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Summary of Significant Accounting Policies | 12 Months Ended
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Dec. 31, 2019
Accounting Policies [Abstract] |
Summary of Significant Accounting Policies | Summary of Significant Accounting Policies Use of Estimates Management is required to make estimates and assumptions in the preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”). These estimates and assumptions affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from management’s estimates. Principles of Consolidation The consolidated financial statements include the accounts of Healthpeak Properties, Inc., its wholly-owned subsidiaries, joint ventures and variable interest entities that it controls through voting rights or other means. Intercompany transactions and balances have been eliminated upon consolidation. The Company is required to continually evaluate its variable interest entity (“VIE”) relationships and consolidate these entities when it is determined to be the primary beneficiary of their operations. A VIE is broadly defined as an entity where either: (i) the equity investment at risk is insufficient to finance that entity’s activities without additional subordinated financial support, (ii) substantially all of an entity’s activities either involve or are conducted on behalf of an investor that has disproportionately few voting rights, or (iii) the equity investors as a group lack any of the following: (a) the power through voting or similar rights to direct the activities of an entity that most significantly impact the entity’s economic performance, (b) the obligation to absorb the expected losses of an entity, or (c) the right to receive the expected residual returns of an entity. Criterion (iii) above is generally applied to limited partnerships and similarly structured entities by assessing whether a simple majority of the limited partners hold substantive rights to participate in the significant decisions of the entity or have the ability to remove the decision maker or liquidate the entity without cause. If neither of those criteria are met, the entity is a VIE. The designation of an entity as a VIE is reassessed upon certain events, including, but not limited to: (i) a change to the contractual arrangements of the entity or in the ability of a party to exercise its participation or kick-out rights, (ii) a change to the capitalization structure of the entity, or (iii) acquisitions or sales of interests that constitute a change in control. A variable interest holder is considered to be the primary beneficiary of a VIE if it has the power to direct the activities of a VIE that most significantly impact the entity’s economic performance and has the obligation to absorb losses of, or the right to receive benefits from, the entity that could potentially be significant to the VIE. The Company qualitatively assesses whether it is (or is not) the primary beneficiary of a VIE. Consideration of various factors include, but is not limited to, its form of ownership interest, its representation on the VIE’s governing body, the size and seniority of its investment, its ability and the rights of other investors to participate in policy making decisions, its ability to manage its ownership interest relative to the other interest holders, and its ability to replace the VIE manager and/or liquidate the entity. For its investments in joint ventures that are not considered to be VIEs, the Company evaluates the type of ownership rights held by the limited partner(s) that may preclude consolidation by the majority interest holder. The assessment of limited partners’ rights and their impact on the control of a joint venture should be made at inception of the joint venture and continually reassessed. Revenue Recognition Lease Classification At the inception of a new lease arrangement, including new leases that arise from amendments, the Company assesses the terms and conditions to determine the proper lease classification. For leases entered into prior to January 1, 2019, a lease arrangement is classified as an operating lease if none of the following criteria are met: (i) transfer of ownership to the lessee prior to or shortly after the end of the lease term, (ii) lessee has a bargain purchase option during or at the end of the lease term, (iii) the lease term is equal to 75% or more of the underlying property’s economic life, or (iv) the present value of future minimum lease payments (excluding executory costs) is equal to 90% or more of the excess fair value (over retained tax credits) of the leased property. If one of the four criteria is met and the minimum lease payments are determined to be reasonably predictable and collectible, the lease arrangement is generally accounted for as a direct financing lease (“DFL”). Concurrent with the Company's adoption of Accounting Standards Update ("ASU") No. 2016-02, Leases (“ASU 2016-02”) on January 1, 2019, the Company began classifying a lease entered into subsequent to adoption as an operating lease if none of the following criteria are met: (i) transfer of ownership to the lessee by the end of the lease term, (ii) lessee has a purchase option during or at the end of the lease term that it is reasonably certain to exercise, (iii) the lease term is for the major part of the remaining economic life of the underlying asset, (iv) the present value of future minimum lease payments is equal to substantially all of the fair value of the underlying asset, or (v) the underlying asset is of such a specialized nature that it is expected to have no alternative use to the Company at the end of the lease term. Rental and Related Revenues The Company commences recognition of rental revenue for operating lease arrangements when the tenant has taken possession or controls the physical use of a leased asset. The tenant is not considered to have taken physical possession or have control of the leased asset until the Company-owned tenant improvements are substantially complete. If a lease arrangement provides for tenant improvements, the Company determines whether the tenant improvements are owned by the tenant or the Company. When the Company is the owner of the tenant improvements, any tenant improvements funded by the tenant are treated as lease payments which are deferred and amortized into income over the lease term. When the tenant is the owner of the tenant improvements, any tenant improvement allowance that is funded by the Company is treated as a lease incentive and amortized as a reduction of revenue over the lease term. Ownership of tenant improvements is determined based on various factors including, but not limited to, the following criteria: •lease stipulations of how and on what a tenant improvement allowance may be spent;
