Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurement - Summary of Changes in Fair Value of Company's Level 3 Financial Liabilities (Details)

v3.20.1
Fair Value Measurement - Summary of Changes in Fair Value of Company's Level 3 Financial Liabilities (Details) - Level 3 - Trade-In Guarantee
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]  
Beginning Balance $ 268
Recognition of revenue $ (268)