Financial Instruments and Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2020

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:

	December 31, 2019				June 30, 2020
	Carrying		Fair		Carrying		Fair
	amount		value		amount		value
	(In thousands)
Cash, cash equivalents and restricted cash	$	157,870	$	157,870	$	162,481	$	162,481