• | which party to the arrangement retains legal title to the tenant improvements upon lease expiration;
•whether the tenant improvements are unique to the tenant or general purpose in nature; •if the tenant improvements are expected to have significant residual value at the end of the lease term; •the responsible party for construction cost overruns; and •which party constructs or directs the construction of the improvements. Certain leases provide for additional rents that are contingent upon a percentage of the facility’s revenue in excess of specified base amounts or other thresholds. Such revenue is recognized when actual results reported by the tenant or estimates of tenant results, exceed the base amount or other thresholds, and only after any contingency has been removed (when the related thresholds are achieved). This may result in the recognition of rental revenue in periods subsequent to when such payments are received. Tenant recoveries subject to operating leases generally relate to the reimbursement of real estate taxes, insurance, and repairs and maintenance expense, and are recognized as both revenue (in rental and related revenues) and expense (in operating expenses) in the period the expense is incurred as the Company is the party paying the service provider. For operating leases with minimum scheduled rent increases, the Company recognizes income on a straight line basis over the lease term when collectibility of future minimum lease payments is probable. Recognizing rental income on a straight line basis results in a difference in the timing of revenue amounts from what is contractually due from tenants. If the Company determines that collectibility of future minimum lease payments is not probable, the straight-line rent receivable balance is written off and recognized as a decrease in revenue in that period and future revenue recognition is limited to amounts contractually owed and paid. Resident Fees and Services Resident fee revenue is recorded when services are rendered and includes resident room and care charges, community fees and other resident charges. Residency agreements for SHOP facilities are generally for a term of 30 days to one year, with resident fees billed monthly, in advance. Revenue for certain care related services is recognized as services are provided and is billed monthly in arrears. Certain of the Company's continuing care retirement communities ("CCRCs") are operated as entrance fee communities, which typically require a resident to pay an upfront entrance fee that includes both a refundable portion and non-refundable portion. When the Company receives a nonrefundable entrance fee, it is recognized as deferred revenue and amortized into revenue over the estimated stay of the resident. Income from Direct Financing Leases The Company utilizes the direct finance method of accounting to record DFL income. For a lease accounted for as a DFL, the net investment in the DFL represents receivables for the sum of future minimum lease payments and the estimated residual value of the leased property, less the unamortized unearned income. Unearned income is deferred and amortized to income over the lease term to provide a constant yield when collectibility of the lease payments is reasonably assured. Interest Income Loans receivable are classified as held-for-investment based on management’s intent and ability to hold the loans for the foreseeable future or to maturity. Loans held-for-investment are carried at amortized cost and reduced by a valuation allowance for estimated credit losses, as necessary. The Company recognizes interest income on loans, including the amortization of discounts and premiums, loan fees paid and received, using the interest method. The interest method is applied on a loan-by-loan basis when collectibility of the future payments is reasonably assured. Premiums and discounts are recognized as yield adjustments over the term of the related loans. Gain (loss) on sales of real estate, net The Company recognizes a gain (loss) on sale of real estate when the criteria for an asset to be derecognized are met, which include when: (i) a contract exists, (ii) the buyer obtains control of the asset, and (iii) it is probable that the Company will receive substantially all of the consideration to which it is entitled. These criteria are generally satisfied at the time of sale. Credit Losses The Company evaluates the liquidity and creditworthiness of its tenants, operators, and borrowers on a monthly and quarterly basis. The Company’s evaluation considers industry and economic conditions, individual and portfolio property performance, credit enhancements, liquidity, and other factors. The Company’s tenants, operators, and borrowers furnish property, portfolio, and guarantor/operator-level financial statements, among other information, on a monthly or quarterly basis; the Company utilizes this financial information to calculate the lease or debt service coverages that it uses as a primary credit quality indicator. Lease and debt service coverage information is evaluated together with other property, portfolio, and operator performance information, including revenue, expense, net operating income, occupancy, rental rate, reimbursement trends, capital expenditures, and EBITDA (defined as earnings before interest, tax, and depreciation and amortization), along with other liquidity measures. The Company evaluates, on a monthly basis or immediately upon a significant change in circumstance, its tenants’, operators’, and borrowers’ ability to service