|9 Months Ended|
Sep. 30, 2018
|Summary of Changes to Carrying Amount of Goodwill||
The following is a summary of the changes to the carrying amount of goodwill for the nine months ended September 30, 2018 and the year ended December 31, 2017:
Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef