Annual report [Section 13 and 15(d), not S-K Item 405]

Note 3 - Loans - Summary of Collateral Types (Details)

v3.25.4
Note 3 - Loans - Summary of Collateral Types (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Financing receivable, gross $ 13,696,912 $ 12,605,836
Commercial Real Estate Portfolio Segment [Member]    
Financing receivable, gross 3,146,736 2,869,894
Real Estate Portfolio Segment[Member]    
Financing receivable, gross 9,014,925 8,173,009
Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Financing receivable, gross 1,457,628 1,489,306
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Financing receivable, gross 2,739,823 2,547,143
Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Financing receivable, gross 1,671,713 1,444,623
Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member]    
Financing receivable, gross 4,603,389 4,181,243
Consumer Portfolio Segment [Member]    
Financing receivable, gross 77,623 73,627
Real Estate [Member]    
Financing receivable, gross 173,618 64,678
Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial, Financial, and Agricultural Loans [Member]    
Financing receivable, gross 18,792 18,901
Real Estate [Member] | Real Estate Portfolio Segment[Member]    
Financing receivable, gross 118,880 43,187
Real Estate [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Financing receivable, gross 35,946 2,590
Real Estate [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Financing receivable, gross 21,076 24,935
Real Estate [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Financing receivable, gross 9,887 3,719
Real Estate [Member] | Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member]    
Financing receivable, gross 87,917 14,533
Real Estate [Member] | Consumer Portfolio Segment [Member]    
Financing receivable, gross 0 0
Collateral, Accounts Receivable [Member]    
Financing receivable, gross 2,247 1,721
Collateral, Accounts Receivable [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial, Financial, and Agricultural Loans [Member]    
Financing receivable, gross 2,247 1,721
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member]    
Financing receivable, gross 0 0
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Financing receivable, gross 0 0
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Financing receivable, gross 0 0
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Financing receivable, gross 0 0
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member]    
Financing receivable, gross 0 0
Collateral, Accounts Receivable [Member] | Consumer Portfolio Segment [Member]    
Financing receivable, gross 0 0
Equipment [Member]    
Financing receivable, gross 2,887 7,558
Equipment [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial, Financial, and Agricultural Loans [Member]    
Financing receivable, gross 2,763 7,449
Equipment [Member] | Real Estate Portfolio Segment[Member]    
Financing receivable, gross 109 109
Equipment [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Financing receivable, gross 0 0
Equipment [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Financing receivable, gross 0 0
Equipment [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Financing receivable, gross 109 109
Equipment [Member] | Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member]    
Financing receivable, gross 0 0
Equipment [Member] | Consumer Portfolio Segment [Member]    
Financing receivable, gross 15 0
Collateral, Other [Member]    
Financing receivable, gross 32,851 45,338
Collateral, Other [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial, Financial, and Agricultural Loans [Member]    
Financing receivable, gross 30,235 42,684
Collateral, Other [Member] | Real Estate Portfolio Segment[Member]    
Financing receivable, gross 951 953
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Financing receivable, gross 944 946
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Financing receivable, gross 76 78
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Financing receivable, gross 0 0
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member]    
Financing receivable, gross 875 875
Collateral, Other [Member] | Consumer Portfolio Segment [Member]    
Financing receivable, gross 721 755
Collateral Pledged [Member]    
Financing receivable, gross 211,603 119,295
Financing Receivable, Allowance for Credit Loss 24,778 23,628
Collateral Pledged [Member] | Commercial Real Estate Portfolio Segment [Member] | Commercial, Financial, and Agricultural Loans [Member]    
Financing receivable, gross 54,037 70,755
Financing Receivable, Allowance for Credit Loss 17,465 17,615
Collateral Pledged [Member] | Real Estate Portfolio Segment[Member]    
Financing receivable, gross 119,940 44,249
Financing Receivable, Allowance for Credit Loss 5,880 5,258
Collateral Pledged [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Financing receivable, gross 36,890 3,536
Financing Receivable, Allowance for Credit Loss 712 0
Collateral Pledged [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Financing receivable, gross 21,152 25,013
Financing Receivable, Allowance for Credit Loss 0 2,890
Collateral Pledged [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Financing receivable, gross 9,996 3,828
Financing Receivable, Allowance for Credit Loss 446 287
Collateral Pledged [Member] | Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member]    
Financing receivable, gross 88,792 15,408
Financing Receivable, Allowance for Credit Loss 5,434 2,081
Collateral Pledged [Member] | Consumer Portfolio Segment [Member]    
Financing receivable, gross 736 755
Financing Receivable, Allowance for Credit Loss $ 721 $ 755