v3.26.3
Note 12 - Borrowings and Other Arrangements (Details Textual) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Securities Sold under Agreements to Repurchase $ 113,088   $ 130,853
Subordinated Debt 49,551   49,483
Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust 36,151   36,017
Federal Funds Purchased 0   210,000
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available 604,300   629,500
Advance from Federal Home Loan Bank 0   12,700
Correspondent Bank Lines of Credit [Member]      
Line of Credit Facility, Maximum Borrowing Capacity 511,800   250,800
Federal Funds Purchased 0   210,000
Federal Reserve Line of Credit [Member]      
Line of Credit Facility, Maximum Borrowing Capacity 212,900   $ 254,900
Long-Term Line of Credit $ 17,000 $ 0  
Subordinated Debt [Member]      
Debt Instrument, Interest Rate, Stated Percentage 3.25%    
Debt Instrument, Basis Spread on Variable Rate 2.535%    
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Secured Overnight Financing Rate (SOFR) [Member]