their obligations with the Company. If it is no longer probable that substantially all future minimum lease payments under operating leases will be received, the straight-line rent receivable balance is written off and recognized as a decrease in revenue in that period. In connection with the Company’s quarterly review process or upon the occurrence of a significant event, loans receivable and DFLs (collectively, “Finance Receivables”), are reviewed and assigned an internal rating of Performing, Watch List, or Workout. Finance Receivables that are deemed Performing meet all present contractual obligations, and collection and timing, of all amounts owed is reasonably assured. Watch List Finance Receivables are defined as Finance Receivables that do not meet the definition of Performing or Workout. Workout Finance Receivables are defined as Finance Receivables in which the Company has determined, based on current information and events, that: (i) it is probable it will be unable to collect all amounts due according to the contractual terms of the agreement, (ii) the tenant, operator, or borrower is delinquent on making payments under the contractual terms of the agreement, and (iii) the Company has commenced action or anticipates pursuing action in the near term to seek recovery of its investment. Finance Receivables are placed on nonaccrual status when management determines that the collectibility of contractual amounts is not reasonably assured (the asset will have an internal rating of either Watch List or Workout). Further, the Company performs a credit analysis to support the tenant’s, operator’s, borrower’s, and/or guarantor’s repayment capacity and the underlying collateral values. The Company uses the cash basis method of accounting for Finance Receivables placed on nonaccrual status unless one of the following conditions exist whereby it utilizes the cost recovery method of accounting if: (i) the Company determines that it is probable that it will only recover the recorded investment in the Finance Receivable, net of associated allowances or charge-offs (if any), or (ii) the Company cannot reasonably estimate the amount of an impaired Finance Receivable. For cash basis method of accounting, the Company applies payments received, excluding principal paydowns, to interest income so long as that amount does not exceed the amount that would have been earned under the original contractual terms. For cost recovery method of accounting, any payment received is applied to reduce the recorded investment. Generally, the Company returns a Finance Receivable to accrual status when all delinquent payments become current under the terms of the loan or lease agreements and collectibility of the remaining contractual loan or lease payments is reasonably assured. Prior to the adoption of ASU No. 2016-13, Measurement of Credit Losses on Financial Instruments (“ASU 2016-13”) on January 1, 2020, allowances were established for Finance Receivables on an individual basis utilizing an estimate of probable losses, if they were determined to be impaired. Finance Receivables were impaired when it was deemed probable that the Company would be unable to collect all amounts due in accordance with the contractual terms of the Finance Receivable. An allowance was based upon the Company’s assessment of the borrower’s overall financial condition, economic resources, payment record, the prospects for support from any financially responsible guarantors and, if appropriate, the net realizable value of any collateral. These estimates considered all available evidence, including the expected future cash flows discounted at the Finance Receivable’s effective interest rate, fair value of collateral, general economic conditions and trends, historical and industry loss experience, and other relevant factors, as appropriate. If a Finance Receivable was deemed partially or wholly uncollectible, the uncollectible balance was charged off against the allowance in the period in which the uncollectible determination was made. Subsequent to adopting ASU 2016-13 on January 1, 2020, the Company began using a loss model that relies on future expected credit losses, rather than incurred losses, as was required under historical U.S. GAAP. Under the new model, the Company is required to recognize future credit losses expected to be incurred over the life of a Financing Receivable at inception of that instrument. The model emphasizes historical experience and future market expectations to determine a loss to be recognized at inception. However, the model continues to be applied on an individual basis and to rely on counter-party specific information to ensure the most accurate estimate is recognized. Real Estate The Company’s real estate acquisitions are generally classified as asset acquisitions for which the Company records identifiable assets acquired, liabilities assumed, and any associated noncontrolling interests at cost on a relative fair value basis. In addition, for such asset acquisitions, no goodwill is recognized, third party transaction costs are capitalized and any associated contingent consideration is generally recorded when the amount of consideration is reasonably estimable and probable of being paid. The Company assesses fair value based on available market information, such as capitalization and discount rates, comparable sale transactions, and relevant per square foot or unit cost information. A real estate asset’s fair value may be determined utilizing cash flow projections that incorporate such market information. Estimates of future cash flows are based on a number of factors including historical operating results, known and anticipated trends, as well as market and economic conditions. The fair value of tangible assets of an acquired property is based on the value of the property as if it is vacant. The Company recognizes acquired “above and below market” leases at their relative fair value (for asset acquisitions) using discount rates which reflect the risks associated with the leases acquired. The fair value is based on the present value of the difference between (i) the contractual amounts paid pursuant to each in-place lease