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Fair Value Measurements (Tables)
 3 Months Ended
Mar. 31, 2019
Fair Value Disclosures [Abstract]  
Schedule Of Fair Value Of Assets
As of March 31, 2019 and December 31, 2018, the Company had the following assets measured at fair value on a recurring basis:
 
Fair Value Measurements at Reporting Date Using
 
Total
 
Level 1
 
Level 2
 
Level 3
Assets
(in thousands)
As of March 31, 2019
 
 
 
 
 
 
 
Mutual funds(1)
$
21,654

 
$
21,654

 
$
—

 
$
—

Money market funds(1)
1,944

 
—

 
1,944

 
—

 
$
23,598

 
$
21,654

 
$
1,944

 
$
—

As of December 31, 2018
 
 
 
 
 
 
 
Mutual funds(1)
$
19,378

 
$
19,378

 
$
—

 
$
—

Money market funds(1)
1,923

 
—

 
1,923

 
—

 
$
21,301

 
$
19,378

 
$
1,923

 
$
—

(1) Included in Investments, employee benefit plans at fair value and Other current assets on the consolidated balance sheets.