Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
AOCI Attributable to Parent [Member]
Other comprehensive income (loss), tax	$ 112	$ (517)	$ 2,111	$ (1,141)
Retained Earnings [Member]
Cash dividend, per share (in dollars per share)			$ 0.67	$ 0.58
Common stock repurchased, shares (in shares)	16,000		468,400
Cash dividend, per share (in dollars per share)			$ 0.67	$ 0.58

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Balance Type:	na
Period Type:	duration