Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (Parenthetical)

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (Parenthetical) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Preferred Stock [Member]    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Expenses from sale of stock $ 0 $ 711
Common Stock [Member]    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Expenses from sale of stock $ 8,940 $ 2,644