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Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Equity [Abstract]        
Preferred stock dividend rate     10.00%  
Preferred stock liquidation preference (in usd per share) $ 1,000   $ 1,000  
Period after which the company may redeem preferred stock     5 years  
Preferred stock, redemption price per share (in usd per share) $ 1,000   $ 1,000  
Period after which the holder may redeem preferred stock     6 years  
Preferred dividends declared $ 25 $ 25 $ 75 $ 75