XML 18 R8.htm IDEA: XBRL DOCUMENT
v3.24.3

Investments | 9 Months Ended
--- | ---
Sep. 30, 2024
Investments |
Investments | 4. Investments All our marketable securities are classified as held-to-maturity securities and reported at amortized cost pursuant to Accounting Standards Codification (“ASC”) 320, Investments – Debt and Equity Securities, as we have the intent and ability to hold all investments to maturity. Below is a summary of the amortized cost and estimated market values of our marketable securities as of September 30, 2024, and December 31, 2023. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2024 | ​ | December 31, 2023 | ​
​ |  | Amortized |  | Market |  | Amortized |  | Market |
​ |  | Cost |  | Value |  | Cost |  | Value |
​ | ​ | (Dollars in thousands) | ​
Marketable securities: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |  |
Current | ​ | $ | 365 | ​ | $ | 364 | ​ | $ | 215 | ​ | $ | 215 | ​
Due from one through five years | ​ |  | 3,172 | ​ |  | 3,251 | ​ |  | 3,518 | ​ |  | 3,592 | ​
Due from six through ten years | ​ |  | 2,837 | ​ |  | 2,802 | ​ |  | 2,836 | ​ |  | 2,830 | ​
Total | ​ | $ | 6,374 | ​ | $ | 6,417 | ​ | $ | 6,569 | ​ | $ | 6,637 | ​
​ The unrealized gains and losses on marketable securities at September 30, 2024, and at December 31, 2023, were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2024 | ​ | December 31, 2023 | ​
​ |  | Unrealized |  | Unrealized |  | Unrealized |  | Unrealized |
​ |  | Gains |  | Losses |  | Gains |  | Losses |
​ | ​ | (Dollars in thousands) | ​
Marketable securities | ​ | $ | 103 | ​ | $ | (60) | ​ | $ | 118 | ​ | $ | (50) | ​
​ The estimated market values provided are Level 2 valuations as defined by ASC 820, Fair Value Measurements and Disclosures. We reviewed our portfolio of investments as of September 30, 2024, and determined that no other-than-temporary market value impairment exists.

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

X
- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 940 -SubTopic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/940-320/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph b -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/320/tableOfContent Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-10 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6B Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6B Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/942-320/tableOfContent + Details
Name: | us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration