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Organization and Summary of Significant Accounting Policies | 12 Months Ended
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Dec. 31, 2015
Consolidation and Basis of Presentation and Significant Accounting Policies [Abstract] |
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES | ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Unless the context otherwise requires, all references to "we," "us," "our," or the "Company" refer collectively to Mid-America Apartment Communities, Inc., together with its consolidated subsidiaries, including Mid-America Apartments, L.P. Unless the context otherwise requires, all references to “MAA” refers only to Mid-America Apartment Communities, Inc., and not any of its consolidated subsidiaries. Unless the context otherwise requires, the references to the “Operating Partnership” or “MAALP” refer to Mid-America Apartments, L.P. together with its consolidated subsidiaries. “Common stock” refers to the common stock of MAA and “shareholders” means the holders of shares of MAA’s common stock. The limited partnership interests of the Operating Partnership are referred to as “OP Units” or "common units" and the holders of the OP Units are referred to as “unitholders”. As of December 31, 2015, MAA owned 75,408,571 units (or approximately 94.8%) of the limited partnership interests of the Operating Partnership. MAA conducts substantially all of its business and holds substantially all of its assets through the Operating Partnership, and by virtue of its ownership of the OP Units and being the Operating Partnership's sole general partner, MAA has the ability to control all of the day-to-day operations of the Operating Partnership. We believe combining the notes to the consolidated financial statements of MAA and MAALP results in the following benefits:
• | enhances a readers' understanding of MAA and the Operating Partnership by enabling the reader to view the business as a whole in the same manner that management views and operates the business;
• | eliminates duplicative disclosure and provides a more streamlined and readable presentation since a substantial portion of the disclosure applies to both MAA and the Operating Partnership.
Management operates MAA and the Operating Partnership as one business. The management of the Company is comprised of individuals who are officers of MAA and employees of the Operating Partnership. We believe it is important to understand the few differences between MAA and the Operating Partnership in the context of how MAA and the Operating Partnership operate as a consolidated company. MAA and the Operating Partnership are structured as an "umbrella partnership REIT," or UPREIT. MAA's interest in the Operating Partnership entitles MAA to share in cash distributions from, and in the profits and losses of, the Operating Partnership in proportion to MAA's percentage interest therein and entitles MAA to vote on substantially all matters requiring a vote of the partners. MAA's only material asset is its ownership of limited partner interests in the Operating Partnership; therefore, MAA does not conduct business itself, other than acting as the sole general partner of the Operating Partnership, issuing public equity from time to time and guaranteeing certain debt of the Operating Partnership. The Operating Partnership holds, directly or indirectly, all of our real estate assets. Except for net proceeds from public equity issuances by MAA, which are contributed to the Operating Partnership in exchange for OP Units, the Operating Partnership generates the capital required by our business through the Operating Partnership's operations, direct or indirect incurrence of indebtedness and issuance of OP units. The presentation of MAA's shareholders' equity and the Operating Partnership's capital are the principal areas of difference between the consolidated financial statements of MAA and those of the Operating Partnership. MAA's shareholders' equity may include shares of preferred stock, shares of common stock, additional paid-in capital, cumulative earnings, cumulative distributions, noncontrolling interest, preferred units, treasury shares, accumulated other comprehensive income and redeemable common units. The Operating Partnership's capital may include common capital and preferred capital of the general partner (MAA), limited partners' preferred capital, limited partners' noncontrolling interest, accumulated other comprehensive income and redeemable common units. Redeemable common units represent the number of outstanding OP Units as of the date of the applicable balance sheet, valued at the greater of the closing market price of MAA's common stock or the aggregate value of the individual partners' capital balances. Holders of OP Units (other than MAA and its corporate affiliates) may require us to redeem their OP Units from time to time, in which case we may, at our option, pay the redemption price either in cash (in an amount per OP Unit equal, in general, to the average closing price of MAA's common stock on the New York Stock Exchange over a specified period prior to the redemption date) or by delivering one share of our common stock (subject to adjustment under specified circumstances) for each OP Unit so redeemed. Organization and Formation of Mid-America Apartment Communities, Inc. On October 1, 2013, MAA completed a merger with Colonial Properties Trust, or Colonial. Pursuant to the merger agreement, Martha