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Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2019
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 2019, 2018, and 2017:
Fair Value Calculation Assumptions for Stock Compensation
 December 31,
 201920182017
Risk-free interest rate2.43 %2.94 %2.23 %
Dividend yield0.5 %0.5 %0.5 %
Volatility factors31.2 %34.5 %37.6 %
Weighted-average expected life8.0 years8.0 years8.0 years