Quarterly report pursuant to Section 13 or 15(d)

Restricted Cash - Summary (Details)

v3.20.1
Restricted Cash - Summary (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Dec. 31, 2018
Restricted Cash        
Restricted cash, long-term $ 3,086 $ 3,086 $ 3,376 $ 290
Restricted cash   3,400    
Restricted cash, current portion   $ 290 $ 638 $ 638
Operating Lease, January 2019        
Restricted Cash        
Letter of credit outstanding $ 3,100      
Letter of credit expiration period 95 days      
Operating Lease, October 2023        
Restricted Cash        
Expected letter of credit amount $ 2,100      
Operating Lease, March 2015        
Restricted Cash        
Repayment of letter of credit $ 300