Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Segment Information and Off Balance Sheet Risk (Details)

v3.8.0.1
Summary of Significant Accounting Policies - Segment Information and Off Balance Sheet Risk (Details)
12 Months Ended
Dec. 31, 2017
segment
item
Summary of Significant Accounting Policies  
Number of operating segments | segment 1
Number of financial instruments with off-balance sheet risk | item 0