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Note 17 - Regulatory Capital Requirements and Restrictions on Dividends - (Details)
Dec. 31, 2019
security
Feb. 18, 2020
shares
The number of junior subordinated private placement debentures issued 4  
The number of junior subordinated private placement debentures assumed 3  
Outstanding shares (as a percent) 5.00%  
Maximum    
Shares repurchased | shares   800,000