Entity Central Index Key
Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing, equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases. Also includes amount of investment in certain other real estate investments not specifically identified elsewhere in the existing taxonomy.
Undeveloped land.
Real Estate Assets, Net
Operating costs and expenses excluding depreciation and amortization.
Property operating expenses.
Gain (loss) on sale of non depreciable real estate assets.
Income (Loss) from Continuing Operations before Equity Method Investments
preferred unit dividend, income statement
Gain on sale of non-depreciable assets.
The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures, and other related assets such as intangibles (in-place-leases) on it and so forth; includes real estate and other assets intended to generate income for the owner; excludes real estate acquired for use by the owner.
Income (loss) from continuing operations allocated to unvested restricted shares.
Income from continuing operations allocated to unvested restricted shares
Income from Continuing Operations, Including Portion Attributable to Noncontrolling Interest
Income from Continuing Operations Attributable to Noncontrolling Interest
Represents total operating revenues less property operating expenses, excluding depreciation.
Cover [Abstract]
Document Information [Table]
Document Information [Table]
Partner Type
Partner Type Of Partners Capital Account [Axis]
Partner Type of Partners' Capital Account, Name
Partner Type Of Partners Capital Account Name [Domain]
Limited Partner [Member]
Limited Partner [Member]
Class of Stock
Statement Class Of Stock [Axis]
Class of Stock
Class Of Stock [Domain]
Common Stock [Member]
Common Stock [Member]
Cumulative Preferred Stock [Member]
Cumulative Preferred Stock [Member]
Document Information [Line Items]
Document Information [Line Items]
Document Type
Document Type
Amendment Flag
Amendment Flag
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Security Exchange Name
Security Exchange Name
Trading Symbol
Trading Symbol
Title of 12(b) Security
Security12b Title
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Entity Common Stock, Shares Outstanding
Entity Common Stock Shares Outstanding
Entity Shell Company
Entity Shell Company
Entity Current Reporting Status
Entity Current Reporting Status
Entity Interactive Data Current
Entity Interactive Data Current
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Small Business
Entity Small Business
Entity File Number
Entity File Number
Entity Incorporation, State or Country Code
Entity Incorporation State Country Code
Entity Tax Identification Number
Entity Tax Identification Number
Entity Address, Address Line One
Entity Address Address Line1
Entity Address, Address Line Two
Entity Address Address Line2
Entity Address, City or Town
Entity Address City Or Town
Entity Address, State or Province
Entity Address State Or Province
Entity Address, Postal Zip Code
Entity Address Postal Zip Code
City Area Code
City Area Code
Local Phone Number
Local Phone Number
Document Quarterly Report
Document Quarterly Report
Document Transition Report
Document Transition Report
Parent LP stockholders equity including portion attributable to noncontrolling interest
Liabilities and Capital
Statement Of Financial Position [Abstract]
Statement [Table]
Statement [Table]
Statement [Line Items]
Statement [Line Items]
Assets
Assets [Abstract]
Land
Land
Buildings and improvements and other
Buildings Improvements And Other
Development and capital improvements in progress
Construction In Progress Gross
Real Estate Investment Property, at Cost
Real Estate Investment Property At Cost
Less: Accumulated depreciation
Real Estate Investment Property Accumulated Depreciation
Real Estate Investment Property, Net
Real Estate Investment Property Net
Undeveloped land
Undeveloped Land
Investment in real estate joint venture
Investments In Affiliates Subsidiaries Associates And Joint Ventures
Real estate assets, net
Real Estate Assets Net
Cash and cash equivalents
Cash And Cash Equivalents At Carrying Value
Restricted cash
Restricted Cash
Other assets
Other Assets
Total assets
Assets
Liabilities and equity
Liabilities And Stockholders Equity [Abstract]
Liabilities:
Liabilities [Abstract]
Unsecured notes payable
Unsecured Debt
Secured notes payable
Secured Debt
Accrued expenses and other liabilities
Accrued Liabilities Current And Noncurrent
Total liabilities
Liabilities
Redeemable common stock
Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests
Shareholders’ equity:
Stockholders Equity Including Portion Attributable To Noncontrolling Interest [Abstract]
Preferred Stock, Value, Outstanding
Preferred Stock Value Outstanding
Common stock
Common Stock Value Outstanding
Additional paid-in capital
Additional Paid In Capital
Accumulated distributions in excess of net income
Accumulated Distributions In Excess Of Net Income
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income Loss Net Of Tax
Total MAA shareholders’ equity
Stockholders Equity
Noncontrolling interests - Operating Partnership units
Minority Interest In Operating Partnerships
Total Company's shareholders’ equity
Parent L P Stockholders Equity Including Portion Attributable To Noncontrolling Interest
Noncontrolling interests - consolidated real estate entities
Minority Interest In Joint Ventures
Total equity
Stockholders Equity Including Portion Attributable To Noncontrolling Interest
Total liabilities and equity
Liabilities And Stockholders Equity
Common stock, par value per share
Common Stock Par Or Stated Value Per Share
Common stock, shares authorized
Common Stock Shares Authorized
Common stock, shares issued
Common Stock Shares Issued
Common stock, shares outstanding
Common Stock Shares Outstanding
Preferred Stock, Par or Stated Value Per Share
Preferred Stock Par Or Stated Value Per Share
Preferred Stock, Shares Authorized
Preferred Stock Shares Authorized
Preferred Stock, Dividend Rate, Percentage
Preferred Stock Dividend Rate Percentage
Preferred Stock, Shares Issued
Preferred Stock Shares Issued
Preferred Stock, Shares Outstanding
Preferred Stock Shares Outstanding
Preferred Stock, Liquidation Preference Per Share
Preferred Stock Liquidation Preference
Redeemable stock, shares issued and outstanding
Temporary Equity Shares Outstanding
General Partners' Capital Account, Units Outstanding
General Partners Capital Account Units Outstanding
Limited Partners' Capital Account, Units Outstanding
Limited Partners Capital Account Units Outstanding
Income Statement [Abstract]
Revenues:
Revenues [Abstract]
Rental and other property revenues
Revenues
Expenses:
Operating Costs And Expenses [Abstract]
Operating expense, excluding real estate taxes and insurance
