Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Equity (Parenthetical)

v3.20.4
Consolidated Statements of Equity (Parenthetical) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Statement of Stockholders' Equity [Abstract]      
Increase (decrease) in preferred dividends $ (52,896) $ 245 $ (10,554)