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Income Taxes - Reconciliation of Income Tax Rates (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]    
U.S. statutory federal rate 21.00% 21.00%
State and local rate, net of federal tax 7.40% 14.16%
Stock compensation (7.01%) 18.25%
Excess compensation deduction (5.08%) 8.38%
Foreign tax credits 0.45% (1.03%)
Federal true-ups   0.41%
Life insurance (0.81%) 1.28%
Other permanent differences (0.16%) 0.25%
Income tax (benefit) provision 15.79% 62.70%