Operating Costs And Expenses Excluding Depreciation And Amortization
Real estate taxes and insurance
Real Estate Taxes And Insurance
Depreciation and amortization
Depreciation And Amortization
Total property operating expenses
Property Operating Expenses
Property management expenses
Other Cost And Expense Operating
General and administrative expenses
General And Administrative Expense
Interest expense
Interest Expense
Loss on sale of depreciable real estate assets
Gain Loss On Sale Of Property Plant Equipment
Loss (gain) on sale of non-depreciable real estate assets
Gain Loss On Sale Of Non Depreciable Real Estate Assets
Other non-operating expense (income)
Other Nonoperating Income Expense
Income before income tax expense
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
Income tax expense
Income Tax Expense Benefit
Income from continuing operations before real estate joint venture activity
Income Loss From Continuing Operations Before Equity Method Investments
Income from real estate joint venture
Income Loss From Equity Method Investments
Net income
Profit Loss
Net income attributable to noncontrolling interests
Net Income Loss Attributable To Noncontrolling Interest
Dividends to preferred unitholders
Preferred Unit Dividends Income Statement Impact
Net income available for shareholders
Net Income Loss
Dividends to MAA Series I preferred shareholders
Preferred Stock Dividends Income Statement Impact
Net income available for MAA common shareholders
Net Income Loss Available To Common Stockholders Basic
Earnings per common share - basic:
Earnings Per Share Basic [Abstract]
Net income available for MAA common shareholders
Earnings Per Share Basic
Earnings per common share - diluted:
Earnings Per Share Diluted [Abstract]
Net income available for MAA common shareholders
Earnings Per Share Diluted
Consolidated Statements of Comprehensive Income [Abstract]
Consolidated Statements Of Comprehensive Income [Abstract]
Net income
Other comprehensive (loss) income:
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract]
Unrealized loss from derivative instruments
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax
Adjustment for net losses (gains) reclassified to net income from derivative instruments
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax
Total comprehensive income
Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest
Less: Comprehensive income attributable to noncontrolling interests
Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest
Comprehensive income
Comprehensive Income Net Of Tax
Statement Of Cash Flows [Abstract]
Cash flows from operating activities:
Net Cash Provided By Used In Operating Activities [Abstract]
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract]
Depreciation and amortization
Depreciation Depletion And Amortization
Loss on sale of depreciable real estate assets
Gain Loss On Disposition Of Assets
Loss (gain) on sale of non-depreciable real estate assets
Gain On Sale Of Non Depreciable Assets
Loss on embedded derivative in preferred shares
Derivative Gain Loss On Derivative Net
Stock compensation expense
Share Based Compensation
Amortization of debt issuance costs, discounts and premiums
Amortization Of Debt Discount Premium
Net change in operating accounts and other operating activities
Other Operating Activities Cash Flow Statement
Net cash provided by operating activities
Net Cash Provided By Used In Operating Activities
Cash flows from investing activities:
Net Cash Provided By Used In Investing Activities [Abstract]
Purchases of real estate and other assets
Payments To Acquire Real Estate And Other Assets
Capital improvements, development and other
Payments For Capital Improvements
Distributions from real estate joint ventures
Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital
Contributions to affiliates
Payments To Acquire Equity Method Investments
Proceeds from disposition of real estate assets
Proceeds From Sale Of Real Estate Heldforinvestment
Net cash used in investing activities
Net Cash Provided By Used In Investing Activities
Cash flows from financing activities:
Net Cash Provided By Used In Financing Activities [Abstract]
Proceeds from revolving credit facility
Proceeds From Lines Of Credit
Repayments of revolving credit facility
Repayments Of Lines Of Credit
Net repayments of commercial paper
Proceeds From Repayments Of Commercial Paper
Proceeds from notes payable
Proceeds From Notes Payable
Principal payments on notes payable
Repayments Of Notes Payable
Payment of deferred financing costs
Payments Of Financing Costs
Distributions to noncontrolling interests
Payments Of Dividends Minority Interest
Distributions paid on common shares/units
Payments Of Dividends Common Stock
Distributions paid on preferred shares/units
Payments Of Dividends Preferred Stock And Preference Stock
Net change in other financing activities
Proceeds From Payments For Other Financing Activities
Net cash used in financing activities
Net Cash Provided By Used In Financing Activities
Net (decrease) increase in cash, cash equivalents and restricted cash
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
Cash, cash equivalents and restricted cash, beginning of period
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
Cash, cash equivalents and restricted cash, end of period
Reconciliation of cash, cash equivalents and restricted cash:
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents [Abstract]
Supplemental disclosure of cash flow information:
Supplemental Cash Flow Information [Abstract]
Interest paid
Interest Paid Net
Income taxes paid
Income Taxes Paid
Supplemental disclosure of noncash investing and financing activities:
Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract]
Conversion of OP Units to shares of common stock
Conversion Of Stock Amount Converted1
Accrued construction in progress
Construction In Progress Expenditures Incurred But Not Yet Paid
Interest capitalized
Interest Costs Capitalized
Liabilities and Capital [Abstract]
Undeveloped land
Land Available For Development
Liabilities and capital
Liabilities And Capital [Abstract]
Due to general partner
Due To Related Parties Current
Operating Partnership capital:
Capital [Abstract]
Preferred Units, Preferred Partners' Capital Accounts
Preferred Units Preferred Partners Capital Accounts
General Partners' Capital Account
General Partners Capital Account
Limited Partners' Capital Account
Limited Partners Capital Account
Total operating partners’ capital
Capital
Total equity
Partners Capital Including Portion Attributable To Noncontrolling Interest
Total liabilities and equity
Liabilities And Capital
Preferred Units, Issued
Preferred Units Issued
Preferred Units, Outstanding
Preferred Units Outstanding
Basic earnings per unit.
