Represents the outstanding face amount of assets.

No definition available.

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Balance Type:	debit
Period Type:	instant

- Definition

Represents the liabilities at amortized cost basis.

+ References

No definition available.

+ Details

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- Definition

Debt Securities, Available For Sale, Before Allowance For Credit Loss

+ References

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Represents the outstanding face amount of liabilities.

+ References

No definition available.

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Balance Type:	credit
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- Definition

Represents the period of short interest rate reset risk.

+ References

No definition available.

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- References

No definition available.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 10
-Name Accounting Standards Codification
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Balance Type:	credit
Period Type:	instant

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
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-Publisher FASB
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Balance Type:	debit
Period Type:	instant

- Definition

Value of input used to measure investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
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- Definition

Nominal or face amount used to calculate payments on the derivative asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
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- Definition

Amount excluding accrued interest, of allowance for credit loss on 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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Balance Type:	credit
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- References

No definition available.

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FAIR VALUE OF FINANCIAL INSTRUMENTS - Estimated Fair Values of Financial Instruments (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Assets:
Amortized Cost Basis/Purchase Price	$ 2,079,918	$ 1,067,155
Fair Value	2,075,606	1,062,284
Liabilities:
Allowance for credit losses	(47,137)	(52,323)	$ (43,165)	$ (20,755)
Total mortgage loans receivable
Assets:
Principal Amount	2,234,346
CMBS
Assets:
Amortized Cost Basis/Purchase Price	2,069,307	1,063,835
Fair Value	2,064,922	1,058,874
CMBS interest-only
Assets:
Amortized Cost Basis/Purchase Price	1,283	3,149
Fair Value	1,275	3,244
GNMA interest-only
Assets:
Amortized Cost Basis/Purchase Price	95	160
Fair Value	167	155
Agency securities
Assets:
Amortized Cost Basis/Purchase Price	2	11
Fair Value	2	$ 11
Corporate bonds
Assets:
Amortized Cost Basis/Purchase Price	9,231
Fair Value	$ 9,240
Mortgage loan receivables held for investment, net, at amortized cost
Liabilities:
Period of short interest rate reset risk	30 days	30 days
Recurring \| CMBS
Assets:
Principal Amount	$ 2,070,492	$ 1,065,985
Amortized Cost Basis/Purchase Price	2,069,307	1,063,835
Fair Value	$ 2,064,922	$ 1,058,873
Recurring \| CMBS \| Internal model \| Yield %
Liabilities:
Financial instruments, measurement input	0.0531	0.0613
Recurring \| CMBS \| Internal model \| Remaining Maturity/Duration (years)
Liabilities:
Financial instruments, measurement input	2.97	2.41
Recurring \| CMBS interest-only
Assets:
Principal Amount	$ 347,200	$ 769,724
Amortized Cost Basis/Purchase Price	1,283	3,149
Fair Value	$ 1,275	$ 3,244
Recurring \| CMBS interest-only \| Internal model \| Yield %
Liabilities:
Financial instruments, measurement input	0.0863	0.0781
Recurring \| CMBS interest-only \| Internal model \| Remaining Maturity/Duration (years)
Liabilities:
Financial instruments, measurement input	0.52	0.87
Recurring \| GNMA interest-only
Assets:
Principal Amount	$ 29,203	$ 32,710
Amortized Cost Basis/Purchase Price	95	160
Fair Value	$ 167	$ 155
Recurring \| GNMA interest-only \| Internal model \| Yield %
Liabilities:
Financial instruments, measurement input	0.0924	0.0938
Recurring \| GNMA interest-only \| Internal model \| Remaining Maturity/Duration (years)
Liabilities:
Financial instruments, measurement input	3.27	3.64
Recurring \| Agency securities
Assets:
Principal Amount	$ 2	$ 11
Amortized Cost Basis/Purchase Price	2	11
Fair Value	$ 2	$ 11
Recurring \| Agency securities \| Internal model \| Yield %
Liabilities:
Financial instruments, measurement input	0.0304	0.0260
