The amount of interest on loans receivable.

No definition available.

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- Definition

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

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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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Note 4 - Loans and Allowance for Credit Losses (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Mar. 31, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Loans Receivable, Interest	$ 14,100,000		$ 14,100,000		$ 14,300,000
Financing Receivable, Nonaccrual, Interest Income			0	$ 0
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount	664,000	$ 0	1,320,000	8,449,000
Financing Receivable, Modified, Commitment to Lend	0		0		0
Small Business Administration Loans [Member]
Financing Receivable, Excluding Accrued Interest, Modified in Period, Amount			656,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] \| Small Business Administration Loans [Member]
Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default			133,000
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] \| Construction And Land Development Loans [Member]
Financing Receivable, Excluding Accrued Interest, Modified, Subsequent Default				$ 35,500,000
Single Family Residential Mortgages Loans [Member]
Mortgage Loans in Process of Foreclosure, Amount	153,000		153,000		680,000
Federal Home Loan Bank Secured Line of Credit [Member] \| Asset Pledged as Collateral [Member]
Financing Receivable, before Allowance for Credit Loss	2,000,000,000		2,000,000,000		1,900,000,000
Federal Home Loan Bank of San Francisco [Member] \| Asset Pledged as Collateral [Member]
Financing Receivable, before Allowance for Credit Loss	1,500,000,000		1,500,000,000		1,400,000,000
Federal Reserve Bank of San Francisco Secured Line of Credit [Member] \| Asset Pledged as Collateral [Member]
Financing Receivable, before Allowance for Credit Loss	$ 88,600,000		$ 88,600,000		$ 88,900,000