTaxesPaid	2152000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-29895000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-22334000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-5555000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-9039000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-619000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	20680000	USD
CY2014	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-26315000	USD
CY2015	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	429000	USD
CY2016	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-1374000	USD
CY2015Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	45447000	USD
CY2016Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	40668000	USD
CY2014	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	14200000	USD
CY2015	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	11700000	USD
CY2016	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	9600000	USD
CY2014	us-gaap	Interest Expense InterestExpense	220971000	USD
CY2015	us-gaap	Interest Expense InterestExpense	199685000	USD
CY2016	us-gaap	Interest Expense InterestExpense	196389000	USD
CY2014	us-gaap	Interest Paid InterestPaid	231887000	USD
CY2015	us-gaap	Interest Paid InterestPaid	207087000	USD
CY2016	us-gaap	Interest Paid InterestPaid	200278000	USD
CY2015Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	6446326000	USD
CY2016Q4	us-gaap	Investment Building And Building Improvements InvestmentBuildingAndBuildingImprovements	6627374000	USD
CY2014	us-gaap	Investment Income Interest InvestmentIncomeInterest	6878000	USD
CY2015	us-gaap	Investment Income Interest InvestmentIncomeInterest	6949000	USD
CY2016	us-gaap	Investment Income Interest InvestmentIncomeInterest	7797000	USD
CY2015Q4	us-gaap	Land Land	1861157000	USD
CY2016Q4	us-gaap	Land Land	1858792000	USD
CY2016	us-gaap	Lessor Leasing Arrangements Operating Leases Term Of Contract LessorLeasingArrangementsOperatingLeasesTermOfContract	P12M
CY2016Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	11800000	USD
CY2015Q4	us-gaap	Liabilities Liabilities	4266850000	USD
CY2016Q4	us-gaap	Liabilities Liabilities	4184651000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6118681000	USD
CY2016Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6232818000	USD
CY2015Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	53000	USD
CY2016Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	1658000	USD
CY2016	us-gaap	Limited Liability Company Llc Or Limited Partnership Lp Managing Member Or General Partner Ownership Interest LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest	0.954
CY2016Q4	us-gaap	Limited Partners Capital Account Units Outstanding LimitedPartnersCapitalAccountUnitsOutstanding	156888381	shares
CY2015Q4	us-gaap	Line Of Credit LineOfCredit	27000000	USD
CY2016Q4	us-gaap	Line Of Credit LineOfCredit	17930000	USD
CY2016	us-gaap	Line Of Credit Facility Dividend Restrictions LineOfCreditFacilityDividendRestrictions	aggregate amount that does not exceed the greater of 95% of our Funds From Operations for such period, subject to certain non-cash adjustments, or such amount as may be necessary to maintain Aimco’s REIT status
CY2016	us-gaap	Line Of Credit Facility Expiration Date1 LineOfCreditFacilityExpirationDate1	2022-01-22
CY2015Q4	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.0159
CY2016Q4	us-gaap	Line Of Credit Facility Interest Rate At Period End LineOfCreditFacilityInterestRateAtPeriodEnd	0.0209
CY2016	us-gaap	Line Of Credit Facility Interest Rate Description LineOfCreditFacilityInterestRateDescription	LIBOR, plus 1.20%, or, at our option, Prime plus 0.20%
CY2016Q4	us-gaap	Line Of Credit Facility Maximum Borrowing Capacity LineOfCreditFacilityMaximumBorrowingCapacity	600000000	USD
CY2016Q4	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	570300000	USD
CY2015Q4	us-gaap	Long Term Debt LongTermDebt	3849141000	USD
CY2015Q4	us-gaap	Long Term Debt LongTermDebt	3800000000	USD
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	3884632000	USD
CY2016Q4	us-gaap	Long Term Debt LongTermDebt	3900000000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1496357000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	260162000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	753383000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	303741000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	481136000	USD
CY2016Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	207616000	USD
CY2014	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	43914000	USD
CY2015	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	89371000	USD
CY2016	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	35974000	USD
CY2015Q4	us-gaap	Minority Interest In Limited Partnerships MinorityInterestInLimitedPartnerships	151365000	USD
CY2016Q4	us-gaap	Minority Interest In Limited Partnerships MinorityInterestInLimitedPartnerships	151121000	USD
CY2015Q4	us-gaap	Minority Interest In Operating Partnerships MinorityInterestInOperatingPartnerships	-9851000	USD
CY2016Q4	us-gaap	Minority Interest In Operating Partnerships MinorityInterestInOperatingPartnerships	-58000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-361882000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-167176000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-269496000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	13678000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-170897000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-97773000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	321424000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	359891000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	377724000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	309249000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	248710000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	430410000	USD
CY2014	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	46862000	USD
CY2015	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	23273000	USD
CY2016	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	52863000	USD
CY2014	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	300220000	USD
