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Nature of Operations and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Estimated Useful Lives for Book Purposes The assets’ estimated useful lives for book purposes are as follows:
Bank premises
15-40 years
Furniture, fixtures, and equipment
3-15 years
Computation of Basic and Diluted Earnings per Common Share (EPS) The following table sets forth the computation of basic and diluted earnings per share (EPS) for the years ended December 31:
202320222021
(In thousands, except per share data)
Net income$392,929 $305,262 $319,021 
Average common shares outstanding202,627 194,694 164,501 
Effect of common stock options146 325 357 
Diluted common shares outstanding202,773 195,019 164,858 
Basic earnings per common share$1.94 $1.57 $1.94 
Diluted earnings per common share$1.94 $1.57 $1.94