Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Acquisition Activity (Details Textual)

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Note 5 - Acquisition Activity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Jan. 31, 2022
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Jan. 28, 2022
Dec. 31, 2021
Payments to Acquire Businesses, Net of Cash Acquired, Total   $ (0) $ (33,799)      
Share Price (in dollars per share)         $ 47.75  
Goodwill   $ 22,395 22,395 $ 22,395   $ 11,109
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 56,706          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets       (409)    
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment       (48)    
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Equity Interests       79    
Goodwill, Purchase Accounting Adjustments       (378)    
Goodwill 11,286     $ 11,500    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Gross Loans 456,700          
Business Combination, Acquisition Related Costs     $ 2,852      
Royal Financial, Inc. [Member] | Unlikely to be Collected Financing Receivable [Member]            
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Gross Loans $ 6,100