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

Note 3 - Loans - Loans by Performance Status (Details)

v3.25.0.1
Note 3 - Loans - Loans by Performance Status (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Financing receivable, gross $ 12,605,836 $ 11,658,829
Performing Financial Instruments [Member]    
Financing receivable, gross 12,563,370 11,637,296
Nonperforming Financial Instruments [Member]    
Financing receivable, gross 42,466 21,533
Commercial Real Estate Portfolio Segment [Member]    
Financing receivable, gross 2,869,894 2,823,986
Commercial Real Estate Portfolio Segment [Member] | Performing Financial Instruments [Member]    
Financing receivable, gross 2,844,164 2,816,599
Commercial Real Estate Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]    
Financing receivable, gross 25,730 7,387
Real Estate Portfolio Segment[Member]    
Financing receivable, gross 8,173,009 7,251,447
Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Financing receivable, gross 1,489,306 1,519,619
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Financing receivable, gross 2,547,143 2,257,163
Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Financing receivable, gross 1,444,623 1,249,938
Real Estate Portfolio Segment[Member] | Non-owner Occupied Commercial [Member]    
Financing receivable, gross 4,181,243 3,744,346
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]    
Financing receivable, gross 8,173,009  
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member]    
Financing receivable, gross   7,237,517
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Construction Loans [Member]    
Financing receivable, gross 1,488,645 1,519,508
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Owner Occupied Commercial [Member]    
Financing receivable, gross 2,538,399 2,250,074
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | One to Four Family [Member]    
Financing receivable, gross 1,439,332 1,243,603
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Non-owner Occupied Commercial [Member]    
Financing receivable, gross 4,179,984 3,743,840
Real Estate Portfolio Segment[Member] | Performing Financial Instruments [Member] | Other Mortgages [Member]    
Financing receivable, gross 8,157,715  
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member]    
Financing receivable, gross   13,930
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Construction Loans [Member]    
Financing receivable, gross 661 111
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Owner Occupied Commercial [Member]    
Financing receivable, gross 8,744 7,089
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | One to Four Family [Member]    
Financing receivable, gross 5,291 6,335
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Non-owner Occupied Commercial [Member]    
Financing receivable, gross 1,259 506
Real Estate Portfolio Segment[Member] | Nonperforming Financial Instruments [Member] | Other Mortgages [Member]    
Financing receivable, gross 15,294  
Consumer Portfolio Segment [Member]    
Financing receivable, gross 73,627 63,777
Consumer Portfolio Segment [Member] | Performing Financial Instruments [Member]    
Financing receivable, gross 72,846 63,672
Consumer Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]    
Financing receivable, gross $ 781 $ 105