Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement - Changes in Contingent Liabilities (Details)

v3.20.2
Fair Value Measurement - Changes in Contingent Liabilities (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Contingent consideration liabilities balance at December 31, 2019 and 2018 $ 678 $ 600
Changes in the fair value of contingent consideration obligation 0 25
Contingent consideration liabilities balance at June 30, 2020 and 2019 $ 678 $ 625