and (ii) management’s estimate of fair market lease rates for each in-place lease, measured over a period equal to the remaining term of the lease for above market leases and the initial term plus the extended term for any leases with renewal options that are reasonably certain to be exercised. Other intangible assets acquired include amounts for in-place lease values that are based on an evaluation of the specific characteristics of each property and the acquired tenant lease(s). Factors considered include estimates of carrying costs during hypothetical expected lease-up periods, market conditions, and costs to execute similar leases. In estimating carrying costs, the Company includes estimates of lost rents at market rates during the hypothetical expected lease-up periods, which are dependent on local market conditions and expected trends. In estimating costs to execute similar leases, the Company considers leasing commissions, legal, and other related costs. Certain of the Company's acquisitions involve the assumption of contract liabilities. The Company typically estimates the fair value of contract liabilities by applying a reasonable profit margin to the total discounted estimated future costs associated with servicing the contract. A variety of market and contract-specific conditions are considered when making assumptions that impact the estimated fair value of the contract liability. The Company capitalizes direct construction and development costs, including predevelopment costs, interest, property taxes, insurance, and other costs directly related and essential to the development or construction of a real estate asset. The Company capitalizes construction and development costs while substantive activities are ongoing to prepare an asset for its intended use. The Company considers a construction project as substantially complete and held available for occupancy upon the completion of Company-owned tenant improvements, but no later than one year from cessation of significant construction activity. Costs incurred after a project is substantially complete and ready for its intended use, or after development activities have ceased, are expensed as incurred. For redevelopment of existing operating properties, the Company capitalizes the cost for the construction and improvement incurred in connection with the redevelopment. Costs previously capitalized related to abandoned developments/redevelopments are charged to earnings. Expenditures for repairs and maintenance are expensed as incurred. The Company considers costs incurred in conjunction with re-leasing properties, including tenant improvements and lease commissions, to represent the acquisition of productive assets and such costs are reflected as investing activities in the Company’s consolidated statement of cash flows. The Company computes depreciation on properties using the straight-line method over the assets’ estimated useful lives. Depreciation is discontinued when a property is identified as held for sale. Buildings and improvements are depreciated over useful lives ranging up to 60 years. Above and below market lease intangibles are amortized to revenue over the remaining noncancellable lease terms and renewal periods that are reasonably certain to be exercised, if any. In-place lease intangibles are amortized to expense over the remaining noncancellable lease term and renewal periods that are reasonably certain to be exercised, if any. Concurrent with the Company's adoption of ASU 2016-02 on January 1, 2019, the Company elected to recognize expense associated with short-term leases (those with a noncancellable lease term of 12 months or less) under which the Company is the lessee on a straight-line basis and not recognize those leases on its consolidated balance sheets. For leases other than short-term operating leases under which the Company is the lessee, such as ground leases and corporate office leases, the Company recognizes a right-of-use asset and related lease liability on its consolidated balance sheet at inception of the lease. The lease liability is calculated as the sum of: (i) the present value of minimum lease payments at lease commencement (discounted using the Company's secured incremental borrowing rate) and (ii) the present value of amounts probable of being paid under any residual value guarantees. The right-of-use asset is calculated as the lease liability, adjusted for the following: (i) any lease payments made to the lessor at or before the commencement date, minus any lease incentives received and (ii) any initial direct costs incurred by the Company. Impairment of Long-Lived Assets and Goodwill The Company assesses the carrying value of real estate assets and related intangibles (“real estate assets”) when events or changes in circumstances indicate that the carrying value may not be recoverable. The Company tests its real estate assets for impairment by comparing the sum of the expected future undiscounted cash flows to the carrying value of the real estate assets. The expected future undiscounted cash flows reflect external market factors and are probability-weighted to reflect multiple possible cash-flow scenarios, including selling the assets at various points in the future. Further, the analysis considers the impact, if any, of master lease agreements on cash flows, which are calculated utilizing the lowest level of identifiable cash flows that are largely independent of the cash flows of other assets and liabilities. If the carrying value exceeds the expected future undiscounted cash flows, an impairment loss will be recognized to the extent that the carrying value of the real estate assets exceeds their fair value. Determining the fair value of real estate assets, including assets classified as held-for-sale, involves significant judgment and generally utilizes market capitalization rates, comparable market transactions, estimated per unit or per square foot prices, negotiations with prospective buyers, and forecasted cash flows (lease revenue rates, expense rates, growth rates, etc.). When testing goodwill for impairment, if the Company concludes that it is more likely than not that the fair value of a