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Accounting Standards | 12 Months Ended
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Dec. 31, 2020
New Accounting Pronouncements And Changes In Accounting Principles [Abstract] |
Accounting Standards | (3) Accounting Standards Recently Adopted Financial Instruments – Credit Losses In September 2016, an accounting standards update was issued that changes the impairment model for trade receivables, net investments in leases, debt securities, loans and certain other instruments. The standards update requires the use of a forward-looking “expected loss” model as opposed to the current “incurred loss” model. This new standards update was effective for us in first quarter 2020. The adoption of this standards update did not have a material impact on our financial statements. Fair Value Measurement In August 2018, an accounting standards update was issued which provides additional disclosure requirements for fair value measurements. This new standards update eliminates the requirement to disclose transfers between Level 1 and Level 2 of the fair value hierarchy and provides for additional disclosures for Level 3 fair value measurements. This new standards update was effective for us in first quarter 2020. The adoption of this standards update did not have a material impact on our financial statements. Not Yet Adopted None that are expected to have a material impact.

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- Definition The entire disclosure for change in accounting principle. 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