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Summary of Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

We consolidate variable interest entities (“VIE”), in which we are considered the primary beneficiary. The primary beneficiary is the entity that has (i) the power to direct the activities that most significantly impact the entity’s economic performance, and (ii) the obligation to absorb losses of the VIE or the right to receive benefits from the VIE that could be significant to the VIE. As of December 31, 2022 and 2021, AIR consolidated seven and 11 VIEs, respectively, including the AIR Operating Partnership.

Real Estate

Acquisitions

Upon the acquisition of real estate, we determine whether the purchase qualifies as an asset acquisition or meets the definition of an acquisition of a business. We generally recognize the acquisition of apartment communities or interests in partnerships that own communities at our cost, including the related transaction costs, as asset acquisitions.

We allocate the cost of apartment communities acquired based on the relative fair value of the assets acquired and liabilities assumed. The fair value of these assets and liabilities is determined using valuation techniques that rely on Level 2 and Level 3 inputs within the fair value framework. We determine the fair value of tangible assets, such as land, buildings, furniture, fixtures, and equipment using valuation techniques that consider comparable market transactions, replacement costs, and other available information. We determine the fair value of identified intangible assets or liabilities, which typically relate to in-place leases, using valuation techniques that consider the terms of the in-place leases, current market data for comparable leases, and our experience in leasing similar communities.

The intangible assets or liabilities related to in-place leases are comprised of: (a) the value of the above- and below-market leases in-place, measured over the period, including probable lease renewals for below-market leases, that the leases are expected to remain in effect; (b) the estimated unamortized portion of avoided leasing commissions and other costs that ordinarily would be incurred to originate the in-place leases; and (c) the value associated with leased apartment homes during an estimated absorption period, which estimates rental revenue that would not have been earned had leased apartment homes been vacant at the time of acquisition, assuming lease-up periods based on market demand and stabilized occupancy levels. The above- and below-market lease intangibles are amortized to rental revenue over the expected remaining terms of the associated leases, which include reasonably assured renewal periods. Other intangible assets related to in-place leases are amortized to depreciation and amortization over the expected remaining terms of the associated leases.

Capital Additions

We capitalize costs, including certain indirect costs, incurred in connection with our capital additions activities, including tangible apartment community improvements and replacements of existing apartment community components. Costs, including ordinary repairs, maintenance, and resident turnover costs, are charged to property operating expense as incurred.

For the years ended December 31, 2022, 2021, and 2020, we capitalized to buildings and improvements $1.5 million, $2.4 million, and $13.7 million of interest costs, respectively, and $16.6 million, $10.3 million, and $33.0 million of other direct and indirect costs, respectively.

Dispositions

A property is classified as held for sale when all of the following criteria for a plan of sale have been met: (i) management, having the authority to approve the action, commits to a plan to sell the asset or disposal group; (ii) the asset or disposal group is available for immediate sale in its present condition, subject only to terms that are usual and customary; (iii) an active program to locate a buyer and other actions required to complete the plan to sell the asset or disposal group have been initiated; (iv) the sale of the asset or disposal group is probable and is expected to be completed within one year; (v) the asset or disposal group is being actively marketed for sale at a price that is reasonable in relation to its current fair value; and (vi) actions required to complete the plan indicate that it is unlikely that significant changes to the plan will be made or that the plan will be withdrawn, which is typically indicated by receipt of all non-refundable deposits from the buyer pursuant to a sales contract. Depreciation of assets ceases upon designation of a property as held for sale.

For sales of real estate, we evaluate whether the disposition represents a strategic shift that has, or will have, a major effect on our operations and financial results. If so, it is classified as discontinued operations in our consolidated financial statements

for all periods presented. If not, it is presented in continuing operations in our consolidated financial statements. The disposal of an individual property generally will not represent a strategic shift that has a major effect, and therefore will typically not meet the criteria for classification as a discontinued operations.

Gain or loss on real estate dispositions are recognized when we no longer hold a controlling financial interest in the real estate and sufficient consideration has been received. Upon disposition, the related assets and liabilities are derecognized, and the gain or loss on disposition is recognized as the difference between the carrying amount of those assets and liabilities and the value of consideration received.

