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Performance-Based Common Stock Warrants - Purchase Level and Number of Warrants to Vest (Details) - Common Stock Purchase Warrants - Supply Threshold | Mar. 09, 2016 USD ($) shares
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Class of Warrant or Right [Line Items] |
Aggregate level of purchases, threshold one | $ | $ 260,000,000
Aggregate level of purchases, threshold two | $ | 300,000,000
Aggregate level of purchases, threshold three | $ | $ 340,000,000
Incremental Warrants That Will Vest January 1, 2016 - December 31, 2017 |
$260 million threshold (in shares) | 100,000
$300 million threshold (in shares) | 75,000
$340 million threshold (in shares) | 75,000
Maximum Potential Warrants Earned by Comcast (in shares) | 250,000
Incremental Warrants That Will Vest January 1, 2018 - December 31, 2019 |
$260 million threshold (in shares) | 100,000
$300 million threshold (in shares) | 75,000
$340 million threshold (in shares) | 75,000
Maximum Potential Warrants Earned by Comcast (in shares) | 250,000
Incremental Warrants That Will Vest January 1, 2020 - December 31, 2021 |
$260 million threshold (in shares) | 75,000
$300 million threshold (in shares) | 75,000
$340 million threshold (in shares) | 75,000
Maximum Potential Warrants Earned by Comcast (in shares) | 225,000

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