Merger Sub, LP, or OP Merger Sub, a wholly-owned indirect subsidiary of MAALP, merged with and into Colonial Realty Limited Partnership, or Colonial LP, with Colonial LP being the surviving entity of the merger and becoming a wholly-owned indirect subsidiary of MAALP, which is referred to as the partnership merger. The partnership merger was part of the transactions contemplated by the agreement and plan of merger entered into on June 3, 2013 among MAA, our Operating Partnership, OP Merger Sub, Colonial, and Colonial LP pursuant to which MAA and Colonial combined through a merger of Colonial with and into MAA, with MAA surviving the merger, which is referred to as the parent merger. We refer to the parent merger, together with the partnership merger, as the "Merger". Under the terms of the merger agreement, each Colonial common share was converted into the right to receive 0.36 of a newly issued share of MAA common stock. In addition, each limited partner interest in Colonial LP designated as a “Class A Unit” and a “Partnership Unit” under the limited partnership agreement of Colonial LP, which we refer to in this filing as Colonial LP units, issued and outstanding immediately prior to the effectiveness of the partnership merger was converted into common units in MAALP at the 0.36 conversion rate. The net assets and results of operations of Colonial are included in our consolidated financial statements from the closing date, October 1, 2013, going forward. See further discussion surrounding the Merger in Note 2 (Business Combinations) below. As of December 31, 2015, we owned and operated 254 apartment communities through the Operating Partnership. As of December 31, 2015, MAA also owned a 25.00% interest in an unconsolidated real estate joint venture consisting of undeveloped land and a 33.30% interest in an unconsolidated real estate joint venture consisting of one commercial property. As of December 31, 2015, we had five development communities under construction totaling 748 units, with 37 units completed. Total expected costs for the development projects are $116.6 million, of which $42.3 million had been incurred to date. We expect to complete construction on one project by the first quarter of 2016, one project by the third quarter of 2016, two projects by the second quarter of 2017, and one project by the fourth quarter of 2017. Five of our multifamily properties include retail components with approximately 163,000 square feet of gross leasable area. We also have one wholly owned commercial property, which we acquired through the Merger, with approximately 208,000 square feet of gross leasable area, excluding tenant owned anchor stores, and one unconsolidated commercial property with approximately 30,000 square feet of gross leasable area. Reclassifications To provide a better presentation of operating expenses, we adjusted the presentation of certain expenses in the specified lines of the Consolidated Statements of Operations. In our Annual Report on Form 10-K for the fiscal year ended December 31, 2014, our 2014 Form 10-K, we reported approximately $1.3 million and $0.8 million in permits and fees and vehicle maintenance costs in the "Other operating" expense line for the twelve months ended December 31, 2014 and December 31, 2013, respectively. These costs have been reclassified to "Building repairs and maintenance" for the twelve months ended December 31, 2014 and December 31, 2013, respectively, presented in the Consolidated Statement of Operations included in this Annual Report on Form 10-K for the fiscal year ended December 31, 2015, or this Form 10-K. In the 2014 Form 10-K, we also reported approximately $33.8 million and $17.6 million in utility costs, primarily for cable TV, trash removal, and telephone costs, in the "Other operating" expense line for the twelve months ended December 31, 2014 and December 31, 2013, respectively. These costs have been reclassified to "Utilities" for the twelve months ended December 31, 2014 and December 31, 2013, respectively, presented in the Consolidated Statement of Operations included in this Form 10-K. These changes have been made in order to provide better insight into how we manage our property operating expenses. In the 2014 Form 10-K, we reported approximately $36.5 million as "Assets held for sale, excluded from Real estate assets, net", which included $1.3 million of Cash and cash equivalents. These assets no longer qualify as held for sale and have been reclassified to Assets held for use within the applicable line items in the Consolidated Balance Sheet and Consolidated Statements of Cash Flows included in this Form 10-K. See further discussion on the held for sale reclassification in Note 15 (Earnings from Discontinued Operations) below. In April 2015, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2015-03, Interest - Imputation of Interest (Subtopic 835-30): Simplifying the Presentation of Debt Issuance Costs. ASU 2015-03 requires debt issuance costs to be presented in the balance sheet as a reduction of the related debt liability rather than an asset. The update requires retrospective application and represents a change in accounting principle. We early-adopted ASU 2015-03 as of the end of fiscal year 2015, and applied its provisions retrospectively. The adoption of ASU 2015-03 resulted in the reclassification of $13.3 million and $11.8 million of unamortized debt issuance costs related to our secured property mortgages, senior unsecured notes, and