Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Principles - Revenue Recognition (Details)

v3.6.0.2
Summary of Significant Accounting Principles - Revenue Recognition (Details)
12 Months Ended
Dec. 31, 2016
Accounting Policies [Abstract]  
Period uncollected fees are written off for credit receivables 180 days
Period uncollected fees are written off 60 days