Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Statements of Comprehensive Income (Loss) [Abstract]
Net income	$ 5,214	$ 3,112
Unrealized gain (loss) on securities available for sale:
Unrealized holding gain (loss) arising during the period, pretax	(918)	238
Tax (expense) benefit	192	(81)
Other comprehensive income (loss)	(726)	157
Comprehensive income	$ 4,488	$ 3,269

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 of other comprehensive income (loss) attributable to parent entity.

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

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

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