unsecured term loans from "Deferred financing costs, net" to a reduction in "Unsecured notes payable", of $11.7 million and $9.3 million, and "Secured notes payable", of $1.6 million and $2.5 million, within our Consolidated Balance Sheets as of December 31, 2015 and 2014, respectively. In the 2014 Form 10-K, we reported approximately $4.5 million and $3.1 million of "Amortization of deferred financing costs" for the years ended December 31, 2014 and 2013, respectively. As a result of the adoption of the debt issuance cost guidance and to improve comparability, we also reclassified these costs to "Interest expense" for the twelve months ended December 31, 2014 and 2013, respectively, presented in the Consolidated Statement of Operations included in this Form 10-K. As a result of this income statement reclassification, $4.5 million and $3.1 million of amortization of deferred financing costs for the years ended December 31, 2014 and 2013, respectively, reported in the "Depreciation and amortization" line of the Consolidated Statements of Cash Flows in the 2014 Form 10-K have been reclassified to "Amortization of debt premium and debt issuance costs" for the twelve months ended December 31, 2014 and 2013, respectively, presented in the Consolidated Statements of Cash Flows in this Form 10-K. Other than these reclassifications, the adoption of ASU 2015-03 did not have an impact on our consolidated financial statements. See Note 6 (Borrowings) below for further discussion. Basis of Presentation and Principles of Consolidation The accompanying consolidated financial statements have been prepared by our management in accordance with United States generally accepted accounting principles, or GAAP, and applicable rules and regulations of the Securities and Exchange Commission, or the SEC. The consolidated financial statements of MAA presented herein include the accounts of MAA, the Operating Partnership, and all other subsidiaries in which MAA has a controlling financial interest. MAA owns approximately 95% to 100% of all consolidated subsidiaries. The consolidated financial statements of MAALP presented herein include the accounts of MAALP and all other subsidiaries in which MAALP has a controlling financial interest. MAALP owns, directly or indirectly, 100% of all consolidated subsidiaries. In our opinion, all adjustments necessary for a fair presentation of the consolidated financial statements have been included, and all such adjustments were of a normal recurring nature. All significant intercompany accounts and transactions have been eliminated in consolidation. We invest in entities which may qualify as variable interest entities, or VIE. A VIE is a legal entity in which the equity investors lack sufficient equity at risk for the entity to finance its activities without additional subordinated financial support or, as a group, the holders of the equity investment at risk lack the power to direct the activities of a legal entity as well as the obligation to absorb its expected losses or the right to receive its expected residual returns. We consolidate all VIEs for which we are the primary beneficiary and use the equity method to account for investments that qualify as VIEs but for which we are not the primary beneficiary. In determining whether we are the primary beneficiary of a VIE, we consider qualitative and quantitative factors, including but not limited to, those activities that most significantly impact the VIE's economic performance and which party controls such activities. We use the equity method of accounting for our investments in entities for which we exercise significant influence, but do not have the ability to exercise control. These entities are not variable interest entities. The factors considered in determining that we do not have the ability to exercise control include ownership of voting interests and participatory rights of investors. Use of Estimates Management has made a number of estimates and assumptions relating to the reporting of assets and liabilities, the disclosure of contingent assets and liabilities, and the reported amounts of revenues and expenses to prepare these financial statements and notes in conformity with GAAP. Actual results could differ from those estimates. Revenue Recognition and Real Estate Sales We primarily lease multifamily residential apartments under operating leases generally with terms of one year or less. Rental revenues are recognized using a method that represents a straight-line basis over the term of the lease and other revenues are recorded when earned. Rental income represents gross market rent less adjustments for concessions, vacancy loss and bad debt. We record gains and losses on real estate sales in accordance with accounting standards governing the sale of real estate. For sale transactions meeting the requirements for the full accrual method, we remove the assets and liabilities from our Consolidated Balance Sheets and record the gain or loss in the period the transaction closes. Rental Costs Costs associated with rental activities, including advertising costs, are expensed as incurred. Advertising expenses were approximately $13.5 million, $12.4 million, and $9.5 million for the years ended December 31, 2015, 2014, and 2013, respectively. Discontinued Operations Prior to our January 2014 adoption of ASU No. 2014-08, Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity, properties sold during the year or those classified as held-for-sale at the end of a reporting period were classified as discontinued operations in accordance with accounting standards governing financial statement presentation. Subsequent to our adoption of this ASU on January 1, 2014, only dispositions representing significant changes in operating strategy are classified as discontinued operations. Once a property is classified as held-for-sale, depreciation is no longer recognized. Real Estate Assets and Depreciation and Amortization Real estate assets are carried at depreciated cost. Repairs and maintenance costs are expensed as incurred while significant improvements, renovations, and recurring capital replacements are capitalized. Recurring capital replacements typically include scheduled carpet replacement, new roofs, HVAC units, plumbing, concrete, masonry and other paving, pools and various exterior building improvements. In addition to these costs, we also capitalize salary costs directly identifiable with renovation work. These expenditures extend the useful life of the property and increase the property’s fair market value. The cost of interior painting, vinyl flooring and blinds are expensed as incurred. Depreciation is computed on a straight-line basis over the estimated useful lives of the related assets which range from 8 to 40 years for land improvements and buildings, 5 years for furniture, fixtures and equipment, and 3 to 5 years for computers and software. Development Costs Development projects and the related carrying costs, including interest, property taxes, insurance and allocated direct development salary cost during the construction period, are capitalized and reported in the accompanying Consolidated Balance Sheets as “Development and capital improvements in progress” during the construction period. Interest is capitalized in accordance with accounting standards governing the capitalization of interest. Upon completion and certification for occupancy of individual buildings within a development, amounts representing the completed building's portion of total estimated development costs for the project are transferred to "Land", "Buildings", and "Furniture, fixtures and equipment" as real estate held for investment. Capitalization of interest, property taxes, insurance and allocated direct development salary costs cease upon the transfer. The assets are depreciated over their estimated useful lives. Total interest capitalized during the years ended December 31, 2015, 2014 and 2013 was approximately $1.7 million, $1.7 million, and $2.1 million, respectively. Indirect costs other than interest that we capitalized included capitalized salaries of $0.4 million, $1.7 million, and $0.4 million during the years ended December 31, 2015, 2014 and 2013, respectively, and real estate taxes of $0.2 million, $0.2 million, and $0.3 million during the years ended December 31, 2015, 2014 and 2013, respectively. Certain costs associated with the lease-up of development projects, including cost of model units, their furnishings, signs, and “grand openings,” are capitalized and amortized over their respective estimated useful lives. All other costs relating to renting development projects are expensed as incurred. Acquisition of Real Estate Assets In accordance with accounting standards for business combinations, the fair value of the real estate acquired is allocated to the acquired tangible assets, consisting of land, building, furniture, fixtures and equipment, and identified intangible assets, consisting of the value of in-place leases and other contracts. We allocate the purchase price to the fair value of the tangible assets of an acquired property determined by valuing the building as if it were vacant, based on management’s determination of the relative fair values of these assets. Management determines the as-if-vacant fair value of a building using methods similar to those used by independent appraisers. These methods include using stabilized net operating income, or NOI, and market specific capitalization and discount rates. In allocating the fair value of identified intangible assets of an acquired property, the in-place leases are valued based on current rent rates and time and cost to lease a unit. Management concluded that the residential leases acquired in connection with each of its property acquisitions are approximately at market rates since the residential lease terms generally do not extend beyond one year. For larger, portfolio style acquisitions, like the Merger, management engages a third party valuation specialist to perform 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. The third party uses stabilized 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 initial allocation of the purchase price is based on management’s preliminary assessment, which may differ when final information becomes available. Subsequent adjustments made to the initial purchase price allocation, if any, are made within the allocation period, which typically does not exceed one year. For residential leases, the fair value of the in-place leases and resident relationships is then amortized over 6 months, the estimated remaining term of the resident leases. For commercial leases, the fair value of in-place leases and resident relationships is amortized over the remaining term of the commercial leases. The amount of lease intangibles included in Other assets totaled $6.1 million, $8.3 million, and $54.0 million as of December 31, 2015, 2014, and 2013, respectively. Accumulated amortization