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Asset Impairment
12 Months Ended
Dec. 31, 2021
Asset Impairment Charges [Abstract]  
Asset Impairment Asset Impairment
During the year end December 31, 2023, the Company recognized impairment charges of $2.0 million related to the fair value of an investment in equity securities. During the year ended December 31, 2022, the Company recognized impairment charges of $9.5 million related to the sale of certain land interests in Australia and $1.7 million related to the fair value of an investment in equity securities. No asset impairment charges were recognized during the year ended December 31, 2021.
The Company identified certain assets with an aggregate carrying value of approximately $224 million at December 31, 2023 in its Other U.S. Thermal segment whose recoverability is most sensitive to customer concentration risk.