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Supplemental Executive Retirement Plan (Details Narrative) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019 USD ($) Age Installment	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) Age Installment	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2013 USD ($)
Annual benefit plan fees	$ 110
Defined benefit plan, net periodic benefit cost	$ (65)	$ 385	$ 202	$ 486
Supplemental Executive Retirement and Death Benefit Agreements [Member]
Time period for calculating base salary under SERP agreements			5 years
Retirement age | Age	67		67
Share-based compensation arrangement by share-based payment award, award vesting period			6 years
Retirement plan monthly installments | Installment	180		180
Purchased Fixed Annuity for Financing Retirement Benefits [Member] | Supplemental Executive Retirement and Death Benefit Agreements [Member]
Annual benefit plan fees	$ 141		$ 150	$ 119
Other investments						$ 11,400
Annuity contracts accrued income	40	$ 65	81
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	$ 12,100		$ 12,100		$ 12,400

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