for these leases totaled $2.3 million, $1.8 million, and $21.9 million as of December 31, 2015, 2014 and 2013, respectively. The amortization recorded as depreciation and amortization expense was $5.0 million, $24.5 million, and $23.5 million for the years ended December 31, 2015, 2014, and 2013, respectively. The estimated aggregate future amortization expense is approximately $1.4 million, $0.5 million, $0.4 million, $0.3 million, and $0.3 million for the years ended December 31, 2016, 2017, 2018, 2019, and 2020, respectively. The Company's policy is to expense the costs incurred to acquire properties in the period these costs are incurred. Acquisition costs include appraisal fees, title fees, broker fees, and other legal costs to acquire the property. These costs are recorded in our Consolidated Statement of Operations under the line "Acquisition expenses". Impairment of Long-lived Assets, including Goodwill We account for long-lived assets in accordance with the provisions of accounting standards for the impairment or disposal of long-lived assets and evaluate our goodwill for impairment under accounting standards for goodwill and other intangible assets. We evaluate goodwill for impairment on at least an annual basis, or more frequently if a goodwill impairment indicator is identified. We periodically evaluate long-lived assets, including investments in real estate and goodwill, for indicators that would suggest that the carrying amount of the assets may not be recoverable. The judgments regarding the existence of such indicators are based on factors such as operating performance, market conditions and legal factors. Long-lived assets, such as real estate assets, equipment and purchased intangibles subject to amortization, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of assets to be held and used is measured by a comparison of the carrying amount of an asset to estimated undiscounted future cash flows expected to be generated by the asset. If the carrying amount of an asset exceeds its estimated future cash flows, an impairment charge is recognized for the amount by which the carrying amount of the asset exceeds the fair value of the asset. Assets to be disposed of are separately presented on the Balance Sheet and reported at the lower of the carrying amount or fair value less costs to sell, and are no longer depreciated. The assets and liabilities of a disposed group or a property classified as held for sale are presented separately in the appropriate asset and liability sections of the balance sheet. Goodwill is tested annually for impairment and is tested for impairment more frequently if events and circumstances indicate that the asset might be impaired. An impairment loss for goodwill is recognized to the extent that the carrying amount exceeds the implied fair value of goodwill. This determination is made at the reporting unit level and consists of two steps. First, we determine the fair value of a reporting unit and compare it to its carrying amount. In the apartment industry, the primary method used for determining fair value is to divide annual operating cash flows by an appropriate capitalization rate. We determine the appropriate capitalization rate by reviewing the prevailing rates in a property’s market or submarket. Second, if the carrying amount of a reporting unit exceeds its fair value, an impairment loss is recognized for any excess of the carrying amount of the reporting unit’s goodwill over the implied fair value of that goodwill. The implied fair value of goodwill is determined by allocating the fair value of the reporting unit in a manner similar to a purchase price allocation in accordance with accounting standards for business combinations. The residual fair value after this allocation is the implied fair value of the reporting unit goodwill. There has been no impairment of goodwill in the three year period ended December 31, 2015. Goodwill decreased from $2.3 million at December 31, 2014 to $1.6 million at December 31, 2015 as a result of the disposition of the Post House Jackson, Post House North, and Oaks apartment communities on April 29, 2015. Goodwill decreased from $4.1 million at December 31, 2013 to $2.3 million at December 31, 2014 as a result of the disposition of the Greenbrook apartment community on July 10, 2014. Loss Contingencies The outcomes of claims, disputes and legal proceedings are subject to significant uncertainty. We record an accrual for loss contingencies when a loss is probable and the amount of the loss can be reasonably estimated. We review these accruals quarterly and make revisions based on changes in facts and circumstances. When a loss contingency is not both probable and reasonably estimable, we do not accrue the loss. However, if the loss (or an additional loss in excess of the accrual) is at least a reasonable possibility and material, then we disclose a reasonable estimate of the possible loss, or range of loss, if such reasonable estimate can be made. If we cannot make a reasonable estimate of the possible loss, or range of loss, then a statement to that effect is disclosed. The assessment of whether a loss is probable or a reasonable possibility, and whether the loss or range of loss is reasonably estimable, often involves a series of complex judgments about future events. Among the factors that we consider in this assessment, are the nature of existing legal proceedings and claims, the asserted or possible damages or loss contingency (if