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
6 Months Ended 9 Months Ended 12 Months Ended
Jan. 31, 2022
Jun. 30, 2022
Sep. 30, 2023
Sep. 30, 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   $ 2,900   $ 2,852