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, 2023
Dec. 31, 2022
Due within one year, amortized cost $ 292,131 $ 24,712
Due within one year, fair value 291,740 24,432
Due from one to five years, amortized cost 66,668 58,554
Due from one to five years, fair value 63,623 57,092
Due from five to ten years, amortized cost 307,443 338,630
Due from five to ten years, fair value 261,919 311,100
Due after ten years, amortized cost 3,000 3,000
Due after ten years, fair value 2,279 2,488
Mortgage-backed securities, amortized cost 251,001 282,480
Mortgage-backed securities, fair value 215,241 249,703
Available for sale, amortized cost 920,243 707,376
Available for sale, fair value 834,802 644,815 [1]
Held to maturity debt securities, Due within one year 309,311 250
Held to maturity debt securities, Due within one year 304,931 250
Held to maturity debt securities, Due from one to five years 128,708 386,465
Held to maturity debt securities, Due from one to five years 115,557 366,095
Held to maturity debt securities, Due from five to ten years 128,234 128,477
Held to maturity debt securities, Due from five to ten years 109,800 111,632
Mortgage-backed securities, amortized cost 477,646 518,929
Mortgage-backed securities, fair value 402,718 457,976
Held to maturity, amortized cost 1,043,899 1,034,121
Held to maturity debt securities, fair value $ 933,006 $ 935,953
[1] derived from audited financial statements.