reasonably estimable), the progress of the matter, existing law and precedent, the opinions or views of legal counsel and other advisers, our experience in similar matters, the facts available to us at the time of assessment, and how we intend to respond, or have responded, to the proceeding or claim. Our assessment of these factors may change over time as individual proceedings or claims progress. For matters where we are not currently able to reasonably estimate a range of reasonably possible loss, the factors that have contributed to this determination include the following: (i) the damages sought are indeterminate; (ii) the proceedings are in the early stages; (iii) the matters involve novel or unsettled legal theories or a large or uncertain number of actual or potential cases or parties; and/or (iv) discussions with the parties in matters that are expected ultimately to be resolved through negotiation and settlement have not reached the point where we believe a reasonable estimate of loss, or range of loss, can be made. In such instances, we believe that there is considerable uncertainty regarding the timing or ultimate resolution of such matters, including a possible eventual loss or business impact, if any. Undeveloped Land Undeveloped land includes sites intended for future multifamily developments, sites for future commercial development and sites intended for residential use, which are carried at the lower of cost or fair value in accordance with GAAP and any costs incurred prior to commencement of pre-development activities are expensed as incurred. Investment in Real Estate Joint Ventures Our investments in our unconsolidated real estate joint ventures are recorded using the equity method as we are able to exert significant influence, but do not have a controlling interest in any of our joint ventures. Cash and Cash Equivalents We consider investments in money market accounts and certificates of deposit with original maturities of three months or less to be cash equivalents. Restricted Cash Restricted cash consists of security deposits required to be held separately, escrow deposits held by lenders for property taxes, insurance, debt service, and replacement reserves, and exchanges under Section 1031(b) of the Internal Revenue Code of 1986, as amended, or the Code. Section 1031(b) exchanges are treated as investing activities in the Consolidated Statement of Cash Flows. Deferred Financing Costs Deferred financing costs are amortized over the terms of the related debt using a method which approximates the effective interest method. If the terms of renewed or modified debt instruments are deemed to be substantially different, all unamortized financing costs associated with the modified debt are charged to earnings in the current period. If the terms are not substantially different, the costs associated with the renewal are capitalized and amortized over the remaining term of the debt instrument. For modifications affecting a line of credit, fees paid to a creditor and any third party costs will be capitalized and amortized over the remaining term of the new arrangement. Any unamortized deferred financing costs associated with the old arrangement are either deferred and amortized over the life of the new arrangement or written off, depending upon the nature of the modification and cost. The balance of any unamortized financing costs on extinguished debt is expensed upon extinguishment. Other Assets Other assets consist primarily of deferred rental concessions which are recognized on a straight line basis over the life of the leases, receivables and deposits from residents, the value of derivative contracts and other prepaid expenses including prepaid insurance and prepaid interest. Also included in other assets are the fair market value of in place leases, which totaled $6.1 million and $8.3 million as of December 31, 2015 and 2014, respectively. Accrued Expenses and Other Liabilities Accrued expenses consist of accrued dividends payable, accrued real estate taxes, accrued interest payable, other accrued expenses payable, and unearned income. Significant accruals include accrued dividends payable of $65.2 million and $61.2 million at December 31, 2015 and 2014, respectively, accrued real estate taxes of $63.3 million and $56.8 million at December 31, 2015 and 2014, respectively, and accrued interest payable of $17.2 million and $17.8 million, at December 31, 2015 and 2014, respectively. Self-Insurance We are self-insured for workers' compensation claims up to $500,000 and for general liability claims up to $100,000. Claims exceeding these amounts are insured by a third party. We accrue for expected liabilities less than $500,000 for workers' compensation based on a third party actuarial estimate of ultimate losses and we also accrue for expected general liability claims less than $100,000 based on a third party actuarial estimate of ultimate losses. Income Taxes MAA has elected to be taxed as a REIT under the Code, beginning with the taxable year ended December 31, 1994, and intends to continue to operate in such a manner. The current and continuing qualification as a REIT depends on MAA's ability to meet the various requirements imposed by the Code, which are related to organizational structure, distribution levels, diversity of stock ownership and certain restrictions with regard to owned assets and categories of income. As long as MAA qualifies for taxation as a REIT, it will generally not be subject to United