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Income Taxes - Schedule of Effective Income Tax Reconciliation (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Effective Income Tax Rate Reconciliation, Percent
Federal statutory income tax rate	21.00%	21.00%	21.00%
Increase (decrease) due to:
California franchise tax, net of federal tax benefit	9.70%	7.90%	8.30%
Tax exempt interest on municipal securities and loans	4.90%	(3.10%)	(1.90%)
Tax exempt earnings on bank owned life insurance	2.60%	(1.50%)	(0.40%)
Non-deductible acquisition related expenses	0.00%	0.00%	0.00%
Non-deductible executive compensation	0.00%	0.00%	0.00%
Other	1.00%	(0.70%)	(0.40%)
Effective Tax Rate	39.20%	23.60%	26.60%

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Increase (Decrease) Due To

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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