Diluted earnings per unit.
Net income available for MAA common shareholders
Net income available for MAALP common unitholders
Basic Earnings Per Unit
Net income available for MAALP common unitholders
Diluted Earnings Per Unit
Consolidation and Basis of Presentation and Significant Accounting Policies [Abstract]
Consolidation And Basis Of Presentation And Significant Accounting Policies [Abstract]
Organization and Summary of Significant Accounting Policies
Organization Consolidation And Presentation Of Financial Statements Disclosure And Significant Accounting Policies [Text Block]
Earnings per common share of MAA.
Earnings Per Common Share Of M A A [Abstract]
Earnings per Common Share of MAA
Earnings Per Share [Text Block]
Earnings per unit text block.
Earnings Per Share [Abstract]
Earnings per OP Unit of MAALP
Earnings Per Unit [Text Block]
Consolidated Statements of Equity [Text Block]
MAA Equity.
M A A Equity [Abstract]
MAA Equity
Consolidated Statements Of Equity [Text Block]
Consolidated Statements of Changes in Capital [Text Block]
MAALP Capital [Abstract]
M A A L P Capital [Abstract]
MAALP Capital
Consolidated Statements Of Changes In Capital [Text Block]
Notes to Financial Statements [Abstract]
Notes To Financial Statements [Abstract]
Borrowings
Debt Disclosure [Text Block]
Fair Value Disclosures [Abstract]
Financial Instruments and Derivatives
Fair Value Disclosures [Text Block]
Shareholders' Equity of MAA [Abstract]
Shareholders Equity Of M A A [Abstract]
Shareholders' Equity of MAA
Stockholders Equity Note Disclosure [Text Block]
Partners Capital Notes [Abstract]
Partners' Capital of MAALP
Partners Capital Notes Disclosure [Text Block]
Loss Contingency [Abstract]
Commitments and Contingencies
Legal Matters And Contingencies [Text Block]
Segment Information
Segment Reporting Disclosure [Text Block]
Real Estate [Abstract]
Real Estate Acquisitions and Dispositions
Mergers Acquisitions And Dispositions Disclosures [Text Block]
Basis of presentation and principles of consolidation, policy.
Accounting Policies [Abstract]
Basis of Presentation and Principles of Consolidation
Basis Of Presentation And Principles Of Consolidation Policy Policy [Text Block]
Reclassifications
Prior Period Reclassification Adjustment Description
Noncontrolling Interests Policy Text Block.
Noncontrolling Interests
Noncontrolling Interests Policy [Text Block]
Investments in Unconsolidated Affiliates
Equity Method Investments Policy
Fair value of derivative financial instruments
Fair Value Measurement Policy Policy [Text Block]
Revenue Recognition
Revenue Recognition Policy [Text Block]
Leases
Lessee Leases Policy [Text Block]
Recently Adopted Accounting Pronouncements
New Accounting Pronouncements Policy Policy [Text Block]
Schedule of Computation of Diluted Earnings per Share
Schedule Of Earnings Per Share Basic And Diluted Table [Text Block]
Schedule of earnings per unit basic and diluted.
Schedule of Diluted Earnings per Common Unit
Schedule Of Earnings Per Unit Basic And Diluted Table [Text Block]
Shareholders' Equity [Table Text Block]
Summary of Changes in Total Equity and its Components
Shareholders Equity Table [Text Block]
Partners' Capital [Table Text Block]
Summary of Changes in Total Capital and its Components
Partners Capital Table [Text Block]
Debt Disclosure [Abstract]
Summary of Outstanding Debt
Schedule Of Debt Table [Text Block]
Effect of Derivative Instruments on Consolidated Statement of Operations
Schedule Of Derivative Instruments Gain Loss In Statement Of Financial Performance [Text Block]
Schedule of Cumulative Redeemable Preferred Stock
Schedule Of Stock By Class [Text Block]
Schedule of Operating Lease Obligations
Lessee Operating Lease Liability Maturity Table [Text Block]
Revenues and NOI for Reportable Segment
Reconciliation Of Operating Profit Loss From Segments To Consolidated [Text Block]
Assets for Reportable Segment
Reconciliation Of Assets From Segment To Consolidated [Text Block]
Schedule of real estate asset acquisitions and dispositions.
