Fair Value of Financial Instruments - Schedule of Valuation Method of Level 3 Financial Instruments Measured on a Recurring Basis (Details) - USD ($)
$ in Thousands

6 Months Ended

12 Months Ended

Jun. 30, 2026

Dec. 31, 2025

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Commercial mortgage loans, held for sale, measured at fair value - Non-Agency

^[1]

$ 251,842

$ 360,718

Fair Value, Measurements, Recurring

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Commercial mortgage loans, held for sale, measured at fair value - Non-Agency

4,450

29,500

Fair Value, Measurements, Recurring | Level III

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Commercial mortgage loans, held for sale, measured at fair value - Non-Agency

4,450

29,500

Commercial mortgage loans, held for sale | Fair Value, Measurements, Recurring | Level III | Discounted Cash Flow

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Commercial mortgage loans, held for sale, measured at fair value - Non-Agency

4,450

29,500

Loan commitments and forward sale commitments, net

$ 4,732

5,106

Yield (percentage)

6.24%

Commercial mortgage loans, held for sale | Fair Value, Measurements, Recurring | Level III | Discounted Cash Flow | VIE assets, measured at fair value(1)

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Commercial mortgage loans, at fair value

$ 541,121

Commercial mortgage loans, held for sale | Fair Value, Measurements, Recurring | Level III | Discounted Cash Flow | CML, HFS, measured at fair value - Agency

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Commercial mortgage loans, held for sale, measured at fair value - Non-Agency

$ 247,392

$ 331,218

Commercial mortgage loans, held for sale | Fair Value, Measurements, Recurring | Level III | Discounted Cash Flow | Weighted Average

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Yield (percentage)

6.24%

6.56%

Discount rate (percentage)

4.88%

4.81%

Commercial mortgage loans, held for sale | Fair Value, Measurements, Recurring | Level III | Discounted Cash Flow | Weighted Average | VIE assets, measured at fair value(1)

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Yield (percentage)

5.86%

Commercial mortgage loans, held for sale | Fair Value, Measurements, Recurring | Level III | Discounted Cash Flow | Weighted Average | CML, HFS, measured at fair value - Agency

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Discount rate (percentage)

4.88%

4.81%

Commercial mortgage loans, held for sale | Fair Value, Measurements, Recurring | Level III | Discounted Cash Flow | Minimum

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Yield (percentage)

6.42%

Discount rate (percentage)

3.55%

4.07%

Commercial mortgage loans, held for sale | Fair Value, Measurements, Recurring | Level III | Discounted Cash Flow | Minimum | VIE assets, measured at fair value(1)

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Yield (percentage)

3.16%

Commercial mortgage loans, held for sale | Fair Value, Measurements, Recurring | Level III | Discounted Cash Flow | Minimum | CML, HFS, measured at fair value - Agency

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Discount rate (percentage)

3.55%

4.07%

Commercial mortgage loans, held for sale | Fair Value, Measurements, Recurring | Level III | Discounted Cash Flow | Maximum

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Yield (percentage)

7.25%

Discount rate (percentage)

6.61%

6.28%

Commercial mortgage loans, held for sale | Fair Value, Measurements, Recurring | Level III | Discounted Cash Flow | Maximum | VIE assets, measured at fair value(1)

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Yield (percentage)

21.88%

Commercial mortgage loans, held for sale | Fair Value, Measurements, Recurring | Level III | Discounted Cash Flow | Maximum | CML, HFS, measured at fair value - Agency

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Discount rate (percentage)

6.61%

6.28%

[1]	Includes pledged assets of $818.5 million and $855.2 million as of June 30, 2026 and December 31, 2025, respectively.