Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary of Changes In Estimated Fair Value of Level 3 Financial Assets (Details)

v3.19.1
Fair Value Measurements - Summary of Changes In Estimated Fair Value of Level 3 Financial Assets (Details) - Level 3
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]  
Balance at December 31, 2018 $ 392
Change in fair value 715
Balance at March 31, 2019 $ 1,107