Schedule of Real Estate Asset Acquisitions and Dispositions
Schedule Of Real Estate Asset Acquisitions And Dispositions Table [Text Block]
Disclosure - Basis of Presentation and Principles of Consolidation and Significant Accounting Policies - Additional Information (Details) [Abstract]
Disclosure Basis Of Presentation And Principles Of Consolidation And Significant Accounting Policies Additional Information Details [Abstract]
Schedule Of Real Estate Properties [Table]
Schedule Of Real Estate Properties [Table]
Ownership
Ownership [Axis]
Ownership
Ownership [Domain]
MAALP.
M A A L P
M A A L P [Member]
Investment Type
Investment Type [Axis]
Investments
Investment Type Categorization [Member]
Development Properties [Member]
Development Properties
Development Properties [Member]
Retail
Retail [Member]
Commercial Real Estate [Member]
Commercial Real Estate [Member]
Scenario
Statement Scenario [Axis]
Scenario
Scenario Unspecified [Domain]
Expected Costs [Member]
Expected Costs
Expected Costs [Member]
Costs Incurred to Date [Member]
Costs Incurred To Date
Costs Incurred To Date [Member]
Scenario Forecast [Member]
Scenario Forecast [Member]
Statistical Measurement
Range [Axis]
Statistical Measurement
Range [Member]
Minimum [Member]
Minimum [Member]
Maximum [Member]
Maximum [Member]
Restatement
Restatement [Axis]
Restatement
Restatement [Domain]
Previously Reported [Member]
Scenario Previously Reported [Member]
Income Statement Location
Income Statement Location [Axis]
Income Statement Location
Income Statement Location [Domain]
General and Administrative Expenses [Member]
General And Administrative Expense [Member]
Product and Service
Product Or Service [Axis]
Product and Service
Products And Services [Domain]
Real Estate
Real Estate [Member]
Consolidated Entities
Consolidated Entities [Axis]
Consolidated Entities
Consolidated Entities [Domain]
Variable Interest Entity Primary Beneficiary [Member]
Variable Interest Entity Primary Beneficiary [Member]
Real Estate Property Ownership
Real Estate Properties [Axis]
Real Estate Properties
Real Estate Properties [Domain]
Post Massachusetts Avenue [Member]
Post Massachusetts Avenue [Member]
Post Massachusetts Avenue [Member]
Balance Sheet Location
Balance Sheet Location [Axis]
Balance Sheet Location
Balance Sheet Location [Domain]
Other Assets [Member]
Other Assets [Member]
Adjustments for New Accounting Pronouncements
Adjustments For New Accounting Pronouncements [Axis]
Type of Adoption
Type Of Adoption [Member]
Accounting Standards Update 2016-02 [Member]
Accounting Standards Update201602 [Member]
Real Estate Properties [Line Items]
Real Estate Properties [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest
Limited Liability Company L L C Or Limited Partnership L P Managing Member Or General Partner Ownership Interest
Property Held for Development
Number of Real Estate Properties
Number Of Real Estate Properties
Number of units under development community
Number Of Units Under Development Community
Square Footage of Real Estate Property
Area Of Real Estate Property
Number of States in which Entity Operates
Number Of States In Which Entity Operates
Percentage Of Ownership Interests
Percentage of ownership interests of all consolidated subsidiaries (percent)
Percentage Of Ownership Interests
Other non-operating expense (income)
Consolidated assets
Consolidated liabilities
Real Estate Investments, Joint Ventures
Real Estate Investments Joint Ventures
Percentage of our total property revenues and total non-property income from leasing of apartment homes, excluding income on deferred compensation plans.
Percentage Of Reimbursable Revenue From Leasing Of Apartment Homes
Percentage of Rental Revenue and Other Income From Non-leasing Activities
Operating lease, term of contract
Lessor Operating Lease Term Of Contract
Percentage Of Rental Revenue From Leasing Of Apartment Homes
Percentage Of Rental Revenue And Other Income From Leasing Of Apartment Homes
Percentage Of Reimbursable Revenue From Leasing Of Apartment Homes
Percentage Of Reimbursable Revenue From Leasing Of Apartment Homes
Percentage of Rental Revenue and Other Income From Non-leasing Activities
Percentageof Rental Revenueand Other Income From Nonleasing Activities
Operating Lease, Right-of-Use Asset
Operating Lease Right Of Use Asset
Operating Lease, Liability
Operating Lease Liability
Operating Lease, Weighted Average Remaining Lease Term
Operating Lease Weighted Average Remaining Lease Term1
Operating Lease, Weighted Average Discount Rate, Percent
Operating Lease Weighted Average Discount Rate Percent
Adjusted income (loss) from continuing operations available for common shareholders, basic.
