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Consolidated Statements of Changes in Shareholders’ Equity (Unaudited) (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Statement of Stockholders' Equity [Abstract]
Cash dividends per share (in usd per share)	$ 0.38	$ 0.30
Stock-based compensation plans, issuance of stock (in shares)	45,302	5,418
Issuance of stock, common stock forfeited (in shares)	0	0
Compensation expense, issuance of stock	$ 1,112	$ 1,048
Issuance of treasury stock (in shares)	0	56,885
Treasury Stock, Shares, Acquired	6,714	0

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Amount of increase to additional paid-in capital (APIC) resulting from recognition of equity-based compensation for restricted stock units.

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Aggregate dividends paid during the period for each share of common stock outstanding.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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