|12 Months Ended|
Dec. 31, 2016
|Goodwill and Intangible Assets Disclosure [Abstract]|
The carrying amount of goodwill and the changes in those balances are as follows (in thousands):
Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.
Reference 1: http://www.xbrl.org/2003/role/presentationRef