CY2015Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	89344000	USD
CY2015Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	60804000	USD
CY2015Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	19179000	USD
CY2015Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	66639000	USD
CY2015	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	235966000	USD
CY2016Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	23223000	USD
CY2016Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	221382000	USD
CY2016Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	11176000	USD
CY2016Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	162000000	USD
CY2016	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	417781000	USD
CY2014	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	65200000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	256215000	USD
CY2016Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	63534000	USD
CY2016Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	64436000	USD
CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	58732000	USD
CY2016Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	60094000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	246796000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	92291000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	3652000	USD
CY2015	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2016	us-gaap	Noncash Or Part Noncash Acquisition Debt Assumed1 NoncashOrPartNoncashAcquisitionDebtAssumed1	0	USD
CY2014	us-gaap	Noncontrolling Interest In Net Income Loss Limited Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable	24595000	USD
CY2015	us-gaap	Noncontrolling Interest In Net Income Loss Limited Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable	4776000	USD
CY2016	us-gaap	Noncontrolling Interest In Net Income Loss Limited Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossLimitedPartnershipsNonredeemable	25256000	USD
CY2014	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable	15770000	USD
CY2015	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable	11554000	USD
CY2016	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable	20368000	USD
CY2014	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Nonredeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersNonredeemable	6497000	USD
CY2015	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Nonredeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersNonredeemable	6943000	USD
CY2016	us-gaap	Noncontrolling Interest In Net Income Loss Preferred Unit Holders Nonredeemable NoncontrollingInterestInNetIncomeLossPreferredUnitHoldersNonredeemable	7239000	USD
CY2014	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	11559000	USD
CY2014	us-gaap	Notes Reduction NotesReduction	58410000	USD
CY2015	us-gaap	Notes Reduction NotesReduction	6068000	USD
CY2016	us-gaap	Notes Reduction NotesReduction	0	USD
CY2016	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	Segment
CY2014	us-gaap	Operating Expenses OperatingExpenses	722013000	USD
CY2015Q1	us-gaap	Operating Expenses OperatingExpenses	183198000	USD
CY2015Q2	us-gaap	Operating Expenses OperatingExpenses	179140000	USD
CY2015Q3	us-gaap	Operating Expenses OperatingExpenses	182366000	USD
CY2015Q4	us-gaap	Operating Expenses OperatingExpenses	180391000	USD
CY2015	us-gaap	Operating Expenses OperatingExpenses	725095000	USD
CY2016Q1	us-gaap	Operating Expenses OperatingExpenses	182705000	USD
CY2016Q2	us-gaap	Operating Expenses OperatingExpenses	186782000	USD
CY2016Q3	us-gaap	Operating Expenses OperatingExpenses	190172000	USD
CY2016Q4	us-gaap	Operating Expenses OperatingExpenses	189399000	USD
CY2016	us-gaap	Operating Expenses OperatingExpenses	749058000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	262350000	USD
CY2015Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	61067000	USD
CY2015Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	65643000	USD
CY2015Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	64021000	USD
CY2015Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	65484000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	1565000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	1682000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	1537000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	2471000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	483273000	USD
CY2016	us-gaap	Property Plant And Equipment Useful Life PropertyPlantAndEquipmentUsefulLife	P15Y
CY2013Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	2822872000	USD
CY2014Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	2672179000	USD
CY2015Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	2778022000	USD
CY2014	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	106802000	USD
CY2015	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	78838000	USD
CY2016Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	81384000	USD
CY2016Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	8000000	USD
CY2016Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	4500000	USD
CY2015Q4	us-gaap	Other Assets OtherAssets	448405000	USD
CY2016Q4	us-gaap	Other Assets OtherAssets	344915000	USD
CY2015Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	97205000	USD
CY2016Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	104606000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-1192000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	214000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	5855000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1813000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	593000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	7662000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-1685000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-1678000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	-1586000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-2306000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-1299000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	221000	USD
CY2014	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	14349000	USD
