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Supplemental Executive Retirement Plan (Details Narrative) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Feb. 28, 2018 | Dec. 31, 2018 USD ($) Number | Dec. 31, 2017 USD ($) | Dec. 31, 2013 USD ($)
Share-based compensation arrangement by share-based payment award, award vesting period | 2 years |  |  |
Defined benefit plan, net periodic benefit cost |  | $ 686 | $ 410 |
Supplemental Executive Retirement and Death Benefit Agreements [Member] |  |  |  |
Time period for calculating base salary under SERP agreements |  | 5 years |  |
Retirement age | Number |  | 67 |  |
Share-based compensation arrangement by share-based payment award, award vesting period |  | 6 years |  |
Retirement plan monthly instalments | Number |  | 180 |  |
Purchased Fixed Annuity for Financing Retirement Benefits [Member] | Supplemental Executive Retirement and Death Benefit Agreements [Member] |  |  |  |
Other investments |  |  |  | $ 11,400
Annuity contracts accrued income |  | $ 81 | $ 47 |
Purchased Fixed Annuity for Financing Retirement Benefits [Member] | Supplemental Executive Retirement and Death Benefit Agreements [Member] | Other Assets [Member] |  |  |  |
Cash surrender value of life insurance |  | $ 12,400 |  |

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