Condensed Consolidated Statements of Equity (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Adoption of new accounting standard, tax			$ 237	$ 2,869
Additional Paid-in Capital
Income tax on stock option exercise and other shares issued to employees and directors	$ 0	$ 0	$ 0	$ 0
Stock option exercises and other shares issued to employees and directors, shares			764	120
Retained Earnings
Dividends declared, per common share (in dollars per share)	$ 0.17	$ 0.165	$ 0.34	$ 0.33

Total number of common shares of the Company that have been issued to shareholders during the period.

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

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Amount of the related income tax effect of a cumulative effect on retained earnings.

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- Definition

The tax effects of employee stock option transactions that are recognized differently for financial reporting and tax purposes, occurring during the period and charged or credited directly to shareholders' equity.

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