Derivative Transactions (Tables)

3 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Schedule of Cash Settlements and Net (Gains) and Net Losses on Mark-to-Market Adjustments for Changes in Fair Value of Derivative Contracts

The Company recorded net (gains) and net losses on mark-to-market adjustments for changes in the fair value of derivatives contracts as well as net (gains) and net losses on the settlement of derivative contracts as follows:

	Three Months Ended June 30,
	2020			2019
	(In thousands)
Diesel fuel option collars	$	(1,082	)	$	69
Interest rate swaps		—			1,726
Foreign exchange forward contracts		—			(7	)
Total net unrealized mark-to-market (gains) loss	$	(1,082	)	$	1,788
Diesel fuel option collars		840			7
Interest rate swaps		—			(166	)
Total net realized loss (gains)	$	840		$	(159	)