Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loans - Summary of Collateral Types (Details)

v3.24.1.u1
Note 5 - Loans - Summary of Collateral Types (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Financing receivable, gross $ 11,880,696 $ 11,658,829 [1]    
Financing Receivable, Allowance for Credit Loss 155,892 153,317 [1] $ 148,964 $ 146,297
Commercial Real Estate Portfolio Segment [Member]        
Financing receivable, gross 2,834,102 2,823,986    
Real Estate Portfolio Segment[Member]        
Financing receivable, gross 7,439,688 7,251,447    
Real Estate Portfolio Segment[Member] | Construction Loans [Member]        
Financing receivable, gross 1,546,716 1,519,619    
Financing Receivable, Allowance for Credit Loss 45,689 44,658 40,483 42,889
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]        
Financing receivable, gross 2,377,042 2,257,163    
Real Estate Portfolio Segment[Member] | One to Four Family [Member]        
Financing receivable, gross 1,284,888 1,249,938    
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]        
Financing receivable, gross 3,777,758 3,744,346    
Consumer Portfolio Segment [Member]        
Financing receivable, gross 60,190 63,777    
Financing Receivable, Allowance for Credit Loss 1,541 1,412 $ 2,430 $ 1,926
Real Estate [Member]        
Financing receivable, gross 61,435 53,205    
Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member]        
Financing receivable, gross 18,467 20,266    
Real Estate [Member] | Real Estate Portfolio Segment[Member]        
Financing receivable, gross 40,826 32,794    
Real Estate [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]        
Financing receivable, gross 2,142 145    
Real Estate [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]        
Financing receivable, gross 19,476 12,038    
Real Estate [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]        
Financing receivable, gross 15,542 15,694    
Real Estate [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]        
Financing receivable, gross 5,808 5,062    
Real Estate [Member] | Consumer Portfolio Segment [Member]        
Financing receivable, gross 0 0    
Collateral, Accounts Receivable [Member]        
Financing receivable, gross 3,834 7,240    
Collateral, Accounts Receivable [Member] | Commercial Real Estate Portfolio Segment [Member]        
Financing receivable, gross 3,834 7,240    
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] | Other Mortgages [Member]        
Financing receivable, gross 0 0    
Collateral, Accounts Receivable [Member] | Consumer Portfolio Segment [Member]        
Financing receivable, gross 0 0    
Equipment [Member]        
Financing receivable, gross 3,673 2,126    
Equipment [Member] | Commercial Real Estate Portfolio Segment [Member]        
Financing receivable, gross 3,673 2,126    
Equipment [Member] | Real Estate Portfolio Segment[Member]        
Financing receivable, gross 0 0    
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 0 0    
Equipment [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]        
Financing receivable, gross 0 0    
Equipment [Member] | Consumer Portfolio Segment [Member]        
Financing receivable, gross 0 0    
Collateral, Other [Member]        
Financing receivable, gross 30,813 26,492    
Collateral, Other [Member] | Commercial Real Estate Portfolio Segment [Member]        
Financing receivable, gross 29,841 24,016    
Collateral, Other [Member] | Real Estate Portfolio Segment[Member]        
Financing receivable, gross 0 1,498    
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]        
Financing receivable, gross 972 978    
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]        
Financing receivable, gross 0 698    
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] | Other Mortgages [Member]        
Financing receivable, gross 0 800    
Collateral, Other [Member] | Consumer Portfolio Segment [Member]        
Financing receivable, gross 0 0    
Collateral Pledged [Member]        
Financing receivable, gross 99,755 89,063    
Financing Receivable, Allowance for Credit Loss 17,884 18,326    
Collateral Pledged [Member] | Commercial Real Estate Portfolio Segment [Member]        
Financing receivable, gross 55,815 53,648    
Financing Receivable, Allowance for Credit Loss 15,495 16,189    
Collateral Pledged [Member] | Real Estate Portfolio Segment[Member]        
Financing receivable, gross 40,826 34,292    
Financing Receivable, Allowance for Credit Loss 2,389 2,136    
Collateral Pledged [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]        
Financing receivable, gross 3,114 1,123    
Financing Receivable, Allowance for Credit Loss 0 1    
Collateral Pledged [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]        
Financing receivable, gross 19,476 12,736    
Financing Receivable, Allowance for Credit Loss 241 475    
Collateral Pledged [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]        
Financing receivable, gross 15,542 15,694    
Financing Receivable, Allowance for Credit Loss 1,580 1,058    
Collateral Pledged [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]        
Financing receivable, gross 5,808 5,862    
Financing Receivable, Allowance for Credit Loss 568 603    
Collateral Pledged [Member] | Consumer Portfolio Segment [Member]        
Financing receivable, gross 0 0    
Financing Receivable, Allowance for Credit Loss $ 0 $ 0    
[1] derived from audited financial statements.