XML 32 R18.htm IDEA: XBRL DOCUMENT v3.22.0.1
Summary of Significant Accounting Policies - Schedule of Dividends Distributions Per Share and in Total (Detail)
12 Months Ended
Dec. 31, 2020
USD ($)
$ / shares
Dividends [Abstract]  
Distributions per Share | $ / shares $ 0.02
Distributions paid | $ $ 25,880