Recent Accounting Literature (Policy)	6 Months Ended
Jun. 30, 2022
Recent Accounting Literature [Abstract]
Recent Accounting Pronouncements Not Yet Adopted	Recent Accounting Pronouncements Not Yet Adopted Reference Rate Reform In March 2020, the FASB issued ASU 2020-04, "Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting". This standard provides optional expedients, and allows for certain exceptions to existing GAAP, for contract modifications triggered by the expected market transition of certain benchmark interest rates to alternative reference rates. The standard applies to contracts and other arrangements that reference the London Interbank Offering Rate (LIBOR) or any other rates ending after December 31, 2022. Frontier is evaluating the impact of the adoption of this standard, including optional expedients, on our consolidated financial statements. Government Assistance In November 2021, the FASB issued ASU 2021-10, which requires business entities to disclose information about certain government assistance they receive. Such disclosure requirements include the nature of the transactions and the related accounting policy used, the line items on the balance sheet and income statement that are affected and the amounts applicable to each financial statement line item and significant terms and conditions of the transactions. ASU 2021-10 will be effective for annual periods beginning after December 15, 2021 (year ending December 31, 2022 for the Company). Early adoption is permitted. The Company is currently evaluating the impact the adoption of ASU 2021-10 will have on its disclosures.

Recent Accounting Literature (Policy)

6 Months Ended

Jun. 30, 2022

Recent Accounting Literature [Abstract]

Recent Accounting Pronouncements Not Yet Adopted

Reference Rate Reform

In March 2020, the FASB issued ASU 2020-04, "Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting". This standard provides optional expedients, and allows for certain exceptions to existing GAAP, for contract modifications triggered by the expected market transition of certain benchmark interest rates to alternative reference rates. The standard applies to contracts and other arrangements that reference the London Interbank Offering Rate (LIBOR) or any other rates ending after December 31, 2022. Frontier is evaluating the impact of the adoption of this standard, including optional expedients, on our consolidated financial statements.

Government Assistance

In November 2021, the FASB issued ASU 2021-10, which requires business entities to disclose information about certain government assistance they receive. Such disclosure requirements include the nature of the transactions and the related accounting policy used, the line items on the balance sheet and income statement that are affected and the amounts applicable to each financial statement line item and significant

terms and conditions of the transactions. ASU 2021-10 will be effective for annual periods beginning after December 15, 2021 (year ending December 31, 2022 for the Company). Early adoption is permitted. The Company is currently evaluating the impact the adoption of ASU 2021-10 will have on its disclosures.