Loans - Summary of Financial Effect of Modifications Made to Borrowers Experiencing Financial Difficulty (Details) - Mortgage Loan on Real Estate	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2025
Residential \| Payment Delay
Financing Receivable, Modified [Line Items]
Financing receivable, modified, payment description	Provided three-month payment deferral. The three monthly payments were added to the end of the original loan term.	Provided six-month payment deferral. The three monthly payments were added to the end of the original loan term.
Financing receivable, modified, payment deferral, period	3 months	3 months
Commercial and multi-family \| Combination Payment Delay and Term Extension
Financing Receivable, Modified [Line Items]
Financing receivable, modified, payment description		Added 5 years weighted average maturity to the life of the loan
Financing receivable, modified, weighted-average term increase from modification		5 years
Commercial and multi-family \| Combination Term Extension, Payment Delay and Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Financing receivable, modified, payment description		Reduced weighted average contractual interest rate from 10.0% to 7.5% and added a weighted average 6.4 years to the life of the loan
Financing receivable, modified, weighted-average term increase from modification		6 years 4 months 24 days
Financing receivable weighted average contractual interest rate before modification	10.00%	10.00%
Financing receivable weighted average contractual interest rate after modification	7.50%	7.50%
Commercial and multi-family \| Term Extension
Financing Receivable, Modified [Line Items]
Financing receivable, modified, payment description	Added 1 year weighted average maturity to the life of the loan	Added 1 year weighted average maturity to the life of the loan
Financing receivable, modified, weighted-average term increase from modification	1 year	1 year

Financing receivable modified payment description

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- Definition

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

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

+ References

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-Topic 310
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- Definition

Percentage, after modification, of weighted-average interest rate of financing receivable for debtor experiencing financial difficulty.

+ References

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- Definition

Percentage, before modification, of weighted-average interest rate of financing receivable for debtor experiencing financial difficulty.

+ References

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

+ References

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