XML 339 R85.htm IDEA: XBRL DOCUMENT
v3.25.4

Investment Securities - Summary (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Trading securities - at fair value: |  |
Total trading securities | $ 76,108 | $ 42,267
Held-to-maturity securities - at amortized cost: |  |
Total held-to-maturity securities | 15,420 | 15,214
Short-term Investments | 91,528 | 57,481
Recurring |  |
Trading securities - at fair value: |  |
Total trading securities | 76,108 | 42,267
Level 1 | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities | 76,093 | 42,256
Level 2 | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities | 15 | 11
Money Market Funds [Member] |  |
Trading securities - at fair value: |  |
Total trading securities | 0 | 110
Money Market Funds [Member] | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities |  | 110
Money Market Funds [Member] | Level 1 | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities |  | 110
Money Market Funds [Member] | Level 2 | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities | 0 | 0
Mutual funds |  |
Trading securities - at fair value: |  |
Total trading securities | 33,559 | 13,627
Mutual funds | Level 1 | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities | 33,559 |
Equity securities |  |
Trading securities - at fair value: |  |
Total trading securities | 2,505 | 8
Equity securities | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities | 2,505 | 8
Equity securities | Level 1 | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities | 2,505 | 8
Equity securities | Level 2 | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities |  | 0
US Treasury Securities [Member] |  |
Trading securities - at fair value: |  |
Total trading securities | 40,029 | 28,511
US Treasury Securities [Member] | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities | 40,029 | 28,511
US Treasury Securities [Member] | Level 1 | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities | 40,029 | 28,511
US Treasury Securities [Member] | Level 2 | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities | 0 | 0
U.S. government notes |  |
Held-to-maturity securities - at amortized cost: |  |
Total held-to-maturity securities | 15,420 | 15,214
Debt Securities [Member] | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities | 15 | 11
Debt Securities [Member] | Level 1 | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities |  | 0
Debt Securities [Member] | Level 2 | Recurring |  |
Trading securities - at fair value: |  |
Total trading securities | $ 15 | $ 11

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

X
- Definition Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7A Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-14 + Details
Name: | us-gaap_HeldToMaturitySecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(5)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_ShortTermInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1 + Details
Name: | us-gaap_TradingSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MutualFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_DebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |