Investments - Maximum and Minimum Lending Rates for Mortgage Loan (Details)	3 Months Ended	12 Months Ended
	Mar. 31, 2026	Dec. 31, 2025
Farm Loans [Member] | Maximum [Member]
Investments [Abstract]
Interest rate on mortgage loans	8.00%	8.00%
Farm Loans [Member] | Minimum [Member]
Investments [Abstract]
Interest rate on mortgage loans	8.00%	8.00%
Commercial Loans [Member] | Maximum [Member]
Investments [Abstract]
Interest rate on mortgage loans	10.00%	10.00%
Commercial Loans [Member] | Minimum [Member]
Investments [Abstract]
Interest rate on mortgage loans	4.40%	4.40%
Residential Loans [Member] | Maximum [Member]
Investments [Abstract]
Interest rate on mortgage loans	5.00%	5.00%
Residential Loans [Member] | Minimum [Member]
Investments [Abstract]
Interest rate on mortgage loans	4.15%	4.15%