XML 47 R30.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Fair Value Disclosure of Financial Instruments (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2016
Notes To Financial Statements [Abstract] |
Assets and Liabilities Measured at Fair Value on a Recurring Basis | The table below presents a summary of the fair value measurements for each major category of assets and liabilities measured at fair value on a recurring basis and the location within the accompanying Condensed Consolidated Balance Sheets at March 31, 2016 and December 31, 2015, aggregated by the level in the fair value hierarchy within which those measurements fall. Assets and Liabilities Measured at Fair Value on a Recurring Basis at March 31, 2016 (dollars in thousands)
Derivatives in cash flow hedging relationships | Balance Sheet Location | Quoted Prices in Active Markets for Identical Assets and Liabilities |  | Significant Other Observable Inputs |  | Significant Unobservable Inputs |  |
(Level 1) |  | (Level 2) |  | (Level 3) |  | Total
Assets |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts | Other assets | $ | — |  |  | $ | 2 |  |  | $ | — |  |  | $ | 2 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts | Fair market value of interest rate swaps | $ | — |  |  | $ | 12,257 |  |  | $ | — |  |  | $ | 12,257 |
Assets and Liabilities Measured at Fair Value on a Recurring Basis at December 31, 2015 (dollars in thousands)
Derivatives in cash flow hedging relationships | Balance Sheet Location | Quoted Prices in Active Markets for Identical Assets and Liabilities |  | Significant Other Observable Inputs |  | Significant Unobservable Inputs |  |
(Level 1) |  | (Level 2) |  | (Level 3) |  | Total
Assets |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts | Other assets | $ | — |  |  | $ | 6 |  |  | $ | — |  |  | $ | 6 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |
Interest rate contracts | Fair market value of interest rate swaps | $ | — |  |  | $ | 10,358 |  |  | $ | — |  |  | $ | 10,358 |

X
- Definition Notes to Financial Statements [Abstract] + References No definition available. + Details
Name: | maa_NotesToFinancialStatementsAbstract
Namespace Prefix: | maa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
Name: | us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration