Investment in Loans (Schedule of Consumer Loans: Delinquency Status) (Details) - Consumer loans	Sep. 30, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Percent past due	100.00%	100.00%
Financial Asset, 1 to 29 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Percent past due	79.30%	79.60%
30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Percent past due	12.70%	14.70%
60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Percent past due	2.50%	2.50%
90-119 Days or More Past Due [Member]
Financing Receivable, Past Due [Line Items]
Percent past due	5.50%	3.20%