Summary of Significant Accounting Policies Goodwill (Tables)
|12 Months Ended|
Dec. 31, 2016
|Goodwill [Line Items]|
|Summary of Goodwill Amounts by Reporting Unit||
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.
No definition available.
Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.
Reference 1: http://www.xbrl.org/2003/role/presentationRef