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Note 18 - Fair Value Measurements and Fair Value of Financial Instruments - Schedule of Major Category of Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Recurring [Member]
Assets measured at fair value	$ 319,007	$ 256,848
Fair Value, Recurring [Member] | Forward Mortgage Loan Sale Contracts [Member]
Assets measured at fair value	14	18
Fair Value, Recurring [Member] | Interest Rate Lock Contracts [Member]
Assets measured at fair value	32
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Assets measured at fair value	8,161	4,495
Fair Value, Recurring [Member] | Small Business Administration Agency Securities [Member]
Assets measured at fair value	13,217	2,411
Fair Value, Recurring [Member] | Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member]
Assets measured at fair value	34,652	42,928
Fair Value, Recurring [Member] | Collateralized Mortgage Obligations [Member]
Assets measured at fair value	149,626	111,593
Fair Value, Recurring [Member] | Commercial Paper [Member]
Assets measured at fair value	73,105	49,537
Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Assets measured at fair value	30,691	37,012
Fair Value, Recurring [Member] | Municipal Securities [Member]
Assets measured at fair value	9,509	8,854
Fair Value, Nonrecurring [Member]
Assets measured at fair value	11,357
Fair Value, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member]
Assets measured at fair value	10,209
Fair Value, Nonrecurring [Member] | SBA Loans [Member]
Assets measured at fair value	1,148
Fair Value, Nonrecurring [Member] | Other Real Estate Owned [Member]
Assets measured at fair value		577
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] | Forward Mortgage Loan Sale Contracts [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
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 Securities, Issued by US Government Sponsored Enterprises [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
Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Assets measured at fair value	0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member]
Assets measured at fair value	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] | Other Real Estate Owned [Member]
Assets measured at fair value		0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member]
Assets measured at fair value	318,961	256,830
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Forward Mortgage Loan Sale Contracts [Member]
Assets measured at fair value	0	0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Interest Rate Lock Contracts [Member]
Assets measured at fair value
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Assets measured at fair value	8,161	4,495
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Small Business Administration Agency Securities [Member]
Assets measured at fair value	13,217	2,411
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member]
Assets measured at fair value	34,652	42,928
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Collateralized Mortgage Obligations [Member]
Assets measured at fair value	149,626	111,593
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Commercial Paper [Member]
Assets measured at fair value	73,105	49,537
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities [Member]
Assets measured at fair value	30,691	37,012
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member] | Municipal Securities [Member]
Assets measured at fair value	9,509	8,854
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Assets measured at fair value	0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member]
Assets measured at fair value	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] | Other Real Estate Owned [Member]
Assets measured at fair value		0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member]
Assets measured at fair value	46	18
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Forward Mortgage Loan Sale Contracts [Member]
Assets measured at fair value	14	18
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Interest Rate Lock Contracts [Member]
Assets measured at fair value	32
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 Securities, Issued by US Government Sponsored Enterprises [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
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Assets measured at fair value	11,357
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member] | Commercial Real Estate Portfolio Segment [Member]
Assets measured at fair value	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] | Other Real Estate Owned [Member]
Assets measured at fair value		$ 577

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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