Per Share Information	6 Months Ended
Jun. 30, 2020
Earnings Per Share [Abstract]
Earnings Per Share [Text Block]	Per Share InformationEarnings per common share are computed based on the weighted average number of shares of common stock outstanding during the period and reduced for shares held in treasury. The assumed exercise of outstanding exercisable stock options and vesting of RSUs does not result in material dilution and is not included in the calculation.

The entire disclosure for earnings per share.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-URI http://asc.fasb.org/topic&trid=2144383

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