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Other Long-Term Liabilities (Tables)

6 Months Ended

Jun. 30, 2022

Other Liabilities Disclosure [Abstract]

Other Long-Term Liabilities

Other long-term liabilities are summarized as follows (in thousands):

			June 30, 2022						December 31, 2021
Black lung obligations			$	34,515					$	34,482
Other			500						1,842
Total other long-term liabilities			$	35,015					$	36,324

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- Definition

Tabular disclosure of other noncurrent liabilities.

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