Loans Held for Investment, net - Loan Portfolio Statistics (Details) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2026 USD ($) loan	Dec. 31, 2025 USD ($) loan	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Receivables [Abstract]
Number of loans \| loan	26	24
Total loan commitments	$ 775,958	$ 724,458
Unfunded loan commitments	43,955	36,873
Principal balance	732,003	687,585	$ 661,389	$ 610,811
Carrying value	$ 720,601	$ 676,908
Weighted average coupon rate	7.44%	7.52%
Weighted average all in yield	7.84%	7.92%
Weighted average floor	2.83%	2.81%
Weighted average maximum maturity (years)	2 years 7 months 6 days	2 years 7 months 6 days
Weighted average risk rating	2.8	2.8

Financing Receivable, Unfunded Loan Commitments

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- Definition

Loans Held-For-Investment, Commitments

+ References

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- Definition

Loans Receivable, Average All-In Yield, Percentage

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Loans Receivable, Weighted Average Coupon Rate, Percentage

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- Definition

Loans Receivable Weighted Average Floor Percentage

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Loans Receivable, Weighted Average Term Of Maturity

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- Definition

Mortgage Loans On Real Estate, Weighted Average Risk Rating Of Portfolio

+ References

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- Definition

Amount of contractual principal due at origination of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Subsection 29
-Paragraph Column F
-Publisher SEC

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section S50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478322/948-310-S50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column F))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479628/948-310-S99-1

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- Definition

Number of mortgage loans within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-X (SX)
-Number 210
-Section 12
-Subsection 29
-Paragraph Column A
-Footnote 3
-Publisher SEC

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section S50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478322/948-310-S50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 948
-SubTopic 310
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29(Column A)(Footnote 3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479628/948-310-S99-1

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- Definition

Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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