Fair Value Measurement (Tables)

3 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Summary of Assets and Liabilities Carried at Fair Value

The assets and liabilities carried at fair value as of the periods presented were as follows:

	June 30, 2020
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets:
Derivative assets – diesel fuel contracts	$	106	$	—	$	106	$	—
Total assets at fair value on a recurring basis	$	106	$	—	$	106	$	—
Liabilities:
Derivative liabilities – diesel fuel contracts	$	1,216	$	—	$	1,216	$	—
Total liabilities at fair value on a recurring basis	$	1,216	$	—	$	1,216	$	—

	March 31, 2020
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets:
Derivative assets – diesel fuel contracts	$	36	$	—	$	36	$	—
Total assets at fair value on a recurring basis	$	36	$	—	$	36	$	—
Liabilities:
Derivative liabilities - diesel fuel contracts	$	2,228	$	—	$	2,228	$	—
Total liabilities at fair value on a recurring basis	$	2,228	$	—	$	2,228	$	—