Unrecognized Tax Benefits in USD of ARCH RESOURCES, INC. from Q4 2015 to Q4 2023

Taxonomy & unit
us-gaap: USD
Description
Amount of unrecognized tax benefits.
Summary
Arch Resources, Inc. quarterly Unrecognized Tax Benefits history and change rate from Q4 2015 to Q4 2023.
  • Arch Resources, Inc. Unrecognized Tax Benefits for the quarter ending 31 Dec 2023 was $20.6M, a 13.9% increase year-over-year.
Unrecognized Tax Benefits, Quarterly (USD)
Unrecognized Tax Benefits, YoY Quarterly Change (%)

ARCH RESOURCES, INC. Quarterly Unrecognized Tax Benefits (USD)

Period Value YoY Chg Change % Date Report Filed
Q4 2023 $20.6M +$2.5M +13.9% 31 Dec 2023 10-K 15 Feb 2024
Q4 2022 $18.1M -$30.9M -63.1% 31 Dec 2022 10-K 15 Feb 2024
Q4 2021 $49M +$847K +1.76% 31 Dec 2021 10-K 15 Feb 2024
Q4 2020 $48.1M +$8.39M +21.1% 31 Dec 2020 10-K 15 Feb 2024
Q4 2019 $39.7M +$636K +1.63% 31 Dec 2019 10-K 16 Feb 2023
Q4 2018 $39.1M +$27.7M +243% 31 Dec 2018 10-K 16 Feb 2022
Q4 2017 $11.4M +$3.93M +52.7% 31 Dec 2017 10-K 12 Feb 2021
Q4 2016 $7.46M -$31.4M -80.8% 31 Dec 2016 10-K 11 Feb 2020
Q4 2015 $38.9M 31 Dec 2015 10-K 14 Feb 2019
* An asterisk sign (*) next to the value indicates that the value is likely invalid.