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Credit Facility (Narrative) (Details) - Town Bank [Member] - USD ($)
3 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Credit Agreement [Member]    
Line of Credit Facility [Line Items]    
Unused line fees 0.00%  
Outstanding borrowings $ 0 $ 0
Credit Agreement [Member] | Revolving Credit Facility [Member]    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 5,000,000  
Credit Agreement [Member] | Letter of Credit [Member]    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity $ 1,000,000  
Amended Credit Agreement [Member] | Revolving Credit Facility [Member] | Prime Rate [Member]    
Line of Credit Facility [Line Items]    
Spread on variable interest rate 1.50%