Note 1 - Basis of Presentation and Nature of Operations (Details Textual)	3 Months Ended	12 Months Ended
	Mar. 31, 2024 ft² a shares	Dec. 31, 2024 USD ($)	Mar. 31, 2024 USD ($) ft² a shares
Management Advisory Services [Member] | Related Captive Managing General Agency [Member]
Related Party Transaction, Amounts of Transaction			$ 200,000
Management Advisory Services [Member] | Related Captive Managing General Agency [Member] | Forecast [Member]
Related Party Transaction, Amounts of Transaction		$ 200,000
Management Advisory Services [Member] | Reinsurance Intermediary [Member]
Related Party Transaction, Amounts of Transaction			$ 50,000
HC Government Realty Trust, Inc [Member]
Ownership Percentage	27.40%		27.40%
HC Government Realty Trust, Inc [Member] | Common Stock of Investee [Member]
Investment Owned, Balance, Shares (in shares) | shares	300,000		300,000
HC Government Realty Trust, Inc [Member] | Series B Cumulative Convertible Preferred Stock [Member]
Investment Owned, Balance, Shares (in shares) | shares	1,025,000		1,025,000
Investment Interest Rate	10.00%		10.00%
HC Government Realty Trust, Inc [Member]
Area of Real Estate Property (Square Foot) | a	663,000		663,000
Number of Real Estate Properties	35		35
Number of States in which Entity Operates	22		22
Percentage of Real Estate Leased to Government	98.00%		98.00%
Number of Government Agencies	12		12
Weighted Average Lease Term, No Early Termination (Year)	9 years 2 months 12 days
Weighted Average Lease Term, With Early Termination (Year)	5 years 2 months 12 days
HC Government Realty Trust, Inc [Member] | Wholly Owned Properties [Member]
Number of Real Estate Properties	33		33
HC Government Realty Trust, Inc [Member] | Subject to Ground Lease [Member]
Number of Real Estate Properties	2		2
HC Government Realty Trust, Inc [Member] | Minimum [Member]
Area of Real Estate Property (Square Foot) | ft²	10,000		10,000
HC Government Realty Trust, Inc [Member] | Maximum [Member]
Area of Real Estate Property (Square Foot) | ft²	100,000		100,000
Protected Cell [Member] | Catastrophic Windstorm Reinsurance Protection [Member]
Reinsurance, Reinsurance Protection, Number of Insurance Policies In-force	0		0