|6 Months Ended|
Jun. 30, 2018
|Goodwill and Intangible Assets Disclosure [Abstract]|
The changes in the carrying amount of goodwill for the six months ended June 30, 2018 is summarized as follows:
The entire disclosure for goodwill.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef