|12 Months Ended|
Dec. 31, 2018
|Summary of Changes to Carrying Amount of Goodwill||
The following is a summary of the changes to the carrying amount of goodwill as of December 31, 2018 and 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