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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- Definition

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

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- Definition

Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Loans Receivable and Allowance for Credit Losses - Schedule Of Financial Effects of Loan Modifications (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Commercial lending \| C&I \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	1.00%	0.00%	3.37%	0.00%
Commercial lending \| C&I \| Weighted-Average Term Extension (in years)
Loans Modified
Weighted average of loans (in years)	1 year 3 months 18 days	9 months 18 days	1 year 1 month 6 days	1 year 7 months 6 days
Commercial lending \| C&I \| Weighted-Average Payment Delay (in years)
Loans Modified
Weighted average of loans (in years)	8 months 12 days	0 years	9 months 18 days	1 year 7 months 6 days
Commercial lending \| CRE \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	0.00%	0.00%	0.00%	0.00%
Commercial lending \| CRE \| Weighted-Average Term Extension (in years)
Loans Modified
Weighted average of loans (in years)	1 year 3 months 18 days	3 years 3 months 18 days	3 years	2 years 4 months 24 days
Commercial lending \| CRE \| Weighted-Average Payment Delay (in years)
Loans Modified
Weighted average of loans (in years)	0 years	0 years	0 years	0 years
Commercial lending \| Multifamily residential \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction			0.00%	0.00%
Commercial lending \| Multifamily residential \| Weighted-Average Term Extension (in years)
Loans Modified
Weighted average of loans (in years)			10 years	0 years
Commercial lending \| Multifamily residential \| Weighted-Average Payment Delay (in years)
Loans Modified
Weighted average of loans (in years)			0 years	0 years
Commercial lending \| Land and construction \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction			0.00%	0.00%
Commercial lending \| Land and construction \| Weighted-Average Term Extension (in years)
Loans Modified
Weighted average of loans (in years)			9 months 18 days	0 years
Commercial lending \| Land and construction \| Weighted-Average Payment Delay (in years)
Loans Modified
Weighted average of loans (in years)			0 years	0 years
Consumer lending \| Single-family residential \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	0.00%	1.63%	0.00%	1.63%
Consumer lending \| Single-family residential \| Weighted-Average Term Extension (in years)
Loans Modified
Weighted average of loans (in years)	17 years 6 months	10 years	16 years 3 months 18 days	10 years
Consumer lending \| Single-family residential \| Weighted-Average Payment Delay (in years)
Loans Modified
Weighted average of loans (in years)	4 years 7 months 6 days	2 years 7 months 6 days	3 years 7 months 6 days	1 year 4 months 24 days
Consumer lending \| HELOCs \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	1.50%	0.00%	0.97%	0.25%
Consumer lending \| HELOCs \| Weighted-Average Term Extension (in years)
Loans Modified
Weighted average of loans (in years)	20 years	0 years	15 years 3 months 18 days	0 years
Consumer lending \| HELOCs \| Weighted-Average Payment Delay (in years)
Loans Modified
Weighted average of loans (in years)	6 years 7 months 6 days	7 months 6 days	6 years 9 months 18 days	2 years
Consumer lending \| Other consumer \| Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction			0.00%	0.00%
Consumer lending \| Other consumer \| Weighted-Average Term Extension (in years)
Loans Modified
Weighted average of loans (in years)			0 years	9 months 18 days
Consumer lending \| Other consumer \| Weighted-Average Payment Delay (in years)
Loans Modified
Weighted average of loans (in years)			0 years	0 years