Adjusted income (loss) from continuing operations available for common shareholders, diluted.
Earnings Per Share Disclosure [Line Items]
Earnings Per Share Disclosure [Table]
Earnings Per Share Disclosure [Table]
Earnings Per Share Disclosure [Table]
Antidilutive Securities
Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities [Axis]
Antidilutive Securities, Name
Antidilutive Securities Name [Domain]
Limited Partnership Units [Member]
Limited Partnership Units [Member]
Limited Partnership Units [Member]
Earnings Per Share Disclosure [Line Items]
Earnings Per Share Disclosure [Line Items]
Income from Continuing Operations, Including Portion Attributable to Noncontrolling Interest
Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest
Income from continuing operations attributable to noncontrolling interests
Income Loss From Continuing Operations Attributable To Noncontrolling Entity
Income from continuing operations allocated to unvested restricted shares
Income Loss From Continuing Operations Allocated To Unvested Restricted Shares
Dividends, Preferred Stock, Cash
Dividends Preferred Stock Cash
Income from continuing operations available for common shareholders, adjusted
Adjusted Income Loss From Continuing Operations Available For Common Shareholders Basic
Weighted average common shares - basic
Weighted Average Number Of Shares Outstanding Basic
Earnings per share - basic
Income from Continuing Operations, Including Portion Attributable to Noncontrolling Interest
Incomefrom Continuing Operations Including Portion Attributableto Noncontrolling Interest
Income from continuing operations attributable to noncontrolling interests
Incomefrom Continuing Operations Attributableto Noncontrolling Interest
Net income available for MAA common shareholders, adjusted
Adjusted Income Loss From Continuing Operations Available For Common Shareholders Diluted
Effect of dilutive securities
Weighted Average Number Diluted Shares Outstanding Adjustment
Weighted average common shares - diluted
Weighted Average Number Of Diluted Shares Outstanding
Earnings per share - diluted
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
Earnings Per OP Unit of MAALP [Abstract]
Earnings Per O P Unitof M A A L P [Abstract]
Net Loss or Income Per Unit Disclosure [Table]
Net Loss Or Income Per Unit Disclosure [Table]
Net Loss Or Income Per Unit Disclosure [Table]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Income from continuing operations allocated to unvested restricted shares
Income From Continuing Operations Allocated To Unvested Restricted Shares
Weighted average common units - basic
Weighted Average Number Of Limited Partnership And General Partnership Unit Outstanding Basic And Diluted
Earnings per common unit - diluted
Net Income Including Portion Attributable to Noncontrolling Interest
Net Income Attributable to Parent
Net Income Attributable to Noncontrolling Interest
Fair value option and measurement.
Amortization of unearned compensation
Stockholders' Equity Including Noncontrolling Interest
Equity [Line Items]
Equity Disclosure [Table]
Equity Disclosure [Table]
Equity Disclosure [Table]
Equity Components
Statement Equity Components [Axis]
Equity Component
Equity Component [Domain]
Preferred Stock [Member]
Preferred Stock [Member]
Additional Paid-in Capital [Member]
Additional Paid In Capital [Member]
Accumulated Distributions in Excess of Net Income [Member]
Accumulated Distributions In Excess Of Net Income [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income [Member]
Noncontrolling Interest Operating Partnership.
Noncontrolling Interest Operating Partnership
Noncontrolling Interest Operating Partnership [Member]
Noncontrolling Interest
Noncontrolling Interest [Member]
Mid-America Apartment Communities, Inc. Shareholders' Equity.
Mid America Apartment Communities Inc Shareholders Equity
Mid America Apartment Communities Inc Shareholders Equity [Member]
Equity [Line Items]
Equity [Line Items]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase Decrease In Stockholders Equity Roll Forward
Beginning Balance
Stockholders Equity Including Noncontrolling Interest
Net Income Including Portion Attributable to Noncontrolling Interest
Net Income Including Portion Attributableto Noncontrolling Interest
Net income attributable to MAA
Net Income Attributableto Parent
Net Income Attributable to Noncontrolling Interest
Net Income Attributableto Noncontrolling Interest
Other comprehensive income (loss) - derivatives instruments (cash flow hedges)
Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax
Issuance and registration of common shares
Stock Issued During Period Value New Issues
Shares repurchased and retired
Stock Repurchased And Retired During Period Value
Exercise of stock options
Stock Issued During Period Value Stock Options Exercised
Shares issued in exchange for units
Stock Issued During Period Value Conversion Of Units
Redeemable stock fair market value adjustment
Effect On Retained Earnings Accumulated Deficit Due To Fair Value Option And Measurement
Adjustment for noncontrolling interests in Operating Partnership
Minority Interest Period Increase Decrease
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification
New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification
Amortization of unearned compensation
Amortization Unearned Compensation
Dividends on common stock
Dividends Common Stock
Dividends on noncontrolling interest units
Minority Interest Decrease From Distributions To Noncontrolling Interest Holders
Contribution from noncontrolling interest
Partners Capital Account Contributions
Ending Balance
Common Stock, Dividends, Per Share, Declared
Common Stock Dividends Per Share Declared
Net Income Available for Common Unitholders
Units Issued during period value new issues net.
Units Repurchased and Retired During Period, Value.
