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Loans Receivable and Allowance for Credit Losses - Schedule Of Financial Effects of Loan Modifications (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Commercial lending \| C&I \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	0.00%	0.00%	0.00%	0.00%
Commercial lending \| C&I \| Term Extension
Loans Modified
Weighted average of loans (in years)	9 months 18 days	3 years	1 year 7 months 6 days	1 year 4 months 24 days
Commercial lending \| C&I \| Payment Delay
Loans Modified
Weighted average of loans (in years)	0 years	1 year 6 months	1 year 7 months 6 days	1 year 2 months 12 days
Commercial lending \| C&I \| Principal Forgiveness
Loans Modified
Loan modification amount		$ 26		$ 371
Commercial lending \| CRE \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	0.00%	0.00%	0.00%	3.00%
Commercial lending \| CRE \| Term Extension
Loans Modified
Weighted average of loans (in years)	3 years 3 months 18 days	1 year 1 month 6 days	2 years 4 months 24 days	2 years 1 month 6 days
Commercial lending \| CRE \| Payment Delay
Loans Modified
Weighted average of loans (in years)	0 years	0 years	0 years	0 years
Commercial lending \| CRE \| Principal Forgiveness
Loans Modified
Loan modification amount		$ 0		$ 0
Consumer lending \| Single-family residential \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	1.63%	0.00%	1.63%	0.00%
Consumer lending \| Single-family residential \| Term Extension
Loans Modified
Weighted average of loans (in years)	10 years	10 years	10 years	9 years 10 months 24 days
Consumer lending \| Single-family residential \| Payment Delay
Loans Modified
Weighted average of loans (in years)	2 years 7 months 6 days	1 year	1 year 4 months 24 days	1 year
Consumer lending \| Single-family residential \| Principal Forgiveness
Loans Modified
Loan modification amount		$ 0		$ 0
Consumer lending \| HELOCs \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	0.00%	0.50%	0.25%	0.50%
Consumer lending \| HELOCs \| Term Extension
Loans Modified
Weighted average of loans (in years)	0 years	16 years 8 months 12 days	0 years	15 years 4 months 24 days
Consumer lending \| HELOCs \| Payment Delay
Loans Modified
Weighted average of loans (in years)	7 months 6 days	8 months 12 days	2 years	6 months
Consumer lending \| HELOCs \| Principal Forgiveness
Loans Modified
Loan modification amount		$ 0		$ 0
Consumer lending \| Other consumer \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction			0.00%	0.00%
Consumer lending \| Other consumer \| Term Extension
Loans Modified
Weighted average of loans (in years)			9 months 18 days	0 years
Consumer lending \| Other consumer \| Payment Delay
Loans Modified
Weighted average of loans (in years)			0 years	0 years
Consumer lending \| Other consumer \| Principal Forgiveness
Loans Modified
Loan modification amount				$ 0