Fair Value Measurement and Fair Value of Financial Instruments - Schedule of Decrease in Fair Value of Assets for which a Fair Value Adjustment was Recognized, Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value adjustment	$ (18,096)	$ (22,866)
Loans held-for-investment
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value adjustment	(14,212)	(18,645)
Loans held-for-investment | Commercial Lending | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value adjustment	(12,906)	(3,625)
Loans held-for-investment | Commercial Lending | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value adjustment	(1,306)	(13,839)
Loans held-for-investment | Commercial Lending | Multifamily residential
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value adjustment	0	(1,181)
Loans held-for-sale
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value adjustment	(3,792)	0
OREO
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value adjustment	$ (92)	$ (4,221)