Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Acquisition Activity (Details Textual)

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Note 3 - Acquisition Activity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Jan. 31, 2022
Jan. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Jan. 28, 2022
Dec. 31, 2021
Payments to Acquire Businesses, Net of Cash Acquired, Total     $ (33,799) $ (0)    
Share Price (in dollars per share)         $ 47.75  
Goodwill, Ending Balance     22,774     $ 11,109
Loans and Leases Receivable, Net of Deferred Income     1,439,728     $ 966,720
Royal Financial, Inc. [Member]            
Business Combination, Shares Issued Per Share (in dollars per share) $ 0.4609          
Business Acquisition, Right to Receive, Share Price (in dollars per share) $ 20.14          
Business Acquisition, Percentage of Share Outstanding Can Be Converted to Right to Receive Shares 65.00%          
Business Acquisition, Percentage of Share Outstanding Can Be Converted to Right to Receive Cash 35.00%          
Business Combination, Maximum Number of Shares to Receive Cash (in shares) 101          
Business Acquisition, Maximum Right to Receive, Share Price (in dollars per share) $ 20.14          
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) 795,423          
Payments to Acquire Businesses, Net of Cash Acquired, Total $ 18,700          
Business Combination, Consideration Transferred, Total 56,700 $ 56,627        
Goodwill, Ending Balance 11,700 $ 11,664 11,700      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Gross Loans $ 456,700          
Loans and Leases Receivable, Net of Deferred Income     443,800      
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual     3,200      
Business Combination, Acquisition Related Costs     2,852      
Royal Financial, Inc. [Member] | Unlikely to be Collected Financing Receivable [Member]            
Loans and Leases Receivable, Net of Deferred Income     $ 6,100