2. Summary of significant accounting policies

Basis of presentation

The accompanying unaudited consolidated financial statements include the accounts of PSB and its subsidiaries, including the OP. All significant inter-company balances and transactions have been eliminated in the consolidated financial statements. The financial statements are presented on an accrual basis in accordance with U.S. generally accepted accounting principles (“GAAP”) for interim financial information and with instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) necessary for a fair presentation have been included. Operating results for the three and nine months ended September 30, 2017 are not necessarily indicative of the results that may be expected for the year ended December 31, 2017. For further information, refer to the consolidated financial statements and footnotes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2016.

Consolidation and equity method of accounting

We consider entities to be Variable Interest Entities (“VIEs”) when they have insufficient equity to finance their activities without additional subordinated financial support provided by other parties, or the equity holders as a group do not have a controlling financial interest. A limited partnership is also generally considered a VIE if the limited partners do not participate in operating decisions. We consolidate VIEs when we are the primary beneficiary, generally defined as having (i) the power to direct the activities most significantly impacting economic performance and (ii) either the obligation to absorb losses or the right to receive benefits from the VIE.

We account for investments in entities that are not VIEs that we have significant influence over, but do not control, using the equity method of accounting. At September 30, 2017, we have an interest in a joint venture engaged in the development and operation of residential real estate, which we account for using the equity method of accounting. See Note 4 for more information on this entity.

PS, the sole limited partner in the OP, has no power to direct the activities of the OP. We are the primary beneficiary of the OP. Accordingly, we consider the OP a VIE and consolidate it. Substantially all of our assets and liabilities are held by the OP.

Noncontrolling interests

The PS OP Interest represents PS’s noncontrolling interest in the OP through its ownership of 7,305,355 common partnership units. See note 7 for further information.

Use of estimates

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

Allowance for doubtful accounts

The Company monitors the collectability of its receivable balances including the deferred rent receivable on an ongoing basis. Tenant receivables are net of an allowance for estimated uncollectible accounts totaling $400,000 at September 30, 2017 and December 31, 2016. Deferred rent receivable is net of an allowance for uncollectible accounts totaling $910,000 and $916,000 at September 30, 2017 and December 31, 2016, respectively.

Financial instruments

The methods and assumptions used to estimate the fair value of financial instruments are described below. The Company has estimated the fair value of financial instruments using available market information and appropriate valuation methodologies. Considerable judgment is required in interpreting market data to develop estimates of market value. Accordingly, estimated fair values are not necessarily indicative of the amounts that could be realized in current market exchanges. The Company determines the estimated fair value of 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 market assumptions. This hierarchy requires the use of observable market data when available. The following is the 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.

Financial assets that are exposed to credit risk consist primarily of cash and cash equivalents and receivables. The Company considers all highly liquid investments with a remaining maturity of three months or less at the date of purchase to be cash equivalents. Cash and cash equivalents, which consist primarily of money market investments, are only invested in entities with an investment grade rating. Receivables are comprised of balances due from a large number of customers. Balances that the Company expects to become uncollectible are reserved for or written off. Due to the short period to maturity of the Company’s cash and cash equivalents, accounts receivable, other assets and accrued and other liabilities, the carrying values as presented on the consolidated balance sheets are reasonable estimates of fair value.

Carrying values of the Company’s unsecured Credit Facility (as defined on page 15) approximate fair value. The characteristics of these financial instruments, market data and other comparative metrics utilized in determining these fair values are “Level 2” inputs.

Real estate facilities

Real estate facilities are recorded at cost. Property taxes, insurance, interest and costs essential to the development of property for its intended use are capitalized during the period of development. Costs related to the renovation or improvement of the properties are capitalized. Expenditures for repairs and maintenance are expensed as incurred. Expenditures that are expected to benefit a period greater than two years and exceed $2,000 are capitalized and depreciated over their estimated useful life. Buildings and improvements are depreciated using the straight-line method over their estimated useful lives, which generally range from five to 30 years. Transaction costs, which include tenant improvements and lease commissions, of $1,000 or more for leases with terms greater than one year are capitalized and depreciated over their estimated useful lives. Transaction costs less than $1,000 or for leases of one year or less are expensed as incurred.

