Asset impairment and restructuring (Tables)

12 Months Ended

Dec. 31, 2020

Asset impairment and restructuring

Schedule of Asset impairment charges

	Year Ended
	December 31,
Description	2020
	(In thousands)
Coal lands and mineral rights	$	33,197
Plant and equipment		43,197
Deferred development		76,807
Parts and Supplies		8,639
Equity Investment		36,167
Severance Pay - VSP		13,373
Other		10,000
	$	221,380