reporting unit is less than its carrying value, the Company recognizes an impairment loss for the amount by which the carrying value, including goodwill, exceeds the reporting unit’s fair value. Assets Held for Sale and Discontinued Operations The Company classifies a real estate property as held for sale when: (i) management has approved the disposal, (ii) the property is available for sale in its present condition, (iii) an active program to locate a buyer has been initiated, (iv) it is probable that the property will be disposed of within one year, (v) the property is being marketed at a reasonable price relative to its fair value, and (vi) it is unlikely that the disposal plan will significantly change or be withdrawn. If an asset is classified as held for sale, it is reported at the lower of its carrying value or fair value less costs to sell and no longer depreciated. A discontinued operation represents: (i) a component of an entity or group of components that has been disposed of or is classified as held for sale in a single transaction and represents a strategic shift that has or will have a major effect on the Company’s operations and financial results or (ii) an acquired business that is classified as held for sale on the date of acquisition. Examples of a strategic shift may include disposing of: (i) a separate major line of business, (ii) a separate major geographic area of operations, or (iii) other major parts of the Company. Investments in Unconsolidated Joint Ventures Investments in entities the Company does not consolidate, but over which the Company has the ability to exercise significant influence over operating and financial policies, are reported under the equity method of accounting. Under the equity method of accounting, the Company’s share of the investee’s earnings or losses is included in equity income (loss) from unconsolidated joint ventures within the Company’s consolidated statements of operations. The initial carrying value of investments in unconsolidated joint ventures is based on the amount paid to purchase the joint venture interest, the fair value of assets contributed to the joint venture, or the fair value of the assets prior to the sale of interests in the joint venture. To the extent that the Company’s cost basis is different from the basis reflected at the joint venture level, the basis difference is generally amortized over the lives of the related assets and liabilities, and such amortization is included in the Company’s share of equity in earnings of the joint venture. The Company evaluates its equity method investments for impairment based on a comparison of the fair value of the equity method investment to its carrying value. When the Company determines a decline in fair value below carrying value of an investment in an unconsolidated joint venture is other-than-temporary, an impairment is recorded. The Company recognizes gains on the sale of interests in joint ventures to the extent the economic substance of the transaction is a sale. The Company’s fair values of its equity method investments are determined based on discounted cash flow models that include all estimated cash inflows and outflows over a specified holding period and, where applicable, any estimated debt premiums or discounts. Capitalization rates, discount rates, and credit spreads utilized in these valuation models are based on assumptions that the Company believes to be within a reasonable range of current market rates for the respective investments. Share-Based Compensation Compensation expense for share-based awards granted to employees with graded vesting schedules is generally recognized on a straight-line basis over the vesting period. Forfeitures of share-based awards are recognized as they occur. Cash and Cash Equivalents and Restricted Cash Cash and cash equivalents consist of cash on hand and short-term investments with original maturities of three months or less when purchased. Restricted cash primarily consists of amounts held by mortgage lenders to provide for: (i) real estate tax expenditures, (ii) tenant improvements, and (iii) capital expenditures, as well as security deposits and net proceeds from property sales that were executed as tax-deferred dispositions. Derivatives and Hedging During its normal course of business, the Company uses certain types of derivative instruments for the purpose of managing interest rate and foreign currency risk. To qualify for hedge accounting, derivative instruments used for risk management purposes must effectively reduce the risk exposure that they are designed to hedge. In addition, at inception of a qualifying cash flow hedging relationship, the underlying transaction or transactions, must be, and are expected to remain, probable of occurring in accordance with the Company’s related assertions. The Company recognizes all derivative instruments, including embedded derivatives that are required to be bifurcated, as assets or liabilities to the consolidated balance sheets at fair value. Changes in fair value of derivative instruments that are not designated in hedging relationships or that do not meet the criteria of hedge accounting are recognized in earnings. For derivative instruments designated in qualifying cash flow hedging relationships, changes in fair value related to the effective portion of the derivative instruments are recognized in accumulated other comprehensive income (loss), whereas changes in fair value of the ineffective portion are recognized in earnings. If it is determined that a derivative instrument ceases to be highly effective as a hedge, or that it is probable the underlying forecasted transaction will not occur, the Company discontinues its cash flow hedge accounting prospectively and records the appropriate adjustment to earnings based on the current fair value of the derivative instrument. For net investment hedge accounting, upon sale or liquidation of the hedged investment, the cumulative balance of the remeasurement value is reclassified to earnings. Income Taxes Healthpeak Properties, Inc. has elected REIT status and believes it has always operated so as to continue to qualify as a REIT under Sections 856 to 