Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Name:	us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Note 2 - Investments - Valuation Allowance on Loan Portfolios (Details) - Real Estate Loan [Member] - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Change in provision for credit losses	$ 9,137	$ (102,537)	$ 9,137	$ (115,762)
Specific Allowance [Member]
Beginning allowance balance			0
Charge-offs			0
Recoveries			0
Change in provision for credit losses			0
Ending Allowance	$ 0		0
Specific Allowance [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning allowance balance			$ 0
General Allowance [Member]
Beginning allowance balance				21,644
Charge-offs				0
Recoveries				0
Change in provision for credit losses				9,137
Ending Allowance		$ 30,781		30,781
General Allowance [Member] \| Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning allowance balance				$ 0