Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Securities - Amortized Cost and Fair Value of Contractual Securities (Details)

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Note 4 - Securities - Amortized Cost and Fair Value of Contractual Securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Due within one year, amortized cost $ 523,255 $ 350,400
Due within one year, fair value 523,759 350,396
Due from one to five years, amortized cost 118,734 70,016
Due from one to five years, fair value 116,395 67,334
Due from five to ten years, amortized cost 282,501 304,216
Due from five to ten years, fair value 258,273 264,893
Due after ten years, amortized cost 3,000 3,000
Due after ten years, fair value 2,280 2,076
Mortgage-backed securities, amortized cost 256,622 241,458
Mortgage-backed securities, fair value 238,300 215,485
Available for sale, amortized cost 1,184,112 969,090
Available for sale, fair value 1,139,007 900,183 [1]
Held to maturity debt securities, Due within one year 250 260,047
Held to maturity debt securities, Due within one year, fair value 250 257,835
Held to maturity debt securities, Due from one to five years 256,684 203,481
Held to maturity debt securities, Due from one to five years, fair value 240,011 185,741
Held to maturity debt securities, Due from five to ten years 495 53,521
Held to maturity debt securities, Due from five to ten years, fair value 444 48,022
Mortgage-backed securities, amortized cost 471,151 465,615
Mortgage-backed securities, fair value 432,318 415,593
Held to maturity, amortized cost 728,580 982,664 [1]
Held to maturity debt securities, fair value $ 673,023 $ 907,191
[1] Derived from audited financial statements.