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v3.23.1

Investment Securities (Amortized Cost and Estimated Fair Values of Investment Securities) (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale securities, Amortized Cost | $ 92,754 | $ 95,999
Available-for-sale securities, Amortized Cost | 92,754 |
Available-for-sale securities, Gross Unrealized Gains | 6 | 7
Available-for-sale securities, Gross Unrealized Losses | 11,235 | 12,419
Available-for-sale, at fair value (amortized cost of $92,754 (2023) and $95,999 (2022)) | 81,525 | 83,587
Held-to-maturity Securities, Amortized Cost | 549,096 | 559,455
Held-to-maturity Securities, Amortized Cost | 549,096 | 559,455
Held-to-maturity securities, Gross Unrealized Gains | 54 | 35
Held-to-maturity securities, Gross Unrealized Losses | 58,034 | 64,863
Held-to-maturity securities, Estimated Fair Value | 491,116 | 494,627
Equity securities, at fair value | 1,258 | 1,233
U.S. Government agencies |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale securities, Amortized Cost |  | 21,798
Available-for-sale securities, Amortized Cost | 21,587 |
Available-for-sale securities, Gross Unrealized Gains | 5 | 5
Available-for-sale securities, Gross Unrealized Losses | 3,283 | 3,625
Available-for-sale, at fair value (amortized cost of $92,754 (2023) and $95,999 (2022)) | 18,309 | 18,178
Held-to-maturity Securities, Amortized Cost |  | 148,097
Held-to-maturity Securities, Amortized Cost | 146,699 |
Held-to-maturity securities, Gross Unrealized Losses | 11,815 | 13,601
Held-to-maturity securities, Estimated Fair Value | 134,884 | 134,496
States and political subdivisions |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Held-to-maturity Securities, Amortized Cost |  | 1,474
Held-to-maturity Securities, Amortized Cost | 1,473 |
Held-to-maturity securities, Gross Unrealized Gains | 54 | 35
Held-to-maturity securities, Gross Unrealized Losses | 13 | 28
Held-to-maturity securities, Estimated Fair Value | 1,514 | 1,481
Mortgage-backed |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale securities, Amortized Cost |  | 72,183
Available-for-sale securities, Amortized Cost | 69,151 |
Available-for-sale securities, Gross Unrealized Gains | 1 | 2
Available-for-sale securities, Gross Unrealized Losses | 7,779 | 8,666
Available-for-sale, at fair value (amortized cost of $92,754 (2023) and $95,999 (2022)) | 61,373 | 63,519
Held-to-maturity Securities, Amortized Cost |  | 398,884
Held-to-maturity Securities, Amortized Cost | 389,924 |
Held-to-maturity securities, Gross Unrealized Losses | 45,379 | 50,464
Held-to-maturity securities, Estimated Fair Value | 344,545 | 348,420
Other debt securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale securities, Amortized Cost |  | 2,018
Available-for-sale securities, Amortized Cost | 2,016 |
Available-for-sale securities, Gross Unrealized Losses | 173 | 128
Available-for-sale, at fair value (amortized cost of $92,754 (2023) and $95,999 (2022)) | 1,843 | 1,890
Held-to-maturity Securities, Amortized Cost |  | 11,000
Held-to-maturity Securities, Amortized Cost | 11,000 |
Held-to-maturity securities, Gross Unrealized Losses | 827 | 770
Held-to-maturity securities, Estimated Fair Value | $ 10,173 | $ 10,230

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27161-111563 + Details
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