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Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2021
Summary of Significant Accounting Policies  
Impairment of long-lived assets

Impairment of long-lived assets recorded during the nine months ended September 30, 2020 consisted of the following:

For the Nine Months Ended 

September 30, 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