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Fair Value - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2026 USD ($) loan	Mar. 31, 2025 USD ($)
Fair Value of Financial Instruments
Increase (decrease) of current expected credit loss reserve	$ 1,746	$ (235)
Multifamily
Fair Value of Financial Instruments
Number of loans on nonaccrual collateral dependent | loan	1
Loans held for investment
Fair Value of Financial Instruments
Increase (decrease) of current expected credit loss reserve	$ 2,639	$ 9,174
Loans held for investment | Multifamily
Fair Value of Financial Instruments
Increase (decrease) of current expected credit loss reserve	$ 2,800

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