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Selected Quarterly Financial Information (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Limited Partner [Member] |  |
Schedule of Quarterly Financial Information [Table Text Block] | (Dollars in thousands except per unit data)
| Year Ended December 31, 2016 |
| First |  | Second |  | Third |  | Fourth |
Total operating revenues | $ | 269,016 |  |  | $ | 272,236 |  |  | $ | 276,898 |  |  | $ | 307,198 |  |
Income from continuing operations before non-operating items | $ | 76,709 |  |  | $ | 77,794 |  |  | $ | 73,790 |  |  | $ | 43,857 |  |
Interest expense | $ | (32,211 | ) |  | $ | (32,039 | ) |  | $ | (32,168 | ) |  | $ | (33,529 | ) |
Gain (loss) from real estate joint ventures | $ | 128 |  |  | $ | (101 | ) |  | $ | — |  |  | $ | 214 |  |
Net Income | $ | 45,808 |  |  | $ | 47,630 |  |  | $ | 88,906 |  |  | $ | 42,058 |  |
Dividends to preferred unitholders | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 307 |  |
Net income available for common unitholders | $ | 45,808 |  |  | $ | 47,630 |  |  | $ | 88,906 |  |  | $ | 41,751 |  |
Per unit: |  |  |  |  |  |  |  |
Net income available per common unit - basic | $ | 0.61 |  |  | $ | 0.60 |  |  | $ | 1.12 |  |  | $ | 0.45 |  |
Net income available per common unit - diluted | $ | 0.61 |  |  | $ | 0.60 |  |  | $ | 1.12 |  |  | $ | 0.45 |  |
Distribution paid | $ | 0.82 |  |  | $ | 0.82 |  |  | $ | 0.82 |  |  | $ | 0.82 |  |
| Year Ended December 31, 2015 |
| First |  | Second |  | Third |  | Fourth |
Total operating revenues | $ | 258,552 |  |  | $ | 258,891 |  |  | $ | 261,998 |  |  | $ | 263,337 |  |
Income from continuing operations before non-operating items | $ | 69,393 |  |  | $ | 68,837 |  |  | $ | 73,138 |  |  | $ | 76,763 |  |
Interest expense | $ | (30,848 | ) |  | $ | (30,433 | ) |  | $ | (30,229 | ) |  | $ | (30,834 | ) |
Gain (loss) from real estate joint ventures | $ | 19 |  |  | $ | (23 | ) |  | $ | (1 | ) |  | $ | 3 |  |
Net income | $ | 64,677 |  |  | $ | 143,873 |  |  | $ | 96,828 |  |  | $ | 45,367 |  |
Dividends to preferred unitholders | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |
Net income available for common unitholders | $ | 64,677 |  |  | $ | 143,873 |  |  | $ | 96,828 |  |  | $ | 45,367 |  |
Per unit: |  |  |  |  |  |  |  |
Net income available per common unit - basic | $ | 0.81 |  |  | $ | 1.81 |  |  | $ | 1.22 |  |  | $ | 0.57 |  |
Net income available per common unit - diluted | $ | 0.81 |  |  | $ | 1.81 |  |  | $ | 1.22 |  |  | $ | 0.57 |  |
Distribution paid | $ | 0.77 |  |  | $ | 0.77 |  |  | $ | 0.77 |  |  | $ | 0.77 |  |
Parent Company [Member] |  |
Schedule of Quarterly Financial Information [Table Text Block] | (Dollars in thousands except per share data)
| Year Ended December 31, 2016 |
| First |  | Second |  | Third |  | Fourth |
Total operating revenues | $ | 269,016 |  |  | $ | 272,236 |  |  | $ | 276,898 |  |  | $ | 307,198 |  |
Income from continuing operations before non-operating items | $ | 76,709 |  |  | $ | 77,794 |  |  | $ | 73,790 |  |  | $ | 43,857 |  |
Interest expense | $ | (32,211 | ) |  | $ | (32,039 | ) |  | $ | (32,168 | ) |  | $ | (33,529 | ) |
Gain (loss) from real estate joint ventures | $ | 128 |  |  | $ | (101 | ) |  | $ | — |  |  | $ | 214 |  |
Net income | $ | 45,808 |  |  | $ | 47,630 |  |  | $ | 88,906 |  |  | $ | 42,058 |  |
Net income attributable to noncontrolling interest | $ | 2,395 |  |  | $ | 2,486 |  |  | $ | 4,627 |  |  | $ | 2,672 |  |
Dividends to preferred shareholders | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 307 |  |
Net income available for MAA common shareholders | $ | 43,413 |  |  | $ | 45,144 |  |  | $ | 84,279 |  |  | $ | 39,079 |  |
Per share: |  |  |  |  |  |  |  |  |  |  |  |
Net income available per common share - basic | $ | 0.58 |  |  | $ | 0.60 |  |  | $ | 1.12 |  |  | $ | 0.44 |  |
Net income available per common share - diluted | $ | 0.58 |  |  | $ | 0.60 |  |  | $ | 1.12 |  |  | $ | 0.44 |  |
Dividend paid | $ | 0.82 |  |  | $ | 0.82 |  |  | $ | 0.82 |  |  | $ | 0.82 |  |
| Year Ended December 31, 2015 |
| First |  | Second |  | Third |  | Fourth |
Total operating revenues | $ | 258,552 |  |  | $ | 258,891 |  |  | $ | 261,998 |  |  | $ | 263,337 |  |
Income from continuing operations before non-operating items | $ | 69,393 |  |  | $ | 68,837 |  |  | $ | 73,138 |  |  | $ | 76,763 |  |
Interest expense | $ | (30,848 | ) |  | $ | (30,433 | ) |  | $ | (30,229 | ) |  | $ | (30,834 | ) |
Gain (loss) from real estate joint ventures | $ | 19 |  |  | $ | (23 | ) |  | $ | (1 | ) |  | $ | 3 |  |
Net income | $ | 64,677 |  |  | $ | 143,873 |  |  | $ | 96,828 |  |  | $ | 45,367 |  |
Net income attributable to noncontrolling interest | $ | 3,410 |  |  | $ | 7,574 |  |  | $ | 5,094 |  |  | $ | 2,380 |  |
Dividends to preferred shareholders | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |
Net income available for MAA common shareholders | $ | 61,267 |  |  | $ | 136,299 |  |  | $ | 91,734 |  |  | $ | 42,987 |  |
Per share: |  |  |  |  |  |  |  |  |  |  |  |
Net income available per common share - basic | $ | 0.81 |  |  | $ | 1.81 |  |  | $ | 1.22 |  |  | $ | 0.57 |  |
Net income available per common share - diluted | $ | 0.81 |  |  | $ | 1.81 |  |  | $ | 1.22 |  |  | $ | 0.57 |  |
Dividend paid | $ | 0.77 |  |  | $ | 0.77 |  |  | $ | 0.77 |  |  | $ | 0.77 |  |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=68076893&loc=d3e1280-108306 + Details
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