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v3.10.0.1

Subsequent Event (Details) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2018 USD ($)
Scenario, Forecast [Member] |
Bankruptcy Claims, Amount of Claims Filed | $ 314

X
- Definition Amount of bankruptcy claim filed with bankruptcy court. + References No definition available. + Details
Name: | us-gaap_BankruptcyClaimsAmountOfClaimsFiled
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |