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Business Combinations | 3 Months Ended
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Mar. 31, 2017
Business Combinations - Additional Information [Abstract] |
Business Combination Disclosure [Text Block] | Business Combinations On December 1, 2016, we completed the Merger. As part of the Merger, we acquired 61 wholly-owned apartment communities comprising 24,138 units, including 269 apartment units in one community held in an unconsolidated entity, and 2,266 apartment units in six communities currently under development. Post Properties had operations in ten markets across the United States. In addition to the apartment communities, we also acquired four commercial properties, which include two commercial office properties and two retail properties, totaling approximately 269,000 square feet. The consolidated net assets and results of operations of Post Properties are included in our consolidated financial statements from the closing date, December 1, 2016, going forward. The total purchase price of approximately $4.0 billion was determined based on the number of shares of Post Properties' common stock, the number of shares of Post Properties’ Series A preferred stock, and shares of Post LP's Class A Units of limited partnership interest outstanding as of December 1, 2016, in addition to cash consideration provided by the Operating Partnership immediately prior to the Merger to pay off a $300.0 million Post LP unsecured term loan and a $162.0 million Post LP line of credit, both outstanding from Wells Fargo. In all cases in which MAA’s common stock price was a determining factor in arriving at final consideration for the Merger, the stock price used to determine the purchase price was the opening price of MAA’s common stock on December 1, 2016 ($91.41 per share). The MAA Series I preferred stock consideration was valued at $74.69 per share, which excludes a $14.24 per share bifurcated call option (See Notes 8 & 9). The total purchase price also included $2.0 million of other consideration, a majority of which related to assumed stock compensation plans. As a result of the Merger, we issued approximately 38.0 million shares of MAA common stock, approximately 80,000 OP Units, and approximately 868,000 newly issued shares of MAA’s 8.50% Series I preferred stock. The Merger has been accounted for using the acquisition method of accounting in accordance with Accounting Standards Codification, or ASC, 805, Business Combinations, which requires, among other things, that the assets acquired and liabilities assumed be recognized at their acquisition date fair values. For larger, portfolio style acquisitions, like the Merger, management engages a third party valuation specialist to assist with the fair value assessment, which includes an allocation of the purchase price. Similar to management's methods, the third party uses cash flow analysis as well as an income approach and a market approach to determine the fair value of assets acquired. The third party uses stabilized net operating income, or NOI, and market specific capitalization and discount rates. Management reviews the inputs used by the third party specialist as well as the allocation of the purchase price provided by the third party to ensure reasonableness and that the procedures are performed in accordance with management's policy. The allocation of the purchase price is based on management’s assessment, which may differ as more information becomes available. Subsequent adjustments made to the purchase price allocation, if any, are made within the allocation period, which typically does not exceed one year. The allocation of the purchase price described above requires a significant amount of judgment and represents management's best estimate of the fair value as of the acquisition date. The following preliminary purchase price allocation for the Merger, which reflects updates primarily to increased real estate asset values and derivative asset values on the preferred share bifurcated call option from our December 31, 2016 estimates, was based on our valuation as well as estimates and assumptions of the acquisition date fair value of the tangible and intangible assets acquired and liabilities assumed. The purchase price was allocated as follows (in thousands):
Land | $ | 876,473 |
Buildings and improvements | 3,402,061 |
Furniture, fixtures and equipment | 81,243 |
Development and capital improvements in progress | 183,881 |
Undeveloped land | 24,200 |
Commercial properties, net | 3,610 |
Investment in real estate joint venture | 44,435 |
Lease intangible assets | 53,192 |
Cash and cash equivalents | 34,292 |
Restricted cash | 3,608 |
Deferred costs and other assets, excluding lease intangible assets | 42,052 |
Total assets acquired | 4,749,047 |
Notes payable | (595,609) |
Fair market value of interest rate swaps | (2,118) |
Lease intangible liabilities | (1,661) |
Accounts payable, accrued expenses, and other liabilities | (138,760) |
Total liabilities assumed, including debt | (738,148 | )
Noncontrolling interests - consolidated real estate entity | (2,306 | )
Total purchase price | $ | 4,008,593 |
The purchase price accounting reflected in the accompanying financial statements is based upon estimates and assumptions that are subject to change within the measurement period, pursuant to ASC 805. See Note 12, for loss contingencies identified, measured, and included in "Accounts payable, accrued expenses, and other liabilities" in the allocation above. We have preliminarily completed our valuation procedures. Adjustments may still occur as the valuation and revised preliminary purchase allocation is finalized in areas such as real estate related assets and liabilities, equity investments, litigation reserves, debt and debt related instruments, and certain other acquired assets and liabilities assumed. We incurred Merger and integration related expenses of $6.2 million for the three months ended March 31, 2017. These amounts were expensed as incurred and are included in the Condensed Consolidated Statements of Operations in the items titled "Merger related expenses", primarily consisting of severance and professional costs, and "Integration related expenses", primarily consisting of temporary systems, staffing, and facilities costs.

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- Definition The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1497-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1490-128463 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1486-128463 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1524-128463 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7000-128479 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4922-128472 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4934-128472 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4926-128472 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 4A -URI http://asc.fasb.org/extlink&oid=73530397&loc=SL65897772-128472 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1383-128463 Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6996-128479 + Details
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