The amount of interest on loans receivable.

No definition available.

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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

Amortized cost excluding accrued interest, of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

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- Definition

Amount of interest income on financing receivable on nonaccrual status.

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- Definition

Amount of commitment to lend additional funds to debtor experiencing financial difficulty for which creditor has modified terms of financing receivable.

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- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

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- Definition

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Narrative (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest receivable on loans		$ 14,600,000		$ 14,300,000
Nonaccrual, interest income		0	$ 0
Financing receivable, modified, commitment to lend		0		0
90 Days or More \| SBA
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans modified to borrowers experiencing financial difficulty		127,000
90 Days or More \| Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans modified to borrowers experiencing financial difficulty	$ 28,200,000		$ 28,200,000
Single-family residential mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans in the process of foreclosure		153,000		680,000
FHLB, Secure Advances \| Asset Pledged as Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss		2,100,000,000		1,900,000,000
FHLB, San Francisco \| Asset Pledged as Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss		1,600,000,000		1,400,000,000
Federal Reserve Bank of San Francisco Secured Line of Credit \| Asset Pledged as Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss		$ 86,000,000.0		$ 88,900,000