Quarterly report pursuant to Section 13 or 15(d)

Securities (Details Textual)

v3.8.0.1
Securities (Details Textual) - USD ($)
$ in Millions
Mar. 31, 2018
Dec. 31, 2017
Schedule of Available-for-sale Securities [Line Items]    
Trading Securities Pledged as Collateral $ 17.3 $ 21.2