|9 Months Ended|
Sep. 30, 2018
|Goodwill and Intangible Assets Disclosure [Abstract]|
The change in the carrying amount of goodwill for the nine months ended September 30, 2018 is summarized as follows:
The entire disclosure for goodwill.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef