Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Accounting Policies [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The Company calculated the fair value for options with the following weighted-average assumptions for 2018, 2017, and 2016:

Fair Value Calculation Assumptions for Stock Compensation
	December 31,
	2018		2017		2016
Risk-free interest rate	2.94	%	2.23	%	1.54	%
Dividend yield	0.5	%	0.5	%	0.6	%
Volatility factors	34.5	%	37.6	%	48.5	%
Weighted-average expected life	8.0 years		8.0 years		8.0 years