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Significant Accounting Policies (Policies)
3 Months Ended
Mar. 31, 2017
Accounting Policies [Abstract]  
Basis of presentation
Basis of presentation
The accompanying unaudited financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP") for interim financial information and the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all the information and footnotes required by GAAP for complete financial statements. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included. Operating results for the three months ended March 31, 2017 are not necessarily indicative of the results that may be expected for the year ending December 31, 2017. For further information, refer to the financial statements and footnotes included in our Form 10-K for the year ended December 31, 2016 as filed with the Securities and Exchange Commission on February 23, 2017.
Use of estimates
Use of estimates
The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period.  Actual results could differ from those estimates.
Recent accounting standards
Recently adopted accounting standards
In January 2017, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2017-03, "Accounting Changes and Error Corrections and Investments-Equity Method and Joint Ventures". ASU 2017-03 requires registrants to determine the appropriate financial statement disclosure about the potential material effects of recently issued ASUs on the financial statements when adopted. If the impact cannot be reasonably estimated, a statement to that effect should be made and consideration given to additional qualitative disclosures to assist the reader in assessing the significance of the impact to the financial statements. Qualitative disclosures should include a description of the effect of the accounting policies that are expected to apply and a comparison to current accounting policies, as well as the status of implementation and significant implementation matters yet to be addressed. This ASU also requires consistent application of the proportional amortization method to all investments in qualified affordable housing projects, if that accounting treatment is elected. This guidance was effective upon issuance. We have conformed our disclosures of recently issued but not yet adopted ASUs to be in accordance with this guidance. There is no impact on our financial statements related to the investments in qualified affordable housing projects, as these investments are immaterial and we have not elected to apply the proportional amortization method.

In August 2016, the FASB issued ASU 2016-15, "Statement of Cash Flows", which provides guidance on how certain cash receipts and cash payments are presented and classified to reduce diversity in practice. ASU 2016-15 is effective for interim and annual reporting periods beginning after December 31, 2017. Early adoption is permitted, including adoption in an interim period. There were no changes to the presentation in our Statements of Cash Flows resulting from this guidance.

Recently issued accounting standards
In March 2017, the FASB issued ASU 2017-07, "Compensation-Retirement Benefits", which requires the service cost component of net benefit costs be reported with other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net benefit costs are required to be presented separately from the service cost component and outside of income from operations. This amendment also allows only the service cost component to be eligible for capitalization when applicable. The guidance is effective for interim and annual periods beginning after December 15, 2017. We do not expect a material impact on our financial statements as although the presentation of the costs within the Statements of Operations will change, net income will not be affected.

In March 2017, the FASB issued ASU 2017-08, "Receivables-Nonrefundable Fees and Other Costs", which shortens the amortization period for certain purchased callable debt securities held at a premium, from maturity date to the earliest call date. ASU 2017-08 is effective for interim and annual reporting periods beginning after December 31, 2018. The guidance should be applied using a modified retrospective basis through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. Early adoption is permitted, including adoption in an interim period. We do not expect the adoption of this guidance to have a material impact on our financial statements.

In June 2016, the FASB issued ASU 2016-13, "Financial Instruments-Credit Losses", which requires financial assets measured at amortized cost to be presented at the net amount expected to be collected through the use of a new forward-looking expected loss model and credit losses relating to available-for-sale debt securities to be recognized through an allowance for credit losses. ASU 2016-13 is effective for interim and annual reporting periods beginning after December 15, 2019. Early adoption for interim and annual periods beginning after December 15, 2018 is permitted. We are currently evaluating the impact of this guidance on our invested assets. None of our current investments are measured at amortized cost, which are the investments that require the use of a new expected loss model. Our available-for-sale debt securities will continue to be evaluated for credit losses but this will be reflected as an allowance for credit losses rather than a reduction of the carrying value of the asset. We will begin evaluating the impact of recording reversals of credit losses in current period net income, which is prohibited under current guidance, in the second quarter of 2017. We are continuing to evaluate the impact of this guidance on any other financial instruments and disclosures.

