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Related Party Transactions - Other Related Party Transactions (Details)					1 Months Ended	12 Months Ended
	Jun. 30, 2025 USD ($)	Dec. 20, 2023 USD ($)	Nov. 15, 2023 USD ($)	Nov. 30, 2018 USD ($)	Feb. 28, 2019 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2024 ft²	Jan. 12, 2024 USD ($)	Mar. 10, 2022 USD ($)	Mar. 16, 2020 USD ($)	Feb. 26, 2020 USD ($)	Nov. 28, 2018 USD ($)
Related Party Transaction
Payables to related parties						$ 1,835,000	$ 0
Maximum amount per loan					$ 100,000,000.0
Limit on loans that have not yet been acquired or sold					250,000,000.0
Limit on loans outstanding					$ 250,000,000.0
Long-term debt						$ 671,746,000	670,673,000
Due from related party, percentage from sale						10.00%
7.500% Senior Notes
Related Party Transaction
Basis spread on variable rate						1.60%
Unsecured Debt | 7.500% Senior Notes
Related Party Transaction
Stated interest rate									7.50%
Revolving Credit Facility | Line of Credit
Related Party Transaction
Maximum revolving credit										$ 600,000,000.0	$ 465,000,000.0	$ 425,000,000.0	$ 250,000,000.0
Revolving Credit Facility | Line of Credit | Cantor Credit Agreement
Related Party Transaction
Maximum revolving credit		$ 150,000,000.0		$ 250,000,000.0
Basis spread on variable rate				1.00%
Borrowings of long-term debt		130,000,000.0	$ 130,000,000.0
Long-term debt						$ 0	0		$ 130,000,000.0
Related Party
Related Party Transaction
Receivables, net						0	326,000
Payables to related parties						1,800,000	$ 0
Related Party | Cantor
Related Party Transaction
Net rentable area | ft²								6,200
Monthly payment on sublease						37,000
Lessor, operating sublease, lease received	$ 400,000
Related Party | Unsecured Debt | 7.500% Senior Notes
Related Party Transaction
Stated interest rate									7.50%
Related Party | Cantor Credit Agreement | Line of Credit
Related Party Transaction
Maximum revolving credit				$ 250,000,000.0
Basis spread on variable rate				1.00%
Related Party | Revolving Credit Facility | Line of Credit | Cantor Credit Agreement
Related Party Transaction
Borrowings of long-term debt		$ 130,000,000.0
Long-term debt						$ 0

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