Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loans - Summary of Loans (Details)

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Note 5 - Loans - Summary of Loans (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Total loans $ 11,880,696 $ 11,658,829 [1]    
Less: Allowance for credit losses (155,892) (153,317) [1] $ (148,964) $ (146,297)
Net Loans $ 11,724,804 $ 11,505,512 [1]    
Financing receivable, gross percentage 100.00% 100.00%    
Commercial Real Estate Portfolio Segment [Member]        
Total loans $ 2,834,102 $ 2,823,986    
Financing receivable, gross percentage 23.85% 24.22%    
Real Estate Portfolio Segment[Member]        
Total loans $ 7,439,688 $ 7,251,447    
Financing receivable, gross percentage 62.62% 62.20%    
Real Estate Portfolio Segment[Member] | Construction Loans [Member]        
Total loans $ 1,546,716 $ 1,519,619    
Less: Allowance for credit losses $ (45,689) $ (44,658) (40,483) (42,889)
Financing receivable, gross percentage 13.02% 13.03%    
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]        
Total loans $ 2,377,042 $ 2,257,163    
Financing receivable, gross percentage 20.01% 19.36%    
Real Estate Portfolio Segment[Member] | One to Four Family [Member]        
Total loans $ 1,284,888 $ 1,249,938    
Financing receivable, gross percentage 10.81% 10.72%    
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]        
Total loans $ 3,777,758 $ 3,744,346    
Financing receivable, gross percentage 31.80% 32.12%    
Consumer Portfolio Segment [Member]        
Total loans $ 60,190 $ 63,777    
Less: Allowance for credit losses $ (1,541) $ (1,412) $ (2,430) $ (1,926)
Financing receivable, gross percentage 0.51% 0.55%    
[1] derived from audited financial statements.