Fair Value Measurements - Schedule of Fair Value Measurements, Recurring (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2026	Dec. 31, 2025	Dec. 31, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable securities available-for-sale	$ 21,273	$ 23,666
Derivative instruments (included in Other assets)	12,930	8,000
Real estate loans held by consolidated securitization vehicles	1,031,212	1,023,877
Debt fund investments	379,004	152,958
Derivative instruments (included in Other liabilities)	1,581	17,360
Senior obligations of consolidated securitization vehicles	1,031,212	1,023,877
Secured borrowing (included in Other liabilities)	167,213	244,941
One Madison Avenue \| National Pension Service of Korea / Hines Interest LP / International Investor
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment in joint venture aggregate maximum ownership percentage			25.00%
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable securities available-for-sale	0	0
Derivative instruments (included in Other assets)	0	0
Real estate loans held by consolidated securitization vehicles	0	0
Debt fund investments	0	0
Derivative instruments (included in Other liabilities)	0	0
Senior obligations of consolidated securitization vehicles	0	0
Secured borrowing (included in Other liabilities)	0	0
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable securities available-for-sale	21,273	23,666
Derivative instruments (included in Other assets)	12,930	8,000
Real estate loans held by consolidated securitization vehicles	910,280	895,998
Debt fund investments	0	0
Derivative instruments (included in Other liabilities)	1,581	17,360
Senior obligations of consolidated securitization vehicles	910,280	895,998
Secured borrowing (included in Other liabilities)	0	0
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable securities available-for-sale	0	0
Derivative instruments (included in Other assets)	0	0
Real estate loans held by consolidated securitization vehicles	120,932	127,879
Debt fund investments	379,004	152,958
Derivative instruments (included in Other liabilities)	0	0
Senior obligations of consolidated securitization vehicles	120,932	127,879
Secured borrowing (included in Other liabilities)	167,213	244,941
Level 3 \| The Debt Investment Fund
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fund purchased	219,700	146,900
Unrealized gains on investments	$ 5,100	$ 6,000

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Investment In Joint Venture Aggregate Maximum Ownership Percentage

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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