CY2015	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	10368000	USD
CY2016	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	14295000	USD
CY2014	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-829000	USD
CY2015	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	387000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	6071000	USD
CY2014	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	1082000	USD
CY2015	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	950000	USD
CY2016	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	635000	USD
CY2014	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	367324000	USD
CY2015	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	367180000	USD
CY2016	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	346645000	USD
CY2014	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-7163000	USD
CY2015	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-5253000	USD
CY2016	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-10254000	USD
CY2014	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	9516000	USD
CY2015	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	27000000	USD
CY2016	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	34799000	USD
CY2014	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	152002000	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	184082000	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	206279000	USD
CY2014	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	49972000	USD
CY2015	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	57401000	USD
CY2016	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	35706000	USD
CY2014	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	7073000	USD
CY2015	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	11099000	USD
CY2016	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	163009000	USD
CY2016Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	2730758000	USD
CY2016	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	10014000	USD
CY2014	us-gaap	Payments To Acquire Additional Interest In Subsidiaries PaymentsToAcquireAdditionalInterestInSubsidiaries	8178000	USD
CY2015	us-gaap	Payments To Acquire Additional Interest In Subsidiaries PaymentsToAcquireAdditionalInterestInSubsidiaries	4517000	USD
CY2016	us-gaap	Payments To Acquire Additional Interest In Subsidiaries PaymentsToAcquireAdditionalInterestInSubsidiaries	26485000	USD
CY2014	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	8479000	USD
CY2015	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	6665000	USD
CY2016	us-gaap	Payments To Acquire Other Productive Assets PaymentsToAcquireOtherProductiveAssets	7540000	USD
CY2014	us-gaap	Payments To Acquire Residential Real Estate PaymentsToAcquireResidentialRealEstate	284041000	USD
CY2015	us-gaap	Payments To Acquire Residential Real Estate PaymentsToAcquireResidentialRealEstate	169447000	USD
CY2016	us-gaap	Payments To Acquire Residential Real Estate PaymentsToAcquireResidentialRealEstate	290729000	USD
CY2014	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	7947000	USD
CY2015	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	11794000	USD
CY2016	us-gaap	Preferred Stock Dividends And Other Adjustments PreferredStockDividendsAndOtherAdjustments	11994000	USD
CY2016Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2015Q4	us-gaap	Preferred Stock Value PreferredStockValue	159126000	USD
CY2016Q4	us-gaap	Preferred Stock Value PreferredStockValue	125000000	USD
CY2014	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2015	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	366580000	USD
CY2016	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2014	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	123551000	USD
CY2015	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2016	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2014	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	188503000	USD
CY2015	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	352602000	USD
CY2016	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	417714000	USD
CY2014	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	4474000	USD
CY2015	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-2635000	USD
CY2016	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	7090000	USD
CY2014	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	61930000	USD
CY2015	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-85330000	USD
CY2016	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-9070000	USD
CY2014	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	640044000	USD
CY2015	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	367571000	USD
CY2016	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	535513000	USD
CY2014	us-gaap	Profit Loss ProfitLoss	356111000	USD
CY2015Q1	us-gaap	Profit Loss ProfitLoss	104150000	USD
CY2015Q2	us-gaap	Profit Loss ProfitLoss	68688000	USD
CY2015Q3	us-gaap	Profit Loss ProfitLoss	23769000	USD
CY2015Q4	us-gaap	Profit Loss ProfitLoss	75376000	USD
CY2015	us-gaap	Profit Loss ProfitLoss	271983000	USD
CY2016Q1	us-gaap	Profit Loss ProfitLoss	29885000	USD
CY2016Q2	us-gaap	Profit Loss ProfitLoss	245953000	USD
CY2016Q3	us-gaap	Profit Loss ProfitLoss	30036000	USD
CY2016Q4	us-gaap	Profit Loss ProfitLoss	177399000	USD
CY2014	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	296647000	USD
CY2015	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	96406000	USD
CY2016	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	195095000	USD
CY2014	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	665952000	USD
CY2015	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	260903000	USD
CY2016	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	323593000	USD
CY2016Q4	us-gaap	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	3700000000	USD
CY2013Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	8214081000	USD
CY2014Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	8144958000	USD
CY2015Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	8307483000	USD
CY2016Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	8486166000	USD
CY2014	us-gaap	Real Estate Improvements RealEstateImprovements	367454000	USD
