Chapter 11 Proceedings and Ability to continue as a Going Concern - Backstop Commitment Agreement (Details) - Backstop Commitment Agreement - USD ($) $ in Millions	Sep. 09, 2019	Jul. 01, 2019
Line of Credit Facility [Line Items]
Subscription rights to purchase exit notes	$ 1,600.0	$ 1,250.0
Increase in subscription rights to purchase exit notes	350.0
Cash paid to Commitment Parties	$ 18.7	$ 62.5

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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