Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017
Cash dividends declared, per share (in dollars per share)	$ 0.08	$ 0.06
Retained Earnings [Member]
Cash dividends declared, per share (in dollars per share)		$ 0.06
AOCI Attributable to Parent [Member]
Other comprehensive income (loss), tax	$ 1,430	$ 1,424

Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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