Units Issued During Period, Value, Unit Options Exercised
General Partnership Units Issued in Exchange for Limited Partnership Units
Adjustment for limited partners' capital at redemption value.
Distributions
Partnership units issued in exchange for redeemable units
[Line Items] for Capital Disclosure [Table]
Capital Disclosure [Table]
Capital Disclosure [Table]
Capital Disclosure [Table]
AOCI Attributable to Noncontrolling Interest [Member]
Aoci Attributable To Noncontrolling Interest [Member]
Noncontrolling Interests-Consolidated Real Estate Entities [Member]
Partner Capital Components
Partner Capital Components [Axis]
Partner Capital Components
Partner Capital Components [Domain]
General Partners' Capital Account [Member]
General Partners' Capital Account [Member]
General Partners Capital Account [Member]
Capital Disclosure [Line Items]
Capital Disclosure [Line Items]
Increase (Decrease) in Partners' Capital [Roll Forward]
Increase Decrease In Partners Capital Roll Forward
Beginning Balance
Partners Capital
Net income
Net Income Loss Allocated To Limited Partners
Net Income Allocated to General Partners
Net Income Loss Allocated To General Partners
Net Income Available for Common Unitholders
Net Income Available For Common Unitholders
Issuance of units
Units Issued During Period Value New Issues Net
Units repurchased and retired
Units Repurchased And Retired During Period Value
Exercise of unit options
Units Issued During Period Value Unit Options Exercised
General partnership units issued in exchange for limited partnership units
General Partnership Units Issued In Exchange For Limited Partnership Units
Units issued in exchange for redeemable units
Partnership Units Issued In Exchange For Redeemable Units
Adjustment for limited partners’ capital at redemption value
Adjustment For Limited Partners Capital At Redemption Value
Distributions
Distributions
Contribution from noncontrolling interest
Ending Balance
Distribution Made to Limited Partner, Distributions Declared, Per Unit
Distribution Made To Limited Partner Distributions Declared Per Unit
Disclosure - Debt Structure [Abstract]
Disclosure Debt Structure [Abstract]
Debt Instrument [Table]
Debt Instrument [Table]
Long-term Debt, Type
Longterm Debt Type [Axis]
Long-term Debt, Type
Longterm Debt Type [Domain]
Unsecured Debt [Member]
Unsecured Debt [Member]
Secured Debt [Member]
Secured Debt [Member]
Debt Instrument
Debt Instrument [Axis]
Debt Instrument, Name
Debt Instrument Name [Domain]
Commercial Paper Notes [Member]
Commercial Paper [Member]
Variable Rate Debt [Member]
Variable Rate Debt [Member]
Variable Rate Debt [Member]
$1 billion unsecured revolving credit faciltiy [Member]
$1 billion unsecured revolving credit facility [Member]
A1 Billion Unsecured Revolving Credit Faciltiy [Member]
Debt Information [Axis]
Debt Information
Debt Information [Axis]
Debt Information [Domain]
Debt Information
Debt Information [Domain]
Variable Rate Credit Facility [Member]
Variable Rate Credit Facility [Member]
Variable Rate Credit Facility [Member]
Variable Rate Commercial Paper Program [Member]
Variable Rate Commercial Paper Program [Member]
Variable Rate Commercial Paper Program [Member]
Fixed Rate Debt Senior Notes [Member]
Fixed Rate Debt Senior Notes [Member]
Fixed Rate Debt Senior Notes [Member]
Fair Market Value Adjustment and Debt Issuance Cost [Member]
Fair Market Value Adjustment and Debt Issuance Cost [Member]
Fair Market Value Adjustmentand Debt Issuance Cost [Member]
Fixed Rate Debt Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding
Line Of Credit
Unsecured Debt
Commercial Paper
Debt Instrument, Face Amount
Debt Instrument Face Amount
Unsecured Debt
Total Outstanding Debt
Notes Payable
Debt Instrument, Face Amount
Mortgage Loans On Real Estate
Debt Instrument, Interest Rate, Effective Percentage
Debt Instrument Interest Rate Effective Percentage
Contract Maturity
Debt Instrument Maturity Date
Disclosure - Notes Payable - Additional Information [Abstract]
Disclosure Notes Payable Additional Information [Abstract]
$1 billion unsecured revolving credit facility [Member]
$1 Billion Unsecured Revolving Credit Faciltiy [Member]
A1 Billion Unsecured Revolving Credit Facility [Member]
Credit Facility
Credit Facility [Axis]
Credit Facility
Credit Facility [Domain]
Average [Axis]
Average
Average [Axis]
[Domain] for Average [Axis]
Average
Average [Domain]
years to maturity [Member]
Years to Maturity [Member]
Yearstomaturity [Member]
Public Income Notes [Member]
Income Notes [Member]
Private Placement [Member]
Private Placement [Member]
Wells Fargo Term Loan [Member]
Wells Fargo Term Loan [Member]
Wells Fargo Term Loan [Member]
Line of Credit Facility, Current Borrowing Capacity
Line Of Credit Facility Current Borrowing Capacity
Line of Credit Facility, Maximum Borrowing Capacity
Line Of Credit Facility Maximum Borrowing Capacity
Debt Instrument, Basis Spread on Variable Rate
Debt Instrument Basis Spread On Variable Rate1
Debt Instrument, Maturity Date
Letters of Credit Outstanding, Amount
Letters Of Credit Outstanding Amount
Debt Instrument, Payment Terms
Debt Instrument Payment Terms
Debt Instrument, Unused Borrowing Capacity, Amount
Debt Instrument Unused Borrowing Capacity Amount
Debt Instrument, Term
Debt Instrument Term
Debt instrument maturity period.
