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Stock-Based Compensation - Restricted Stock Unit Activity (Details) - DISH Network Awards - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Restricted Stock Units      
Restricted stock unit activity      
Total restricted stock units outstanding, beginning of period (in shares) 1,463,650 1,718,945 2,484,720
Granted (in shares) 1,470,505    
Vested (in shares) (697,660) (9,565) (10,475)
Forfeited and cancelled (in shares) (686,250) (245,730) (755,300)
Total restricted stock units outstanding, end of period (in shares) 1,550,245 1,463,650 1,718,945
Weighted- Average Grant Date Fair Value      
Total restricted stock units outstanding, beginning of period (in dollars per share) $ 50.82 $ 52.16 $ 51.16
Granted (in dollars per share) 32.92    
Vested (in dollars per share) 63.81 63.49 63.49
Forfeited and cancelled (in dollars per share) 35.14 59.86 48.51
Total restricted stock units outstanding, end of period (in dollars per share) $ 34.70 $ 50.82 $ 52.16
Performance Based Restricted Stock Units      
Restricted stock unit activity      
Total restricted stock units outstanding, beginning of period (in shares) 1,446,300 1,689,350  
Total restricted stock units outstanding, end of period (in shares) 1,543,750 1,446,300 1,689,350
Weighted- Average Grant Date Fair Value      
Total restricted stock units outstanding, beginning of period (in dollars per share) $ 50.66 $ 51.97  
Total restricted stock units outstanding, end of period (in dollars per share) $ 34.58 $ 50.66 $ 51.97