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Cash, Cash Equivalents, and Restricted Cash (Tables)
12 Months Ended
Dec. 31, 2020
Cash, Cash Equivalents, and Restricted Cash  
Schedule of reconciliation of cash, cash equivalents, and restricted cash

December 31, 

(In thousands)

2020

2019

2018

Cash and cash equivalents

$

81,467

$

58,064

$

378,021

Restricted cash

833

833

833

Total cash, cash equivalents, and restricted cash shown on the
consolidated statements of cash flows

$

82,300

$

58,897

$

378,854