Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Valuation of money market funds and restricted cash using quoted market prices in active markets for identical assets

Recurring fair value measurements not otherwise disclosed elsewhere in our Consolidated Financial Statements consist of the following:

	December 31,
	2019		2018
	(In thousands)
Cash equivalent money market funds (Level 1)	$	97,762	$	74,407
Restricted cash money market funds (Level 1)	610		2,589

Financial instruments that are not recorded at fair value

The following table presents the fair value of financial instruments that are not recorded at fair value on a recurring basis:

	December 31, 2019				December 31, 2018
	Fair Value		Carrying Value		Fair Value		Carrying Value
	(In thousands)
Senior notes (Level 1)	$	576,875	$	519,211	$	526,131	$	524,978
Revolving credit facilities and term loans (Level 2)	940,756		931,023		803,867		807,333
Total financial instruments	$	1,517,631	$	1,450,234	$	1,329,998	$	1,332,311