Fair Value - Narrative (Details)	1 Months Ended	3 Months Ended					6 Months Ended		12 Months Ended
	May 31, 2025 property	Jun. 30, 2025 USD ($) measurement_input loan property	Mar. 31, 2025 USD ($) loan	Dec. 31, 2024 USD ($) measurement_input loan	Jun. 30, 2024 USD ($) loan	Mar. 31, 2024 USD ($) loan	Jun. 30, 2025 USD ($) measurement_input loan property	Jun. 30, 2024 USD ($) loan	Dec. 31, 2024 USD ($) measurement_input loan	Dec. 31, 2024 USD ($) measurement_input loan	Dec. 31, 2024 USD ($) measurement_input loan property	Dec. 31, 2024 USD ($) measurement_input loan Property
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Increase of current expected credit loss reserve | $							$ 346,000	$ 114,312,000
Impairment of operating real estate | $		$ 51,127,000			$ 45,216,000		$ 51,127,000	$ 45,216,000
Number of impaired properties | property		2					2
Number legal titles acquired | property	1
Number of loans							2
Hotel Loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of loans on nonaccrual collateral dependent		1
Multifamily
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of loans on nonaccrual collateral dependent		1
Impairment of operating real estate | $							$ 6,700,000
Number legal titles acquired | property											1
Denver, Colorado
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans on nonaccrual status		1		1			1		1	1	1	1
Hotel Loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Increase of current expected credit loss reserve | $		$ 1,300,000
Number of loans on nonaccrual collateral dependent										1
Multifamily
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Increase of current expected credit loss reserve | $		$ 18,200,000
Multifamily | Denver, Colorado
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans on nonaccrual status		2			1		2	1
Multifamily loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Increase of current expected credit loss reserve | $			$ 9,200,000	$ 9,000,000					$ 30,000,000
Number of loans on nonaccrual collateral dependent										1
Loans on nonaccrual status		1	1	2			1		2	2	2	2
Multifamily loans | Denver, Colorado
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Increase of current expected credit loss reserve | $					$ (1,000,000)				$ 1,000,000
Office loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of loans on nonaccrual collateral dependent										2
Loans on nonaccrual status		2		2			2		2	2	2	2
Number of loans on nonaccrual repayment										1
Office property held for sale | Property												1
Industrial Loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans on nonaccrual status		1					1
Development Mezzanine Loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans on nonaccrual status				1					1	1	1	1
Loans held for investment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Increase of current expected credit loss reserve | $		$ 19,482,000	$ 9,174,000		$ 11,791,000	$ 7,128,000
Loans on nonaccrual status		2				1	2
Loans held for investment | Denver, Colorado
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Increase of current expected credit loss reserve | $						$ 7,100,000	$ 28,700,000
Loans held for investment | Long Island City, New York
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of operating real estate | $									$ 47,500,000
Number of loans										3	3
Other real estate foreclosed assets | $				$ 6,700,000					$ 6,700,000	$ 6,700,000	$ 6,700,000	$ 6,700,000
Discount Rate | Hotel Loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input		0.105					0.105
Discount Rate | Multifamily loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input				0.060					0.060	0.060	0.060	0.060
Capitalization Rate | Hotel Loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input		0.080					0.080
Capitalization Rate | Multifamily loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input				0.053					0.053	0.053	0.053	0.053
Minimum | Discount Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input		0.100		0.095			0.100		0.095	0.095	0.095	0.095
Minimum | Discount Rate | Loans held for investment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input				0.081					0.081	0.081	0.081	0.081
Minimum | Capitalization Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input		0.055		0.080			0.055		0.080	0.080	0.080	0.080
Minimum | Capitalization Rate | Loans held for investment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input				0.055					0.055	0.055	0.055	0.055
Minimum | Level 3 | Sales price
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input | $		42,823					42,823
Minimum | Other assets - PE Investments | Level 3 | Recurring basis | Discount Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input | measurement_input		0.110		0.110			0.110		0.110	0.110	0.110	0.110
Maximum | Discount Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input		0.202		0.202			0.202		0.202	0.202	0.202	0.202
Maximum | Discount Rate | Loans held for investment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input				0.098					0.098	0.098	0.098	0.098
Maximum | Capitalization Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input		0.191		0.088			0.191		0.088	0.088	0.088	0.088
Maximum | Capitalization Rate | Loans held for investment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input				0.095					0.095	0.095	0.095	0.095
Maximum | Sales price
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input		97					97
Maximum | Level 3 | Sales price
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input | $		86,824					86,824
Maximum | Other assets - PE Investments | Level 3 | Recurring basis | Discount Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input | measurement_input		0.120		0.120			0.120		0.120	0.120	0.120	0.120
Weighted average | Capitalization Rate | Loans held for investment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input				0.076					0.076	0.076	0.076	0.076