Share-based Compensation Schedule of Share Based Payments Award Valuation Assumptions (Tables)

3 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The grant date fair values of options granted under the 2018 Plan were determined using the Black-Scholes valuation approach with the following assumptions:

	For the Three Months Ended March 31, 2020
Risk-free interest rate	0.51% - 1.40%
Expected exercise term (years)	6.0
Expected dividend yield	2.2% - 2.7%
Expected volatility	45% - 46%