XML 40 R30.htm IDEA: XBRL DOCUMENT v3.20.2
Income Taxes - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Jan. 01, 2018
Dec. 31, 2017
Dec. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
IncomeTaxes [Line Items]          
U.S. corporate income tax rate 21.00% 35.00%      
Adjustments to deferred income taxes       $ 2,066,000 $ 25,000
Increase decrease in accounts payable and accrued expenses     $ 1,900,000    
Internal Revenue Service (IRS) [Member]          
IncomeTaxes [Line Items]          
Adjustments to deferred income taxes       $ 2,100,000