Number of term loans.
Number of Term Loans
Number Of Term Loans
Debt Instrument Maturity Period
Debt Instrument Maturity Period
Notes Payable Excluding Interest Rate Swaps and Cap Agreements
Debt Renewal Period
Derivative [Table]
Derivative [Table]
Fixed Rate Debt [Member]
Fixed Rate Debt [Member]
Fixed Rate Debt [Member]
Floating Rate Debt [Member]
Floating Rate Debt [Member]
Floating Rate Debt [Member]
Conventional Variable Rate Debt [Member]
Conventional Variable Rate Debt [Member]
Conventional Variable Rate Debt [Member]
Measurement Frequency
Fair Value By Measurement Frequency [Axis]
Measurement Frequency
Fair Value Measurement Frequency [Domain]
Fair Value, Measurements, Recurring [Member]
Fair Value Measurements Recurring [Member]
Hedging Designation
Hedging Designation [Axis]
Hedging Designation
Hedging Designation [Domain]
Designated as Hedging Instrument
Designated As Hedging Instrument [Member]
Derivative Instrument
Derivative Instrument Risk [Axis]
Derivative Contract
Derivative Contract Type [Domain]
Interest Rate Swap [Member]
Interest Rate Swap [Member]
Interest Expense
Interest Expense [Member]
Derivative [Line Items]
Derivative [Line Items]
Notes Payable Excluding Interest Rate Swaps and Cap Agreements
Notes Payable Excluding Interest Rate Swaps And Cap Agreements
Notes Payable, Fair Value Disclosure
Notes Payable Fair Value Disclosure
Debt Renewal Period
Debt Renewal Period
Preferred Stock, Redemption Price Per Share
Preferred Stock Redemption Price Per Share
Preferred Stock, Redemption Date
Preferred Stock Redemption Date
Embedded Derivative, Fair Value of Embedded Derivative Asset
Embedded Derivative Fair Value Of Embedded Derivative Asset
Derivative, Number of Instruments Held
Derivative Number Of Instruments Held
Interest Rate Derivative Assets, at Fair Value
Interest Rate Derivative Assets At Fair Value
Change in fair value of interest rate derivatives included in AOCI and expected to be reclassified in the next 12 months
Derivative Instruments Gain Loss Reclassification From Accumulated O C I To Income Estimated Net Amount To Be Transferred
Disclosure - Financial Instruments and Derivatives - Effect of Derivative Instruments on Consolidated Statement of Operations (Details) [Abstract]
Disclosure Financial Instruments And Derivatives Effect Of Derivative Instruments On Consolidated Statement Of Operations Details [Abstract]
Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table]
Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table]
Interest Rate Contract
Interest Rate Contract [Member]
Not Designated as Hedging Instrument
Nondesignated [Member]
Unrealized (loss) from the effective portion of derivative instruments
Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
Derivative Instruments Gain Loss Reclassified From Accumulated O C I Into Income Effective Portion Net
Derivative Instruments, Loss Recognized in Income, Net
Common Shares Issuable upon Conversion of Convertible Stock
Common Shares and Operating Partnership Units, Outstanding
Award Type
Award Type [Axis]
Award Type
Share Based Compensation Arrangements By Share Based Payment Award Award Type And Plan Name [Domain]
Employee Stock Option
Employee Stock Option [Member]
Equity Option
Stock Option [Member]
Sale of Stock
Subsidiary Sale Of Stock [Axis]
Sale of Stock
Sale Of Stock Name Of Transaction [Domain]
At the market offering.
At The Market Offering
At The Market Offering [Member]
Common Shares Issuable Upon Conversion Of Convertible Stock
Common Shares Issuable Upon Conversion Of Convertible Stock
Total common shares and operating partnership units outstanding
Common Shares And Operating Partnership Units Outstanding
Common stock shares, outstanding option
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
Stock Issued During Period, Shares, New Issues
Stock Issued During Period Shares New Issues
Proceeds from Stock Options Exercised, Net
Proceeds From Stock Options Exercised
Business Acquisition
Business Acquisition [Axis]
Business Acquisition, Acquiree
Business Acquisition Acquiree [Domain]
Redeemable Preferred Stock [Member]
Redeemable Preferred Stock [Member]
Preferred Stock, Dividend Rate, Per-Dollar-Amount
Preferred Stock Dividend Rate Per Dollar Amount
Preferred Stock, Liquidation Preference, Value
Preferred Stock Liquidation Preference Value
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized
Number of shares remaining for issuance.
Common stock shares sold
Sale Of Stock Number Of Shares Issued In Transaction
Remaining common stock to be issued
Number Of Shares Remaining For Issuance
Operating Partnership Units, Outstanding
[Line Items] for Schedule of Capital Structure [Table]
Schedule of Capital Structure [Table]
Schedule Of Capital Structure [Table]
Schedule Of Capital Structure [Table]
Schedule Of Capital Structure [Line Items]
Schedule Of Capital Structure [Line Items]
Operating partnership units outstanding
Operating Partnership Units Outstanding
Redeemable Capital Shares, Par or Stated Value Per Share
Redeemable Capital Shares Par Or Stated Value Per Share
Redeemable Capital Shares Par Or Stated Value Per Share
Lease expiration year.
