Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Securities - Investment Securities Continuous Unrealized Loss Position (Details)

v3.24.3
Note 4 - Securities - Investment Securities Continuous Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Debt securities available for sale, less than twelve months, gross unrealized losses $ (1,505) $ (801)
Debt securities available for sale, less than twelve months, fair value 20,421 15,845
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses (45,490) (68,365)
Debt Securities, Available for Sale, Twelve Months or More, Fair Value 500,544 535,836
Debt Securities, Available for Sale, Gross Unrealized Losses (46,994) (69,166)
Debt Securities, Available for Sale, Fair Value 520,965 551,681
Debt Securities held to maturity less than twelve months, gross unrealized losses 0 (1)
Debt securities, held to maturity, Less Than Twelve Months, Fair Value 2,061 430
Debt Securities Held To Maturity, Twelve Months or More, Gross Unrealized Losses (56,122) (75,474)
Debt Securities, Held To Maturity, Twelve Months or More, Fair Value 624,309 902,933
Debt Securities, Held To Maturity , Gross Unrealized Losses (56,122) (75,475)
Debt Securities,Held To Maturity, Fair Value 626,369 903,363
State and municipal securities 1,505 801
Collateralized Mortgage-Backed Securities [Member]    
Debt securities available for sale, less than twelve months, gross unrealized losses 0 (6)
Debt securities available for sale, less than twelve months, fair value 1 704
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses (19,120) (25,973)
Debt Securities, Available for Sale, Twelve Months or More, Fair Value 193,011 214,393
Debt Securities, Available for Sale, Gross Unrealized Losses (19,120) (25,979)
Debt Securities, Available for Sale, Fair Value 193,012 215,097
Debt Securities held to maturity less than twelve months, gross unrealized losses 0 (1)
Debt securities, held to maturity, Less Than Twelve Months, Fair Value 2,061 430
Debt Securities Held To Maturity, Twelve Months or More, Gross Unrealized Losses (39,398) (50,024)
Debt Securities, Held To Maturity, Twelve Months or More, Fair Value 383,853 411,585
Debt Securities, Held To Maturity , Gross Unrealized Losses (39,398) (50,025)
Debt Securities,Held To Maturity, Fair Value 385,914 412,015
State and municipal securities (0) 6
US States and Political Subdivisions Debt Securities [Member]    
Debt securities available for sale, less than twelve months, gross unrealized losses 0 0
Debt securities available for sale, less than twelve months, fair value 0 0
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses (826) (1,178)
Debt Securities, Available for Sale, Twelve Months or More, Fair Value 9,273 9,777
Debt Securities, Available for Sale, Gross Unrealized Losses (826) (1,178)
Debt Securities, Available for Sale, Fair Value 9,273 9,777
Debt Securities held to maturity less than twelve months, gross unrealized losses 0 0
Debt securities, held to maturity, Less Than Twelve Months, Fair Value 0 0
Debt Securities Held To Maturity, Twelve Months or More, Gross Unrealized Losses (498) (732)
Debt Securities, Held To Maturity, Twelve Months or More, Fair Value 7,332 7,081
Debt Securities, Held To Maturity , Gross Unrealized Losses (498) (732)
Debt Securities,Held To Maturity, Fair Value 7,332 7,081
State and municipal securities (0) 0
Corporate Debt Securities [Member]    
Debt securities available for sale, less than twelve months, gross unrealized losses (1,505) (794)
Debt securities available for sale, less than twelve months, fair value 20,420 15,141
Debt Securities Available for Sale, Twelve Months or More, Gross Unrealized Losses (25,544) (41,214)
Debt Securities, Available for Sale, Twelve Months or More, Fair Value 298,260 311,666
Debt Securities, Available for Sale, Gross Unrealized Losses (27,048) (42,009)
Debt Securities, Available for Sale, Fair Value 318,680 326,807
State and municipal securities 1,505 794
US Treasury Securities [Member]    
Debt Securities held to maturity less than twelve months, gross unrealized losses 0 0
Debt securities, held to maturity, Less Than Twelve Months, Fair Value 0 0
Debt Securities Held To Maturity, Twelve Months or More, Gross Unrealized Losses (16,226) (24,718)
Debt Securities, Held To Maturity, Twelve Months or More, Fair Value 233,124 484,267
Debt Securities, Held To Maturity , Gross Unrealized Losses (16,226) (24,718)
Debt Securities,Held To Maturity, Fair Value $ 233,123 $ 484,267