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Significant Accounting Policies Significant Accounting Policies (Tables) | 3 Months Ended
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Mar. 31, 2019
New Accounting Pronouncements and Changes in Accounting Principles [Abstract] |
Schedule of Prospective Accounting Standards, Not Yet Effective Or Adopted | Table 2.1 shows the relevant new amendments to accounting standards, which are not yet effective or adopted.
Standard / Interpretation
Table | 2.1 |  |
Amended Standards | Effective date
ASC 326 | Financial Instruments - Credit Losses |
| • | ASU 2016-13 - Measurement of Credit Losses on Financial Instruments | January 1, 2020
ASC 820 | Fair Value Measurement |
| • | ASU 2018-13 - Changes to the Disclosure Requirements for Fair Value Measurements | January 1, 2020
ASC 715 | Compensation - Retirement Benefits |
| • | ASU 2018-14 - Changes to the Disclosure Requirements for Defined Benefit Plans | January 1, 2021

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