Recent Accounting Literature	3 Months Ended
Mar. 31, 2020
Recent Accounting Literature [Abstract]
Recent Accounting Literature	(2) Recent Accounting Literature: Recently Adopted Accounting Pronouncements Changes to the Disclosure Requirements for Fair Value Measurement In August 2018, the FASB issued ASU 2018-13, “Fair Value Measurement (Topic 820): Disclosure Framework – Changes to the Disclosure Requirements for Fair Value Measurement,” which adds, removes, and modifies certain disclosures required by ASC 820. ASU 2018-13 is effective for fiscal years beginning after December 15, 2019, and interim periods within those fiscal years. Early adoption is permitted. The standard’s new disclosures are not applicable for our interim periods and will be included in Frontier’s 10-K disclosures for our Level 3 assets. Simplifying the Accounting for Income Taxes In December 2019, the FASB issued ASU 2019-12, “Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes.” This standard simplifies the accounting for income taxes by removing certain exceptions to the general principles in Topic 740. The amendments also improve consistent application of and simplify GAAP for other areas of Topic 740 by clarifying and amending existing guidance. ASU 2019-12 is effective for fiscal years beginning after December 15, 2020, and interim periods within those fiscal years. Early adoption is permitted. Frontier adopted this standard effective for January 1, 2020, with no impact on our consolidated financial statements. Recent Accounting Pronouncements Not Yet Adopted Financial Instrument Credit Losses In June 2016, The FASB issued ASU 2016-13, “Financial Instruments – Credit Losses”. This standard, along with its amendments, update the current financial statement impairment model requiring entities to use a forward looking approach based on expected losses to estimate credit losses on certain types of financial instruments, including trade receivables. For the Company, ASU 2016-13 is effective for fiscal years beginning after December 15, 2022, with early adoption permitted. Frontier is currently still evaluating the impact of adopting this standard on our consolidated financial statements. Changes to the Disclosure Requirements for Defined Benefit Plans In August 2018, the FASB issued ASU 2018-14, "Compensation-Retirement Benefits-Defined Benefit Plans-General: Disclosure Framework-Changes to the Disclosure Requirements for Defined Benefit Plans." This standard eliminates requirements for certain disclosures that are not considered cost beneficial, clarifies certain required disclosures and adds additional disclosures under defined benefit pension plans and other postretirement plans. We are required to adopt this guidance beginning January 1, 2021. Early adoption is permitted. The amendments in the standard would need to be applied on a retrospective basis. Frontier is currently evaluating the impact of the adoption of this standard on our disclosures.

Recent Accounting Literature

3 Months Ended

Mar. 31, 2020

Recent Accounting Literature [Abstract]

(2) Recent Accounting Literature:

Recently Adopted Accounting Pronouncements

Changes to the Disclosure Requirements for Fair Value Measurement

In August 2018, the FASB issued ASU 2018-13, “Fair Value Measurement (Topic 820): Disclosure Framework – Changes to the Disclosure Requirements for Fair Value Measurement,” which adds, removes, and modifies certain disclosures required by ASC 820. ASU 2018-13 is effective for fiscal years beginning after December 15, 2019, and interim periods within those fiscal years. Early adoption is permitted. The standard’s new disclosures are not applicable for our interim periods and will be included in Frontier’s 10-K disclosures for our Level 3 assets.

Simplifying the Accounting for Income Taxes

In December 2019, the FASB issued ASU 2019-12, “Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes.” This standard simplifies the accounting for income taxes by removing certain exceptions to the general principles in Topic 740. The amendments also improve consistent application of and simplify GAAP for other areas of Topic 740 by clarifying and amending existing guidance. ASU 2019-12 is effective for fiscal years beginning after December 15, 2020, and interim periods within those fiscal years. Early adoption is permitted. Frontier adopted this standard effective for January 1, 2020, with no impact on our consolidated financial statements.

Recent Accounting Pronouncements Not Yet Adopted

Financial Instrument Credit Losses

In June 2016, The FASB issued ASU 2016-13, “Financial Instruments – Credit Losses”. This standard, along with its amendments, update the current financial statement impairment model requiring entities to use a forward looking approach based on expected losses to estimate credit losses on certain types of financial instruments, including trade receivables. For the Company, ASU 2016-13 is effective for fiscal years beginning after December 15, 2022, with early adoption permitted. Frontier is currently still evaluating the impact of adopting this standard on our consolidated financial statements.

Changes to the Disclosure Requirements for Defined Benefit Plans

In August 2018, the FASB issued ASU 2018-14, "Compensation-Retirement Benefits-Defined Benefit Plans-General: Disclosure Framework-Changes to the Disclosure Requirements for Defined Benefit Plans." This standard eliminates requirements for certain disclosures that are not considered cost beneficial, clarifies certain required disclosures and adds additional disclosures under defined benefit pension plans and other postretirement plans. We are required to adopt this guidance beginning January 1, 2021. Early adoption is permitted. The amendments in the standard would need to be applied on a retrospective basis. Frontier is currently evaluating the impact of the adoption of this standard on our disclosures.