Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2018

Fair Value Disclosures [Abstract]

Summary of Financial Assets and Liabilities Accounted for at Fair Value

The table below sets forth, by level, the Company’s financial assets and liabilities that are recorded at fair value in the accompanying Condensed Consolidated Balance Sheet: 

	March 31, 2018
	Total		Level 1		Level 2		Level 3
	(In thousands)
Assets:
Investments in marketable securities	$	144,652	$	56,677	$	87,975	$	—
Derivatives	11,262		1,882		4,411		4,969
Total assets	$	155,914	$	58,559	$	92,386	$	4,969
Liabilities:
Derivatives	$	786	$	—	$	786	$	—

Summary of Change in the Fair Values of Financial Instruments Categorized as Level 3

The following table summarizes the change in the fair values of financial instruments categorized as Level 3.

	Three Months Ended March 31, 2018
	(In thousands)
Balance, beginning of period	$	5,426
Realized and unrealized gains recognized in earnings, net	25
Purchases	833
Issuances	(74		)
Settlements	(1,241		)
Ending balance	$	4,969