Property held for disposition or development

Real estate is classified as held for disposition when the asset is being marketed for sale and we expect that a sale is likely to occur in the next 12 months. Real estate is classified as held for development when it is likely that it will be developed to an alternate use and no longer used in its present form. Property held for development or disposition is not depreciated.

Intangible assets/liabilities

When we acquire facilities, an intangible asset is recorded for leases where the in-place rent is higher than market rents, and an intangible liability is recorded where the market rents are higher than the in-place rents. The amounts recorded are based upon the present value (using a discount rate which reflects the risks associated with the leases acquired) of such differences over the lease term and such amounts are amortized to rental income over the respective remaining lease term.

We have no material intangible assets or liabilities for any periods presented.

Evaluation of asset impairment

We evaluate our real estate and finite-lived intangible assets for impairment each quarter. If there are indicators of impairment and we determine that the asset is not recoverable from future undiscounted cash flows to be received through the asset’s remaining life (or, if earlier, the expected disposal date), we record an impairment charge to the extent the carrying amount exceeds the asset’s estimated fair value or net proceeds from expected disposal.

We evaluate our investment in our unconsolidated joint venture on a quarterly basis. We record an impairment charge to the extent the carrying amount exceeds estimated fair value, when we believe any such shortfall is other than temporary.

No impairments were recorded in any of our evaluations for any period presented herein.

Stock compensation

All share-based payments to employees, including grants of employee stock options, are recognized as stock compensation in the Company’s consolidated statements of income based on their fair values at the beginning of the service period. See Note 11.

Accrued and other liabilities and other assets

Accrued and other liabilities consist primarily of rents prepaid by our tenants, trade payables, property tax accruals, accrued payroll and contingent loss accruals when probable and estimable. We disclose the nature of significant unaccrued losses that are reasonably possible of occurring and, if estimable, a range of exposure. Other assets are comprised primarily of prepaid expenses. We believe the fair value of our accrued and other liabilities and other assets approximate book value, due to the short period until settlement.

Revenue recognition

Revenue is recognized with respect to contractual arrangements when persuasive evidence of an arrangement exists; the delivery has occurred or services have been rendered; the fee is fixed or determinable; and collectability is reasonably assured. All leases are classified as operating leases. Rental income is recognized on a straight-line basis over the lease term, with the excess of cumulative rental income recognized over the cumulative rent billed for the lease term reflected as “deferred rent receivable” on our consolidated balance sheets. Reimbursements from tenants for real estate taxes and other recoverable operating expenses are recognized as rental income in the period the applicable costs are incurred. Property management fees are recognized in the period earned.

Costs incurred in acquiring tenants (primarily tenant improvements and lease commissions) are capitalized and amortized over the lease period.

Gains from sales of real estate facilities

The Company recognizes gains from sales of real estate facilities at the time of sale using the full accrual method, provided that various criteria related to the terms of the transactions and any subsequent involvement by the Company with the properties sold are met. If the criteria are not met, the Company defers the gains and recognizes them when the criteria are met or uses the installment or cost recovery methods as appropriate under the circumstances.

General and administrative expenses

General and administrative expenses include executive and other compensation, corporate office expenses, professional fees, acquisition transaction costs, state income taxes and other such costs that are not directly related to the operation of our real estate facilities.

Income taxes

We have elected to be treated as a REIT, as defined in the Internal Revenue Code of 1986, as amended (the “Code”). As a REIT, we do not incur federal income tax if we distribute 100% of our REIT taxable income each year, and if we meet certain organizational and operational rules. We believe we have met these REIT requirements for all periods presented herein. Accordingly, we have recorded no federal income tax expense related to our REIT taxable income.

We recognize tax benefits of uncertain income tax positions that are subject to audit only if we believe it is more likely than not that the position would ultimately be sustained assuming the relevant taxing authorities had full knowledge of the relevant facts and circumstances of our positions. As of September 30, 2017, we did not recognize any tax benefits for uncertain positions.