In February 2016, the FASB issued ASU 2016-02, "Leases", which requires lessees to recognize assets and liabilities arising from operating leases on the statement of financial position and to disclose key information about leasing arrangements. ASU 2016-02 is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. In transition, lessees and lessors are required to recognize and measure leases at the beginning of the earliest period presented using a modified retrospective approach. Early adoption is permitted. We expect to adopt ASU 2016-02 as of January 1, 2019 using the modified retrospective method. Under existing guidance, we recognize lease expense as a component of operating expenses on the Statements of Operations. We are in the process of evaluating our existing lease contracts to determine the impact to our financial statements and disclosures.

In January 2016, the FASB issued ASU 2016-01, "Financial Instruments-Overall".  ASU 2016-01 revises the accounting related to the classification and measurement of investments in equity securities and the presentation of certain fair value changes for financial liabilities measured at fair value.  ASU 2016-01 is effective for interim and annual reporting periods beginning after December 15, 2017.  The fair value of our equity securities at March 31, 2017 is approximately $6 million. Recognizing the change in fair value of our equity securities through net income, instead of accumulated other comprehensive income as required under current guidance, would have resulted in $0.1 million reduction in fair value being recognized in the Statement of Operations for the quarter ended March 31, 2017.

In May 2014, the FASB issued ASU 2014-09, "Revenue from Contracts with Customers". ASU 2014-09 requires an entity to recognize revenue to depict the transfer of 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. The guidance is effective for fiscal years beginning after December 15, 2017, including interim periods within that reporting period with early application permitted beginning in the first interim period in 2017. We expect to adopt the ASU 2014-09 as of January 1, 2018 under the modified retrospective method where the cumulative effect is recognized at the date of initial application. Our evaluation of ASU 2014-09 is ongoing and not complete. The FASB has issued, and may issue in the future, interpretative guidance which may cause our evaluation to change. Based on the current guidance, we performed an analysis in accordance with the steps identified in the guidance around the recognition, measurement, and presentation of our two operating revenue streams; management fee revenue and service fee revenue. As a result of this analysis, we concluded that adoption of this guidance will not have a material impact on our revenue recognition patterns or our financial statements. We plan to begin evaluating the new disclosure requirements in the second quarter of 2017.
Earnings per share
Class A and Class B basic earnings per share and Class B diluted earnings per share are calculated under the two-class method. The two-class method allocates earnings to each class of stock based upon its dividend rights.  Class B shares are convertible into Class A shares at a conversion ratio of 2,400 to 1. See Note 9, "Capital Stock".

Class A diluted earnings per share are calculated under the if-converted method, which reflects the conversion of Class B shares to Class A shares. Diluted earnings per share calculations include the dilutive effect of assumed issuance of stock-based awards under compensation plans that have the option to be paid in stock using the treasury stock method.

Fair value of financial instruments
Our available-for-sale and trading securities are recorded at fair value, which is the price that would be received to sell the asset in an orderly transaction between willing market participants as of the measurement date.
 
Valuation techniques used to derive the fair value of our available-for-sale and trading securities are based upon observable and unobservable inputs.  Observable inputs reflect market data obtained from independent sources.  Unobservable inputs reflect our own assumptions regarding fair market value for these securities.  Although the majority of our prices are obtained from third party sources, we also perform an internal pricing review for securities with low trading volumes under current market conditions. Financial instruments are categorized based upon the following characteristics or inputs to the valuation techniques:
 
Level 1 – Quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity can access at the measurement date.

Level 2 – Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly.

Level 3 – Unobservable inputs for the asset or liability.
 
Estimates of fair values for our investment portfolio are obtained primarily from a nationally recognized pricing service.  Our Level 1 category includes those securities valued using an exchange traded price provided by the pricing service.  The methodologies used by the pricing service that support a Level 2 classification of a financial instrument include multiple verifiable, observable inputs including benchmark yields, reported trades, broker/dealer quotes, issuer spreads, two-sided markets, benchmark securities, bids, offers, and reference data.  Pricing service valuations for Level 3 securities are based upon proprietary models and are used when observable inputs are not available or in illiquid markets.
 
