Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Additional Information (Details)

v3.19.2
Subsequent Events - Additional Information (Details) - USD ($)
$ in Thousands
1 Months Ended 6 Months Ended
Aug. 13, 2019
Jun. 30, 2019
Jun. 30, 2018
Subsequent Event [Line Items]      
Principal amount repaid on borrowings   $ 5,878 $ 44,702
Subordinated Term Loan and Security Agreement | Subsequent Event      
Subsequent Event [Line Items]      
Principal amount repaid on borrowings $ 3,250    
Percentage of principal amount repaid 25.00%