v3.26.1
Loans - Secured Loans with Payments in Arrears, Principal by LTV and Lien Position (Details)
Jun. 30, 2026
USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 53,317,000 [1]
Percent 100.00% [1]
Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 19,533,000 [2],[3]
Percent 36.60% [2],[3]
Less Than 40% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 7,874,000 [1]
Percent 14.80% [1]
40-49% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 0 [1]
Percent 0.00% [1]
50-59% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 22,286,000 [1]
Percent 41.80% [1]
50-59% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 1,900,000 [2]
Percent 3.60% [2],[3]
60-69% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 18,659,000 [1]
Percent 35.00% [1]
60-69% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 15,410,000 [2]
Percent 28.90% [2],[3]
Subtotal less than 70% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 48,819,000 [1]
Percent 91.60% [1]
70-79% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 4,498,000 [1]
Percent 8.40% [1]
70-79% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 2,223,000 [2],[3]
Percent 4.10% [2],[3]
Subtotal less than 80% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 53,317,000 [1]
Percent 100.00% [1]
Subtotal less than 80% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 19,533,000 [2],[3]
Percent 36.60% [2],[3]
More than or equal to 80% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 0 [1]
Percent 0.00% [1]
More than or equal to 80% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Percent 0.00% [2],[3]
First Trust Deeds [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 45,567,000 [1]
Percent 85.50% [1]
Count 26 [1]
First Trust Deeds [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 17,683,000 [2]
Percent 33.20% [2],[3]
First Trust Deeds [Member] | Less Than 40% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 6,774,000 [1]
Percent 12.70% [1]
Count 6 [1]
First Trust Deeds [Member] | 40-49% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 0 [1]
Percent 0.00% [1]
Count 0 [1]
First Trust Deeds [Member] | 50-59% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 17,486,000 [1]
Percent 32.80% [1]
Count 8 [1]
First Trust Deeds [Member] | 50-59% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 1,900,000 [2]
Percent 3.60% [2],[3]
First Trust Deeds [Member] | 60-69% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 17,409,000 [1]
Percent 32.70% [1]
Count 8 [1]
First Trust Deeds [Member] | 60-69% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 14,160,000 [2]
Percent 26.60% [2],[3]
First Trust Deeds [Member] | Subtotal less than 70% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 41,669,000 [1]
Percent 78.20% [1]
Count 22 [1]
First Trust Deeds [Member] | 70-79% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 3,898,000 [1]
Percent 7.30% [1]
Count 4 [1]
First Trust Deeds [Member] | 70-79% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 1,623,000 [2]
Percent 3.00% [2],[3]
First Trust Deeds [Member] | Subtotal less than 80% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 45,567,000 [1]
Percent 85.50% [1]
Count 26 [1]
First Trust Deeds [Member] | Subtotal less than 80% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 17,683,000 [2]
Percent 33.20% [2],[3]
First Trust Deeds [Member] | More than or equal to 80% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 0 [1]
Percent 0.00% [1]
Count 0 [1]
First Trust Deeds [Member] | More than or equal to 80% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 0 [2]
Percent 0.00% [2],[3]
Second Trust Deeds [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 7,750,000 [1]
Percent 14.50% [1]
Count 5
Second Trust Deeds [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 1,850,000 [2]
Percent 3.40% [2],[3]
Second Trust Deeds [Member] | Less Than 40% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 1,100,000 [1]
Percent 2.10% [1]
Count 1
Second Trust Deeds [Member] | 40-49% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 0 [1]
Percent 0.00% [1]
Count 0
Second Trust Deeds [Member] | 50-59% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 4,800,000 [1]
Percent 9.00% [1]
Count 2
Second Trust Deeds [Member] | 50-59% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 0 [2]
Percent 0.00% [2],[3]
Second Trust Deeds [Member] | 60-69% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 1,250,000 [1]
Percent 2.30% [1]
Count 1
Second Trust Deeds [Member] | 60-69% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 1,250,000 [2]
Percent 2.30% [2],[3]
Second Trust Deeds [Member] | Subtotal less than 70% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 7,150,000 [1]
Percent 13.40% [1]
Count 4
Second Trust Deeds [Member] | 70-79% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 600,000 [1]
Percent 1.10% [1]
Count 1
Second Trust Deeds [Member] | 70-79% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 600,000 [2]
Percent 1.10% [2],[3]
Second Trust Deeds [Member] | Subtotal less than 80% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 7,750,000 [1]
Percent 14.50% [1]
Count 5
Second Trust Deeds [Member] | Subtotal less than 80% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 1,850,000 [2]
Percent 3.40% [2],[3]
Second Trust Deeds [Member] | More than or equal to 80% [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Principal $ 0 [1]
Percent 0.00% [1]
Count 0
Second Trust Deeds [Member] | More than or equal to 80% [Member] | Secured Debt [Member]  
Financing Receivable, Credit Quality Indicator [Line Items]  
Percent 0.00% [2],[3]
[1] OLTV classifications in the table above are based on principal, advances and interest unpaid at June 30, 2026.
[2] OLTV classifications in the table above are based on principal, advances and interest unpaid at June 30, 2026.
[3] Percent of total principal, secured loans ($53.3 million) at June 30, 2026.