Note 17 - Fair Value Measurements and Fair Value of Financial Instruments - Schedule of Major Category of Assets and Liabilities (Details) - USD ($) $ in Thousands		Sep. 30, 2024		Dec. 31, 2023
Assets measured at fair value		$ 25,768
Fair Value, Recurring [Member]
Assets measured at fair value		328,860		$ 342,399
Fair Value, Recurring [Member] | Interest Rate Lock Contracts [Member]
Assets measured at fair value	[1]	23		32
Fair Value, Recurring [Member] | Forward Mortgage Loan Sale Contracts [Member]
Assets measured at fair value	[1]	10		14
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Assets measured at fair value		6,459		8,161
Fair Value, Recurring [Member] | Small Business Administration Agency Securities [Member]
Assets measured at fair value		26,930		13,217
Fair Value, Recurring [Member] | Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]
Assets measured at fair value		36,444		34,652
Fair Value, Recurring [Member] | Collateralized Mortgage Obligations [Member]
Assets measured at fair value		170,110		149,626
Fair Value, Recurring [Member] | Commercial Paper [Member]
Assets measured at fair value		24,513		73,105
Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Assets measured at fair value		31,732		30,691
Fair Value, Recurring [Member] | Municipal Securities [Member]
Assets measured at fair value		9,478		9,509
Fair Value, Recurring [Member] | Equity Securities [Member]
Assets measured at fair value	[1]	23,161		23,392
Fair Value, Nonrecurring [Member]
Assets measured at fair value		25,768		11,357
Fair Value, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member]
Assets measured at fair value		16,772	[2]	10,209
Fair Value, Nonrecurring [Member] | SBA Loans [Member]
Assets measured at fair value				1,148
Fair Value, Nonrecurring [Member] | Construction And Land Development Loans [Member]
Assets measured at fair value		8,996
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Interest Rate Lock Contracts [Member]
Assets measured at fair value	[1]	0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Forward Mortgage Loan Sale Contracts [Member]
Assets measured at fair value	[1]	0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Small Business Administration Agency Securities [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Obligations [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Commercial Paper [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Municipal Securities [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member] | Equity Securities [Member]
Assets measured at fair value	[1]	0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member]
Assets measured at fair value		0	[2]	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member] | SBA Loans [Member]
Assets measured at fair value				0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member] | Construction And Land Development Loans [Member]
Assets measured at fair value		0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member]
Assets measured at fair value		305,666		318,961
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Interest Rate Lock Contracts [Member]
Assets measured at fair value	[1]	0		0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Forward Mortgage Loan Sale Contracts [Member]
Assets measured at fair value	[1]	0		0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Assets measured at fair value		6,459		8,161
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Small Business Administration Agency Securities [Member]
Assets measured at fair value		26,930		13,217
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]
Assets measured at fair value		36,444		34,652
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Obligations [Member]
Assets measured at fair value		170,110		149,626
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Commercial Paper [Member]
Assets measured at fair value		24,513		73,105
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Assets measured at fair value		31,732		30,691
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Municipal Securities [Member]
Assets measured at fair value		9,478		9,509
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Equity Securities [Member]
Assets measured at fair value	[1]	0		0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member]
Assets measured at fair value		0	[2]	0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member] | SBA Loans [Member]
Assets measured at fair value				0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member] | Construction And Land Development Loans [Member]
Assets measured at fair value		0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member]
Assets measured at fair value		23,194		23,438
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Interest Rate Lock Contracts [Member]
Assets measured at fair value	[1]	23		32
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Forward Mortgage Loan Sale Contracts [Member]
Assets measured at fair value	[1]	10		14
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Small Business Administration Agency Securities [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Obligations [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Commercial Paper [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Municipal Securities [Member]
Assets measured at fair value		0		0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Equity Securities [Member]
Assets measured at fair value	[1]	23,161		23,392
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets measured at fair value		25,768		11,357
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member]
Assets measured at fair value		16,772	[2]	10,209
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | SBA Loans [Member]
Assets measured at fair value				$ 1,148
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | Construction And Land Development Loans [Member]
Assets measured at fair value		$ 8,996

[1] Included in “Accrued interest and other assets” on the consolidated balance sheets.

[2] Collateral includes CRE and an SFR. Adjustment range was (41%) to 28% for CRE and (20%) to 20% for the SFR.