Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.19.3
Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Mar. 31, 2019
Cumulative effect of new accounting principle in period of adoption         $ 10,327
Revenues $ 12,277 $ 7,836 $ 31,431 $ 19,333  
Balances without the Adoption of Topic 606          
Revenues 12,700   31,800    
Accounting Standards Update 2014-09          
Cumulative effect of new accounting principle in period of adoption $ 10,300   10,300    
Revenues     $ 31,775