Impairment

Real estate and other long-lived assets to be held and used are individually evaluated for impairment when conditions exist that may indicate the carrying amount of a long-lived asset may not be recoverable. We use the held for sale impairment model for properties classified as held for sale, whereby an impairment charge is recognized if the carrying amount of the long-lived asset classified as held for sale exceeds its fair value less cost to sell. If an impairment indicator exists, we compare the asset’s expected future undiscounted cash flows to its current carrying value to assess whether impairment measurement is necessary. Upon determination that an impairment has occurred, we recognize an impairment loss to the extent the carrying amount exceeds the estimated fair value of the real estate and other long-lived assets. During 2020, we recognized an impairment loss on real estate of $47.3 million. We did not recognize any such impairment during the years ended December 31, 2022 and 2021.

The measurement of impairment is based on the fair value of the community and incorporates various estimates and assumptions, the most significant being market rental rates, operating expense assumptions, expected hold period, and capitalization rate. We project future rental revenue growth rates using forecasted rates from third-party market research analytics. Property expense growth rates and capitalization rates are based on the apartment communities’ historical, current, and expected future operating results, existing operating expense assumptions, and operational strategies. These projections are adjusted to reflect current economic conditions and require considerable management judgment.

Cash, Cash Equivalents and Restricted Cash

Cash and Cash Equivalents

We classify highly liquid investments with an original maturity of three months or less as cash equivalents. We maintain cash equivalents in financial institutions in excess of insured limits. We have not experienced any losses in these accounts in the past and believe that we are not exposed to significant credit risk because our accounts are deposited with major financial institutions.

Restricted Cash

As of December 31, 2022, restricted cash primarily consists of cash deposited into 1031 exchange accounts in connection with tax-deferred exchange transactions that was released in conjunction with the Southgate Towers acquisition in January 2023, capital replacement reserves, completion repair reserves, bond sinking fund amounts, real estate tax, insurance escrow accounts held by lenders, and resident security deposits.

Sales-Type Lease Arrangements

During 2021, we entered into leases of existing properties with Aimco, which were accounted for as sales-type leases in accordance with Accounting Standards Codification Topic 842, Leases (“ASC 842”), with terms ranging from 10 to 25 years. As of December 31, 2021, we had assets recorded reflecting our net investment in such leased properties totaling $466 million.

During the third quarter of 2022, we canceled the existing sales-type leases. Please refer to Note 3 for further information regarding the lease cancellation.

Goodwill

As of December 31, 2022 and 2021, goodwill associated with our reportable segments totaled $32.3 million. In connection with the Separation during 2020, we allocated goodwill in the amount of $5.5 million that was attributable to the properties retained by Aimco, with an offsetting amount recognized in additional paid in capital. Annually, or when an interim triggering event occurs, we perform an impairment test of goodwill by evaluating qualitative factors and quantitative factors, if necessary, to determine the likelihood that goodwill may be impaired. As a result of our annual impairment test, we determined that our goodwill was not impaired during the years ended December 31, 2022, 2021, and 2020.

Other Assets, net

As of December 31, 2022 and 2021, other assets, net was comprised of the following amounts (in thousands):


	2022		2021
Mezzanine investment	$	158,726	$	337,800
Right-of-use lease assets		126,020		53,425
Other receivables, net		69,944		40,675
Other		226,633		136,151
Total other assets, net	$	581,323	$	568,051

Accrued Liabilities and Other

As of December 31, 2022 and 2021, accrued liabilities and other was comprised of the following amounts (in thousands):


	2022		2021
Mezzanine liability	$	158,726	$	337,800
Accrued expenses		225,888		161,321
Other		129,191		93,653
Total accrued liabilities and other	$	513,805	$	592,774

Investments in Unconsolidated Real Estate Partnerships

We may own general and limited partner interests in partnerships that either directly, or through interests in other real estate partnerships, own apartment communities. We generally account for investments in real estate partnerships that we do not consolidate under the equity method. Under the equity method, we recognize our share of the earnings or losses of the entity for the periods presented, inclusive of our share of any impairments and disposition gains or losses recognized by and related to such entities, and we present such amounts within income from unconsolidated real estate partnerships in our consolidated statements of operations. Investments in unconsolidated real estate partnerships are included in other assets, net, in our consolidated balance sheets.

Investments in unconsolidated real estate partnerships are reviewed for impairments. An impairment loss is recorded when there is a decline in the fair value below the carrying value and we conclude such decline is other-than-temporary. An impairment loss is measured based on the excess of the carrying amount of an investment over its estimated fair value. We determine the fair value of investments in unconsolidated real estate partnerships using valuation techniques that consider the terms of the in-place leases, current market data for comparable leases, our experience in leasing similar communities, and current plans. We recognized no such impairments for any of the years ended December 31, 2022, 2021, and 2020.

