Note N - Employee Benefits (Details Textual) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Defined Contribution Plan, Cost	$ 352	$ 340	$ 290
Employee Stock Ownership Plan (ESOP), Shares in ESOP, Total	360,669	361,584
Cash Surrender Value of Life Insurance	$ 27,312
Deferred Compensation Plan Assets	2,080
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months	7,267	$ 6,740
Defined Benefit Plan, Benefit Obligation, Ending Balance	2,873	2,776
Proceeds from Life Insurance Policy		2,107
Insurance Settlements Receivable		1,993
Life Insurance, Corporate or Bank Owned, Change in Value		3,586
Gain on Bank Owned Life Insurance Policies		514
Other Assets [Member]
Insurance Settlements Receivable		1,993
Supplemental Retirement Plans [Member]
Defined Contribution Plan, Cost	$ 602	$ 490	$ 399

The gain recognized due to the settlement of bank owned life insurance policies.

No definition available.

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- Definition

Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 4
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- Definition

Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 1
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- Definition

Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

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- Definition

Amount of cost for defined contribution plan.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
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- Definition

Sum of the allocated, committed-to-be-released and suspense shares of the entity held by the plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 40
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- Definition

Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.

+ References

No definition available.

+ Details

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- Definition

The change in cash surrender or contract value during the period which adjusted the amount of premiums paid in determining the expense or income recognized under the contract for the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 30
-Section 35
-Paragraph 2
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- Definition

Amount of cash inflow for proceeds from settlement of corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy.

+ References

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