Annual report pursuant to Section 13 and 15(d)

Income Taxes - Tax Cuts and Jobs Act - (Details)

v3.8.0.1
Income Taxes - Tax Cuts and Jobs Act - (Details)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Federal Statutory Tax Rate        
U.S. federal corporate tax rate   34.00% 34.00% 34.00%
Forecast        
Federal Statutory Tax Rate        
U.S. federal corporate tax rate 21.00%      
Maximum        
Federal Statutory Tax Rate        
U.S. federal corporate tax rate   35.00%