The following table provides a brief description of recent accounting pronouncements (ASU) by the FASB that could have a material effect on our financial statements:



Standard	Description	Date of Adoption	Effect on the Financial Statements or Other Significant Matters

Standards adopted
ASU 2016-15, Statement of Cash Flows (Topic 230): Classification of Certain Cash Receipts and Cash Payments and ASU 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash	These standards amend the existing guidance and address specific cash flow issues with the objective of reducing existing diversity in practice. ASU 2016-15 addresses eight specific cash flow issues and ASU 2016-18 specifically addresses presentation of restricted cash and restricted cash equivalents in the statements of cash flows. These standards are effective for interim and annual reporting periods in fiscal years beginning after December 15, 2017, with early adoption permitted. These standards require a retrospective transition method to each period presented. If it is impracticable to apply the amendments retrospectively for some of the issues, entities may apply the amendments prospectively as of the earliest date practicable.	December 2017	Other than the revised statement of cash flows presentation of restricted cash, the adoption and implementation of these standards did not have a material impact on our financial statements. The standards were retrospectively applied to prior years.
ASU 2017‑05, Other Income—Gains and Losses from the Derecognition of Nonfinancial Assets (Subtopic 610-20): Clarifying the Scope of Asset Derecognition Guidance and Accounting for Partial Sales of Nonfinancial Assets	This standard clarifies the scope of recently established guidance on nonfinancial asset derecognition as well as the accounting for partial sales of nonfinancial assets. This update conforms the derecognition guidance on nonfinancial assets with the model for transactions in ASC 606. This standard is effective for interim and annual reporting periods in fiscal years beginning after December 15, 2017, with early adoption permitted. This standard may be adopted either retrospectively or on a modified retrospective basis.	December 2017	The adoption and implementation of this standard did not have an impact on our financial statements. In future periods, the adoption of this standard could have a material impact to our results of operations if we sell a significant partial interest in a real estate asset.
ASU 2017‑09, Compensation—Stock Compensation (Topic 718): Scope of Modification Accounting	This standard clarifies which changes to the terms or conditions of a share-based payment award are subject to the guidance on modification accounting under ASC Topic 718. Entities would apply the modification accounting guidance unless the value, vesting requirements and classification of a share-based payment award are the same immediately before and after a change to the terms or conditions of the award. This standard is effective for annual periods beginning after December 15, 2017, with early adoption permitted. This standard should be applied prospectively.	December 2017	The adoption and implementation of this standard did not have an impact on our financial statements. In future periods, if we encounter a change to the terms or conditions of any of our share-based payment awards, we will evaluate the need to apply modification accounting based on the new guidance. The general treatment for modifications of share-based payment awards is to record the incremental value arising from the change as additional compensation expense.
ASU 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities	The standard provides new guidance for the determination of eligibility for hedge accounting and effectiveness. It also amends the presentation and disclosure requirements. This standard is effective for interim and annual reporting periods in fiscal years beginning after December 15, 2018, with early adoption permitted. This standard requires a modified retrospective transition method which requires the recognition of the cumulative effect of the change on the opening balance of each affected component of equity in the statement of financial position as of the date of adoption.	October 2017	The adoption and implementation of this standard did not have a material impact on our financial statements.



Standard	Description	Date of Adoption	Effect on the Financial Statements or Other Significant Matters
ASU 2017‑01 Business Combinations (Topic 805): Clarifying the Definition of a Business	This standard provides guidance for determination of when an asset acquired or group of assets acquired is not a business. The standard requires that when substantially all of the fair value of the gross assets acquired (or disposed of) is concentrated in a single identifiable asset or a group of similar identifiable assets, the set is not a business. This standard reduces the number of transactions that need to be further evaluated. This standard is effective for annual periods beginning after December 15, 2017, with early adoption permitted. This standard should be applied prospectively.	September 2017	The adoption and implementation of this standard did not have an impact on our financial statements. In future periods, the adoption of this standard may result in the capitalization of costs associated with asset acquisitions.
Standards not yet adopted
ASU 2016-02, Leases (Topic 842), as clarified and amended by ASU 2018-01	This standard sets out the principles for the recognition, measurement, presentation and disclosure of leases for both lessees and lessors. ASU 2016-02 requires lessees to apply a dual approach, classifying leases as either finance or operating leases based on the principle of whether or not the lease is effectively a financed purchase. Lessees are required to record a right-of-use asset and a lease liability for all leases with a term of greater than 12 months. Leases with a term of 12 months or less will be accounted for similar to existing guidance for operating leases. Lessees will recognize expense based on the effective interest method for finance leases or on a straight-line basis for operating leases. The FASB has also clarified that an assessment of whether a land easement meets the definition of a lease under the new lease standard will be required. An entity with land easements that are not accounted for as leases under the current lease accounting standards, however, may elect a practical expedient to exclude those land easements from assessment under the new lease accounting standards. The provisions of this standard are effective for fiscal years beginning after December 15, 2018 and should be applied through a modified retrospective transition approach for leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements. Early adoption is permitted.	January 2019	We are currently evaluating the overall impact of the adoption of ASU 2016-02 on our financial statements, including the timing of adopting this standard. ASU 2016-02 will more significantly impact the accounting for leases in which we are the lessee. We have ground leases for which we will be required to record a right-of-use asset and lease liability equal to the present value of the remaining minimum lease payments upon adoption of this standard. Under ASU 2016-02, initial direct costs for both lessees and lessors would include only those costs that are incremental to the arrangement and would not have been incurred if the lease had not been obtained. As a result, we may no longer be able to capitalize internal leasing costs and instead may be required to expense these costs as incurred. Capitalization of internal leasing costs were $2.9 million, $2.5 million and $4.0 million for each of the three years in the period ended December 31, 2017. We do not have any significant land easements.
ASU 2014-09, Revenue from Contracts with Customers (Topic 606), as clarified and amended by ASU 2016-08, ASU 2016-10 and ASU 2016-12	This standard establishes a single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and supersedes most of the existing revenue recognition guidance. It requires an entity to recognize revenue when it transfers 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 and also requires certain additional disclosures. This standard is effective beginning after December 15, 2017, including interim reporting periods within that reporting period and may be adopted either retrospectively or on a modified retrospective basis.	January 2018	We will utilize the modified retrospective method of adoption. We completed our evaluation of the implementation of this standard, which included gathering and evaluating the inventory of our revenue streams. The standard excludes from its scope the areas of accounting that most significantly affect our revenue recognition, including accounting for leases and financial instruments. Therefore, the adoption of this standard is not expected to have a material impact on our financial statements. We expect this standard will have an impact on the timing of gains on future partial sales of real estate.