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Commitments and Contingencies - Additional Information (Details) | 6 Months Ended
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Jun. 30, 2021 USD ($) satellite | Jun. 30, 2020 USD ($)
Loss Contingencies [Line Items] |  |
Number of replacement satellites | satellite | 1 |
Increase in non subscription transmissions rate | 17.00% |
Increase in subscription transmissions rate | 8.00% |
Copyright Royalty Board Proceeding to Determine the Rate for Statutory Webcasting |  |
Loss Contingencies [Line Items] |  |
Webcaster fee, non-subscription (USD per transmission) | $ 0.0021 | $ 0.0018
Webcaster fee, subscription (USD per transmission) | 0.0026 | $ 0.0024
Surety Bond |  |
Loss Contingencies [Line Items] |  |
Estimate of possible loss | 45,000,000 |
Royalty Arrangement |  |
Loss Contingencies [Line Items] |  |
Prepayments made of minimum guarantee payments | 5,000,000 |
Future minimum guarantee payments | 700,000,000 |
Other commitment, to be paid, year one | $ 265,000,000 |
Minimum |  |
Loss Contingencies [Line Items] |  |
Operating lease obligations, term (years) | 1 year |
Maximum |  |
Loss Contingencies [Line Items] |  |
Operating lease obligations, term (years) | 15 years |
XM-5, FM-5, FM-6, XM-3, and XM-4 |  |
Loss Contingencies [Line Items] |  |
Operating performance over design life | 15 years |
XM-4 |  |
Loss Contingencies [Line Items] |  |
Period beyond expected operating performance of design life for XM-4 | 5 years |
XM-4 | Maximum |  |
Loss Contingencies [Line Items] |  |
Additional payments required if XM-4 continues to operate above baseline specifications | $ 10,000,000 |

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