Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical)

v3.20.4
CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares
1 Months Ended 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Statement of Stockholders' Equity [Abstract]            
Accounting Standards Update [Extensible List]         us-gaap:AccountingStandardsUpdate201613Member  
Dividends declared per share of common stock (in dollars per share) $ 0.20 $ 0.50 $ 0.50 $ 0.50 $ 2.00 $ 2.00