Concentration of Credit Risk and Major Customers (Tables)

12 Months Ended

Dec. 31, 2024

Risks and Uncertainties [Abstract]

Schedule of Concentration of Credit Risk

Concentration of credit risk is summarized below:

	December 31,
	2024		2023
Electric coal utilities	$	30,162	$	28,870
Coal exporters and industrial customers	69,630		85,080
Steel and coke producers	33,126		29,340
Other	5,097		4,788
Total Trade Receivables	138,015		148,078
Less: Allowance for credit losses	(1,265)		(466)
Total Trade Receivables, net	$	136,750	$	147,612