Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Taxes [Abstract]
Federal statutory rate		$ 27,043	$ 25,671	$ 24,476
Federal statutory rate		21.00%	21.00%	21.00%
Tax Jurisdiction of Domicile [Extensible Enumeration]		United States	United States	United States
State taxes, net of federal income tax benefit	[1]	$ 8,119	$ 9,730	$ 9,290
State taxes, net of federal income tax benefit	[1]	6.30%	7.96%	7.97%
Low-income housing tax credits		$ (5,560)	$ (4,253)	$ (3,528)
Low-income housing tax credits		(4.32%)	(3.48%)	(3.03%)
Bank-owned life insurance		$ (558)	$ (521)	$ (1,338)
Bank-owned life insurance		(0.43%)	(0.43%)	(1.15%)
Tax-exempt interest income, net of TEFRA		$ (780)	$ (512)	$ (470)
Tax-exempt interest income, net of TEFRA		(0.61%)	(0.45%)	(0.40%)
Other		$ 164	$ 123	$ 76
Other		0.13%	0.10%	0.07%
Nondeductible items		$ 5,250	$ 0	$ 0
Nondeductible items		4.08%	0.00%	0.00%
Compensation expense		$ (3,685)	$ (137)	$ (267)
Compensation expense		(2.86%)	(0.11%)	(0.23%)
Tax effect of low-income housing tax credit losses		$ (1,137)	$ (921)	$ 0
Tax effect of low-income housing tax credit losses		(0.88%)	(0.75%)	0.00%
Low-income housing tax credit amortization		$ 6,031	$ 4,566	$ 0
Low-income housing tax credit amortization		4.68%	3.73%	0.00%
Other, net		$ 284	$ 41	$ 0
Other, net		0.22%	0.07%	0.00%
Income tax expense		$ 35,171	$ 33,787	$ 28,239
Total effective tax rate		27.31%	27.64%	24.23%

[1] State taxes in California made up the majority (greater than 50%) of the tax effect in the category.