860 of the Internal Revenue Code of 1986, as amended (the “Code”). Accordingly, Healthpeak Properties, Inc. will generally not be subject to U.S. federal income tax, provided that it continues to qualify as a REIT and makes distributions to stockholders equal to or in excess of its taxable income. In addition, the Company has formed several consolidated subsidiaries that have elected REIT status. Healthpeak Properties, Inc. and its consolidated REIT subsidiaries are each subject to the REIT qualification requirements under the Code. If any REIT fails to qualify as a REIT in any taxable year, it will be subject to federal income taxes at regular corporate rates and may be ineligible to qualify as a REIT for four subsequent tax years. Healthpeak Properties, Inc. and its consolidated REIT subsidiaries are subject to state, local, and/or foreign income taxes in some jurisdictions. In certain circumstances each REIT may also be subject to federal excise taxes on undistributed income. In addition, certain activities that the Company undertakes may be conducted by entities that have elected to be treated as taxable REIT subsidiaries (“TRSs”). TRSs are subject to federal, state, and local income taxes. The Company recognizes tax penalties relating to unrecognized tax benefits as additional income tax expense. Interest relating to unrecognized tax benefits is recognized as interest expense. Capital Raising Issuance Costs Costs incurred in connection with the issuance of common shares are recorded as a reduction of additional paid-in capital. Debt issuance costs related to debt instruments, excluding line of credit arrangements and commercial paper, are deferred, recorded as a reduction of the related debt liability, and amortized to interest expense over the remaining term of the related debt liability utilizing the effective interest method. Debt issuance costs related to line of credit arrangements and commercial paper are deferred, included in other assets, and amortized to interest expense on a straight-line basis over the remaining term of the related line of credit arrangement. Commercial paper are unsecured short-term debt securities with varying maturities. A line of credit serves as a liquidity backstop for repayment of commercial paper borrowings. Penalties incurred to extinguish debt and any remaining unamortized debt issuance costs, discounts, and premiums are recognized as income or expense in the consolidated statements of operations at the time of extinguishment. Segment Reporting The Company’s reportable segments, based on how it evaluates its business and allocates resources, are as follows: (i) senior housing triple-net, (ii) SHOP, (iii) life science, and (iv) medical office. During the first quarter of 2019, as a result of a change in how operating results are reported to the Company's chief operating decision makers for the purpose of evaluating performance and allocating resources, two facilities were reclassified from other non-reportable segments to the medical office segment. Accordingly, all prior period segment information has been recast to conform to the current period presentation. Noncontrolling Interests Arrangements with noncontrolling interest holders are assessed for appropriate balance sheet classification based on the redemption and other rights held by the noncontrolling interest holder. Net income (loss) attributable to a noncontrolling interest is included in net income (loss) on the consolidated statements of operations and, upon a gain or loss of control, the interest purchased or sold, and any interest retained, is recorded at fair value with any gain or loss recognized in earnings. The Company accounts for purchases or sales of equity interests that do not result in a change in control as equity transactions. The Company consolidates non-managing member limited liability companies (“DownREITs”) because it exercises control, and the noncontrolling interests in these entities are carried at cost. The non-managing member limited liability company (“LLC”) units (“DownREIT units”) are exchangeable for an amount of cash approximating the then-current market value of shares of the Company’s common stock or, at the Company’s option, shares of the Company’s common stock (subject to certain adjustments, such as stock splits and reclassifications). Upon exchange of DownREIT units for the Company’s common stock, the carrying amount of the DownREIT units is reclassified to stockholders’ equity. Foreign Currency Translation and Transactions Assets and liabilities denominated in foreign currencies that are translated into U.S. dollars use exchange rates in effect at the end of the period, and revenues and expenses denominated in foreign currencies that are translated into U.S. dollars use average rates of exchange in effect during the related period. Gains or losses resulting from translation are included in accumulated other comprehensive income (loss). Gains or losses resulting from foreign currency transactions are translated into U.S. dollars at the rates of exchange prevailing at the dates of the transactions. The effects of transaction gains or losses are included in other income (expense), net in the consolidated statements of operations. Fair Value Measurement The Company measures and discloses the fair value of nonfinancial and financial assets and liabilities utilizing a hierarchy of valuation techniques based on whether the inputs to a fair value measurement are considered to be observable or unobservable in a marketplace. Observable inputs reflect market data obtained from independent sources, while unobservable inputs reflect the Company’s market assumptions. This hierarchy requires the use of observable market data when available. These inputs have created the following fair value hierarchy:
• | Level 1—quoted prices for identical instruments in active markets;
• | Level 2—quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which significant inputs and significant value drivers are observable in active markets; and
• | Level 3—fair value measurements derived from valuation techniques in which one or more significant inputs or significant value drivers are unobservable.