CY2015	us-gaap	Real Estate Improvements RealEstateImprovements	362948000	USD
CY2016	us-gaap	Real Estate Improvements RealEstateImprovements	338606000	USD
CY2015Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	2778022000	USD
CY2016Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	2730758000	USD
CY2015Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	8307483000	USD
CY2016Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	8486166000	USD
CY2015Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	5529461000	USD
CY2016Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	5755408000	USD
CY2014	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	379187000	USD
CY2015	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	147077000	USD
CY2016	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	333174000	USD
CY2014	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	111068000	USD
CY2015	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	79561000	USD
CY2016	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	166703000	USD
CY2015Q4	us-gaap	Redeemable Noncontrolling Interest Equity Preferred Carrying Amount RedeemableNoncontrollingInterestEquityPreferredCarryingAmount	87926000	USD
CY2016Q4	us-gaap	Redeemable Noncontrolling Interest Equity Preferred Carrying Amount RedeemableNoncontrollingInterestEquityPreferredCarryingAmount	103201000	USD
CY2014	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	513599000	USD
CY2015	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	514294000	USD
CY2016	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	371947000	USD
CY2015Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	86956000	USD
CY2016Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	69906000	USD
CY2014	us-gaap	Revenues Revenues	984363000	USD
CY2015Q1	us-gaap	Revenues Revenues	244265000	USD
CY2015Q2	us-gaap	Revenues Revenues	244783000	USD
CY2015Q3	us-gaap	Revenues Revenues	246387000	USD
CY2015Q4	us-gaap	Revenues Revenues	245875000	USD
CY2015	us-gaap	Revenues Revenues	981310000	USD
CY2016Q1	us-gaap	Revenues Revenues	246239000	USD
CY2016Q2	us-gaap	Revenues Revenues	251218000	USD
CY2016Q3	us-gaap	Revenues Revenues	248904000	USD
CY2016Q4	us-gaap	Revenues Revenues	249493000	USD
CY2016	us-gaap	Revenues Revenues	995854000	USD
CY2014	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	265060000	USD
CY2015	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	285514000	USD
CY2016	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	312365000	USD
CY2015Q4	us-gaap	Secured Debt SecuredDebt	3822141000	USD
CY2016Q4	us-gaap	Secured Debt SecuredDebt	3866702000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	5781000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	6640000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1944966000	USD
CY2014	us-gaap	Stockholders Equity Other StockholdersEquityOther	-949000	USD
CY2015	us-gaap	Stockholders Equity Other StockholdersEquityOther	-352000	USD
CY2016	us-gaap	Stockholders Equity Other StockholdersEquityOther	-3323000	USD
CY2016Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	65600000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2871000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2286000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2897000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2286000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2300000	USD
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	146002000	shares
CY2015Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	154277000	shares
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	7629000	USD
CY2014	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	123552000	USD
CY2015	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	366580000	USD
CY2014	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	9516000	USD
CY2015	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	27000000	USD
CY2016	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	34799000	USD
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	1622391000	USD
CY2016Q4	us-gaap	Stockholders Equity StockholdersEquity	1793903000	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1172744000	USD
CY2014Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1442105000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1763905000	USD
CY2015Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	155954000	shares
CY2015Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	156008000	shares
CY2015Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	156043000	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	155570000	shares
CY2016Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	156117000	shares
CY2016Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	156793000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	156527000	shares
CY2016Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	156540000	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	156391000	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	145639000	shares
CY2015Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	153821000	shares
CY2015Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	155524000	shares
CY2015Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	155639000	shares
CY2015Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	155725000	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	155177000	shares
CY2016Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	155791000	shares
CY2016Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	156375000	shares
CY2016Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	156079000	shares
CY2016Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	156171000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	156001000	shares