Accounting for preferred equity issuance costs

We record issuance costs as a reduction to paid-in capital on our consolidated balance sheets at the time the preferred securities are issued and reflect the carrying value of the preferred equity at its redemption value. An additional allocation of income is made from the common shareholders to the preferred shareholders in the amount of the original issuance costs, and we reclassify the redemption value from equity to liabilities when we call preferred shares for redemption.

Net income per common share

Notwithstanding the presentation of income allocations on our consolidated statements of income, net income is allocated to (a) preferred shareholders, for distributions paid, (b) preferred shareholders, to the extent redemption value exceeds the related carrying value (a “Preferred Redemption Allocation”) and (c) restricted share unit holders, for non-forfeitable dividends paid adjusted for participation rights in undistributed earnings. The remaining net income is allocated to the common partnership units and our common shareholders, respectively, based upon the pro-rata aggregate number of units and shares outstanding.

Basic and diluted net income per common share are each calculated based upon net income allocable to common shareholders, divided by (i) in the case of basic net income per common share, weighted average common shares and (ii) in the case of diluted income per share, weighted average common shares adjusted for the impact, if dilutive, of stock compensation awards outstanding (Note 11).

The following tables set forth the calculation of the components of our basic and diluted income per share that are not reflected on the face of our consolidated statements of income, including the allocation of income to common shareholders and common partnership units, the percentage of weighted average shares and common partnership units, as well as basic and diluted weighted average shares (in thousands):



	For The Three Months				For The Nine Months
	Ended September 30,				Ended September 30,
	2017		2016		2017		2016
Calculation of net income allocable to common shareholders
Net income	$	42,631	$	38,994	$	133,839	$	105,397
Less net income allocated to
Preferred shareholders based upon distributions		(12,590)		(13,833)		(38,472)		(41,498)
Preferred shareholders based upon redemptions		(6,900)		—		(6,900)		—
Restricted stock unit holders		(137)		(128)		(582)		(387)
Net income allocable to common shareholders
and noncontrolling interests		23,004		25,033		87,885		63,512
Net income allocation to noncontrolling interests		(4,866)		(5,315)		(18,610)		(13,495)
Net income allocable to common shareholders	$	18,138	$	19,718	$	69,275	$	50,017

Calculation of common partnership units as a percentage of common share equivalents
Weighted average common shares outstanding		27,226		27,103		27,192		27,076
Weighted average common partnership units outstanding		7,305		7,305		7,305		7,305
Total common share equivalents		34,531		34,408		34,497		34,381
Common partnership units as a percent of common
share equivalents		21.2%		21.2%		21.2%		21.2%

Weighted average common shares outstanding
Basic weighted average common shares outstanding		27,226		27,103		27,192		27,076
Net effect of dilutive stock compensation—based on
treasury stock method using average market price		201		98		207		90
Diluted weighted average common shares outstanding		27,427		27,201		27,399		27,166

Segment reporting

The Company views its operations as one segment.

Reclassifications

Certain reclassifications have been made to the consolidated financial statements for 2016 and in order to conform to the 2017 presentation, including reclassifying management fee income totaling $130,000 and $389,000 for the three and nine months ended September 30, 2016 into “interest and other income” on our consolidated statements of income.

Recently issued accounting standards

In May 2014 and February 2016, the Financial Accounting Standards Board issued two Accounting Standards Updates (“ASU”s), ASU 2014-09, Revenue from Contracts with Customers (the “Revenue Standard”), and ASU 2016-02, Leases (the “Lease Standard”). These standards apply to substantially all of our revenue generating activities, as well as provide a model to account for the disposition of real estate facilities to non-customers, which is governed under ASU 2017-05.

The Lease Standard will direct how we account for payments from the elements of our leases that are generally fixed and determinable at the inception of the lease (“Fixed Lease Payments”) while the Revenue Standard will direct how we account for the non-lease components of our lease contracts, primarily expense reimbursements (“Non-Lease Payments”) and the accounting for the disposition of real estate facilities.

