Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Remaining Performance Obligations and Practical Expedients) (Details)

v3.10.0.1
Revenue Recognition (Remaining Performance Obligations and Practical Expedients) (Details)
6 Months Ended
Jun. 30, 2018
Revenue From Contract With Customer [Abstract]  
Practical expedient, incremental cost of obtaining contract True
Optional exemption, performance obligation True