XML 122 R108.htm IDEA: XBRL DOCUMENT v3.8.0.1
Note 19 - Regulatory Restrictions (Details Textual)
Jan. 01, 2019
Dec. 31, 2017
Jan. 01, 2016
Dec. 31, 2014
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]        
Common Equity Tier1 Capital to Risk Weighted Assets, Actual, Ratio   4.50%    
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets   6.00%   4.00%
Capital Required for Capital Adequacy to Risk Weighted Assets   8.00%    
Tier One Leverage Capital to Average Assets   4.00%    
Capital Conservation Buffer     0.625%  
Capital Conservation Buffer Annual Phase-in     0.625%  
Scenario, Forecast [Member]        
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]        
Capital Conservation Buffer 2.50%