The Revenue Standard is effective on January 1, 2018, and generally requires that revenue from Non-Lease Payments be based upon the consideration expected from our tenants, and be recognized under various methods depending upon the nature of the underlying expense and the contractual reimbursement arrangement. The standard permits either the retrospective (restatement) method or cumulative effects transition method and allowed for early adoption on January 1, 2017, which we did not elect. We expect to use the cumulative effects transition method, which will result in an adjustment to our retained earnings effective January 1, 2018 for the cumulative impact of the standard as of December 31, 2017. We do not expect this standard to have a material impact on our accounting for our facility management fees for property management services provided to PS or the disposition of real estate facilities as our accounting policy is consistent with the provisions of the standard. Rental income from leasing arrangements is a substantial portion of our revenues and is specifically excluded from the Revenue Standard and will be governed by the Lease Standard. In conjunction with the adoption of the Lease Standard, we are currently evaluating the impact of the standard as it relates to Non-Lease Payments.

The Lease Standard is effective on January 1, 2019. The standard provides definitional guidance of what constitutes a lease, requiring lessees to recognize most leases on the balance sheet and making certain changes to lessor accounting. For leases in which we are the lessor, we are required to account for Fixed Lease Payments on a straight-line basis, with the expected fixed payments recognized ratably over the term of the lease. The standard also requires capitalization of only the incremental costs incurred in executing each particular lease, such as legal fees to draft a lease or commissions based upon a particular lease. Costs that would have been incurred regardless of lease execution, such as allocated costs of internal personnel, are not capitalized. For most leases with a term of greater than 12 months, in which we are the lessee, the present value of future lease payments will be recognized on our balance sheet as a right-of-use asset and related labiality. As of September 30, 2017, the remaining contractual payments under our ground lease agreements aggregated $282,000. The standard requires a modified retrospective transition approach for all leases existing at or entered into after the beginning of the earliest comparative period presented in the financial statements on the date of initial application and allowed early adoption, which we did not elect. We do not expect that the Lease Standard will impact our accounting for Fixed Lease Payments, because our accounting policy is currently consistent with the provisions of the standard. We are currently evaluating the impact of the standard as it relates to the capitalization of costs associated with executed leases.

In August, 2016, the FASB issued ASU 2016-15, Classification of Certain Cash Receipts and Cash Payments, which provides guidance on the classification of certain specific cash receipts and cash payments in the statement of cash flows, including, but not limited to, cash distributions received from equity method investees, including unconsolidated joint ventures. The new standard is effective for periods beginning after December 15, 2017, with early adoption permitted and shall be applied retrospectively where practicable. The Company is currently in the process of evaluating the impact of adoption of the new accounting guidance on its consolidated financial statements.

In November, 2016, the FASB issued ASU 2016-18, Statement of Cash Flows (Topic 230) – Restricted Cash, which requires the statements of cash flows to explain the change during the period in the total cash, cash equivalents, restricted cash and restricted cash equivalents. The new guidance also requires entities to reconcile such total to amounts on the balance sheets and disclose the nature of the restrictions. The guidance is effective for public entities for fiscal years beginning after December 15, 2017 and for interim periods therein, with early adoption permitted. The guidance must be adopted using a modified retrospective approach. The Company does not expect the adoption of this standard to have a material impact on its consolidated financial statements.

In January, 2017, the FASB issued ASU 2017-01, Business Combinations (Topic 805) - Clarifying the Definition of a Business. Under the new guidance, a set of transferred assets and activities is not a business when substantially all of the fair value of the gross assets acquired is concentrated in a single identifiable asset or group of similar identifiable assets, which we believe will apply to substantially all of our future acquisitions of real estate facilities. Previously, such acquisitions were considered the acquisition of a business, and transaction costs of such acquisitions were expensed as incurred. Under the new guidance, transaction costs will instead be capitalized as part of the purchase price. This standard is effective for fiscal years beginning after December 15, 2017. We early adopted the standard on January 1, 2017; however, the adoption had no effect because we have not acquired any facilities since January 1, 2017.