States Federal corporate income tax on its taxable income that is currently distributed to shareholders. This treatment substantially eliminates the “double taxation” (at the corporate and shareholder levels) that generally results from an investment in a corporation. Even if MAA qualifies as a REIT, it may be subject to United States Federal income and excise taxes in certain situations, such as not meeting the income distribution requirements. MAA also will be required to pay a 100% tax on any net income on non-arm’s length transactions between MAA and its Taxable REIT Subsidiaries, or TRS (discussed below). In addition, MAA could also be subject to the alternative minimum tax, or AMT. State and local tax laws may not conform to the United States Federal income tax treatment, and MAA and its shareholders may be subject to state or local taxation in various state or local jurisdictions, including those in which MAA transacts business or its shareholders reside. Any taxes imposed on MAA would reduce its operating cash flow and net income. Certain of our operations or a portion thereof, including asset management and risk management, are conducted through TRSs, which are subsidiaries of the Operating Partnership. A TRS is a C-corporation that has not elected REIT status and as such is subject to United States Federal corporate income tax. The TRS accounts for deferred taxes by recognition of deferred tax assets and liabilities for the expected future tax consequences of events that have been included in the financial statements or tax returns. Under this method, deferred tax assets and liabilities are determined based on the difference between the financial statement and tax basis of assets and liabilities using enacted tax rates in effect for the year in which the differences are expected to reverse. A valuation allowance is provided when it is more likely than not that some portion or all of the deferred tax assets will not be realized. Based on this evaluation, at December 31, 2015, net of the valuation allowance, the net deferred tax assets were reduced to zero. The Company recognizes liabilities for uncertain income tax positions based on a two-step process. The first step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates that it is more likely than not that the position will be sustained on audit, including resolution of related appeals or litigation processes, if any. The second step requires the Company to estimate and measure the tax benefit as the largest amount that is more than 50% likely to be realized upon ultimate settlement. The Company classifies interest related to income tax liabilities, and if applicable, penalties, as a component of Income tax expense. As of December 31, 2015, we did not have any unrecognized tax benefits, and we do not believe that there will be any material changes in our unrecognized tax positions over the next 12 months. The income tax expense line item shown in the Statement of Operations represents the Texas-based margin tax for all Texas properties. Fair value of derivative financial instruments We utilize certain derivative financial instruments, primarily interest rate swaps and interest rate caps, during the normal course of business to manage, or hedge, the interest rate risk associated with our variable rate debt or as hedges in anticipation of future debt transactions to manage well-defined interest rate risk associated with the transaction. In order for a derivative contract to be designated as a hedging instrument, changes in the hedging instrument must be highly effective at offsetting changes in the hedged item. The historical correlation of the hedging instruments and the underlying hedged items are assessed before entering into the hedging relationship and on a quarterly basis thereafter, and have been found to be highly effective. We measure ineffectiveness using the change in the variable cash flows method or the hypothetical derivative method for interest rate swaps and the hypothetical derivative method for interest rate caps for each reporting period through the term of the hedging instruments. Any amounts determined to be ineffective are recorded in earnings if in an overhedged position. The change in fair value of the interest rate swaps and the intrinsic value or fair value of interest rate caps designated as cash flow hedges are recorded to accumulated other comprehensive income in the Statement of Equity. The valuation of our derivative financial instruments is determined using widely accepted valuation techniques, including discounted cash flow analysis on the expected cash flows of each derivative. The fair values of interest rate swaps are determined using the market standard methodology of netting the discounted future fixed cash payments and the discounted expected variable cash receipts. The variable cash receipts are based on an expectation of future interest rates (forward curves) derived from observable market interest rate curves. The fair values of interest rate caps are determined using the market standard methodology of discounting the future expected cash receipts that would occur if variable interest rates rise above the strike rate of the interest rate caps. The variable interest rates used in the calculation of projected receipts on the interest rate cap are based on an expectation of future interest rates derived from observable market interest rate curves and volatilities. Additionally, we incorporate credit valuation adjustments to appropriately reflect both our own nonperformance risk and the respective counterparty’s nonperformance risk in the fair value measurements. Changes in the fair values of our derivatives are primarily the result of fluctuations in interest rates. See Note 7 (Derivative and Hedging Activities) and Note 8 (Fair Value Disclosure of Financial Information) for further discussion. Recent Accounting Pronouncements The following table provides a brief description of recent accounting pronouncements that could have a material effect on our financial statements:
