NOTES PAYABLE - Schedule of Long-term Debt Instruments (Details) $ in Thousands					1 Months Ended	3 Months Ended
	Sep. 23, 2025 USD ($)	Apr. 01, 2025 USD ($)	Nov. 22, 2024 USD ($) property	Jan. 01, 2024 USD ($)	Jul. 31, 2025 USD ($)	Mar. 31, 2026 USD ($) project extension_option	Dec. 31, 2025 USD ($)
Debt Instrument [Line Items]
Total notes payable principal outstanding						$ 1,245,408	$ 1,293,394
Deferred financing costs, net						(8,341)	(10,742)
Total Notes Payable, net						1,237,067	1,282,652
Face amount of debt						1,245,408	1,293,394
Mortgages | The Almaden Mortgage Loan
Debt Instrument [Line Items]
Total notes payable principal outstanding						$ 116,490	116,880
Stated percentage						7.45%
Effective interest rate						7.45%
Debt instrument, periodic payment, principal				$ 130
Mortgages | Carillon Mortgage Loan
Debt Instrument [Line Items]
Total notes payable principal outstanding						$ 89,793	90,017
Effective interest rate						5.66%
Debt instrument, periodic payment, principal		$ 112
Mortgages | Carillon Mortgage Loan | One-month SOFR
Debt Instrument [Line Items]
Basis spread on variable rate						2.00%
Mortgages | 3001 & 3003 Washington Mortgage Loan
Debt Instrument [Line Items]
Total notes payable principal outstanding						$ 138,807	138,807
Effective interest rate						6.66%
Mortgages | 3001 & 3003 Washington Mortgage Loan | One-month SOFR
Debt Instrument [Line Items]
Basis spread on variable rate						2.90%
Mortgages | 3001 & 3003 Washington Mortgage Loan | Adjusted Term Secured Overnight Financing Rate (ASOFR)
Debt Instrument [Line Items]
Basis spread on variable rate						0.10%
Secured Debt | Carillon Mortgage Loan
Debt Instrument [Line Items]
Face amount of debt						$ 89,800
Secured Debt | Carillon Mortgage Loan | Loan Guarantor and Loan Borrower
Debt Instrument [Line Items]
Hold costs available for future disbursement						3,900
Secured Debt | Modified Portfolio Revolving Loan Facility
Debt Instrument [Line Items]
Total notes payable principal outstanding						$ 157,624	204,996
Effective interest rate						6.66%
Secured Debt | Modified Portfolio Revolving Loan Facility | Loan Guarantor and Loan Borrower
Debt Instrument [Line Items]
Hold costs available for future disbursement						$ 2,800
Secured Debt | Modified Portfolio Revolving Loan Facility | One-month SOFR
Debt Instrument [Line Items]
Basis spread on variable rate						3.00%
Secured Debt | Accenture Tower Loan
Debt Instrument [Line Items]
Total notes payable principal outstanding						$ 317,447	317,447
Effective interest rate						6.66%
Face amount of debt						$ 317,400
Number of extensions | extension_option						1
Extension period						12 months
Secured Debt | Accenture Tower Loan | Loan Guarantor and Loan Borrower
Debt Instrument [Line Items]
Hold costs available for future disbursement						$ 4,600
Secured Debt | Accenture Tower Loan | One-month SOFR
Debt Instrument [Line Items]
Basis spread on variable rate						3.00%
Secured Debt | Amended and Restated Portfolio Loan Facility
Debt Instrument [Line Items]
Total notes payable principal outstanding						$ 387,747	387,747
Effective interest rate						6.66%
Number of extensions | extension_option						2
Extension period						12 months
Repayments of debt					$ 87,700
Debt instrument, available for future disbursement						$ 5,500
Secured Debt | Amended and Restated Portfolio Loan Facility | Debt Covenant Period One
Debt Instrument [Line Items]
Debt instrument, covenant, maximum number of counted projects | project						5
Secured Debt | Amended and Restated Portfolio Loan Facility | Debt Covenant Period Two
Debt Instrument [Line Items]
Debt instrument, covenant, maximum number of counted projects | project						4
Secured Debt | Amended and Restated Portfolio Loan Facility | Debt Covenant Period Three
Debt Instrument [Line Items]
Debt instrument, covenant, maximum number of counted projects | project						3
Secured Debt | Amended and Restated Portfolio Loan Facility | Debt Covenant Period One
Debt Instrument [Line Items]
Debt instrument, covenant, required debt pay down, maximum amount						$ 420,000
Secured Debt | Amended and Restated Portfolio Loan Facility | Debt Covenant Period Two
Debt Instrument [Line Items]
Debt instrument, covenant, required debt pay down, maximum amount						300,000
Secured Debt | Amended and Restated Portfolio Loan Facility | Debt Covenant Period Three
Debt Instrument [Line Items]
Debt instrument, covenant, required debt pay down, maximum amount						$ 150,000
Secured Debt | Amended and Restated Portfolio Loan Facility | One-month SOFR
Debt Instrument [Line Items]
Basis spread on variable rate						3.00%
Line of Credit | Credit Facility
Debt Instrument [Line Items]
Total notes payable principal outstanding	$ 37,500					$ 37,500	$ 37,500
Effective interest rate						6.66%
Repayments of debt	$ 25,400
Line of Credit | Credit Facility | Debt Covenant Period One
Debt Instrument [Line Items]
Debt instrument, covenant, required property sale, number | property			1
Debt instrument, covenant, required debt pay down, maximum amount			$ 25,400
Debt instrument, covenant, required maximum principal balance			$ 37,500
Line of Credit | Credit Facility | Debt Covenant Period Two
Debt Instrument [Line Items]
Debt instrument, covenant, required property sale, number | property			1
Debt instrument, covenant, required maximum principal balance			$ 27,500
Debt instrument, covenant, debt paydown requirement, percent of property sale proceeds			0.50
Line of Credit | Credit Facility | Debt Covenant Period Three
Debt Instrument [Line Items]
Debt instrument, covenant, required property sale, number | property			3
Debt instrument, covenant, debt paydown requirement, percent of property sale proceeds			1
Line of Credit | Credit Facility | One-month SOFR
Debt Instrument [Line Items]
Basis spread on variable rate						3.00%