Fair Value Measurement and Fair Value of Financial Instruments - Increase (Decrease) in Fair Value of Assets Measured on a Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Loans held-for-investment
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	$ (17,457)	$ (1,255)
Loans held-for-investment | Commercial lending
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(16,073)	(1,255)
Loans held-for-investment | Commercial lending | Commercial and industrial (“C&I”)
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(12,843)	(1,255)
Loans held-for-investment | Commercial lending | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(2,006)	0
Loans held-for-investment | Commercial lending | Construction and land
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(1,224)	0
Loans held-for-investment | Consumer lending
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(1,384)	0
Loans held-for-investment | Consumer lending | Single Family Residential
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(1,384)	0
Tax credit investments
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	$ 0	$ 174