Consolidated Statements of Changes in Shareholders' Equity (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Retained Earnings
Dividends paid or accrued (in dollars per share)	$ 0.94	$ 0.86	$ 0.82
Accumulated Other Comprehensive Loss
Other comprehensive income (loss), tax	$ 823	$ 659	$ 1,074

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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