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FAIR VALUE MEASUREMENTS - Narrative (Details) £ in Millions | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2025 USD ($) Derivative | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) Derivative | Sep. 30, 2024 USD ($) | Sep. 30, 2025 GBP (£) Derivative | Jul. 10, 2025 USD ($) Derivative | Jun. 30, 2025 GBP (£) Derivative | Dec. 31, 2024 USD ($)
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Cash flow hedge gain (loss) to be reclassified to interest expense |  |  | $ 200,000 |  |  |  |  |
Cash flow hedge gain (loss) to be reclassified to interest expense during the next 12 months | $ 200,000 |  | $ 200,000 |  |  |  |  |
Level 3 | Minimum |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Measurement input | 0.11 |  | 0.11 |  | 0.11 |  |  |
Level 3 | Maximum |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Measurement input | 0.15 |  | 0.15 |  | 0.15 |  |  |
Interest Rate Cap |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Derivative, number of instruments held | Derivative | 2 |  | 2 |  | 2 |  |  |
Notional Amount (in thousands) | £ |  |  |  |  | £ 100.0 |  |  |
Interest Rate Cap | Not Designated as Hedging Instrument |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Gain (loss) on interest expense | $ (300,000) |  | $ 200,000 |  |  |  |  |
Interest Rate Swap, Swap One |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Notional Amount (in thousands) |  |  |  |  |  | $ 250,000,000 |  |
Interest Rate Swap, Swap Two |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Notional Amount (in thousands) |  |  |  |  |  | $ 250,000,000 |  |
Forward Contracts |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Derivative, number of instruments held | Derivative |  |  |  |  |  |  | 4 |
Notional Amount (in thousands) | £ |  |  |  |  |  |  | £ 31.0 |
Weighted average exchange rate (in percent) |  |  |  |  |  |  | 134.00% |
Cash flow hedge |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Derivative, number of instruments held | Derivative |  |  |  |  |  | 2 |  |
Fixed interest rate |  |  |  |  |  | 3.50% |  |
Greater than 90 Days Past Due |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Mortgage loan receivable | 0 |  | 0 |  |  |  |  | $ 0
Secured and Mezzanine Loans Receivable |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Other real estate related investments, fair value adjustments, unrealized gain | $ 4,000,000 | $ 5,900,000 | $ 7,300,000 | $ 6,600,000 |  |  |  |
Other real estate related investments, fair value adjustments, unrealized loss |  | $ 4,100,000 |  | $ 7,300,000 |  |  |  |
Financing receivable | Level 3 | Discount Rate | Discounted cash flow |  |  |  |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |  |  |  |
Loans receivable, measurement input | 0.12 |  | 0.12 |  | 0.12 |  |  |

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