Annual report pursuant to Section 13 and 15(d)

Regulatory Capital (Details Textual)

v3.8.0.1
Regulatory Capital (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Nov. 17, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2018
Regulatory Capital [Line Items]        
Common Stock, Dividends, Per Share, Declared $ 0.29 $ 1.15 $ 1.11  
Scenario, Forecast [Member]        
Regulatory Capital [Line Items]        
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval       $ 10.2