Loans - Secured Loans Scheduled Maturities Loan Principal and LTV (Details) - CECL $ in Thousands	6 Months Ended
	Jun. 30, 2025 USD ($) Loans
Financing Receivable, Past Due [Line Items]
Loans receivable number of loans maturing in fiscal year, Loans \| Loans	29
2025, Loans \| Loans	19
2026, Loans \| Loans	11
2027, Loans \| Loans	7
2028, Loans \| Loans	6
2029, Loans \| Loans	4
2030, Loans \| Loans	2
2033, Loans \| Loans	1
2035, Loans \| Loans	0
Loans receivable maturing in fiscal year, Principal \| $	$ 45,185
2025, Principal \| $	32,416
2026, Principal \| $	16,936
2027, Principal \| $	8,700
2028, Principal \| $	8,459
2029, Principal \| $	3,215
2030, Principal \| $	595
2033, Principal \| $	200
2035, Principal \| $	$ 0
Loans receivable loans to value maturing in fiscal year, LTV	55.60%
2025, LTV	53.70%
2026, LTV	50.30%
2027, LTV	50.70%
2028, LTV	52.00%
2029, LTV	44.30%
2030, LTV	23.50%
2033, LTV	33.90%
2035, LTV	0.00%
First Trust Deeds [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable number of loans maturing in fiscal year, Loans \| Loans	23
2025, Loans \| Loans	18
2026, Loans \| Loans	11
2027, Loans \| Loans	7
2028, Loans \| Loans	6
2029, Loans \| Loans	4
2030, Loans \| Loans	2
2033, Loans \| Loans	1
2035, Loans \| Loans	0
Loans receivable maturing in fiscal year, Principal \| $	$ 39,779
2025, Principal \| $	31,445
2026, Principal \| $	16,936
2027, Principal \| $	8,700
2028, Principal \| $	8,459
2029, Principal \| $	3,215
2030, Principal \| $	595
2033, Principal \| $	200
2035, Principal \| $	$ 0
Loans receivable loans to value maturing in fiscal year, LTV	55.90%
2025, LTV	53.80%
2026, LTV	50.30%
2027, LTV	50.70%
2028, LTV	52.00%
2029, LTV	44.30%
2030, LTV	23.50%
2033, LTV	33.90%
2035, LTV	0.00%
Second Trust Deeds [Member]
Financing Receivable, Past Due [Line Items]
Loans receivable number of loans maturing in fiscal year, Loans \| Loans	6
2025, Loans \| Loans	1
2026, Loans \| Loans	0
2027, Loans \| Loans	0
2028, Loans \| Loans	0
2029, Loans \| Loans	0
2030, Loans \| Loans	0
2033, Loans \| Loans	0
2035, Loans \| Loans	0
Loans receivable maturing in fiscal year, Principal \| $	$ 5,406
2025, Principal \| $	971
2026, Principal \| $	0
2027, Principal \| $	0
2028, Principal \| $	0
2029, Principal \| $	0
2030, Principal \| $	0
2033, Principal \| $	0
2035, Principal \| $	$ 0
Loans receivable loans to value maturing in fiscal year, LTV	53.90%
2025, LTV	52.50%
2026, LTV	0.00%
2027, LTV	0.00%
2028, LTV	0.00%
2029, LTV	0.00%
2030, LTV	0.00%
2033, LTV	0.00%
2035, LTV	0.00%