Loss Contingencies [Table]
Loss Contingencies [Table]
Real Estate, Type of Property
Mortgage Loans On Real Estate Description Type Of Property [Axis]
Real Estate
Mortgage Loans On Real Estate Name Property Type [Domain]
Apartment Communities [Member]
Apartment Building [Member]
Office Lease [Member]
Office Building [Member]
Litigation Case
Litigation Case [Axis]
Litigation Case
Litigation Case Type [Domain]
Cleven Litigation Case [Member]
Cleven Litigation Case [Member]
Cleven Litigation Case [Member]
Brown Litigation Case [Member]
Brown Litigation Case [Member]
Brown Litigation Case [Member]
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Lease expiration year
Lease Expiration Year
Operating Leases, Future Minimum Payments Due, Next Twelve Months
Lessee Operating Lease Liability Payments Due Next Rolling Twelve Months
Operating Leases, Future Minimum Payments, Due in Two Years
Lessee Operating Lease Liability Payments Due Year Two
Operating Leases, Future Minimum Payments, Due in Three Years
Lessee Operating Lease Liability Payments Due Year Three
Operating Leases, Future Minimum Payments, Due in Four Years
Lessee Operating Lease Liability Payments Due Year Four
Operating Leases, Future Minimum Payments, Due in Five Years
Lessee Operating Lease Liability Payments Due Year Five
Operating Leases, Future Minimum Payments, Due Thereafter
Lessee Operating Lease Liability Payments Due After Year Five
Operating Leases, Future Minimum Payments Due
Lessee Operating Lease Liability Payments Due
Net present value adjustments
Lessee Operating Lease Liability Undiscounted Excess Amount
Loss Contingency, Estimate of Possible Loss
Loss Contingency Estimate Of Possible Loss
Loss Contingency Accrual
Loss Contingency Accrual At Carrying Value
Segment Reporting Disclosure Of Entitys Reportable Segments [Abstract]
Schedule Of Segment Reporting Information By Segment [Table]
Schedule Of Segment Reporting Information By Segment [Table]
Segments
Statement Business Segments [Axis]
Segments
Segment [Domain]
Same Store [Member]
Same Store [Member]
Same Store [Member]
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Number of owned or owned interests of apartment communities
Number of reportable segments
Number Of Reportable Segments
Period properties owned and stabilized
Period properties owned and stabilized
Period Properties Owned And Stabilized
Occupancy level for stabilized communities.
Period Properties Stabilized
Occupancy Level for Stabilized Communities
Occupancy Level For Stabilized Communities
Period Properties Stabilized
Period Properties Stabilized
Disclosure - Revenues and NOI for Reportable Segment [Abstract]
Disclosure Revenues And Noi For Reportable Segment [Abstract]
Reconciliation Of Operating Profit Loss From Segments To Consolidated [Table]
Reconciliation Of Operating Profit Loss From Segments To Consolidated [Table]
Non Same Store and Other [Member]
Non-Same Store and Other
Non Same Store And Other [Member]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Segment Reporting Reconciling Item For Operating Profit Loss From Segment To Consolidated [Line Items]
Segment Information
Revenue from Contract with Customer, Including Assessed Tax
Revenue From Contract With Customer Including Assessed Tax
Other Operating Income
Other Operating Income
Total operating revenues
Net Operating Income
Operating Income Before Depreciation
Depreciation and amortization
Other Cost and Expense, Operating
General and administrative expenses
Interest expense
Loss on sale of depreciable real estate assets
(Loss) gain on sale of non-depreciable real estate assets
Gain (loss) from real estate joint ventures
Net income attributable to noncontrolling interests
Preferred Stock Dividends, Income Statement Impact
Disclosure - Assets for Reportable Segment [Abstract]
Disclosure Assets For Reportable Segment [Abstract]
Reconciliation Of Assets From Segment To Consolidated [Table]
Reconciliation Of Assets From Segment To Consolidated [Table]
Corporate assets
Corporate [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Segment Reporting Asset Reconciling Item [Line Items]
Total assets
Real estate acquisition date.
Acquisitions and Disposals [Line Items]
Acquisitions and disposals.
Acquisitions And Disposals [Table]
Acquisitions And Disposals [Table]
Georgetown member.
Georgetown [Member]
Georgetown [Member]
Geographical
Statement Geographical [Axis]
Geographical
Segment Geographical [Domain]
Austin, TX [Member]
TEXAS
Property, Plant and Equipment, Type
Property Plant And Equipment By Type [Axis]
Property, Plant and Equipment, Type
Property Plant And Equipment Type [Domain]
Land [Member]
Land [Member]
Business Acquisitions and Dispositions [Line Items]
Acquisitionsand Disposals [Line Items]
Area of Land
Area Of Land
Acquisition Date
Real Estate Acquisition Date
Number of dispose of any apartment communities, land parcels or commercial properties
Number Of Units In Real Estate Property