Annual report pursuant to Section 13 and 15(d)

Recent Transactions - Equity Transactions - Additional Information (Detail)

v3.20.4
Recent Transactions - Equity Transactions - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Payments of equity distributions, common stock $ 700 $ 667 $ 5,827
Dividend Paid [Member]      
Amount Per Share $ 0.025