Quarterly report pursuant to Section 13 or 15(d)

Accounting Standards (Details)

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Accounting Standards (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Oct. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Operating lease right-of-use assets $ 8,532  
Current portion of operating lease liabilities 2,930  
Operating lease liabilities, net of current portion $ 5,818  
Accounting Standards Update 2016-02    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Decrease in retained earnings   $ (222)
Operating lease right-of-use assets   9,100
Current portion of operating lease liabilities   2,900
Operating lease liabilities, net of current portion   6,400
Accounting Standards Update 2016-02 | Retained Earnings    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Decrease in retained earnings   $ (222)