CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net earnings	$ 4,634	$ 3,976	$ 8,993	$ 7,492
Unrealized (losses) gains on securities
Unrealized holding (losses) gains arising during the period	(649)	1,457	(4,512)	2,686
Amortization of net unrealized gains on held to maturity securities	4	17	22	35
Reclassification adjustment for net losses (gains) included in net earnings	51	(25)	51	(25)
Tax effect	127	(501)	937	(931)
Unrealized (losses) gains on securities, net of tax	(467)	948	(3,502)	1,765
Unrealized holding gains (losses) arising during the period on interest rate swaps	60	(41)	196	(6)
Total other comprehensive (loss) income	(407)	907	(3,306)	1,759
Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income	0	0	(486)	0
Comprehensive income	$ 4,227	$ 4,883	$ 5,201	$ 9,251

Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Tax

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Other Comprehensive Income (Loss), Available-for-sale and Held-to-maturity Securities Adjustment, Portion Attributable to Parent [Abstract]

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Other Comprehensive Income (Loss), Available-for-sale and Held-to-maturity Securities, Tax, Portion Attributable to Parent

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to parent entity. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to parent entity.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized loss realized upon the write-down of available-for-sale securities.

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Amount before tax and reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.

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