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Note 7 - Loans Receivable and Credit Disclosures - Composition of Loans Receivable (Details) - USD ($)
$ in Thousands

Sep. 30, 2021

Jun. 30, 2021

Dec. 31, 2020

Sep. 30, 2020

Jun. 30, 2020

Dec. 31, 2019

Loans receivable

$ 1,143,305

$ 1,147,577

Allowance for loan losses

(16,830)

$ (16,893)

(17,215)

$ (15,932)

$ (16,005)

$ (12,619)

Deferred loan (fees) and costs, net

^[1]

(416)

(857)

Loans receivable, net

1,126,059

1,129,505

Construction Real Estate [Member]

Loans receivable

37,476

45,497

Allowance for loan losses

(582)

(738)

(725)

(744)

(849)

(672)

Family Residential Real Estate 1-4 [Member]

Loans receivable

231,468

213,562

Allowance for loan losses

(2,659)

(2,603)

(2,581)

(2,586)

(2,505)

(2,122)

Commercial Real Estate Portfolio Segment [Member]

Loans receivable

519,112

496,357

Allowance for loan losses

(8,923)

(8,889)

(8,930)

(7,448)

(6,864)

(5,362)

Agriculture Real Estate [Member]

Loans receivable

153,247

151,992

Allowance for loan losses

(1,578)

(1,614)

(1,595)

(1,698)

(1,713)

(1,326)

Commercial Portfolio Segment [Member]

Loans receivable

^[2]

85,569

122,535

Allowance for loan losses

(1,205)

(1,140)

(1,453)

(1,416)

(1,994)

(1,458)

Agriculture [Member]

Loans receivable

101,087

102,586

Allowance for loan losses

(1,659)

(1,675)

(1,696)

(1,768)

(1,830)

(1,478)

Consumer and Other [Member]

Loans receivable

15,346

15,048

Allowance for loan losses

$ (224)

$ (234)

$ (235)

$ (272)

$ (250)

$ (201)

[1]	Deferred loan (fees) and costs, net includes $0.7 million and $0.9 million of fees, net of costs, related to the PPP loans as of September 30, 2021 and December 31, 2020, respectively.
[2]	Commercial loan portfolio includes $14.8 million and $50.9 million of Paycheck Protection Program ("PPP") loans as of September 30, 2021 and December 31, 2020, respectively.

X

- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 6.L.1)
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-Name Accounting Standards Codification
-Topic 310
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-Section 50
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Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
-Section 50
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
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-URI http://asc.fasb.org/extlink&oid=84159169&loc=d3e10152-111534

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X

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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X

- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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-Subparagraph (SX 210.9-03.7)
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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