Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Securities - Amortized Cost and Fair Value of Securities (Details)

v3.23.3
Note 2 - Securities - Amortized Cost and Fair Value of Securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Amortized cost $ 545,834 $ 539,318
Gross unrealized gains 4 82
Gross unrealized losses (42,561) (40,143)
Debt securities available for sale, at fair value 503,277 499,257
Amortized cost 330,003 348,765
Gross unrealized gains 55 415
Gross unrealized losses (15,600) (16,530)
Fair value 314,458 332,650
Held-to-maturity, amortized cost, due in one year or less 133,471  
Held-to-maturity, fair value, due in one year or less 131,195  
Available-for-sale, amortized cost, due in one year or less 96,702  
Available-for-sale, fair value, due in one year or less 95,025  
Held-to-maturity, amortized cost, due from one to five years 179,098  
Held-to-maturity, fair value, due from one to five years 166,829  
Available-for-sale, amortized cost, due from one to five years 304,828  
Available-for-sale, fair value, due from one to five years 283,371  
Held-to-maturity, amortized cost, due from five to ten years 17,434  
Held-to-maturity, fair value, due from five to ten years 16,434  
Available-for-sale, amortized cost, due from five to ten years 18,656  
Available-for-sale, fair value, due from five to ten years 16,224  
Held-to-maturity, amortized cost, due after ten years 0  
Held-to-maturity, fair value, due after ten years 0  
Available-for-sale, amortized cost, due after ten years 125,648  
Available-for-sale, fair value, due after ten years 108,657  
Held-to-maturity, amortized cost 330,003 348,765
Held-to-maturity, fair value 314,458 332,650
Available-for-sale, amortized cost 545,834 539,318
Available-for-sale, fair value 503,277 499,257
US Treasury and Government [Member]    
Amortized cost 255,887 240,921
Gross unrealized gains 0 23
Gross unrealized losses (15,774) (16,310)
Debt securities available for sale, at fair value 240,113 224,634
Available-for-sale, amortized cost 255,887 240,921
Available-for-sale, fair value 240,113 224,634
US Government Agencies Debt Securities [Member]    
Amortized cost 127,040 128,165
Gross unrealized gains 0 0
Gross unrealized losses (17,078) (14,347)
Debt securities available for sale, at fair value 109,962 113,818
Available-for-sale, amortized cost 127,040 128,165
Available-for-sale, fair value 109,962 113,818
Nontaxable Municipal Bonds [Member]    
Amortized cost 34,614 37,198
Gross unrealized gains 0 10
Gross unrealized losses (1,365) (498)
Debt securities available for sale, at fair value 33,249 36,710
Amortized cost 78,755 97,458
Gross unrealized gains 55 415
Gross unrealized losses (3,323) (2,853)
Fair value 75,487 95,020
Held-to-maturity, amortized cost 78,755 97,458
Held-to-maturity, fair value 75,487 95,020
Available-for-sale, amortized cost 34,614 37,198
Available-for-sale, fair value 33,249 36,710
Taxable Municipal Bonds [Member]    
Amortized cost 116,132 120,647
Gross unrealized gains 4 49
Gross unrealized losses (7,927) (8,525)
Debt securities available for sale, at fair value 108,209 112,171
Available-for-sale, amortized cost 116,132 120,647
Available-for-sale, fair value 108,209 112,171
Corporate Bonds And Other Debt Securities [Member]    
Amortized cost 12,161 12,387
Gross unrealized gains 0 0
Gross unrealized losses (417) (463)
Debt securities available for sale, at fair value 11,744 11,924
Available-for-sale, amortized cost 12,161 12,387
Available-for-sale, fair value 11,744 11,924
US Treasury Securities [Member]    
Amortized cost 251,248 251,307
Gross unrealized gains 0 0
Gross unrealized losses (12,277) (13,677)
Fair value 238,971 237,630
Held-to-maturity, amortized cost 251,248 251,307
Held-to-maturity, fair value $ 238,971 $ 237,630