Standard | Description | Date of Adoption | Effect on the Financial Statements or Other Significant Matters
Accounting Standards Update (ASU) 2015-03 and ASU 2015-15, Interest -Imputation of Interest | ASU 2015-03, requires that debt issuance costs be presented in the balance sheet as a direct deduction from the carrying amount of debt liability, consistent with debt discounts or premiums. ASU 2015-15 provides additional guidance to ASU 2015-03, which did not address presentation or subsequent measurement of debt issuance costs related to line-of-credit arrangements. ASU 2015-15 noted that the SEC staff would not object to an entity deferring and presenting debt issuance costs as an asset and subsequently amortizing the deferred debt issuance costs ratably over the term of the line-of-credit arrangement, regardless of whether there are any outstanding borrowings on the line-of-credit arrangement. | This ASU is effective for annual periods ending after December 15, 2015; however, early adoption is permitted. | We adopted this ASU on December 31, 2015. The adoption of this ASU resulted in the reclassification of $13.3 million and $11.8 million of unamortized debt issuance costs related to the company’s secured property mortgages, senior unsecured notes, and unsecured term loans from Deferred financing costs, net to a reduction in Unsecured and Secured notes payable within its Consolidated Balance Sheets as of December 31, 2015 and 2014, respectively.
ASU 2014-15, Disclosure of Uncertainties about an Entity's Ability to Continue as a Going Concern | This ASU requires an entity's management to evaluate whether there are conditions or events, considered in the aggregate, that raise substantial doubt about the entity's ability to continue as a going concern within one year after the date that the financial statements are issued. If substantial doubt exists, the entity must disclose the principal conditions or events that raised the substantial doubt, management's evaluation of the significance of these conditions, and management's plan for alleviating the substantial doubt about the entity's ability to continue as a going concern. | This ASU is effective for annual periods ending after December 15, 2016; however, early adoption is permitted. | We are currently in the process of evaluating the impact of this ASU, but we do not expect the adoption of this ASU to have a material impact on our consolidated financial position or results of operations taken as a whole.
ASU 2014-09, Revenue from Contracts with Customers | This ASU establishes principles for recognizing revenue upon the transfer of promised goods or services to customers, in an amount that reflects the expected consideration received in exchange for those goods or services. | This ASU is effective for annual reporting periods beginning after December 15, 2017, as a result of a deferral of the effective date arising from the issuance of ASU 2015-14, Revenue from Contracts with Customers - Deferral of the Effective Date. Early adoption is permitted. | The amendments may be applied retrospectively to each prior period presented or retrospectively with the cumulative effect recognized as of the date of initial application. We are currently in the process of evaluating the impact of adoption of this ASU on our consolidated financial condition and results of operations taken as a whole and plan on completing this assessment in the fourth quarter of 2016, but we do not expect the impact to be material. We have not yet determined which method will be used for initial application.
ASU 2014-08, Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity | This ASU raises the threshold for disposals to qualify as discontinued operations. It also requires additional disclosures for discontinued operations and new disclosures for individually material disposal transactions that do not meet the definition of a discontinued operation. | This ASU is effective for fiscal years beginning after December 15, 2014, and interim periods within those years; however, early adoption is permitted beginning in the first quarter of 2014. | We adopted this ASU on January 1, 2014. The adoption of this ASU required us to not classify certain disposals occurring during 2014 as discontinued operations. The 2014 dispositions did not qualify for discontinued operations treatment and therefore the gains on these properties are presented as a component of continuing operations for 2014.

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- Definition Consolidation and Basis of Presentation and Significant Accounting Policies [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for the organization, consolidation and basis of presentation of financial statements disclosure, and significant accounting policies of the reporting entity. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6003-108592 + Details
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