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Leases (Tables)
9 Months Ended
Sep. 30, 2019
Leases  
Schedule of maturities of operating lease liabilities

The maturities of operating lease liabilities discussed above are as follows (in thousands):

​

​

​

​

2019 (three months remaining)

    

$

1,360

2020

​

 

5,485

2021

​

 

5,323

2022

​

 

5,389

2023

​

 

5,510

Thereafter

​

 

12,336

Total lease payments

​

​

35,403

Less imputed interest

​

​

(9,952)

Total lease liabilities

​

$

25,451