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Equity - Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Stock Based Compensation Plans    
Options outstanding (in shares) 15,000  
Options exercisable (in shares) 15,000  
Stock options granted (in shares) 0 0
2015 Plan    
Stock Based Compensation Plans    
Total shares reserved for issuance of common stock related to the conversion of preferred stock 1,400,000  
Stock options    
Stock Based Compensation Plans    
Options Exercised (in shares)   5,000
Weighted Average Exercise Price (in dollars per share)   $ 24.65
Options Value   $ 123,000
Market Value   $ 233,000