Income Taxes Tax Return Filing Determinations and Elections (Details) - USD ($) $ in Millions |
8 Months Ended | 9 Months Ended | |
|---|---|---|---|
Aug. 19, 2009 |
Sep. 30, 2016 |
Oct. 06, 2009 |
|
| Income Tax Contingency [Line Items] | |||
| Acquisition Date | Oct. 06, 2009 | ||
| Formation of LLP | Aug. 19, 2009 | ||
| Internal Revenue Service (IRS) | IRS NOPA | |||
| Income Tax Contingency [Line Items] | |||
| Adjustment recorded | $ 0 | ||