Loans Receivable and Allowance for Credit Losses - Schedule Of Financial Effects of Loan Modifications (Details)	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Commercial lending \| C&I \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	0.00%	0.00%
Commercial lending \| C&I \| Weighted-Average Term Extension (in years)
Loans Modified
Weighted average of loans (in years)	1 year 1 month 6 days	1 year 9 months 18 days
Commercial lending \| C&I \| Weighted-Average Payment Delay (in years)
Loans Modified
Weighted average of loans (in years)	1 year	1 year 8 months 12 days
Commercial lending \| CRE \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	0.00%	2.75%
Commercial lending \| CRE \| Weighted-Average Term Extension (in years)
Loans Modified
Weighted average of loans (in years)	5 years	1 year 6 months
Commercial lending \| CRE \| Weighted-Average Payment Delay (in years)
Loans Modified
Weighted average of loans (in years)	0 years	1 year 8 months 12 days
Consumer lending \| Single-family residential \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	0.00%	0.00%
Consumer lending \| Single-family residential \| Weighted-Average Term Extension (in years)
Loans Modified
Weighted average of loans (in years)	10 years	0 years
Consumer lending \| Single-family residential \| Weighted-Average Payment Delay (in years)
Loans Modified
Weighted average of loans (in years)	1 year	8 months 12 days
Consumer lending \| HELOCs \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	0.00%	0.25%
Consumer lending \| HELOCs \| Weighted-Average Term Extension (in years)
Loans Modified
Weighted average of loans (in years)	17 years 7 months 6 days	0 years
Consumer lending \| HELOCs \| Weighted-Average Payment Delay (in years)
Loans Modified
Weighted average of loans (in years)	15 years 4 months 24 days	3 years 2 months 12 days

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage of decrease in weighted average contractual interest rate of financing receivable modified for debtor experiencing financial difficulty.

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