Year Ended December 31,

2022

2021

2020

(In thousands)

Supplemental operating and investing activities:

Net unrealized loss on 
   marketable securities

$

(68

)

$

(251

)

$

(54

)

 Reclassification between prepaid and other
   current assets and deposits and other assets

(5

)

—

—

Operating lease assets obtained in
   exchange for operating lease liabilities

—

—

3,575

Interest paid

$

5,154

$

2,704

$

388