The excess of our cost of the acquired partnership interests over our share of the partners’ equity or deficit is generally ascribed to the fair values of land and buildings owned by the partnerships. We amortize the excess cost ascribed to the buildings over the related estimated useful life. Such amortization is recorded as an adjustment of the amounts of earnings or losses we recognize from such unconsolidated real estate partnerships.

Noncontrolling Interests in Consolidated Real Estate Partnerships

We generally report the unaffiliated partners’ interests in the net assets of our consolidated real estate partnerships as noncontrolling interests in consolidated real estate partnerships within consolidated equity and partners’ capital. If a real estate partnership includes redemption rights that are not within AIR and the AIR Operating Partnership’s control, the noncontrolling interest is included as temporary equity or temporary capital. If the redemption right is not currently redeemable but probable of being redeemable in the future, changes in redemption value are recognized each quarter with the change in value being reflected in additional paid-in-capital.

The assets of real estate partnerships consolidated by the AIR Operating Partnership must first be used to settle the liabilities of such consolidated real estate partnerships. These consolidated real estate partnerships’ creditors do not have recourse to the general credit of the AIR Operating Partnership.

Noncontrolling interests in consolidated real estate partnerships consist primarily of equity interests held by limited partners in consolidated real estate partnerships that have finite lives. We generally attribute to noncontrolling interests their share of income or loss of consolidated partnerships based on their proportionate interest in the results of operations of the partnerships, including their share of losses even if such attribution results in a deficit noncontrolling interest balance within our equity and partners’ capital accounts.

The terms of the related partnership agreements generally require the partnerships to be liquidated following the sale of the underlying real estate. As the general partner in these partnerships, we ordinarily control the execution of real estate sales and other events that could lead to the liquidation, redemption or other settlement of noncontrolling interests.

Changes in our ownership interest in consolidated real estate partnerships generally consist of our purchase of an additional interest in or the sale of our entire or partial interest in a consolidated real estate partnership. The effect on our equity and partners’ capital of our purchase of additional interests in consolidated real estate partnerships during the years ended December 31, 2022, 2021, and 2020, is shown in our consolidated statements of equity and partners’ capital. The effect on our equity and partners’ capital of sales of consolidated real estate or sales of our entire interest in consolidated real estate partnerships is reflected in our consolidated statements of operations as gains or losses on dispositions of real estate and accordingly the effect on our equity and partners’ capital is reflected within the amount of net income allocated to us and to noncontrolling interests. Upon our deconsolidation of a real estate partnership following the sale of our partnership interests or liquidation of the partnership following sale of the related apartment community, we derecognize any remaining noncontrolling interest of the associated partnership previously recorded in our consolidated balance sheets.

Noncontrolling Interests in the AIR Operating Partnership

Noncontrolling interests in the AIR Operating Partnership consist of common OP Units and preferred OP Units and are reflected in AIR’s accompanying consolidated balance sheets as noncontrolling interests in AIR Operating Partnership. Holders of preferred OP Units participate in the AIR Operating Partnership’s income or loss only to the extent of their preferred distributions. Within AIR’s consolidated financial statements, after provision for preferred OP Unit distributions, the AIR Operating Partnership’s income or loss is allocated to the holders of common OP Units based on the weighted-average number of common OP Units (including those held by AIR) outstanding during the period. During the years ended December 31, 2022, 2021, and 2020, the holders of common OP Units (excluding those held by AIR) had a weighted-average economic ownership interest in the AIR Operating Partnership of 6.25%, 6.07%, and 5.07%, respectively. Please refer to Note 8 for further information regarding the items comprising noncontrolling interests in the AIR Operating Partnership. Substantially all of the assets and liabilities of AIR are those of the AIR Operating Partnership.

Revenue from Leases

We are a lessor primarily for residential leases. Our operating leases with residents may also provide that the resident reimburse us for certain costs, primarily the resident’s share of utilities expenses, incurred by the apartment community. These reimbursements represent revenue attributable to nonlease components for which the timing and pattern of recognition is the same as the revenue for the lease components. We use the practical expedient that allows us to account for the lease and nonlease components as a single component. Reimbursement and related expense are presented on a gross basis in our consolidated statements of operations, with the reimbursement included in rental and other property revenues attributable to real estate in our consolidated statements of operations. We recognize rental revenue attributed to lease components, net of any concessions, on a straight-line basis over the term of the lease.