In limited circumstances we adjust the price received from the pricing service when, in our judgment, a better reflection of fair value is available based upon corroborating information and our knowledge and monitoring of market conditions such as a disparity in price of comparable securities and/or non-binding broker quotes.  In other circumstances, certain securities are internally priced because prices are not provided by the pricing service.
 
We perform continuous reviews of the prices obtained from the pricing service.  This includes evaluating the methodology and inputs used by the pricing service to ensure that we determine the proper classification level of the financial instrument.  Price variances, including large periodic changes, are investigated and corroborated by market data.  We have reviewed the pricing methodologies of our pricing service as well as other observable inputs, such as data, and transaction volumes and believe that their prices adequately consider market activity in determining fair value.  Our review process continues to evolve based upon accounting guidance and requirements.
 
When a price from the pricing service is not available, values are determined by obtaining broker/dealer quotes and/or market comparables.  When available, we obtain multiple quotes for the same security.  The ultimate value for these securities is determined based upon our best estimate of fair value using corroborating market information.  Our evaluation includes the consideration of benchmark yields, reported trades, issuer spreads, two-sided markets, benchmark securities, bids, offers, and reference data.
 
For certain securities in an illiquid market, there may be no prices available from a pricing service and no comparable market quotes available.  In these situations, we value the security using an internally-developed, risk-adjusted discounted cash flow model.
Fair value of financial instruments, transfers between levels
We review the fair value hierarchy classifications each reporting period.  Transfers between hierarchy levels may occur due to changes in the available market observable inputs.  Transfers in and out of level classifications are reported as having occurred at the beginning of the quarter in which the transfers occurred.
Investments - Limited partnerships
The majority of our limited partnership holdings are considered investment companies where the general partners record assets at fair value. These limited partnerships are recorded using the equity method of accounting and are generally reported on a one-quarter lag; therefore, our year-to-date limited partnership results through March 31, 2017 are comprised of partnership financial results for the fourth quarter of 2016.  Given the lag in reporting, our limited partnership results do not reflect the market conditions of the first quarter of 2017. We also own some real estate limited partnerships that do not meet the criteria of an investment company. These partnerships prepare audited financial statements on a cost basis. We have elected to report these limited partnerships under the fair value option, which is based on the NAV from our partner's capital statement reflecting the general partner's estimate of fair value for the fund's underlying assets. Fair value provides consistency in the evaluation and financial reporting for these limited partnerships and limited partnerships accounted for under the equity method. Cash contributions made to and distributions received from the partnerships are recorded in the period in which the transaction occurs.

Commitments and contingencies
We are involved in litigation arising in the ordinary course of conducting business.  In accordance with current accounting standards for loss contingencies and based upon information currently known to us, we establish reserves for litigation when it is probable that a loss associated with a claim or proceeding has been incurred and the amount of the loss or range of loss can be reasonably estimated.  When no amount within the range of loss is a better estimate than any other amount, we accrue the minimum amount of the estimable loss.  To the extent that such litigation against us may have an exposure to a loss in excess of the amount we have accrued, we believe that such excess would not be material to our financial condition, results of operations, or cash flows.  Legal fees are expensed as incurred.  We believe that our accruals for legal proceedings are appropriate and, individually and in the aggregate, are not expected to be material to our financial condition, results of operations, or cash flows.

We review all litigation on an ongoing basis when making accrual and disclosure decisions.  For certain legal proceedings, we cannot reasonably estimate losses or a range of loss, if any, particularly for proceedings that are in their early stages of development or where the plaintiffs seek indeterminate damages.  Various factors, including, but not limited to, the outcome of potentially lengthy discovery and the resolution of important factual questions, may need to be determined before probability can be established or before a loss or range of loss can be reasonably estimated.  If the loss contingency in question is not both probable and reasonably estimable, we do not establish an accrual and the matter will continue to be monitored for any developments that would make the loss contingency both probable and reasonably estimable.  In the event that a legal proceeding results in a substantial judgment against, or settlement by, us, there can be no assurance that any resulting liability or financial commitment would not have a material adverse effect on the financial condition, results of operations, or cash flows.