CY2016	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:12px;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Organization</font></div><div style="line-height:120%;padding-bottom:12px;text-align:justify;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Apartment Investment and Management Company, or Aimco, is a Maryland corporation incorporated on January 10, 1994. Aimco is a self-administered and self-managed real estate investment trust, or REIT. AIMCO Properties, L.P., or the Aimco Operating Partnership, is a Delaware limited partnership formed on May 16, 1994, to conduct our business, which is focused on the ownership, management, redevelopment and limited development of quality apartment communities located in the largest coastal and job growth markets in the United States.</font></div><div style="line-height:120%;padding-bottom:12px;text-align:justify;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Aimco, through its wholly-owned subsidiaries, AIMCO-GP, Inc. and AIMCO-LP Trust, owns a majority of the ownership interests in the Aimco Operating Partnership. Aimco conducts all of its business and owns all of its assets through the Aimco Operating Partnership. Interests in the Aimco Operating Partnership that are held by limited partners other than Aimco are referred to as OP Units. OP Units include common partnership units and high performance partnership units, which we refer to as common OP Units, as well as partnership preferred units, which we refer to as preferred OP Units. At </font><font style="font-family:inherit;font-size:10pt;">December 31, 2016</font><font style="font-family:inherit;font-size:10pt;">, after eliminations for units held by consolidated subsidiaries, the Aimco Operating Partnership had </font><font style="font-family:inherit;font-size:10pt;">164,493,293</font><font style="font-family:inherit;font-size:10pt;"> common partnership units and equivalents outstanding. At </font><font style="font-family:inherit;font-size:10pt;">December 31, 2016</font><font style="font-family:inherit;font-size:10pt;">, Aimco owned </font><font style="font-family:inherit;font-size:10pt;">156,888,381</font><font style="font-family:inherit;font-size:10pt;"> of the common partnership units (</font><font style="font-family:inherit;font-size:10pt;">95.4%</font><font style="font-family:inherit;font-size:10pt;"> of the common partnership units and equivalents of the Aimco Operating Partnership) and Aimco had outstanding an equal number of shares of its Class A Common Stock, which we refer to as Common Stock.</font></div><div style="line-height:120%;padding-bottom:12px;text-align:justify;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Except as the context otherwise requires, “we,” “our” and “us” refer to Aimco, the Aimco Operating Partnership and their consolidated subsidiaries, collectively.</font></div><div style="line-height:120%;padding-bottom:12px;text-align:justify;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">As of </font><font style="font-family:inherit;font-size:10pt;">December 31, 2016</font><font style="font-family:inherit;font-size:10pt;">, we owned an equity interest in </font><font style="font-family:inherit;font-size:10pt;">134</font><font style="font-family:inherit;font-size:10pt;"> conventional apartment communities with </font><font style="font-family:inherit;font-size:10pt;">37,922</font><font style="font-family:inherit;font-size:10pt;"> apartment homes and </font><font style="font-family:inherit;font-size:10pt;">55</font><font style="font-family:inherit;font-size:10pt;"> affordable apartment communities with </font><font style="font-family:inherit;font-size:10pt;">8,389</font><font style="font-family:inherit;font-size:10pt;"> apartment homes. Of these apartment communities, we consolidated </font><font style="font-family:inherit;font-size:10pt;">130</font><font style="font-family:inherit;font-size:10pt;"> conventional apartment communities with </font><font style="font-family:inherit;font-size:10pt;">37,780</font><font style="font-family:inherit;font-size:10pt;"> apartment homes and </font><font style="font-family:inherit;font-size:10pt;">48</font><font style="font-family:inherit;font-size:10pt;"> affordable apartment communities with </font><font style="font-family:inherit;font-size:10pt;">7,702</font><font style="font-family:inherit;font-size:10pt;"> apartment homes. These conventional and affordable apartment communities generated </font><font style="font-family:inherit;font-size:10pt;">90%</font><font style="font-family:inherit;font-size:10pt;"> and </font><font style="font-family:inherit;font-size:10pt;">10%</font><font style="font-family:inherit;font-size:10pt;">, respectively, of the proportionate property net operating income (as defined in </font><font style="font-family:inherit;font-size:10pt;font-weight:normal;">Note 12</font><font style="font-family:inherit;font-size:10pt;"> and excluding amounts related to apartment communities sold or classified as held for sale) during the year ended </font><font style="font-family:inherit;font-size:10pt;">December 31, 2016</font><font style="font-family:inherit;font-size:10pt;">.</font></div></div>
CY2016	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-bottom:12px;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Reclassifications</font></div><div style="line-height:120%;padding-bottom:12px;text-align:justify;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Certain items included in the 2015 and 2014 financial statements have been reclassified to conform to the current presentation.</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%;padding-bottom:12px;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</font></div><div style="line-height:120%;padding-bottom:12px;text-align:justify;text-indent:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of our consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts included in the financial statements and accompanying notes thereto. Actual results could differ from those estimates.</font></div></div>

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APARTMENT INVESTMENT & MANAGEMENT CO Stock $aiv

2016 Q4 Form 10-K Financial Statement

#000092286417000006 Filed on February 24, 2017

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$AIV APARTMENT INVESTMENT & MANAGEMENT CO Stock $aiv

2016 Q4 Form 10-K Financial Statement

#000092286417000006 Filed on February 24, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AIV
APARTMENT INVESTMENT & MANAGEMENT CO Stock $aiv