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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2021
Summary of Significant Accounting Policies  
Impairment of long-lived assets

For the Year Ended 

    

December 31, 2020

(In thousands)

T1 satellite

$

48,120

D1 satellite

55,000

Construction in progress related to narrowband IoT deployment

226,742

Operating lease assets related to narrowband IoT deployment

26,556

Impairment of long-lived assets

$

356,418