XML 53 R35.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Note 2 - Securities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Notes Tables |
Debt Securities, Available-for-Sale [Table Text Block] |
|  |  |  |  |  | Gross |  |  | Gross |  |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
(Dollars in thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency debt obligations |  | $ | 542,676 |  |  | $ | 131 |  |  | $ | (47,226 | ) |  | $ | 495,581 |
Mortgage-backed securities |  |  | 31,696 |  |  |  | 4 |  |  |  | (6,332 | ) |  |  | 25,368 |
Municipal general obligation bonds |  |  | 187,484 |  |  |  | 513 |  |  |  | (7,827 | ) |  |  | 180,170 |
Municipal revenue bonds |  |  | 31,066 |  |  |  | 89 |  |  |  | (2,422 | ) |  |  | 28,733 |
Other investments |  |  | 500 |  |  |  | 0 |  |  |  | 0 |  |  |  | 500 |
|  | $ | 793,422 |  |  | $ | 737 |  |  | $ | (63,807 | ) |  | $ | 730,352 |
2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency debt obligations |  | $ | 442,496 |  |  | $ | 0 |  |  | $ | (52,000 | ) |  | $ | 390,496 |
Mortgage-backed securities |  |  | 35,168 |  |  |  | 20 |  |  |  | (5,715 | ) |  |  | 29,473 |
Municipal general obligation bonds |  |  | 172,126 |  |  |  | 1,924 |  |  |  | (6,190 | ) |  |  | 167,860 |
Municipal revenue bonds |  |  | 30,708 |  |  |  | 262 |  |  |  | (2,207 | ) |  |  | 28,763 |
Other investments |  |  | 500 |  |  |  | 0 |  |  |  | 0 |  |  |  | 500 |
|  | $ | 680,998 |  |  | $ | 2,206 |  |  | $ | (66,112 | ) |  | $ | 617,092 |
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] |
|  | Less than 12 Months |  |  | 12 Months or More |  |  | Total |
(Dollars in thousands) |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |  |  | Fair |  |  | Unrealized |
Description of Securities |  | Value |  |  | Loss |  |  | Value |  |  | Loss |  |  | Value |  |  | Loss |
2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency debt obligations |  | $ | 113,942 |  |  | $ | 2,379 |  |  | $ | 361,171 |  |  | $ | 44,847 |  |  | $ | 475,113 |  |  | $ | 47,226 |
Mortgage-backed securities |  |  | 194 |  |  |  | 1 |  |  |  | 24,865 |  |  |  | 6,331 |  |  |  | 25,059 |  |  |  | 6,332 |
Municipal general obligation bonds |  |  | 63,387 |  |  |  | 1,117 |  |  |  | 92,153 |  |  |  | 6,710 |  |  |  | 155,540 |  |  |  | 7,827 |
Municipal revenue bonds |  |  | 2,840 |  |  |  | 28 |  |  |  | 21,865 |  |  |  | 2,394 |  |  |  | 24,705 |  |  |  | 2,422 |
Other investments |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
|  | $ | 180,363 |  |  | $ | 3,525 |  |  | $ | 500,054 |  |  | $ | 60,282 |  |  | $ | 680,417 |  |  | $ | 63,807 |
2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Government agency debt obligations |  | $ | 0 |  |  | $ | 0 |  |  | $ | 390,496 |  |  | $ | 52,000 |  |  | $ | 390,496 |  |  | $ | 52,000 |
Mortgage-backed securities |  |  | 114 |  |  |  | 0 |  |  |  | 28,749 |  |  |  | 5,715 |  |  |  | 28,863 |  |  |  | 5,715 |
Municipal general obligation bonds |  |  | 1,109 |  |  |  | 6 |  |  |  | 106,171 |  |  |  | 6,184 |  |  |  | 107,280 |  |  |  | 6,190 |
Municipal revenue bonds |  |  | 1,506 |  |  |  | 8 |  |  |  | 20,602 |  |  |  | 2,199 |  |  |  | 22,108 |  |  |  | 2,207 |
Other investments |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
|  | $ | 2,729 |  |  | $ | 14 |  |  | $ | 546,018 |  |  | $ | 66,098 |  |  | $ | 548,747 |  |  | $ | 66,112 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | Amortized |  |  | Fair |
(Dollars in thousands) |  | Cost |  |  | Value |
Due in one year or less |  | $ | 57,905 |  |  | $ | 56,773 |
Due from one to five years |  |  | 325,614 |  |  |  | 304,620 |
Due from five to ten years |  |  | 314,543 |  |  |  | 281,808 |
Due after ten years |  |  | 63,164 |  |  |  | 61,283 |
Mortgage-backed securities |  |  | 31,696 |  |  |  | 25,368 |
Other investments |  |  | 500 |  |  |  | 500 |
|  | $ | 793,422 |  |  | $ | 730,352 |

X
- Definition Tabular disclosure of 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://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-9 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aaa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 11: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-3 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479081/326-30-55-8 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-6 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-4 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
Name: | us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration