XML 70 R60.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 10 - Regulatory Capital Ratios (Details Textual)
6 Months Ended
Sep. 30, 2018
Jan. 01, 2019
Mar. 31, 2018
Common Equity Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets [1] 6.50%   6.50%
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets [1] 8.00%   8.00%
Capital Required to be Well Capitalized to Risk Weighted Assets [1] 10.00%   10.00%
Tier One Leverage Capital Required to be Well Capitalized to Average Assets [1] 5.00%   5.00%
Capital Conservation Buffer Level R Ratio 0.625%    
Capital Conservation Buffer Phase In Period 4 years    
Scenario, Forecast [Member]      
Capital Conservation Buffer Level R Ratio   2.50%  
[1] Under prompt corrective action