v3.26.1
Commitments and Contingent Liabilities (Details)
 6 Months Ended
Jun. 30, 2026
USD ($)
shares
Misuse of Revenues Pledged to Municipal Bonds | Judicial Ruling  
Gain (Loss) from Litigation Settlement [Abstract]  
Disgorged fees | $ $ 1,067,721
Litigation Settlement, Amount Awarded to Other Party | $ $ 600,000
Bank Participation in Fraudulent Sale of Securities by Principals [Member] | Pending Litigation [Member]  
Gain (Loss) from Litigation Settlement [Abstract]  
Loss Contingency, Number of Plaintiffs 2
Principal amount of entered judgment against the principal individual and his wife | $ $ 36,805,051
Pre-judgment interest amount of entered judgment against the principal individual and his wife | $ 10,937,831
Outstanding principal accrued interest and other amounts upon sale of facilities securing payment of the bonds | $ $ 29,000,000
Visa Membership  
Gain Contingencies [Line Items]  
Common Stock Visa Class B-3 Shares Owned 63,058
Number of Visa Class A shares that Visa Class B-3 shares are convertible to 94,291
Visa Class B-3 Conversion Rate 1.4953
Potential Exchange Offer Program Conversion Percentage 50.00%
Common Stock Class B-1 Shares Tendered 252,233
Common Stock Visa Class B-2 Shares received under Exchange Offer 126,116
Common Stock Visa Class C Shares Received 50,053
Number of Visa Class C Shares Sold 41,148
Number of Visa Class C Shares Donated 8,905
Common Stock Class B-2 Shares Tendered under Exchange Offer 126,116
Number of Visa Class B-3 Shares in exchange for Class B-2 shares 63,058
Number of Visa Class C Shares in exchange for Class B-2 shares 23,765
Number Visa Class C Shares Sold 7,921
Visa Class A Equivalent Shares Sold 31,684
Proceeds from Visa "Exchange Offer" Class C Shares Sold | $ $ 10,200,000
Cost basis of Visa "Exchange Offer" Class C Shares Sold | $ $ 0
Common Stock Visa Class C Shares Owned 15,844
Visa Class C Shares value | $ $ 21,700,000