Annual report pursuant to Section 13 and 15(d)

Income Taxes - Tax Rate (Details)

v3.19.2
Income Taxes - Tax Rate (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2018
Dec. 31, 2017
Mar. 31, 2019
Income Taxes      
U.S. federal corporate tax rate 21.00% 34.00% 21.00%