Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Summary of Financial Instruments Not Carried at Fair Value

The following table presents the financial instruments that are not carried at fair value but which require fair value disclosure as of December 31, 2018 and 2019:

	December 31, 2018				December 31, 2019
	Carrying amount		Fair value		Carrying amount		Fair value
	(In thousands)
Cash, cash equivalents and restricted cash	$	120,989	$	120,989	$	157,870	$	157,870
Noncontrolling interest in CompX common stock		19,443		22,871		22,707		24,627