v3.26.1
FAIR VALUE MEASUREMENTS - Schedule of Valuation Techniques and Significant Unobservable Inputs Used for Financial Assets and Liabilities (Details) - Significant Unobservable Inputs (Level 3)
$ in Thousands
Jun. 30, 2026
USD ($)
First mortgage loans | Discounted cash flow  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Fair Value as of June 30, 2026 (in thousands) $ 2,646,427
First mortgage loans | Discounted cash flow | Discount Rate | Minimum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.0617
First mortgage loans | Discounted cash flow | Discount Rate | Maximum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.1150
First mortgage loans | Discounted cash flow | Discount Rate | Weighted Average  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.0776
First mortgage loans | Discounted cash flow | Credit spread | Minimum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.0255
First mortgage loans | Discounted cash flow | Credit spread | Maximum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.1200
First mortgage loans | Discounted cash flow | Credit spread | Weighted Average  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.0438
Corporate senior loans and liquid corporate senior loans (1) | Discounted cash flow  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Fair Value as of June 30, 2026 (in thousands) $ 428,499
Corporate senior loans and liquid corporate senior loans (1) | Discounted cash flow | Discount Rate | Minimum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.0350
Corporate senior loans and liquid corporate senior loans (1) | Discounted cash flow | Discount Rate | Maximum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.1915
Corporate senior loans and liquid corporate senior loans (1) | Discounted cash flow | Discount Rate | Weighted Average  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.0919
CMBS | Discounted cash flow; market comparable transactions  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Fair Value as of June 30, 2026 (in thousands) $ 36,134
CMBS | Discounted cash flow; market comparable transactions | Discount Rate | Minimum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.0803
CMBS | Discounted cash flow; market comparable transactions | Discount Rate | Maximum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.3515
CMBS | Discounted cash flow; market comparable transactions | Discount Rate | Weighted Average  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.1496
CMBS | Discounted cash flow; market comparable transactions | Yield assumption | Minimum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.1200
CMBS | Discounted cash flow; market comparable transactions | Yield assumption | Maximum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.4000
CMBS | Discounted cash flow; market comparable transactions | Yield assumption | Weighted Average  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.1955
CLO subordinated note | Discounted cash flow  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Fair Value as of June 30, 2026 (in thousands) $ 15,786
CLO subordinated note | Discounted cash flow | Discount Rate | Minimum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.1650
CLO subordinated note | Discounted cash flow | Discount Rate | Maximum  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.2250
CLO subordinated note | Discounted cash flow | Constant default rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.0200
CLO subordinated note | Discounted cash flow | Recovery rate  
Fair Value Measurement Inputs and Valuation Techniques [Line Items]  
Range/Amount (Weighted Average) 0.6500