Consolidated Statements of Changes in Shareholders' Equity - Unaudited (Parentheticals) $ in Thousands	9 Months Ended
Sep. 30, 2018 USD ($) $ / shares
Dividends paid or accrued per share (in dollars per share)	$ 0.69
Retained Earnings
Dividends paid or accrued per share (in dollars per share)	$ 0.69
Accumulated Other Comprehensive Loss
Other comprehensive loss, tax expense \| $	$ 2,389

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
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