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Note 3 - Loans and Allowance for Credit Losses - Loans by Credit Quality Indicators (Details) - USD ($)

Dec. 31, 2022

Dec. 31, 2021

Loans

$ 3,916,619,000

$ 3,453,459,000

Commercial Portfolio Segment [Member]

Loans

3,131,830,000

2,950,424,000

Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]

Loans

^[1]

1,185,083,000

1,137,419,000

Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]

Loans

61,873,000

43,239,000

Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]

Loans

639,192,000

565,758,000

Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]

Loans

1,033,734,000

1,027,415,000

Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]

Loans

211,948,000

176,593,000

Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]

Loans

^[2]

719,583,000

729,224,000

Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]

Loans

41,711,000

28,390,000

Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]

Loans

406,341,000

346,082,000

Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]

Loans

447,606,000

503,482,000

Grades 1-4 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]

Loans

118,385,000

119,473,000

Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]

Loans

450,405,000

398,378,000

Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]

Loans

20,057,000

14,730,000

Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]

Loans

229,766,000

208,060,000

Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]

Loans

573,728,000

511,280,000

Grades 5-7 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]

Loans

93,514,000

56,968,000

Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]

Loans

15,095,000

9,817,000

Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]

Loans

105,000

119,000

Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]

Loans

3,085,000

11,616,000

Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]

Loans

12,400,000

12,653,000

Grades 8-9 [Member] | Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]

Loans

$ 49,000

$ 152,000

[1]	For December 31, 2022, and December 31, 2021, includes $0.9 million and $40.1 million in loans originated under the Paycheck Protection Program, respectively.
[2]	Included in Commercial and Industrial Loans Grades 1 – 4 are $40.1 million of loans originated under the Paycheck Protection Program.

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7A
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953401-111524

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 79
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 14
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 55
-Paragraph 80
-URI https://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (1)

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (2)

Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1404
-Paragraph (a)

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