The Company measures fair value using a set of standardized procedures that are outlined herein for all assets and liabilities that are required to be measured at fair value. When available, the Company utilizes quoted market prices to determine fair value and classifies such items in Level 1. In instances where a market price is available, but the instrument is in an inactive or over-the-counter market, the Company consistently applies the dealer (market maker) pricing estimate and classifies the asset or liability in Level 2. If quoted market prices or inputs are not available, fair value measurements are based on valuation models that utilize current market or independently sourced market inputs, such as interest rates, option volatilities, credit spreads, and/or market capitalization rates. Items valued using such internally-generated valuation techniques are classified according to the lowest level input that is significant to the fair value measurement. As a result, the asset or liability could be classified in either Level 2 or Level 3 even though there may be some significant inputs that are readily observable. Internal fair value models and techniques used by the Company include discounted cash flow models. The Company also considers its counterparty’s and own credit risk for derivative instruments and other liabilities measured at fair value. The Company has elected the mid-market pricing expedient when determining fair value. Earnings per Share Basic earnings per common share is computed by dividing net income (loss) applicable to common shares by the weighted average number of shares of common stock outstanding during the period. The Company accounts for unvested share-based payment awards that contain non-forfeitable dividend rights or dividend equivalents (whether paid or unpaid) as participating securities, which are included in the computation of earnings per share pursuant to the two-class method. Diluted earnings per common share is calculated by including the effect of dilutive securities, such as the impact of forward equity sales agreements using the treasury stock method and common shares issuable from the assumed conversion of DownREIT units, stock options, certain performance restricted stock units, and unvested restricted stock units. Recent Accounting Pronouncements Adopted Revenue Recognition. Between May 2014 and February 2017, the Financial Accounting Standards Board (“FASB”) issued four ASUs changing the requirements for recognizing and reporting revenue (together, herein referred to as the “Revenue ASUs”): (i) ASU No. 2014-09, Revenue from Contracts with Customers (“ASU 2014-09”), (ii) ASU No. 2016-08, Principal versus Agent Considerations (Reporting Revenue Gross versus Net) (“ASU 2016-08”), (iii) ASU No. 2016-12, Narrow-Scope Improvements and Practical Expedients (“ASU 2016-12”), and (iv) ASU No. 2017-05, Clarifying the Scope of Asset Derecognition Guidance and Accounting for Partial Sales of Nonfinancial Assets (“ASU 2017-05”). ASU 2014-09 provides guidance for revenue recognition to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. ASU 2016-08 is intended to improve the operability and understandability of the implementation guidance on principal versus agent considerations. ASU 2016-12 provides practical expedients and improvements on the previously narrow scope of ASU 2014-09. ASU 2017-05 clarifies the scope of the FASB’s guidance on nonfinancial asset derecognition and aligns the accounting for partial sales of nonfinancial assets and in-substance nonfinancial assets with the guidance in ASU 2014-09. The Company adopted the Revenue ASUs effective January 1, 2018 and utilized a modified retrospective adoption approach, resulting in a cumulative-effect adjustment to equity of $79 million as of January 1, 2018. Under the Revenue ASUs, the Company also elected to utilize a practical expedient which allowed the Company to only reassess contracts that were not completed as of the adoption date, rather than all historical contracts. As the timing and recognition of the majority of the Company's revenue is the same whether accounted for under the Revenue ASUs or lease accounting guidance (see discussion below), the impact of the Revenue ASUs, upon and subsequent to adoption, is generally limited to the following:
• | Prior to the adoption of the Revenue ASUs, the Company recognized a gain on sale of real estate using the full accrual method when collectibility of the sales price was reasonably assured, the Company was not obligated to perform additional activities that may be considered significant, the initial investment from the buyer was sufficient, and other profit recognition criteria had been satisfied. The Company deferred all or a portion of a gain on sale of real estate if the requirements for gain recognition were not met at the time of sale. Subsequent to adopting the Revenue ASUs on January 1, 2018, the Company began recognizing a gain on sale of real estate upon transferring control of the asset to the purchaser, which is generally satisfied at the time of sale. In conjunction with its adoption of the Revenue ASUs, the Company reassessed its historical partial sale of real estate transactions to determine which transactions, if any, were not completed contracts (i.e., the transaction did not qualify for sale treatment under previous guidance). The Company concluded that it had one such material transaction, its partial sale of RIDEA II in the first quarter of 2017 (which was not a completed sale under historical guidance as of the Company's adoption date due to a minor obligation related to the interest sold). In accordance with the Revenue ASUs, the Company recorded its retained 40% equity investment at fair value as of the sale date. As a result, the Company recorded an adjustment to equity as of January 1, 2018 (under the modified retrospective transition approach) representing a step-up in the fair value of its equity investment in RIDEA II of $107 million (to a carrying value of $121 million as of January 1, 2018) and a $30 million impairment charge to decrease the carrying value to the sales price of the investment (see Note 4). The Company completed the sale of its equity investment in June 2018 and no longer holds an economic interest in RIDEA II.
• | The Company generally expects that the Revenue ASUs will result in certain transactions qualifying as sales of real estate at an earlier date than under historical accounting guidance.
