ASC 606 Revenue Recognition and Significant Accounting Policies Disclosures - Performance Obligation Narrative (Details)
$ in Millions
Dec. 31, 2018
|Revenue from Contract with Customer [Abstract]|
|Remaining performance obligation||$ 36.4|
Amount of transaction price allocated to performance obligation that has not been recognized as revenue.
Reference 1: http://www.xbrl.org/2003/role/disclosureRef