Insurance

We believe our insurance coverages insure our apartment communities adequately against the risk of loss attributable to fire, earthquake, hurricane, tornado, flood, and other perils. In addition, we have third-party insurance coverage (after self-insured retentions) that defray the costs of large workers’ compensation, health, and general liability exposures. We accrue losses based upon our estimates of the aggregate liability for uninsured losses incurred using certain actuarial assumptions followed in the insurance industry and based on our experience.

Depreciation and Amortization

Depreciation for all tangible assets is calculated using the straight-line method over their estimated useful life. Acquired buildings and improvements are depreciated over a useful life based on the age, condition, and other physical characteristics of the asset. Furniture, fixtures, and equipment are generally depreciated over five years.

We depreciate capitalized costs using the straight-line method over the estimated useful life of the related improvement, which is generally 5, 15, or 30 years.

Purchased software and other costs related to software purchased or developed for internal use are capitalized during the application development stage and are amortized using the straight-line method over the estimated useful life of the software, generally three to five years. Purchased equipment is recognized at cost and depreciated using the straight-line method over the estimated useful life of the asset, which is generally five years. Leasehold improvements are also recorded at cost and depreciated on a straight-line basis over the shorter of the asset’s estimated useful life or the term of the related lease.

Certain homogeneous items that are purchased in bulk on a recurring basis, such as appliances, are depreciated using group methods that reflect the average estimated useful life of the items in each group. Except in the case of apartment community casualties, where the net book value of the lost asset is written off in the determination of casualty gains or losses, we generally do not recognize any loss in connection with the replacement of an existing apartment community component because normal replacements are considered in determining the estimated useful life used in connection with our composite and group depreciation methods.

Share-Based Compensation

We issue various forms of share-based compensation, including stock options and restricted stock awards with service conditions or market conditions. We recognize share-based employee compensation based on the fair value on the grant date and recognize compensation cost over the awards’ requisite service periods. We reduce compensation cost related to forfeited awards in the period of forfeiture. Please refer to Note 9 for further discussion of our share-based compensation.

Income Taxes

AIR has elected to be taxed as a REIT under the Internal Revenue Code of 1986, as amended (the “Code”), commencing with its taxable year ended December 31, 2020, and it intends to continue to operate in such a manner. AIR’s current and continuing qualification as a REIT depends on its 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 a REIT, we are generally not subject to federal and certain state income tax on the net income that we currently distribute to stockholders. This treatment substantially eliminates the “double taxation” (at the corporate and stockholder levels) that generally results from an investment in a corporation.

Even if AIR qualifies as a REIT, it may be subject to United States federal income and excise taxes in various situations, such as on undistributed income. AIR could also be subject to a 100% tax on transactions between it and a TRS (described below) that are determined to be non-arm’s length and on any net income from sales of apartment communities that are determined to be dealer-type prohibited transactions. The state and local tax laws may not conform to the United States federal income tax treatment, and AIR may be subject to state or local taxation in various state or local jurisdictions, including those in which we transact business. Any taxes imposed on us reduce our operating cash flow and net income.

Certain of AIR’s operations, or a portion thereof, including property management and risk management, are conducted through taxable REIT subsidiaries, which are subsidiaries of the AIR Operating Partnership, and each of which we refer to as a TRS. A TRS is a corporate subsidiary that has elected to be a TRS instead of a REIT and, as such, is subject to United States federal corporate income tax. We use TRS entities to facilitate our ability to offer certain services and activities to our residents and investment partners that cannot be offered directly by a REIT.

For our TRS entities, deferred income taxes result from temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts reported for United States federal income tax purposes, and are measured using the enacted tax rates and laws that are expected to be in effect when the differences reverse. We reduce deferred tax assets by recording a valuation allowance when we determine, based on available evidence, that it is more likely than not that the assets will not be realized. We recognize the tax consequences associated with intercompany transfers between the AIR Operating Partnership and TRS entities when such transactions occur. Please refer to Note 10 for further information about our income taxes.

Earnings Per Share and Unit

Earnings per Share and Unit

AIR and the AIR Operating Partnership calculate earnings per share and unit, respectively, based on the weighted-average number of shares of Common Stock or common OP units, participating securities, Common Stock or common unit equivalents, and dilutive convertible securities outstanding during the period. The AIR Operating Partnership considers both common OP units and equivalents, which have identical rights to distributions and undistributed earnings, to be common units for purposes of the earnings per unit computations. Please refer to Note 11 for further information regarding earnings per share and unit computations.

Use of Estimates

The preparation of our consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts included in the consolidated financial statements and accompanying notes thereto. Actual results could differ from those estimates.