Quarterly report [Sections 13 or 15(d)]

Note 5 - Loans - Loans Categorized by Past Due Status (Details)

v3.26.1
Note 5 - Loans - Loans Categorized by Past Due Status (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Total loans $ 14,478,489 $ 13,696,912
Non-accrual 169,711 168,351
Nonaccrual With No ACL 145,710 155,413
Financial Asset, 30 to 59 Days Past Due [Member]    
Total loans 5,266 10,968
Financial Asset, 60 to 89 Days Past Due [Member]    
Total loans 9,374 7,886
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Total loans 1,242 478
Financial Asset, Past Due [Member]    
Total loans 15,882 19,332
Financial Asset, Not Past Due [Member]    
Total loans 14,292,896 13,509,229
Commercial Real Estate Portfolio Segment [Member]    
Total loans 3,252,437 3,146,736
Non-accrual 23,905 26,756
Nonaccrual With No ACL 18,856 19,724
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Total loans 815 1,001
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Total loans 3,449 1,533
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Total loans 43 101
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member]    
Total loans 4,307 2,635
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]    
Total loans 3,224,225 3,117,345
Real Estate Portfolio Segment[Member]    
Total loans 9,590,733 9,014,925
Non-accrual 110,048  
Nonaccrual With No ACL 101,686  
Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Total loans 1,564,504 1,457,628
Non-accrual 35,087 35,885
Nonaccrual With No ACL 25,168 35,173
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Total loans 2,781,375 2,739,823
Non-accrual 22,411 13,578
Nonaccrual With No ACL 22,245 13,578
Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Total loans 1,685,723 1,671,713
Non-accrual 9,897 9,440
Nonaccrual With No ACL 9,594 8,993
Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member]    
Total loans 5,123,635 4,603,389
Non-accrual 77,740 81,977
Nonaccrual With No ACL 69,847 77,930
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]    
Total loans   9,014,925
Non-accrual   104,995
Nonaccrual With No ACL   100,501
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Total loans 4,313  
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Construction Loans [Member]    
Total loans 0 0
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Owner Occupied Commercial [Member]    
Total loans 3,960 5,815
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | One to Four Family [Member]    
Total loans 353 998
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Non-owner Occupied Commercial [Member]    
Total loans 0 2,663
Real Estate Portfolio Segment[Member] | Financial Asset, 30 to 59 Days Past Due [Member] | Other Mortgages [Member]    
Total loans   9,476
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Total loans 883  
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Construction Loans [Member]    
Total loans 5,000 1,148
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Owner Occupied Commercial [Member]    
Total loans 0 295
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | One to Four Family [Member]    
Total loans 883 4,770
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Non-owner Occupied Commercial [Member]    
Total loans 0 0
Real Estate Portfolio Segment[Member] | Financial Asset, 60 to 89 Days Past Due [Member] | Other Mortgages [Member]    
Total loans   5,065
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Total loans 1,134  
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Construction Loans [Member]    
Total loans 0 0
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Owner Occupied Commercial [Member]    
Total loans 0 0
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | One to Four Family [Member]    
Total loans 1,134 323
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Non-owner Occupied Commercial [Member]    
Total loans 0 0
Real Estate Portfolio Segment[Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] | Other Mortgages [Member]    
Total loans   323
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member]    
Total loans 6,330  
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | Construction Loans [Member]    
Total loans 5,000 1,148
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | Owner Occupied Commercial [Member]    
Total loans 3,960 6,110
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | One to Four Family [Member]    
Total loans 2,370 6,091
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | Non-owner Occupied Commercial [Member]    
Total loans 0 2,663
Real Estate Portfolio Segment[Member] | Financial Asset, Past Due [Member] | Other Mortgages [Member]    
Total loans   14,864
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member]    
Total loans 9,474,355  
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | Construction Loans [Member]    
Total loans 1,524,417 1,420,595
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | Owner Occupied Commercial [Member]    
Total loans 2,755,004 2,720,135
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | One to Four Family [Member]    
Total loans 1,673,456 1,656,182
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | Non-owner Occupied Commercial [Member]    
Total loans 5,045,895 4,518,749
Real Estate Portfolio Segment[Member] | Financial Asset, Not Past Due [Member] | Other Mortgages [Member]    
Total loans   8,895,066
Consumer Portfolio Segment [Member]    
Total loans 70,815 77,623
Non-accrual 671 715
Nonaccrual With No ACL 0 15
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Total loans 138 491
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Total loans 42 140
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]    
Total loans 65 54
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member]    
Total loans 245 685
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]    
Total loans $ 69,899 $ 76,223