Leases. In February 2016, the FASB issued ASU No. 2016-02, Leases (“ASU 2016-02”). ASU 2016-02 (codified under Accounting Standards Codification (“ASC”) 842, Leases) amends the previous accounting for leases to: (i) require lessees to put most leases on their balance sheets (not required for short-term leases with lease terms of 12 months or less), but continue recognizing expenses on their income statements in a manner similar to requirements under prior accounting guidance, (ii) eliminate real estate specific lease provisions, and (iii) modify the classification criteria and accounting for sales-type leases for lessors. Additionally, ASU 2016-02 provides a practical expedient, which the Company elected, that allows an entity to not reassess the following upon adoption (must be elected as a group): (i) whether an expired or existing contract contains a lease arrangement, (ii) lease classification related to expired or existing lease arrangements, or (iii) whether costs incurred on expired or existing leases qualify as initial direct costs. As a result of adopting ASU 2016-02 on January 1, 2019 using the modified retrospective transition approach, the Company recognized a cumulative-effect adjustment to equity of $1 million as of January 1, 2019. Under ASU 2016-02, the Company began capitalizing fewer costs related to the drafting and negotiation of its lease agreements. Additionally, the Company began recognizing all of its significant operating leases for which it is the lessee, including corporate office leases, equipment leases, and ground leases, on its consolidated balance sheets as a lease liability and corresponding right-of-use asset. As such, the Company recognized a lease liability of $153 million and right-of-use asset of $166 million on January 1, 2019. The aggregate lease liability is calculated as the present value of minimum lease payments, discounted using a rate that approximates the Company's secured incremental borrowing rate, adjusted for the noncancelable term of each lease. The right-of-use asset is calculated as the aggregate lease liability, adjusted for the existing accrued straight-line rent liability balance of $20 million and net unamortized above/below market ground lease intangible assets of $33 million. Under ASU 2016-02, a practical expedient was offered to lessees to make a policy election, which the Company elected, to not separate lease and nonlease components, but rather account for the combined components as a single lease component under ASC 842. In July 2018, the FASB issued ASU No. 2018-11, Leases - Targeted Improvements (“ASU 2018-11”), which provides lessors with a similar option to elect a practical expedient allowing them to not separate lease and nonlease components in a contract for the purpose of revenue recognition and disclosure. This practical expedient is limited to circumstances in which: (i) the timing and pattern of transfer are the same for the nonlease component and the related lease component and (ii) the lease component, if accounted for separately, would be classified as an operating lease. This practical expedient causes an entity to assess whether a contract is predominantly lease or service based and recognize the entire contract under the relevant accounting guidance (i.e., predominantly lease-based would be accounted for under ASU 2016-02 and predominantly service-based would be accounted for under the Revenue ASUs). The Company elected this practical expedient as well and, as a result, beginning January 1, 2019, the Company recognizes revenue from its senior housing triple-net, medical office, and life science segments under ASC 842 and revenue from its SHOP segment under the Revenue ASUs (codified under ASC 606, Revenue from Contracts with Customers). In December 2018, the FASB issued ASU No. 2018-20, Narrow Scope Improvements for Lessors (“ASU 2018-20”), which requires that a lessor: (i) exclude certain lessor costs paid directly by a lessee to third parties on behalf of the lessor from a lessor's measurement of variable lease revenue and associated expense (i.e., no gross up of revenue and expense for these costs,) and (ii) include lessor costs that are paid by the lessor and reimbursed by the lessee in the measurement of variable lease revenue and the associated expense (i.e., gross up revenue and expense for these costs). This is consistent with the Company’s historical presentation and did not require a change on January 1, 2019. Other. Effective January 1, 2019, the Company adopted ASU No. 2017-12, Targeted Improvements to Accounting for Hedging Activities (“ASU 2017-12”). The amendments in ASU 2017-12 expand and refine hedge accounting for both nonfinancial and financial risk components and align the recognition and presentation of the effects of the hedging instrument and the hedged item in the financial statements. For cash flow and net investment hedges existing at the date of adoption, the Company adopted the amendments in ASU 2017-12 using the modified retrospective approach. For amendments impacting presentation and disclosure, the Company adopted ASU 2017-12 using a prospective approach. The adoption of ASU 2017-12 did not have a material impact to the Company's consolidated financial position, results of operations, cash flows, or disclosures. Not Yet Adopted Credit Losses. In June 2016, the FASB issued ASU 2016-13. ASU 2016-13 is intended to improve financial reporting by requiring timelier recognition of credit losses on loans and other financial instruments held by financial institutions and other organizations. The amendments in ASU 2016-13 eliminate the “probable” initial threshold for recognition of credit losses in current accounting guidance and, instead, reflect an entity’s current estimate of all expected credit losses over the life of the financial instrument. Previously, when credit losses were measured under current accounting guidance, an entity generally only considered past events and current conditions in measuring the incurred loss. The amendments in ASU 2016-13 broaden the information that an entity must consider in developing its expected credit loss estimate for assets measured either collectively or individually. The use of forecasted information incorporates more timely information in the estimate of expected credit loss. ASU 2016-13 is effective for fiscal years, and interim periods within, beginning after December 15, 2019. Early adoption is permitted for fiscal years, and interim periods within, beginning after December 15, 2018. A reporting entity is required to apply the amendments in ASU 2016-13 using a modified retrospective approach by recording a cumulative-effect adjustment to equity as of the beginning of the fiscal year of adoption. A prospective transition approach is required for debt securities for which an other-than-temporary impairment had been recognized before the effective date. Upon adoption of ASU 2016-13, the Company is required to reassess its financing receivables, including DFLs and loans receivable, and expects that application of ASU 2016-13 may result in the Company recognizing credit losses at an earlier date than would otherwise be recognized under current accounting guidance. The Company is evaluating the impact of the adoption of ASU 2016-13 on January 1, 2020 to its consolidated financial position and results of operations.

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