FAIR VALUE - Schedule of Quantitative Inputs and Assumptions (Details) $ in Thousands	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Fair Value Measurement Inputs and Valuation Techniques
Investments in unconsolidated joint venture partnerships	$ 77,703	$ 38,386
Debt-related investments	137,857	28,844
Available-for-sale debt securities	120,955	136,557
DST Program Loans	170,865	71,068
Financing obligations	2,126,267	878,386
Level 3
Fair Value Measurement Inputs and Valuation Techniques
Investments in unconsolidated joint venture partnerships	77,703	38,386
Debt-related investments	137,857	28,844
Available-for-sale debt securities	118,173	123,187
DST Program Loans	170,865	71,068
Financing obligations	2,126,267	878,386
Level 3 | Direct Capitalization | Capitalization Rate
Fair Value Measurement Inputs and Valuation Techniques
Investments in unconsolidated joint venture partnerships	77,703	38,386
Level 3 | Yield Method | Market Yield
Fair Value Measurement Inputs and Valuation Techniques
Debt-related investments	137,857	28,844
Available-for-sale debt securities	118,173	123,187
DST Program Loans	$ 170,865	$ 71,068
Available-for sale debt security percentage	0.110	0.133
Level 3 | Discounted Cash Flow | Discount Rate Exit Capitalization Rate
Fair Value Measurement Inputs and Valuation Techniques
Financing obligations	$ 2,126,267	$ 878,386