Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Tax Years Subject to Examination (Details)

v3.8.0.1
Income Taxes - Schedule of Tax Years Subject to Examination (Details)
12 Months Ended
Dec. 31, 2017
Domestic Tax Authority [Member] | Earliest Tax Year [Member]  
Open tax year 2013
Domestic Tax Authority [Member] | Latest Tax Year [Member]  
Open tax year 2017
State and Local Jurisdiction [Member] | Earliest Tax Year [Member]  
Open tax year 2012
State and Local Jurisdiction [Member] | Latest Tax Year [Member]  
Open tax year 2017