Recurring \| Agency securities \| Internal model \| Remaining Maturity/Duration (years)
Liabilities:
Financial instruments, measurement input	0.19	0.58
Recurring \| Corporate bonds
Assets:
Principal Amount	$ 9,250
Amortized Cost Basis/Purchase Price	9,231
Fair Value	$ 9,240
Recurring \| Corporate bonds \| Internal model, third-party inputs \| Yield %
Liabilities:
Financial instruments, measurement input	0.0858
Recurring \| Corporate bonds \| Internal model, third-party inputs \| Remaining Maturity/Duration (years)
Liabilities:
Financial instruments, measurement input	2.60
Recurring \| Equity securities
Assets:
Amortized Cost Basis/Purchase Price	$ 12,910	$ 19,511
Fair Value	12,699	18,575
Recurring \| Mortgage loan receivables held for investment, net, at amortized cost
Assets:
Principal Amount		1,596,277
Amortized Cost Basis/Purchase Price	2,217,375	1,591,322
Fair Value	2,214,987	1,575,911
Recurring \| Mortgage loan receivables held for investment, net, at amortized cost \| Discounted Cash Flow
Liabilities:
Allowance for credit losses	$ (47,100)	$ (52,300)
Recurring \| Mortgage loan receivables held for investment, net, at amortized cost \| Discounted Cash Flow \| Yield %
Liabilities:
Financial instruments, measurement input	0.0776	0.0936
Recurring \| Mortgage loan receivables held for investment, net, at amortized cost \| Discounted Cash Flow \| Remaining Maturity/Duration (years)
Liabilities:
Financial instruments, measurement input	1.57	0.86
Recurring \| Mortgage loan receivables held for sale
Assets:
Principal Amount	$ 31,350	$ 31,350
Amortized Cost Basis/Purchase Price	27,986	26,898
Fair Value	$ 27,986	$ 26,898
Recurring \| Mortgage loan receivables held for sale \| Internal model, third-party inputs \| Yield %
Liabilities:
Financial instruments, measurement input	0.0457	0.0457
Recurring \| Mortgage loan receivables held for sale \| Internal model, third-party inputs \| Remaining Maturity/Duration (years)
Liabilities:
Financial instruments, measurement input	6.92	7.18
Recurring \| Nonhedge derivatives
Assets:
Principal Amount	$ 113,500
Non Hedge derivatives		$ 90,000
Amortized Cost Basis/Purchase Price	264	437
Fair Value	$ 264	$ 437
Recurring \| Nonhedge derivatives \| Counterparty quotations \| Remaining Maturity/Duration (years)
Liabilities:
Financial instruments, measurement input	0.22	0.62
Recurring \| Repurchase agreements - short-term
Liabilities:
Principal Amount	$ 627,012	$ 62,738
Amortized Cost Basis/Purchase Price	627,012	62,738
Fair Value	$ 627,012	$ 62,738
Recurring \| Repurchase agreements - short-term \| Cost plus Accrued Interest \| Yield %
Liabilities:
Financial instruments, measurement input	0.0429	0.0655
Recurring \| Repurchase agreements - short-term \| Cost plus Accrued Interest \| Remaining Maturity/Duration (years)
Liabilities:
Financial instruments, measurement input	0.04	0.74
Recurring \| Unsecured Revolving Credit Facility
Liabilities:
Principal Amount	$ 280,000
Amortized Cost Basis/Purchase Price	280,000
Fair Value	$ 280,000
Recurring \| Unsecured Revolving Credit Facility \| Yield %
Liabilities:
Financial instruments, measurement input	0.0242
Recurring \| Unsecured Revolving Credit Facility \| Remaining Maturity/Duration (years)
Liabilities:
Financial instruments, measurement input	2.97
Recurring \| Mortgage loan financing
Liabilities:
Principal Amount	$ 386,543	$ 443,733
Amortized Cost Basis/Purchase Price	388,195	446,397
Fair Value	$ 385,460	$ 435,048
Recurring \| Mortgage loan financing \| Discounted Cash Flow \| Yield %
Liabilities:
Financial instruments, measurement input	0.0588	0.0609
Recurring \| Mortgage loan financing \| Discounted Cash Flow \| Remaining Maturity/Duration (years)
Liabilities:
Financial instruments, measurement input	4.01	3.36
Recurring \| CLO debt
Liabilities:
Principal Amount		$ 601,464
Amortized Cost Basis/Purchase Price		601,380
Fair Value		$ 601,430
Recurring \| CLO debt \| Discounted Cash Flow \| Yield %
Liabilities:
Financial instruments, measurement input		0.0201
Recurring \| CLO debt \| Discounted Cash Flow \| Remaining Maturity/Duration (years)
Liabilities:
Financial instruments, measurement input		0.98
Recurring \| Senior unsecured notes
Liabilities:
Principal Amount	$ 2,233,409	$ 2,041,557
Amortized Cost Basis/Purchase Price	2,215,195	2,025,053
Fair Value	$ 2,265,416	$ 2,001,207
Recurring \| Senior unsecured notes \| Internal model \| Yield %
Liabilities:
Financial instruments, measurement input	0.0529	0.0522
Recurring \| Senior unsecured notes \| Internal model \| Remaining Maturity/Duration (years)
Liabilities:
Financial instruments, measurement input	3.54	3.72