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		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value losses	$ (30,299)	$ (361)	$ (52,465)	$ (22,335)
Loans held-for-investment
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value losses	(28,616)	(361)	(50,782)	(19,759)
Loans held-for-investment | Commercial lending
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value losses	(28,616)	(371)	(50,782)	(18,363)
Loans held-for-investment | Commercial lending | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value losses	(28,616)	(266)	(30,897)	(16,025)
Loans held-for-investment | Commercial lending | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value losses	0	89	(19,885)	0
Loans held-for-investment | Commercial lending | Multifamily residential
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value losses	0	(49)	0	(49)
Loans held-for-investment | Commercial lending | Construction and land
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value losses	0	(145)	0	(2,289)
Loans held-for-investment | Commercial lending | Total CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value losses	0	(105)	(19,885)	(2,338)
Loans held-for-investment | Consumer lending
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value losses	0	10	0	(1,396)
Loans held-for-investment | Consumer lending | Single-family residential
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value losses	0	10	0	(1,396)
Affordable housing partnership, tax credit and CRA investments, net
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value losses	(550)	0	(550)	0
OREO
Fair Value, Assets Measured on a Nonrecurring Basis
Fair value losses	$ (1,133)	$ 0	$ (1,133)	$ (2,576)